<?php
/**
 * Production Setup Script
 * Run once on a fresh server via CLI:  php setup.php
 *
 * What it does:
 *   1. Reads DB credentials from app/config.php
 *   2. Creates wms + wms2 databases if they don't exist
 *   3. Creates all tables (CREATE TABLE IF NOT EXISTS — safe to re-run)
 *   4. Prints a status report
 *
 * Dynamic td_stock_<warehouse_id> tables are created automatically by the app
 * the first time a warehouse is used; they are NOT listed here.
 */

if (PHP_SAPI !== 'cli') {
    http_response_code(403);
    exit('Run via CLI only: php setup.php');
}

// ── Load config ───────────────────────────────────────────────────────────────
$config = __DIR__ . '/app/config.php';
if (!file_exists($config)) {
    exit("ERROR: app/config.php not found. Configure it before running setup.\n");
}
require $config;

$host  = $db_server   ?? 'localhost';
$user  = $db_user     ?? 'root';
$pass  = $db_pass     ?? '';
$db1   = $db_database  ?? 'wms';
$db2   = $db_database2 ?? 'wms2';

// ── Helpers ───────────────────────────────────────────────────────────────────
$ok_count   = 0;
$skip_count = 0;
$err_count  = 0;

function info(string $msg): void  { echo "\033[36m  •\033[0m {$msg}\n"; }
function ok(string $msg): void    { global $ok_count;   $ok_count++;   echo "\033[32m  ✓\033[0m {$msg}\n"; }
function skip(string $msg): void  { global $skip_count; $skip_count++; echo "\033[33m  –\033[0m {$msg}\n"; }
function fail(string $msg): void  { global $err_count;  $err_count++;  echo "\033[31m  ✗\033[0m {$msg}\n"; }

function run(PDO $pdo, string $sql, string $label): void {
    try {
        $pdo->exec($sql);
        ok($label);
    } catch (PDOException $e) {
        if (str_contains($e->getMessage(), 'already exists') ||
            str_contains($e->getMessage(), 'Duplicate column name')) {
            skip($label . ' (already exists)');
        } else {
            fail($label . ': ' . $e->getMessage());
        }
    }
}

// ── Connect (no DB selected) ──────────────────────────────────────────────────
echo "\n\033[1m=== brnwms Production Setup ===\033[0m\n\n";
echo "Host : {$host}\n";
echo "DB1  : {$db1}  (auth / identity)\n";
echo "DB2  : {$db2}  (business data)\n\n";

try {
    $pdo = new PDO("mysql:host={$host};charset=utf8", $user, $pass);
    $pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
    ok("Connected to MySQL as {$user}@{$host}");
} catch (PDOException $e) {
    fail("Cannot connect: " . $e->getMessage());
    exit(1);
}

// ── Create databases ──────────────────────────────────────────────────────────
echo "\n--- Databases ---\n";
run($pdo, "CREATE DATABASE IF NOT EXISTS `{$db1}` CHARACTER SET utf8mb3 COLLATE utf8mb3_general_ci", "Database `{$db1}`");
run($pdo, "CREATE DATABASE IF NOT EXISTS `{$db2}` CHARACTER SET utf8mb3 COLLATE utf8mb3_general_ci", "Database `{$db2}`");

// ─────────────────────────────────────────────────────────────────────────────
// WMS (auth / identity) tables
// ─────────────────────────────────────────────────────────────────────────────
echo "\n--- {$db1} tables ---\n";
$pdo->exec("USE `{$db1}`");

run($pdo, "
CREATE TABLE IF NOT EXISTS `user` (
  `user_id`          int(10) unsigned NOT NULL AUTO_INCREMENT,
  `username`         varchar(255) NOT NULL,
  `password`         varchar(255) NOT NULL,
  `email`            varchar(255) NOT NULL,
  `status`           varchar(40)  NOT NULL DEFAULT 'not activated',
  `name`             tinytext     NOT NULL,
  `surname`          tinytext     NOT NULL,
  `address`          tinytext     DEFAULT NULL,
  `country`          varchar(50)  NOT NULL DEFAULT '',
  `profile_picture`  tinytext     NOT NULL,
  `default_company`  int(11)      DEFAULT 0,
  `language`         varchar(3)   NOT NULL DEFAULT 'th',
  `regis_date`       timestamp    NOT NULL DEFAULT current_timestamp(),
  `license`          enum('owner','user') NOT NULL DEFAULT 'owner',
  `app_access`       enum('all','wms','accounting') NOT NULL DEFAULT 'all',
  `active`           varchar(255) NOT NULL DEFAULT 'yes',
  `phone`            varchar(50)  NOT NULL DEFAULT '',
  `verify_token`     varchar(64)  DEFAULT NULL,
  `verify_expires_at` datetime    DEFAULT NULL,
  `login_attempts`   int(11)      NOT NULL DEFAULT 0,
  `locked_until`     datetime     DEFAULT NULL,
  `session_token`     varchar(64)  DEFAULT NULL,
  `session_token_at`  datetime     DEFAULT NULL,
  `session_last_seen` datetime     DEFAULT NULL,
  PRIMARY KEY (`user_id`),
  UNIQUE KEY `username` (`username`),
  UNIQUE KEY `email` (`email`),
  KEY `idx_user_verify_token` (`verify_token`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb3;
", 'user');

run($pdo, "
CREATE TABLE IF NOT EXISTS `company_list` (
  `company_id`    int(11)      NOT NULL AUTO_INCREMENT,
  `channel_name`  varchar(100) NOT NULL DEFAULT '' COMMENT 'Unique slug used for login routing',
  `company_name`  varchar(255) NOT NULL DEFAULT '',
  `company_name2` varchar(255) NOT NULL DEFAULT '' COMMENT 'Secondary / English name',
  `company_logo`  varchar(255) NOT NULL DEFAULT '',
  `company_seal`  varchar(255) NOT NULL DEFAULT '',
  `branch`        varchar(255) NOT NULL DEFAULT 'สำนักงานใหญ่',
  `branch_no`     varchar(50)  NOT NULL DEFAULT '',
  `fiscal_year`   varchar(10)  NOT NULL DEFAULT '',
  `fx`            varchar(10)  NOT NULL DEFAULT 'thb',
  `address`       text         NOT NULL DEFAULT '',
  `address2`      text         NOT NULL DEFAULT '',
  `tax_id`        varchar(50)  NOT NULL DEFAULT '',
  `prompt_pay`    varchar(50)  NOT NULL DEFAULT '',
  `entrepreneur`  varchar(100) NOT NULL DEFAULT '',
  `email`         varchar(255) NOT NULL DEFAULT '',
  `phone`         varchar(50)  NOT NULL DEFAULT '',
  `fax`           varchar(50)  NOT NULL DEFAULT '',
  `website`       varchar(255) NOT NULL DEFAULT '',
  `facebook_page` varchar(255) NOT NULL DEFAULT '',
  `package`       varchar(50)  NOT NULL DEFAULT 'starter',
  PRIMARY KEY (`company_id`),
  UNIQUE KEY `channel_name` (`channel_name`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb3;
", 'company_list');

run($pdo, "
CREATE TABLE IF NOT EXISTS `company_map_user` (
  `map_id`       int(10) unsigned NOT NULL AUTO_INCREMENT,
  `company_id`   int(11)      DEFAULT NULL,
  `user_id`      int(11)      DEFAULT NULL,
  `role`         varchar(15)  NOT NULL DEFAULT 'user',
  `app_access`   varchar(15)  NOT NULL DEFAULT 'wms',
  `invite_token`      varchar(64)  DEFAULT NULL,
  `invite_expires_at` datetime     DEFAULT NULL,
  `invite_resent_at`  datetime     DEFAULT NULL,
  `created_at`        datetime     DEFAULT NULL,
  PRIMARY KEY (`map_id`),
  KEY `user_id`    (`user_id`),
  KEY `company_id` (`company_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb3;
", 'company_map_user');

