<?php
    session_start();
    require '../../../assets/utils/db_auth.php';
    require '../../../assets/utils/classes/Reports.php';

    $report = new Reports($pdo2, $company_id);

    // Stats
    $total    = $report->getTotalCapacity();
    $occupied = $report->getSpaceUsed();
    $empty    = $total - $occupied;

    // All racks with warehouse name, product info and stock info
    $sql = "SELECT
                r.id,
                r.zone,
                r.aisle,
                r.rack,
                r.product_sku,
                r.td_stock_id,
                mw.warehouse_name,
                mw.id AS warehouse_id,
                p.product_name,
                CASE WHEN r.product_sku IS NOT NULL THEN 'occupied' ELSE 'empty' END AS status
            FROM md_rack r
            INNER JOIN md_warehouse mw
                ON  mw.company_id = r.company_id
                AND mw.id         = r.warehouse
            LEFT JOIN md_product p
                ON  p.company_id = r.company_id
                AND p.sku        = r.product_sku
            WHERE r.company_id = :company_id
            ORDER BY mw.warehouse_name, r.zone, CAST(r.aisle AS UNSIGNED), r.aisle, CAST(r.rack AS UNSIGNED), r.rack";

    $sth = $pdo2->prepare($sql);
    $sth->execute([':company_id' => $company_id]);
    db_check($sth, $answer);

    $answer['output']   = $sth->fetchAll(PDO::FETCH_ASSOC);
    $answer['total']    = $total;
    $answer['occupied'] = $occupied;
    $answer['empty']    = $empty;
    $answer['success']  = 1;
    exit(json_encode($answer));
?>