// Column added for explicit-consent invite flow (existing users)
run($pdo, "ALTER TABLE `company_map_user` ADD COLUMN `invite_expires_at` DATETIME DEFAULT NULL AFTER `invite_token`", 'company_map_user.invite_expires_at');
run($pdo, "ALTER TABLE `company_map_user` ADD COLUMN `invite_resent_at` DATETIME DEFAULT NULL AFTER `invite_expires_at`", 'company_map_user.invite_resent_at');

run($pdo, "
CREATE TABLE IF NOT EXISTS `company_setting` (
  `id`          int(11) unsigned NOT NULL AUTO_INCREMENT,
  `company_id`  int(11)      NOT NULL,
  `setting_key` varchar(64)  NOT NULL,
  `value`       varchar(255) NOT NULL DEFAULT '',
  `updated_at`  datetime     DEFAULT NULL,
  `log`         mediumtext   DEFAULT NULL,
  PRIMARY KEY (`id`),
  UNIQUE KEY `company_key` (`company_id`,`setting_key`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb3;
", 'company_setting');

run($pdo, "
CREATE TABLE IF NOT EXISTS `company_smtp` (
  `smtp_id`    int(10) unsigned NOT NULL AUTO_INCREMENT,
  `company_id` int(10) unsigned NOT NULL,
  `server`     varchar(255) NOT NULL,
  `port`       varchar(10)  NOT NULL DEFAULT '587',
  `username`   varchar(255) NOT NULL,
  `password`   text         NOT NULL,
  `from_name`  varchar(255) NOT NULL DEFAULT '',
  `from_email` varchar(255) NOT NULL DEFAULT '',
  `encryption` enum('tls','ssl','none') NOT NULL DEFAULT 'tls',
  `updated_at` datetime DEFAULT NULL,
  PRIMARY KEY (`smtp_id`),
  UNIQUE KEY `uq_company_smtp` (`company_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
", 'company_smtp');

run($pdo, "
CREATE TABLE IF NOT EXISTS `company_usage` (
  `id`          int(11) unsigned NOT NULL AUTO_INCREMENT,
  `company_id`  int(11)  NOT NULL,
  `day_date`    date     NOT NULL,
  `daily_count` int(11)  NOT NULL DEFAULT 0,
  PRIMARY KEY (`id`),
  UNIQUE KEY `uq_company_day` (`company_id`,`day_date`),
  KEY `idx_company_id` (`company_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
", 'company_usage');

run($pdo, "
CREATE TABLE IF NOT EXISTS `schema_migrations` (
  `version`    varchar(64) NOT NULL,
  `applied_at` datetime    NOT NULL DEFAULT current_timestamp(),
  PRIMARY KEY (`version`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb3;
", 'schema_migrations');

run($pdo, "
CREATE TABLE IF NOT EXISTS `whitelist` (
  `list_id` int(10) unsigned NOT NULL AUTO_INCREMENT,
  `cookie`  varchar(32)  NOT NULL,
  `status`  int(11)      NOT NULL DEFAULT 1 COMMENT '0=block 1=wait 2=allow',
  `ip`      varchar(20)  NOT NULL,
  `dt`      timestamp    NOT NULL DEFAULT current_timestamp(),
  PRIMARY KEY (`list_id`),
  UNIQUE KEY `cookie` (`cookie`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb3;
", 'whitelist');

// ─────────────────────────────────────────────────────────────────────────────
// WMS2 (business data) tables
// ─────────────────────────────────────────────────────────────────────────────
echo "\n--- {$db2} tables ---\n";
$pdo->exec("USE `{$db2}`");

// ── Master data ───────────────────────────────────────────────────────────────
run($pdo, "
CREATE TABLE IF NOT EXISTS `md_warehouse` (
  `id`             int(11) unsigned NOT NULL AUTO_INCREMENT,
  `company_id`     int(11)      NOT NULL DEFAULT 0,
  `warehouse_name` varchar(255) NOT NULL DEFAULT '',
  `location`       text         NOT NULL DEFAULT '',
  `manager`        int(11)      NOT NULL DEFAULT 0,
  `description`    text         NOT NULL DEFAULT '',
  `status`         int(1)       NOT NULL DEFAULT 1,
  `log`            mediumtext   NOT NULL DEFAULT '{}',
  PRIMARY KEY (`id`),
  UNIQUE KEY `company_id_warehouse_name` (`company_id`,`warehouse_name`),
  KEY `company_id` (`company_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb3;
", 'md_warehouse');

run($pdo, "
CREATE TABLE IF NOT EXISTS `md_storage` (
  `id`          int(11) unsigned NOT NULL AUTO_INCREMENT,
  `company_id`  int(11)      NOT NULL DEFAULT 0,
  `warehouse`   varchar(255) NOT NULL DEFAULT '',
  `zone`        text         NOT NULL DEFAULT '',
  `aisle_from`  varchar(255) NOT NULL DEFAULT '',
  `aisle_to`    varchar(255) NOT NULL DEFAULT '',
  `bin_from`   varchar(255) NOT NULL DEFAULT '',
  `bin_to`     varchar(255) NOT NULL DEFAULT '',
  `description` text         NOT NULL DEFAULT '',
  `status`      int(1)       NOT NULL DEFAULT 1,
  `log`         mediumtext   NOT NULL DEFAULT '{}',
  PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb3;
", 'md_storage');

run($pdo, "
CREATE TABLE IF NOT EXISTS `md_bin` (
  `id`          int(11)      NOT NULL AUTO_INCREMENT,
  `company_id`  int(11)      NOT NULL,
  `td_stock_id` int(11)      DEFAULT NULL,
  `warehouse`   int(11)      NOT NULL,
  `storage_id`  int(11)      NOT NULL DEFAULT 0,
  `zone`        varchar(10)  NOT NULL,
  `aisle`       varchar(10)  NOT NULL,
  `bin`        varchar(10)  NOT NULL,
  `product_sku` varchar(50)  DEFAULT NULL,
  PRIMARY KEY (`id`),
  UNIQUE KEY `uk_bin_location` (`company_id`,`warehouse`,`zone`,`aisle`,`bin`),
  KEY `idx_storage` (`storage_id`),
  KEY `idx_sku`     (`company_id`,`product_sku`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
", 'md_bin');

// Column made nullable — WarehouseManager::releaseBin() does `SET td_stock_id =
// NULL` to mark a bin empty (mirroring product_sku on the same row), but the
// column was NOT NULL DEFAULT 0. Under strict SQL mode this made releaseBin()
// fail with "Column 'td_stock_id' cannot be null" on every supplier return,
// every fully-depleted stock-out, and every stock transfer. Every read site
// (getBinStock(), occupyBin()) already treats 0 and NULL as equivalent "empty"
// (`if (!$td_stock_id)`), so this is a safe, behavior-preserving widening.
run($pdo, "ALTER TABLE `md_bin` MODIFY `td_stock_id` int(11) DEFAULT NULL", 'md_bin.td_stock_id nullable');

run($pdo, "
CREATE TABLE IF NOT EXISTS `td_bin_log` (
  `id`          bigint(20) unsigned NOT NULL AUTO_INCREMENT,
  `company_id`  int(10)      NOT NULL,
  `md_bin_id`   int(10) unsigned NOT NULL,
  `user_id`     int(10) unsigned DEFAULT NULL,
  `dt`          datetime     NOT NULL DEFAULT current_timestamp(),
  `login`       datetime     DEFAULT NULL,
  `action`      enum('occupy','release','transfer_in','transfer_out') NOT NULL,
  `product_sku` varchar(100) DEFAULT NULL,
  `td_stock_id` int(10) unsigned DEFAULT NULL,
  PRIMARY KEY (`id`),
  KEY `idx_bin` (`company_id`,`md_bin_id`),
  KEY `idx_user` (`company_id`,`user_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
", 'td_bin_log');

run($pdo, "
CREATE TABLE IF NOT EXISTS `md_product_category` (
  `id`          int(11) unsigned NOT NULL AUTO_INCREMENT,
  `company_id`  int(11)      NOT NULL DEFAULT 0,
  `category`    varchar(255) NOT NULL DEFAULT '',
  `slug`        varchar(255) NOT NULL DEFAULT '',
  `description` text         NOT NULL DEFAULT '',
  `status`      int(1)       NOT NULL DEFAULT 1,
  `log`         mediumtext   NOT NULL DEFAULT '{}',
  PRIMARY KEY (`id`),
  UNIQUE KEY `company_id_product_id` (`company_id`,`category`),
  KEY `company_id` (`company_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb3;
", 'md_product_category');

run($pdo, "
CREATE TABLE IF NOT EXISTS `md_product` (
  `id`                   int(11) unsigned NOT NULL AUTO_INCREMENT,
  `company_id`           int(11)      NOT NULL DEFAULT 0,
  `product_name`         varchar(255) NOT NULL DEFAULT '',
  `sku`                  varchar(255) NOT NULL DEFAULT '',
  `barcode`              varchar(64)  DEFAULT NULL,
  `price`                decimal(18,4) NOT NULL DEFAULT 0.0000,
  `cost_price`           decimal(15,2) NOT NULL DEFAULT 0.00,
  `tax_rate`             decimal(5,2)  NOT NULL DEFAULT 0.00,
  `sales_account_code`   varchar(20)  DEFAULT NULL,
  `purchase_account_code` varchar(20) DEFAULT NULL,
  `uom`                  varchar(20)  NOT NULL DEFAULT 'pcs',
  `min_stock`            decimal(18,4) NOT NULL DEFAULT 0.0000,
  `reorder_point`        decimal(18,4) NOT NULL DEFAULT 0.0000,
  `category`             int(11)      NOT NULL DEFAULT 0,
  `product_image`        text         NOT NULL DEFAULT '',
  `description`          text         NOT NULL DEFAULT '',
  `status`               int(1)       NOT NULL DEFAULT 1,
  `log`                  mediumtext   NOT NULL DEFAULT '{}',
  PRIMARY KEY (`id`),
  UNIQUE KEY `company_id_product_id` (`company_id`,`product_name`),
  KEY `company_id` (`company_id`),
  KEY `idx_product_barcode` (`company_id`,`barcode`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb3;
", 'md_product');

run($pdo, "
CREATE TABLE IF NOT EXISTS `md_lot` (
  `id`          int(10) unsigned NOT NULL AUTO_INCREMENT,
  `company_id`  int(10) unsigned NOT NULL,
  `product_sku` varchar(100) NOT NULL,
  `lot_number`  varchar(100) NOT NULL,
  `expiry_date` date         NOT NULL,
  `description` varchar(255) DEFAULT NULL,
  PRIMARY KEY (`id`),
  UNIQUE KEY `company_id_product_sku_lot_number` (`company_id`,`product_sku`,`lot_number`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb3;
", 'md_lot');

run($pdo, "
CREATE TABLE IF NOT EXISTS `md_contact_type` (
  `id`           int(11) unsigned NOT NULL AUTO_INCREMENT,
  `company_id`   int(11)      NOT NULL DEFAULT 0,
  `contact_type` varchar(255) NOT NULL DEFAULT '',
  `description`  text         NOT NULL DEFAULT '',
  `status`       int(1)       NOT NULL DEFAULT 1,
  `log`          mediumtext   NOT NULL DEFAULT '{}',
  PRIMARY KEY (`id`),
  UNIQUE KEY `company_id_product_id` (`company_id`,`contact_type`),
  KEY `company_id` (`company_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb3;
", 'md_contact_type');

run($pdo, "
CREATE TABLE IF NOT EXISTS `md_contact` (
  `id`               int(11) unsigned NOT NULL AUTO_INCREMENT,
  `company_id`       int(11)      NOT NULL DEFAULT 0,
  `contact_name`     varchar(255) NOT NULL,
  `tax_id`           varchar(255) NOT NULL,
  `organization`     varchar(255) NOT NULL,
  `branch`           varchar(255) NOT NULL,
  `contact_type`     int(11) unsigned NOT NULL,
  `billing_address`  text         NOT NULL,
  `shipping_location` varchar(255) NOT NULL,
  `shipping_address` text         NOT NULL,
  `remark`           text         NOT NULL,
  `contact_image`    mediumtext   NOT NULL,
  `status`           int(1) unsigned NOT NULL DEFAULT 1,
  `log`              mediumtext   NOT NULL DEFAULT '{}',
  PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb3;
", 'md_contact');

run($pdo, "
CREATE TABLE IF NOT EXISTS `md_barcode` (
  `id`              int(10) unsigned NOT NULL AUTO_INCREMENT,
  `company_id`      int(10) unsigned NOT NULL,
  `barcode_type`    varchar(20)  NOT NULL,
  `barcode`         varchar(320) NOT NULL,
  `product_sku`     varchar(100) DEFAULT NULL,
  `lot_number`      varchar(100) DEFAULT NULL,
  `serial_number`   varchar(100) DEFAULT NULL,
  `warehouse_id`    int(10) unsigned DEFAULT NULL,
  `zone`            varchar(100) DEFAULT NULL,
  `aisle`           varchar(100) DEFAULT NULL,
  `bin`            varchar(100) DEFAULT NULL,
  `print_count`     int(10) unsigned NOT NULL DEFAULT 0,
  `last_printed_dt` datetime     DEFAULT NULL,
  `created_dt`      datetime     NOT NULL DEFAULT current_timestamp(),
  `status`          tinyint(4)   NOT NULL DEFAULT 1,
  PRIMARY KEY (`id`),
  UNIQUE KEY `company_id_barcode` (`company_id`,`barcode`),
  KEY `company_id_type`        (`company_id`,`barcode_type`),
  KEY `company_id_product_lot` (`company_id`,`product_sku`,`lot_number`),
  KEY `company_id_location`    (`company_id`,`warehouse_id`,`zone`,`aisle`,`bin`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb3;
", 'md_barcode');

run($pdo, "
CREATE TABLE IF NOT EXISTS `md_sku_barcode_label` (
  `id`            int(10) unsigned NOT NULL AUTO_INCREMENT,
  `company_id`    int(10) unsigned NOT NULL,
  `product_sku`   varchar(100) NOT NULL,
  `lot_number`    varchar(100) NOT NULL,
  `serial_number` varchar(100) NOT NULL,
  `barcode`       varchar(320) NOT NULL,
  `created_dt`    datetime NOT NULL DEFAULT current_timestamp(),
  PRIMARY KEY (`id`),
  UNIQUE KEY `company_id_barcode`   (`company_id`,`barcode`),
  KEY `company_id_product_lot` (`company_id`,`product_sku`,`lot_number`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb3;
", 'md_sku_barcode_label');

run($pdo, "
CREATE TABLE IF NOT EXISTS `md_lock_operation` (
  `id`             int(10) unsigned NOT NULL AUTO_INCREMENT,
  `company_id`     int(11)      NOT NULL DEFAULT 0,
  `operation_type` varchar(50)  NOT NULL DEFAULT '',
  `user_id`        int(11)      NOT NULL DEFAULT 0,
  `locked_at`      datetime     NOT NULL,
  `expires_at`     datetime     NOT NULL,
  PRIMARY KEY (`id`),
  UNIQUE KEY `op` (`company_id`,`operation_type`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb3;
", 'md_lock_operation');

// ── Accounting master ─────────────────────────────────────────────────────────
run($pdo, "
CREATE TABLE IF NOT EXISTS `md_department` (
  `id`          int(11)      NOT NULL AUTO_INCREMENT,
  `company_id`  int(11)      NOT NULL,
  `dept_code`   varchar(20)  NOT NULL,
  `dept_name`   varchar(255) NOT NULL,
  `description` text         DEFAULT NULL,
  `status`      tinyint(1)   NOT NULL DEFAULT 1,
  PRIMARY KEY (`id`),
  UNIQUE KEY `uq_company_dept` (`company_id`,`dept_code`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb3;
", 'md_department');

run($pdo, "
CREATE TABLE IF NOT EXISTS `md_account` (
  `id`               int(11) NOT NULL AUTO_INCREMENT,
  `company_id`       int(11)      NOT NULL,
  `account_code`     varchar(20)  NOT NULL,
  `account_name`     varchar(255) NOT NULL,
  `account_type`     enum('asset','liability','equity','revenue','expense') NOT NULL,
  `account_category` varchar(50)  NOT NULL DEFAULT '',
  `parent_code`      varchar(20)  DEFAULT NULL,
  `is_posting`       tinyint(1)   NOT NULL DEFAULT 1,
  `status`           tinyint(1)   NOT NULL DEFAULT 1,
  PRIMARY KEY (`id`),
  UNIQUE KEY `uq_company_account` (`company_id`,`account_code`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb3;
", 'md_account');

run($pdo, "
CREATE TABLE IF NOT EXISTS `md_account_formula` (
  `id`            int(11)      NOT NULL AUTO_INCREMENT,
  `company_id`    int(11)      NOT NULL,
  `formula_name`  varchar(100) NOT NULL,
  `document_type` varchar(50)  NOT NULL,
  `description`   text         DEFAULT NULL,
  `is_default`    tinyint(1)   NOT NULL DEFAULT 0,
  `status`        tinyint(1)   NOT NULL DEFAULT 1,
  `created_at`    datetime     NOT NULL DEFAULT current_timestamp(),
  `updated_at`    datetime     DEFAULT NULL,
  PRIMARY KEY (`id`),
  KEY `idx_company_doc` (`company_id`,`document_type`),
  KEY `idx_status`      (`company_id`,`status`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb3;
", 'md_account_formula');

run($pdo, "
CREATE TABLE IF NOT EXISTS `md_account_formula_item` (
  `id`          int(11)      NOT NULL AUTO_INCREMENT,
  `company_id`  int(11)      NOT NULL,
  `formula_id`  int(11)      NOT NULL,
  `drcr`        enum('D','C') NOT NULL,
  `account_code` varchar(20) NOT NULL,
  `amount_key`  enum('grand_total','total','tax','amount') NOT NULL,
  `description` varchar(255) DEFAULT NULL,
  `sort_order`  int(11)      NOT NULL DEFAULT 0,
  PRIMARY KEY (`id`),
  KEY `idx_formula` (`company_id`,`formula_id`),
  KEY `idx_account` (`company_id`,`account_code`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb3;
", 'md_account_formula_item');

// ── Stock (template + base) ───────────────────────────────────────────────────
// td_stock_<warehouse_id> tables are created automatically by the app on first use.
// This base table matches the template used by WarehouseManager::createStockTableForWarehouse().
run($pdo, "
CREATE TABLE IF NOT EXISTS `td_stock` (
  `id`            int(11) unsigned NOT NULL AUTO_INCREMENT,
  `ref_id`        int(11) unsigned NOT NULL DEFAULT 0,
  `company_id`    int(11)      NOT NULL DEFAULT 0,
  `uuid`          varchar(64)  NOT NULL,
  `type`          varchar(20)  NOT NULL,
  `ref_warehouse` varchar(20)  NOT NULL DEFAULT '',
  `date`          datetime     DEFAULT NULL,
  `product_sku`   varchar(255) NOT NULL DEFAULT '0',
  `lot_number`    varchar(255) NOT NULL DEFAULT '',
  `serial_number` varchar(255) NOT NULL DEFAULT '',
  `source`        varchar(255) NOT NULL DEFAULT '',
  `source_id`     int(11)      NOT NULL DEFAULT 0,
  `in`            decimal(18,4) NOT NULL DEFAULT 0.0000,
  `out`           decimal(18,4) NOT NULL DEFAULT 0.0000,
  `price`         decimal(18,4) NOT NULL DEFAULT 0.0000,
  `zone`          varchar(255) NOT NULL DEFAULT '',
  `aisle`         varchar(255) NOT NULL DEFAULT '',
  `bin`          varchar(255) NOT NULL DEFAULT '',
  `contact_id`    int(11)      NOT NULL DEFAULT 0,
  `description`   text         NOT NULL DEFAULT '',
  `status`        int(3)       NOT NULL DEFAULT 0,
  `log`           mediumtext   NOT NULL DEFAULT '{}',
  `updated_at`    datetime     DEFAULT NULL,
  PRIMARY KEY (`id`),
  KEY `company_id` (`company_id`),
  KEY `product_id` (`product_sku`),
  KEY `updated_at` (`updated_at`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb3;
", 'td_stock (base template)');

// Column widened for db_auth.php's 32-char $uuid (bin2hex(random_bytes(16))) plus
// manager-appended suffixes (e.g. "_ret_0", "_srn_0", "_3") — varchar(20) was too
// narrow and caused "Data too long for column 'uuid'" on every real stock movement
// (PO receipt, order confirm, return confirm, stock transfer) under strict SQL mode.
run($pdo, "ALTER TABLE `td_stock` MODIFY `uuid` varchar(64) NOT NULL", 'td_stock.uuid width');

// Per-warehouse td_stock_<id> tables are cloned from td_stock at warehouse-creation
// time (WarehouseManager::createStockTableForWarehouse()) and are NOT otherwise
// tracked by this script — widen uuid on every one that already exists so
// previously-created warehouses get the same fix. New warehouses get it for free
// from the template above.
$stockTables = $pdo->query("SHOW TABLES LIKE 'td\\_stock\\_%'")->fetchAll(PDO::FETCH_COLUMN);
foreach ($stockTables as $t) {
    run($pdo, "ALTER TABLE `{$t}` MODIFY `uuid` varchar(64) NOT NULL", "{$t}.uuid width");
}

run($pdo, "
CREATE TABLE IF NOT EXISTS `etl_stock_summary` (
  `id`           int(11) unsigned NOT NULL AUTO_INCREMENT,
  `company_id`   int(11) unsigned NOT NULL DEFAULT 0,
  `warehouse_id` int(11) unsigned NOT NULL DEFAULT 0,
  `product_sku`  varchar(255) NOT NULL DEFAULT '',
  `month`        varchar(10)  NOT NULL,
  `total_in`          decimal(18,4) NOT NULL DEFAULT 0.0000,
  `total_out`         decimal(18,4) NOT NULL DEFAULT 0.0000,
  `source_updated_at` datetime      DEFAULT NULL,
  PRIMARY KEY (`id`),
  UNIQUE KEY `company_id_warehouse_id_product_sku_month` (`company_id`,`warehouse_id`,`product_sku`,`month`),
  KEY `company_id`        (`company_id`),
  KEY `product_id`        (`warehouse_id`),
  KEY `source_updated_at` (`source_updated_at`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb3;
", 'etl_stock_summary');

run($pdo, "
CREATE TABLE IF NOT EXISTS `etl_gl_summary` (
  `id`                int(11) unsigned NOT NULL AUTO_INCREMENT,
  `company_id`        int(11) unsigned NOT NULL DEFAULT 0,
  `acc_code`          int(11)      NOT NULL DEFAULT 0,
  `period`            varchar(7)   NOT NULL,
  `debit`             decimal(18,4) NOT NULL DEFAULT 0.0000,
  `credit`            decimal(18,4) NOT NULL DEFAULT 0.0000,
  `count`             int(11)      NOT NULL DEFAULT 0,
  `source_updated_at` datetime     DEFAULT NULL,
  `updated_at`         datetime     DEFAULT NULL,
  PRIMARY KEY (`id`),
  UNIQUE KEY `company_id_acc_code_period` (`company_id`,`acc_code`,`period`),
  KEY `company_id` (`company_id`),
  KEY `period`     (`period`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb3;
", 'etl_gl_summary');

// ── Transactions ──────────────────────────────────────────────────────────────
run($pdo, "
CREATE TABLE IF NOT EXISTS `td_gl` (
  `id`              int(10) unsigned NOT NULL AUTO_INCREMENT,
  `company_id`      int(11)      NOT NULL DEFAULT 0,
  `source_type`     varchar(50)  NOT NULL DEFAULT '',
  `source_id`       int(11)      NOT NULL DEFAULT 0,
  `reference`       varchar(100) NOT NULL DEFAULT '',
  `description`     varchar(255) NOT NULL DEFAULT '',
  `journal_date`    date         DEFAULT NULL,
  `formula_id`      int(11)      NOT NULL DEFAULT 0,
  `period`          varchar(7)   NOT NULL DEFAULT '',
  `current_version` tinyint(4)   NOT NULL DEFAULT 1,
  `history`         longtext CHARACTER SET utf8mb4 COLLATE utf8mb4_bin NOT NULL DEFAULT '[]' CHECK (json_valid(`history`)),
  `created_at`      datetime     NOT NULL,
  `updated_at`      datetime     NOT NULL,
  PRIMARY KEY (`id`),
  KEY `company_id` (`company_id`),
  KEY `period`     (`period`),
  KEY `formula_id` (`formula_id`),
  KEY `source`     (`company_id`,`source_type`,`source_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb3;
", 'td_gl');

run($pdo, "
CREATE TABLE IF NOT EXISTS `td_gl_item` (
  `id`            int(10) unsigned NOT NULL AUTO_INCREMENT,
  `company_id`    int(11)      NOT NULL DEFAULT 0,
  `gl_id`         int(10) unsigned NOT NULL,
  `account_code`  varchar(20)  NOT NULL DEFAULT '',
  `department_id` int(11)      NOT NULL DEFAULT 0,
  `debit`         decimal(18,4) NOT NULL DEFAULT 0.0000,
  `credit`        decimal(18,4) NOT NULL DEFAULT 0.0000,
  `description`   varchar(255) NOT NULL DEFAULT '',
  PRIMARY KEY (`id`),
  KEY `gl_id`      (`gl_id`),
  KEY `company_id` (`company_id`),
  KEY `account_code` (`account_code`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb3;
", 'td_gl_item');

run($pdo, "
CREATE TABLE IF NOT EXISTS `td_batch_action` (
  `id`          int(10) unsigned NOT NULL AUTO_INCREMENT,
  `company_id`  int(11)      NOT NULL DEFAULT 0,
  `type`        varchar(50)  NOT NULL DEFAULT '',
  `doc_type`    varchar(50)  NOT NULL DEFAULT '',
  `total`       int(11)      NOT NULL DEFAULT 0,
  `succeeded`   int(11)      NOT NULL DEFAULT 0,
  `failed`      int(11)      NOT NULL DEFAULT 0,
  `failed_ids`  longtext CHARACTER SET utf8mb4 COLLATE utf8mb4_bin NOT NULL DEFAULT '[]' CHECK (json_valid(`failed_ids`)),
  `user_id`     int(11)      NOT NULL DEFAULT 0,
  `created_at`  datetime     NOT NULL,
  PRIMARY KEY (`id`),
  KEY `company_id` (`company_id`),
  KEY `type`       (`type`),
  KEY `doc_type`   (`doc_type`),
  KEY `user_id`    (`user_id`),
  KEY `created_at` (`created_at`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb3;
", 'td_batch_action');

run($pdo, "
CREATE TABLE IF NOT EXISTS `td_quotation` (
  `id`               int(11) unsigned NOT NULL AUTO_INCREMENT,
  `company_id`       int(11)      NOT NULL DEFAULT 0,
  `uuid`             varchar(32)  NOT NULL DEFAULT '',
  `quotation_number` varchar(50)  NOT NULL DEFAULT '',
  `contact_id`       int(11)      NOT NULL DEFAULT 0,
  `department_id`    int(11)      NOT NULL DEFAULT 0,
  `quotation_date`   date         DEFAULT NULL,
  `valid_until`      date         DEFAULT NULL,
  `status`           tinyint(1)   NOT NULL DEFAULT 0,
  `subtotal`         decimal(18,4) NOT NULL DEFAULT 0.0000,
  `discount`         decimal(18,4) NOT NULL DEFAULT 0.0000,
  `tax`              decimal(18,4) NOT NULL DEFAULT 0.0000,
  `grand_total`      decimal(18,4) NOT NULL DEFAULT 0.0000,
  `notes`            text         NOT NULL DEFAULT '',
  `log`              mediumtext   NOT NULL DEFAULT '{}',
  `created_at`       datetime     DEFAULT NULL,
  PRIMARY KEY (`id`),
  KEY `company_id`       (`company_id`),
  KEY `quotation_number` (`quotation_number`),
  KEY `status`           (`status`),
  KEY `contact_id`       (`contact_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
", 'td_quotation');

run($pdo, "
CREATE TABLE IF NOT EXISTS `td_quotation_item` (
  `id`            int(11) unsigned NOT NULL AUTO_INCREMENT,
  `company_id`    int(11)      NOT NULL DEFAULT 0,
  `quotation_id`  int(11) unsigned NOT NULL DEFAULT 0,
  `item_id`       int(11) unsigned NOT NULL DEFAULT 0,
  `product_sku`   varchar(100) NOT NULL DEFAULT '',
  `product_name`  varchar(255) NOT NULL DEFAULT '',
  `quantity`      decimal(18,4) NOT NULL DEFAULT 0.0000,
  `unit_price`    decimal(18,4) NOT NULL DEFAULT 0.0000,
  `total_price`   decimal(18,4) NOT NULL DEFAULT 0.0000,
  `tax_amount`    decimal(18,4) NOT NULL DEFAULT 0.0000,
  `tax_rate`      decimal(5,2)  NOT NULL DEFAULT 0.00,
  `converted_qty` decimal(18,4) NOT NULL DEFAULT 0.0000,
  PRIMARY KEY (`id`),
  UNIQUE KEY `uq_qt_item`  (`quotation_id`,`item_id`),
  KEY `idx_quotation` (`company_id`,`quotation_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
", 'td_quotation_item');

run($pdo, "
CREATE TABLE IF NOT EXISTS `td_order` (
  `id`                       int(11) unsigned NOT NULL AUTO_INCREMENT,
  `company_id`               int(11)      NOT NULL DEFAULT 0,
  `uuid`                     varchar(32)  NOT NULL DEFAULT '',
  `source_id`                int(11)      NOT NULL DEFAULT 0,
  `source`                   varchar(20)  NOT NULL DEFAULT '',
  `order_number`             varchar(50)  NOT NULL DEFAULT '',
  `contact_id`               int(11)      NOT NULL DEFAULT 0,
  `department_id`            int(11)      NOT NULL DEFAULT 0,
  `order_date`               date         DEFAULT NULL,
  `status`                   tinyint(1)   NOT NULL DEFAULT 0,
  `subtotal`                 decimal(18,4) NOT NULL DEFAULT 0.0000,
  `discount`                 decimal(18,4) NOT NULL DEFAULT 0.0000,
  `tax`                      decimal(18,4) NOT NULL DEFAULT 0.0000,
  `tax_adjustment`           decimal(8,2)  NOT NULL DEFAULT 0.00,
  `shipping_fee`             decimal(18,4) NOT NULL DEFAULT 0.0000,
  `shipping_tracking_number` varchar(100) DEFAULT NULL,
  `grand_total`              decimal(18,4) NOT NULL DEFAULT 0.0000,
  `notes`                    text         NOT NULL DEFAULT '',
  `log`                      mediumtext   NOT NULL DEFAULT '{}',
  `created_at`               datetime     DEFAULT NULL,
  PRIMARY KEY (`id`),
  KEY `company_id`  (`company_id`),
  KEY `contact_id`  (`contact_id`),
  KEY `order_number` (`order_number`),
  KEY `status`      (`status`),
  KEY `order_date`  (`order_date`),
  KEY `quotation_id` (`source_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb3;
", 'td_order');

run($pdo, "
CREATE TABLE IF NOT EXISTS `td_order_item` (
  `id`           int(11) unsigned NOT NULL AUTO_INCREMENT,
  `company_id`   int(11)      NOT NULL DEFAULT 0,
  `order_id`     int(11) unsigned NOT NULL DEFAULT 0,
  `item_id`      int(11) unsigned NOT NULL DEFAULT 0,
  `product_sku`  varchar(100) NOT NULL DEFAULT '',
  `product_name` varchar(255) NOT NULL DEFAULT '',
  `quantity`     decimal(18,4) NOT NULL DEFAULT 0.0000,
  `unit_price`   decimal(18,4) NOT NULL DEFAULT 0.0000,
  `total_price`  decimal(18,4) NOT NULL DEFAULT 0.0000,
  `tax_amount`   decimal(18,4) NOT NULL DEFAULT 0.0000,
  `tax_rate`     decimal(5,2)  NOT NULL DEFAULT 0.00,
  `warehouse_id` int(11)      NOT NULL DEFAULT 0,
  `stock_out_id` int(11)      NOT NULL DEFAULT 0,
  `lot_number`   varchar(100) NOT NULL DEFAULT '',
  `invoiced_qty` decimal(18,4) NOT NULL DEFAULT 0.0000,
  PRIMARY KEY (`id`),
  UNIQUE KEY `uq_order_item` (`order_id`,`item_id`),
  KEY `idx_order` (`company_id`,`order_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
", 'td_order_item');

run($pdo, "
CREATE TABLE IF NOT EXISTS `td_invoice` (
  `id`              int(11) unsigned NOT NULL AUTO_INCREMENT,
  `company_id`      int(11)      NOT NULL DEFAULT 0,
  `uuid`            varchar(32)  NOT NULL DEFAULT '',
  `source_id`       int(11)      NOT NULL DEFAULT 0,
  `source`          varchar(20)  NOT NULL DEFAULT '',
  `doc_type`        varchar(20)  NOT NULL DEFAULT 'invoice',
  `invoice_number`  varchar(50)  NOT NULL DEFAULT '',
  `ref_invoice_id`  int(11) unsigned NOT NULL DEFAULT 0,
  `order_id`        int(11) unsigned NOT NULL DEFAULT 0,
  `contact_id`      int(11)      NOT NULL DEFAULT 0,
  `department_id`   int(11)      NOT NULL DEFAULT 0,
  `issued_date`     date         DEFAULT NULL,
  `due_date`        date         DEFAULT NULL,
  `subtotal`        decimal(18,4) NOT NULL DEFAULT 0.0000,
  `discount`        decimal(18,4) NOT NULL DEFAULT 0.0000,
  `tax`             decimal(18,4) NOT NULL DEFAULT 0.0000,
  `tax_adjustment`  decimal(8,2)  NOT NULL DEFAULT 0.00,
  `shipping_fee`    decimal(18,4) NOT NULL DEFAULT 0.0000,
  `grand_total`     decimal(18,4) NOT NULL DEFAULT 0.0000,
  `formula_id`      int(11)      DEFAULT NULL,
  `status`          tinyint(1)   NOT NULL DEFAULT 0,
  `notes`           text         NOT NULL DEFAULT '',
  `log`             mediumtext   NOT NULL DEFAULT '{}',
  PRIMARY KEY (`id`),
  KEY `company_id`     (`company_id`),
  KEY `order_id`       (`order_id`),
  KEY `contact_id`     (`contact_id`),
  KEY `invoice_number` (`invoice_number`),
  KEY `ref_invoice_id` (`ref_invoice_id`),
  KEY `doc_type`       (`doc_type`),
  KEY `status`         (`status`),
  KEY `due_date`       (`due_date`),
  KEY `source_id`      (`source_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb3;
", 'td_invoice');

run($pdo, "
CREATE TABLE IF NOT EXISTS `td_invoice_item` (
  `id`           int(11) unsigned NOT NULL AUTO_INCREMENT,
  `company_id`   int(11)      NOT NULL DEFAULT 0,
  `invoice_id`   int(11) unsigned NOT NULL DEFAULT 0,
  `item_id`      int(11) unsigned NOT NULL DEFAULT 0,
  `product_sku`  varchar(100) NOT NULL DEFAULT '',
  `product_name` varchar(255) NOT NULL DEFAULT '',
  `quantity`     decimal(18,4) NOT NULL DEFAULT 0.0000,
  `unit_price`   decimal(18,4) NOT NULL DEFAULT 0.0000,
  `total_price`  decimal(18,4) NOT NULL DEFAULT 0.0000,
  `tax_amount`   decimal(18,4) NOT NULL DEFAULT 0.0000,
  `tax_rate`     decimal(5,2)  NOT NULL DEFAULT 0.00,
  PRIMARY KEY (`id`),
  UNIQUE KEY `uq_invoice_item` (`invoice_id`,`item_id`),
  KEY `idx_invoice` (`company_id`,`invoice_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
", 'td_invoice_item');

run($pdo, "
CREATE TABLE IF NOT EXISTS `td_return` (
  `id`            int(11) unsigned NOT NULL AUTO_INCREMENT,
  `company_id`    int(11)      NOT NULL DEFAULT 0,
  `uuid`          varchar(32)  NOT NULL DEFAULT '',
  `return_number` varchar(50)  NOT NULL DEFAULT '',
  `order_id`      int(11) unsigned NOT NULL DEFAULT 0,
  `invoice_id`    int(11) unsigned NOT NULL DEFAULT 0,
  `contact_id`    int(11)      NOT NULL DEFAULT 0,
  `department_id` int(11)      NOT NULL DEFAULT 0,
  `return_date`   date         DEFAULT NULL,
  `status`        tinyint(1)   NOT NULL DEFAULT 0,
  `reason`        text         NOT NULL DEFAULT '',
  `refund_amount` decimal(18,4) NOT NULL DEFAULT 0.0000,
  `tax`           decimal(18,4) NOT NULL DEFAULT 0.0000,
  `tax_adjustment` decimal(8,2) NOT NULL DEFAULT 0.00,
  `notes`         text         NOT NULL DEFAULT '',
  `formula_id`    int(11)      DEFAULT NULL,
  `log`           mediumtext   NOT NULL DEFAULT '{}',
  PRIMARY KEY (`id`),
  KEY `company_id`    (`company_id`),
  KEY `order_id`      (`order_id`),
  KEY `invoice_id`    (`invoice_id`),
  KEY `contact_id`    (`contact_id`),
  KEY `return_number` (`return_number`),
  KEY `status`        (`status`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb3;
", 'td_return');

// Column added for ReturnManager::saveFormula() / custom credit-note GL formula
// selection — was missing from the original table (unlike td_invoice/td_receipt/
// td_payment, which all have formula_id). Without it, ReturnManager::saveReturn()
// fails on every insert.
run($pdo, "ALTER TABLE `td_return` ADD COLUMN `formula_id` int(11) DEFAULT NULL AFTER `notes`", 'td_return.formula_id');

run($pdo, "
CREATE TABLE IF NOT EXISTS `td_return_item` (
  `id`                    int(11) unsigned NOT NULL AUTO_INCREMENT,
  `company_id`            int(11)      NOT NULL DEFAULT 0,
  `return_id`             int(11) unsigned NOT NULL DEFAULT 0,
  `item_id`               int(11) unsigned NOT NULL DEFAULT 0,
  `product_sku`           varchar(100) NOT NULL DEFAULT '',
  `product_name`          varchar(255) NOT NULL DEFAULT '',
  `quantity`              decimal(18,4) NOT NULL DEFAULT 0.0000,
  `unit_price`            decimal(18,4) NOT NULL DEFAULT 0.0000,
  `total_price`           decimal(18,4) NOT NULL DEFAULT 0.0000,
  `tax_amount`            decimal(18,4) NOT NULL DEFAULT 0.0000,
  `tax_rate`              decimal(5,2)  NOT NULL DEFAULT 0.00,
  `warehouse_id`          int(11)      NOT NULL DEFAULT 0,
  `stock_out_id`          int(11)      NOT NULL DEFAULT 0,
  `stock_out_warehouse_id` int(11)     NOT NULL DEFAULT 0,
  `zone`                  varchar(255) NOT NULL DEFAULT '',
  `aisle`                 varchar(255) NOT NULL DEFAULT '',
  `bin`                   varchar(255) NOT NULL DEFAULT '',
  PRIMARY KEY (`id`),
  UNIQUE KEY `uq_return_item` (`return_id`,`item_id`),
  KEY `idx_return` (`company_id`,`return_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
", 'td_return_item');

// Put-away location of each returned line. The Customer Return form has always
// asked for it and ReturnManager::confirmReturn() has always read it, but the
// table had nowhere to keep it: the choice was dropped on save and every
// confirmation then failed in WarehouseManager::occupyBin() with
// "Bin -- does not exist". Same widths as td_stock's location columns.
run($pdo, "ALTER TABLE `td_return_item` ADD COLUMN `zone`  varchar(255) NOT NULL DEFAULT '' AFTER `stock_out_warehouse_id`", 'td_return_item.zone');
run($pdo, "ALTER TABLE `td_return_item` ADD COLUMN `aisle` varchar(255) NOT NULL DEFAULT '' AFTER `zone`", 'td_return_item.aisle');
run($pdo, "ALTER TABLE `td_return_item` ADD COLUMN `bin`   varchar(255) NOT NULL DEFAULT '' AFTER `aisle`", 'td_return_item.bin');

run($pdo, "
CREATE TABLE IF NOT EXISTS `td_purchase_request` (
  `id`             int(11) unsigned NOT NULL AUTO_INCREMENT,
  `company_id`     int(11)      NOT NULL DEFAULT 0,
  `uuid`           varchar(32)  NOT NULL DEFAULT '',
  `request_number` varchar(50)  NOT NULL DEFAULT '',
  `contact_id`     int(11)      NOT NULL DEFAULT 0,
  `department_id`  int(11)      NOT NULL DEFAULT 0,
  `request_date`   date         DEFAULT NULL,
  `required_date`  date         DEFAULT NULL,
  `status`         tinyint(1)   NOT NULL DEFAULT 0,
  `subtotal`       decimal(18,4) NOT NULL DEFAULT 0.0000,
  `discount`       decimal(18,4) NOT NULL DEFAULT 0.0000,
  `tax`            decimal(18,4) NOT NULL DEFAULT 0.0000,
  `shipping_fee`   decimal(18,4) NOT NULL DEFAULT 0.0000,
  `grand_total`    decimal(18,4) NOT NULL DEFAULT 0.0000,
  `notes`          text         NOT NULL DEFAULT '',
  `log`            mediumtext   NOT NULL DEFAULT '{}',
  `created_at`     datetime     DEFAULT NULL,
  PRIMARY KEY (`id`),
  KEY `company_id`     (`company_id`),
  KEY `request_number` (`request_number`),
  KEY `status`         (`status`),
  KEY `contact_id`     (`contact_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
", 'td_purchase_request');

run($pdo, "
CREATE TABLE IF NOT EXISTS `td_purchase_request_item` (
  `id`            int(11) unsigned NOT NULL AUTO_INCREMENT,
  `company_id`    int(11)      NOT NULL DEFAULT 0,
  `request_id`    int(11) unsigned NOT NULL DEFAULT 0,
  `item_id`       int(11) unsigned NOT NULL DEFAULT 0,
  `product_sku`   varchar(100) NOT NULL DEFAULT '',
  `product_name`  varchar(255) NOT NULL DEFAULT '',
  `quantity`      decimal(18,4) NOT NULL DEFAULT 0.0000,
  `unit_price`    decimal(18,4) NOT NULL DEFAULT 0.0000,
  `total_price`   decimal(18,4) NOT NULL DEFAULT 0.0000,
  `tax_amount`    decimal(18,4) NOT NULL DEFAULT 0.0000,
  `tax_rate`      decimal(5,2)  NOT NULL DEFAULT 0.00,
  `converted_qty` decimal(18,4) NOT NULL DEFAULT 0.0000,
  PRIMARY KEY (`id`),
  UNIQUE KEY `uq_pr_item` (`request_id`,`item_id`),
  KEY `idx_pr_item` (`company_id`,`request_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
", 'td_purchase_request_item');

run($pdo, "
CREATE TABLE IF NOT EXISTS `td_purchase_order` (
  `id`             int(11)      NOT NULL AUTO_INCREMENT,
  `company_id`     int(11)      NOT NULL,
  `uuid`           varchar(64)  NOT NULL,
  `source_id`      int(11)      NOT NULL DEFAULT 0,
  `source`         varchar(32)  NOT NULL DEFAULT '',
  `po_number`      varchar(32)  NOT NULL,
  `contact_id`     int(11)      DEFAULT NULL,
  `department_id`  int(11)      NOT NULL DEFAULT 0,
  `po_date`        date         NOT NULL,
  `expected_date`  date         DEFAULT NULL,
  `closed_at`      datetime     DEFAULT NULL,
  `warehouse_id`   int(11)      NOT NULL DEFAULT 0,
  `status`         tinyint(4)   NOT NULL DEFAULT 0,
  `subtotal`       decimal(15,2) NOT NULL DEFAULT 0.00,
  `discount`       decimal(15,2) NOT NULL DEFAULT 0.00,
  `tax`            decimal(15,2) NOT NULL DEFAULT 0.00,
  `tax_adjustment` decimal(8,2)  NOT NULL DEFAULT 0.00,
  `shipping_fee`   decimal(15,2) NOT NULL DEFAULT 0.00,
  `grand_total`    decimal(15,2) NOT NULL DEFAULT 0.00,
  `notes`          text         DEFAULT NULL,
  `log`            longtext CHARACTER SET utf8mb4 COLLATE utf8mb4_bin DEFAULT NULL CHECK (json_valid(`log`)),
  `created_at`     datetime     NOT NULL,
  PRIMARY KEY (`id`),
  KEY `idx_po_company` (`company_id`),
  KEY `idx_po_status`  (`company_id`,`status`),
  KEY `idx_po_contact` (`company_id`,`contact_id`),
  KEY `idx_po_date`    (`company_id`,`po_date`),
  KEY `idx_po_source`  (`company_id`,`source`,`source_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
", 'td_purchase_order');

run($pdo, "
CREATE TABLE IF NOT EXISTS `td_purchase_order_item` (
  `id`           int(11) unsigned NOT NULL AUTO_INCREMENT,
  `company_id`   int(11)      NOT NULL DEFAULT 0,
  `order_id`     int(11) unsigned NOT NULL DEFAULT 0,
  `item_id`      int(11) unsigned NOT NULL DEFAULT 0,
  `product_sku`  varchar(100) NOT NULL DEFAULT '',
  `product_name` varchar(255) NOT NULL DEFAULT '',
  `quantity`     decimal(18,4) NOT NULL DEFAULT 0.0000,
  `unit_price`   decimal(18,4) NOT NULL DEFAULT 0.0000,
  `total_price`  decimal(18,4) NOT NULL DEFAULT 0.0000,
  `tax_amount`   decimal(18,4) NOT NULL DEFAULT 0.0000,
  `tax_rate`     decimal(5,2)  NOT NULL DEFAULT 0.00,
  `received_qty` decimal(18,4) NOT NULL DEFAULT 0.0000,
  `stock_in_id`  int(11)      NOT NULL DEFAULT 0,
  `invoiced_qty` decimal(18,4) NOT NULL DEFAULT 0.0000,
  PRIMARY KEY (`id`),
  UNIQUE KEY `uq_po_item` (`order_id`,`item_id`),
  KEY `idx_order` (`company_id`,`order_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
", 'td_purchase_order_item');

run($pdo, "
CREATE TABLE IF NOT EXISTS `td_supplier_return` (
  `id`                       int(11) unsigned NOT NULL AUTO_INCREMENT,
  `company_id`               int(11)      NOT NULL DEFAULT 0,
  `uuid`                     varchar(32)  NOT NULL DEFAULT '',
  `return_number`            varchar(32)  NOT NULL DEFAULT '',
  `po_id`                    int(11) unsigned NOT NULL DEFAULT 0,
  `invoice_id`               int(11) unsigned NOT NULL DEFAULT 0,
  `contact_id`               int(11)      NOT NULL DEFAULT 0,
  `department_id`            int(11)      NOT NULL DEFAULT 0,
  `return_date`              date         NOT NULL,
  `status`                   tinyint(1)   NOT NULL DEFAULT 0,
  `reason`                   text         NOT NULL DEFAULT '',
  `refund_amount`            decimal(18,4) NOT NULL DEFAULT 0.0000,
  `tax`                      decimal(18,4) NOT NULL DEFAULT 0.0000,
  `tax_adjustment`           decimal(8,2)  NOT NULL DEFAULT 0.00,
  `notes`                    text         NOT NULL DEFAULT '',
  `log`                      mediumtext   NOT NULL DEFAULT '{}',
  `shipping_tracking_number` varchar(100) NOT NULL DEFAULT '',
  PRIMARY KEY (`id`),
  KEY `idx_company_id` (`company_id`),
  KEY `idx_po_id`      (`po_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
", 'td_supplier_return');

run($pdo, "
CREATE TABLE IF NOT EXISTS `td_supplier_return_item` (
  `id`           int(11) unsigned NOT NULL AUTO_INCREMENT,
  `company_id`   int(11)      NOT NULL DEFAULT 0,
  `return_id`    int(11) unsigned NOT NULL DEFAULT 0,
  `item_id`      int(11) unsigned NOT NULL DEFAULT 0,
  `product_sku`  varchar(100) NOT NULL DEFAULT '',
  `product_name` varchar(255) NOT NULL DEFAULT '',
  `quantity`     decimal(18,4) NOT NULL DEFAULT 0.0000,
  `unit_price`   decimal(18,4) NOT NULL DEFAULT 0.0000,
  `total_price`  decimal(18,4) NOT NULL DEFAULT 0.0000,
  `tax_amount`   decimal(18,4) NOT NULL DEFAULT 0.0000,
  `tax_rate`     decimal(5,2)  NOT NULL DEFAULT 0.00,
  `warehouse_id` int(11)      NOT NULL DEFAULT 0,
  `stock_in_id`  int(11)      NOT NULL DEFAULT 0,
  `zone`         varchar(50)  NOT NULL DEFAULT '',
  `aisle`        varchar(50)  NOT NULL DEFAULT '',
  `bin`         varchar(50)  NOT NULL DEFAULT '',
  PRIMARY KEY (`id`),
  UNIQUE KEY `uq_sr_item` (`return_id`,`item_id`),
  KEY `idx_return` (`company_id`,`return_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
", 'td_supplier_return_item');

run($pdo, "
CREATE TABLE IF NOT EXISTS `td_receipt_billing` (
  `id`             int(11) unsigned NOT NULL AUTO_INCREMENT,
  `company_id`     int(11)      NOT NULL DEFAULT 0,
  `uuid`           varchar(32)  NOT NULL DEFAULT '',
  `billing_number` varchar(50)  NOT NULL DEFAULT '',
  `contact_id`     int(11)      NOT NULL DEFAULT 0,
  `billing_date`   date         DEFAULT NULL,
  `amount`         decimal(18,4) NOT NULL DEFAULT 0.0000,
  `status`         tinyint(1)   NOT NULL DEFAULT 1,
  `notes`          text         NOT NULL DEFAULT '',
  `log`            mediumtext   NOT NULL DEFAULT '{}',
  `created_at`     datetime     DEFAULT NULL,
  PRIMARY KEY (`id`),
  KEY `company_id`     (`company_id`),
  KEY `contact_id`     (`contact_id`),
  KEY `billing_number` (`billing_number`),
  KEY `status`         (`status`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb3;
", 'td_receipt_billing');

run($pdo, "
CREATE TABLE IF NOT EXISTS `td_receipt_billing_item` (
  `id`         int(11) unsigned NOT NULL AUTO_INCREMENT,
  `company_id` int(11)      NOT NULL DEFAULT 0,
  `billing_id` int(11) unsigned NOT NULL DEFAULT 0,
  `invoice_id` int(11) unsigned NOT NULL DEFAULT 0,
  `doc_type`   varchar(20)  NOT NULL DEFAULT '',
  `amount`     decimal(18,4) NOT NULL DEFAULT 0.0000,
  PRIMARY KEY (`id`),
  KEY `company_id` (`company_id`),
  KEY `billing_id` (`billing_id`),
  KEY `invoice_id` (`invoice_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb3;
", 'td_receipt_billing_item');

run($pdo, "
CREATE TABLE IF NOT EXISTS `td_receipt` (
  `id`                 int(11) unsigned NOT NULL AUTO_INCREMENT,
  `company_id`         int(11)      NOT NULL DEFAULT 0,
  `uuid`               varchar(32)  NOT NULL DEFAULT '',
  `receipt_number`     varchar(50)  NOT NULL DEFAULT '',
  `contact_id`         int(11)      NOT NULL DEFAULT 0,
  `department_id`      int(11)      NOT NULL DEFAULT 0,
  `receipt_billing_id` int(11) unsigned NOT NULL DEFAULT 0,
  `receipt_date`       date         DEFAULT NULL,
  `payment_method`     varchar(50)  NOT NULL DEFAULT '',
  `amount`             decimal(18,4) NOT NULL DEFAULT 0.0000,
  `formula_id`         int(11)      DEFAULT NULL,
  `status`             tinyint(1)   NOT NULL DEFAULT 1,
  `notes`              text         NOT NULL DEFAULT '',
  `log`                mediumtext   NOT NULL DEFAULT '{}',
  `created_at`         datetime     DEFAULT NULL,
  PRIMARY KEY (`id`),
  KEY `company_id`         (`company_id`),
  KEY `contact_id`         (`contact_id`),
  KEY `receipt_number`     (`receipt_number`),
  KEY `status`             (`status`),
  KEY `receipt_billing_id` (`receipt_billing_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb3;
", 'td_receipt');

run($pdo, "
CREATE TABLE IF NOT EXISTS `td_receipt_item` (
  `id`           int(11) unsigned NOT NULL AUTO_INCREMENT,
  `company_id`   int(11)      NOT NULL DEFAULT 0,
  `receipt_id`   int(11) unsigned NOT NULL DEFAULT 0,
  `invoice_id`   int(11) unsigned NOT NULL DEFAULT 0,
  `doc_type`     varchar(20)  NOT NULL DEFAULT '',
  `department_id` int(11)     NOT NULL DEFAULT 0,
  `amount`       decimal(18,4) NOT NULL DEFAULT 0.0000,
  PRIMARY KEY (`id`),
  KEY `company_id` (`company_id`),
  KEY `receipt_id` (`receipt_id`),
  KEY `invoice_id` (`invoice_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb3;
", 'td_receipt_item');

run($pdo, "
CREATE TABLE IF NOT EXISTS `td_payment_billing` (
  `id`             int(11) unsigned NOT NULL AUTO_INCREMENT,
  `company_id`     int(11)      NOT NULL DEFAULT 0,
  `uuid`           varchar(32)  NOT NULL DEFAULT '',
  `billing_number` varchar(50)  NOT NULL DEFAULT '',
  `contact_id`     int(11)      NOT NULL DEFAULT 0,
  `billing_date`   date         DEFAULT NULL,
  `amount`         decimal(18,4) NOT NULL DEFAULT 0.0000,
  `status`         tinyint(1)   NOT NULL DEFAULT 1,
  `notes`          text         NOT NULL DEFAULT '',
  `log`            mediumtext   NOT NULL DEFAULT '{}',
  `created_at`     datetime     DEFAULT NULL,
  PRIMARY KEY (`id`),
  KEY `company_id`     (`company_id`),
  KEY `contact_id`     (`contact_id`),
  KEY `billing_number` (`billing_number`),
  KEY `status`         (`status`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb3;
", 'td_payment_billing');

run($pdo, "
CREATE TABLE IF NOT EXISTS `td_payment_billing_item` (
  `id`         int(11) unsigned NOT NULL AUTO_INCREMENT,
  `company_id` int(11)      NOT NULL DEFAULT 0,
  `billing_id` int(11) unsigned NOT NULL DEFAULT 0,
  `invoice_id` int(11) unsigned NOT NULL DEFAULT 0,
  `doc_type`   varchar(20)  NOT NULL DEFAULT '',
  `amount`     decimal(18,4) NOT NULL DEFAULT 0.0000,
  PRIMARY KEY (`id`),
  KEY `company_id` (`company_id`),
  KEY `billing_id` (`billing_id`),
  KEY `invoice_id` (`invoice_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb3;
", 'td_payment_billing_item');

run($pdo, "
CREATE TABLE IF NOT EXISTS `td_payment` (
  `id`                 int(11) unsigned NOT NULL AUTO_INCREMENT,
  `company_id`         int(11)      NOT NULL DEFAULT 0,
  `uuid`               varchar(32)  NOT NULL DEFAULT '',
  `payment_number`     varchar(50)  NOT NULL DEFAULT '',
  `contact_id`         int(11)      NOT NULL DEFAULT 0,
  `department_id`      int(11)      NOT NULL DEFAULT 0,
  `payment_billing_id` int(11) unsigned NOT NULL DEFAULT 0,
  `payment_date`       date         DEFAULT NULL,
  `payment_method`     varchar(50)  NOT NULL DEFAULT '',
  `amount`             decimal(18,4) NOT NULL DEFAULT 0.0000,
  `formula_id`         int(11)      DEFAULT NULL,
  `status`             tinyint(1)   NOT NULL DEFAULT 1,
  `notes`              text         NOT NULL DEFAULT '',
  `log`                mediumtext   NOT NULL DEFAULT '{}',
  `created_at`         datetime     DEFAULT NULL,
  PRIMARY KEY (`id`),
  KEY `company_id`         (`company_id`),
  KEY `contact_id`         (`contact_id`),
  KEY `payment_billing_id` (`payment_billing_id`),
  KEY `payment_number`     (`payment_number`),
  KEY `status`             (`status`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb3;
", 'td_payment');

run($pdo, "
CREATE TABLE IF NOT EXISTS `td_payment_item` (
  `id`            int(11) unsigned NOT NULL AUTO_INCREMENT,
  `company_id`    int(11)      NOT NULL DEFAULT 0,
  `payment_id`    int(11) unsigned NOT NULL DEFAULT 0,
  `invoice_id`    int(11) unsigned NOT NULL DEFAULT 0,
  `doc_type`      varchar(20)  NOT NULL DEFAULT '',
  `department_id` int(11)      NOT NULL DEFAULT 0,
  `amount`        decimal(18,4) NOT NULL DEFAULT 0.0000,
  PRIMARY KEY (`id`),
  KEY `company_id` (`company_id`),
  KEY `payment_id` (`payment_id`),
  KEY `invoice_id` (`invoice_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb3;
", 'td_payment_item');

run($pdo, "
CREATE TABLE IF NOT EXISTS `document_types` (
  `id`              int(11) unsigned NOT NULL AUTO_INCREMENT,
  `company_id`      int(11) NOT NULL DEFAULT 0,
  `doc_type_key`    varchar(50) NOT NULL DEFAULT '',
  `name`            varchar(100) NOT NULL DEFAULT '',
  `prefix`          varchar(20) NOT NULL DEFAULT '',
  `format_type`     enum('YY','YYMM','YYMMDD','none') NOT NULL DEFAULT 'YYMM',
  `sequence_digits` tinyint(2) unsigned NOT NULL DEFAULT 5,
  `allow_manual`    tinyint(1) NOT NULL DEFAULT 1,
  PRIMARY KEY (`id`),
  UNIQUE KEY `uq_company_doctype_prefix` (`company_id`, `doc_type_key`, `prefix`),
  KEY `company_id` (`company_id`),
  KEY `doc_type_key` (`doc_type_key`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb3;
", 'document_types');

run($pdo, "
CREATE TABLE IF NOT EXISTS `document_number_sequences` (
  `id`            int(11) unsigned NOT NULL AUTO_INCREMENT,
  `company_id`    int(11) NOT NULL DEFAULT 0,
  `prefix`        varchar(20) NOT NULL DEFAULT '',
  `format_type`   enum('YY','YYMM','YYMMDD','none') NOT NULL DEFAULT 'YYMM',
  `year`          smallint(4) unsigned NOT NULL DEFAULT 0,
  `month`         tinyint(2) unsigned NOT NULL DEFAULT 0,
  `day`           tinyint(2) unsigned NOT NULL DEFAULT 0,
  `last_sequence` int(11) unsigned NOT NULL DEFAULT 0,
  PRIMARY KEY (`id`),
  UNIQUE KEY `uq_scope` (`company_id`, `prefix`, `format_type`, `year`, `month`, `day`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb3;
", 'document_number_sequences');

// ── utf8mb4 ───────────────────────────────────────────────────────────────────
// Older tables were created as utf8mb3, which cannot hold 4-byte characters
// (emoji, some CJK). With the connection on utf8mb4 a note containing one was
// rejected by the server and the whole save rolled back. Convert whatever is
// still utf8mb3, including the per-warehouse td_stock_<id> tables, to the
// collation the existing utf8mb4 tables already use so joins keep working.
foreach ([$db1, $db2] as $db_name) {
    try {
        $st = $pdo->prepare("SELECT TABLE_COLLATION FROM information_schema.TABLES
                              WHERE TABLE_SCHEMA = ? AND TABLE_TYPE = 'BASE TABLE' AND TABLE_COLLATION LIKE 'utf8mb4\\_%'
                              GROUP BY TABLE_COLLATION ORDER BY COUNT(*) DESC LIMIT 1");
        $st->execute([$db2]);
        $target = $st->fetchColumn();
        if (!$target) {
            $target = $pdo->query("SELECT COLLATION_NAME FROM information_schema.COLLATIONS
                                    WHERE CHARACTER_SET_NAME = 'utf8mb4' AND IS_DEFAULT = 'Yes' LIMIT 1")->fetchColumn() ?: 'utf8mb4_general_ci';
        }
        if (!preg_match('/^utf8mb4_[a-z0-9_]+$/', $target)) $target = 'utf8mb4_general_ci';

        $st = $pdo->prepare("SELECT TABLE_NAME FROM information_schema.TABLES
                              WHERE TABLE_SCHEMA = ? AND TABLE_TYPE = 'BASE TABLE'
                                AND (TABLE_COLLATION LIKE 'utf8mb3\\_%' OR TABLE_COLLATION LIKE 'utf8\\_%')
                              ORDER BY TABLE_NAME");
        $st->execute([$db_name]);
        $legacy = $st->fetchAll(PDO::FETCH_COLUMN);
        if (!$legacy) { skip("utf8mb4: `{$db_name}` (already converted)"); }
        foreach ($legacy as $tbl) {
            run($pdo, "ALTER TABLE `{$db_name}`.`{$tbl}` CONVERT TO CHARACTER SET utf8mb4 COLLATE {$target}", "utf8mb4: {$db_name}.{$tbl}");
        }
        run($pdo, "ALTER DATABASE `{$db_name}` CHARACTER SET utf8mb4 COLLATE {$target}", "utf8mb4: database `{$db_name}` default");
    } catch (PDOException $e) {
        fail("utf8mb4 conversion of `{$db_name}`: " . $e->getMessage());
    }
}
$pdo->exec("USE `{$db2}`");

// td_purchase_order totals were decimal(15,2) while its lines are decimal(18,4);
// match the other document headers.
foreach (['subtotal', 'discount', 'tax', 'shipping_fee', 'grand_total'] as $col) {
    run($pdo, "ALTER TABLE `{$db2}`.`td_purchase_order` MODIFY `{$col}` decimal(18,4) NOT NULL DEFAULT 0.0000", "td_purchase_order.{$col} decimal(18,4)");
}

// ── Summary ───────────────────────────────────────────────────────────────────
$total = $ok_count + $skip_count + $err_count;
echo "\n\033[1m=== Done ===\033[0m\n";
printf("  Created : %d\n",  $ok_count);
printf("  Skipped : %d\n",  $skip_count);
printf("  Errors  : %d\n",  $err_count);
echo PHP_EOL;

if ($err_count > 0) {
    echo "\033[31mSetup completed with errors. Review the output above.\033[0m\n\n";
    exit(1);
}

echo "\033[32mSetup complete. Both databases are ready.\033[0m\n";
echo "Next step: visit /login/index.php and register the first owner account.\n\n";
exit(0);