<?php
//ini_set('display_errors', 1);
//ini_set('display_startup_errors', 1);
//error_reporting(E_ALL & ~E_NOTICE & ~E_STRICT & ~E_DEPRECATED);

if (!isset($_GET['ajaxAction'])) {

    if (isset($_GET['date_from'])) {
        $dateFrom = date("Y-m-d", strtotime($_GET['date_from']));
    } else {
        $dateFrom = date("Y-m-d");
    }

    if (isset($_GET['date_to'])) {
        $dateTo = date("Y-m-d", strtotime($_GET['date_to']));
    } else {
        $dateTo = date("Y-m-d", strtotime("+ 1 month"));
    }

    $data = loadSchedulers($dateFrom, $dateTo);

    $smarty = new Sugar_Smarty();
    $smarty->assign("data", $data);
    $smarty->assign("dateFrom", $GLOBALS['timedate']->to_display_date($dateFrom));
    $smarty->assign("dateTo", $GLOBALS['timedate']->to_display_date($dateTo));
    echo $smarty->display('modules/EcmReports/BimIT-Reports/productionSchedule/productionSchedule.tpl');
} else {
    switch ($_GET['ajaxAction']) {
        case 'saveQty':
            saveQty($_GET['id'], $_GET['qty']);
            break;
        case 'duplicatePositions':
            duplicatePositions($_GET['ids']);
            break;
        case 'removePositions':
            removePositions($_GET['ids']);
            break;
        case 'saveProductionDate':
            saveProductionDate($_GET['id'], $_GET['date']);
            break;
        case 'saveProductDescription':
            saveProductDescription($_GET['id'], $_GET['description']);
            break;
        case 'exportExcel':
            exportExcel($_GET['ids']);
            break;
        case 'exportPDF':
            exportPDF($_GET['ids']);
            break;
        case 'getRawMaterials':
            getRawMaterials($_POST['ids']);
            break;
    }
}
function loadSchedulers($dateFrom = null, $dateTo = null, $ids = null)
{
    $db = $GLOBALS['db'];
    global $app_list_strings;

    $query = "
SELECT s.id as orderId, s.document_no, s.status, s.parent_name, s.parent_id, s.send_date, s.type,
       p.code, p.name, ps.ecmproduct_id, ps.description,
       si.quantity, p.vendor_part_no as kind, p.brand, p.part_no as size, p.shape,
       p.ems_qty_in_stock as stockState, si.id as item_id, s.shipping_address_name, ps.production_date,
       ps.quantity as scheduledQuantity, ps.id as id,
       ps.main_id,
       ps_main.ecmproduct_id as main_product_id,
       p_main.code as main_product_code,
       a.id AS action_id,
       a.indeks AS action_index,
       a.category AS action_category,
       a.performance AS action_performance
FROM productionScheduler AS ps
         LEFT JOIN ecmsaleitems AS si
                   ON ps.ecmsaleitem_id = si.id
         LEFT JOIN ecmsales AS s
                   ON ps.ecmsale_id = s.id
         INNER JOIN ecmproducts AS p
                    ON ps.ecmproduct_id = p.id
         LEFT JOIN productionScheduler AS ps_main
                   ON ps.main_id = ps_main.id
         LEFT JOIN ecmproducts AS p_main
                   ON ps_main.ecmproduct_id = p_main.id
         LEFT JOIN (
    SELECT epa.ecmproduct_id, epa.ecmaction_id
    FROM ecmproductactions epa
             JOIN (
        SELECT ecmproduct_id, MIN(position) AS min_pos
        FROM ecmproductactions
        GROUP BY ecmproduct_id
    ) m
                  ON m.ecmproduct_id = epa.ecmproduct_id
                      AND m.min_pos = epa.position
) pa_first
                   ON pa_first.ecmproduct_id = p.id
         LEFT JOIN ecmactions a
                   ON a.id = pa_first.ecmaction_id
WHERE ps.deleted = 0 ";

    if ($dateFrom != null && $dateTo != null) {
        $query .= " AND (
                    (ps.production_date >= '$dateFrom' AND ps.production_date <= '$dateTo') 
                    OR ps.production_date IS NULL OR ps.production_date = '0000-00-00')";
    }

    if ($ids != null) {
        $query .= " AND ps.id IN ('" . join("','", $ids) . "')";
    }

    $query .= "GROUP BY ps.id, s.id, si.id, p.id, ps_main.id, p_main.id ";
    $query .= "ORDER BY s.delivery_date, s.register_date, s.document_no;";

    $rows = $db->query($query);
    $data = array();
    $i = 0;
    while ($r = $db->fetchByAssoc($rows)) {
        $row = array();
        $i++;
        $row['position'] = $i;
        $row['id'] = $r['id'];
        $row['productName'] = strlen($r['name']) > 55 ? substr($r['name'], 0, 55) . "..." : $r['name'];
        $row['productFullName'] = $r['name'];
        $row['productCode'] = strlen($r['code']) > 20 ? substr($r['code'], 0, 20) . "..." : $r['code'];
        $row['productFullCode'] = $r['code'];
        $row['productId'] = $r['ecmproduct_id'];
        $row['productQty'] = $r['quantity'];
        $row['qty'] = $r['scheduledQuantity'];
        $row['productKind'] = $r['kind'];
        $row['productSize'] = $r['size'];
        $row['productShape'] = $app_list_strings['ecmproducts_shape_dom'][$r['shape']];
        $row['productBrand'] = $app_list_strings['ecmproducts_brand_dom'][$r['brand']];
        $row['orderNo'] = $r['document_no'];
        $row['orderId'] = $r['orderId'];
        $row['orderStatus'] = $app_list_strings['ecmsales_status_dom'][$r['status']];
        $row['orderType'] = $app_list_strings['ecmsales_type_dom'][$r['type']];
        $row['orderParent'] = $r['parent_name'];
        $row['orderParentId'] = $r['parent_id'];
        $row['orderSendDate'] = $r['send_date'];
        $row['orderItemId'] = $r['item_id'];
        $row['description'] = strlen($r['description']) > 0 ? substr($r['description'], 0, 30) : '';
        $row['fullDescription'] = $r['description'];
        $row['shippingTo'] = ($r['shipping_address_name'] == 'Adres korespondencyjny' ? '' : $r['shipping_address_name']);
        $row['productionDate'] = $r['production_date'] == '0000-00-00' ? '' : $r['production_date'];
        $row['productStockState'] = $r['stockState'] | 0;
        $row['mainProductId'] = $r['main_product_id'];
        $row['mainProductCode'] = strlen($r['main_product_code']) > 20 ? substr($r['main_product_code'], 0, 20) . "..." : $r['main_product_code'];
        $row['mainProductFullCode'] = $r['main_product_code'];
        $row['action_id'] = $r['action_id'];
        $row['action_index'] = $r['action_index'];
        $row['action_category'] = $app_list_strings['ecmactions_category_dom'][$r['action_category']];

        $timeInHours = $r['scheduledQuantity'] / $r['action_performance'];
        $hours = floor($timeInHours);
        $minutes = round(($timeInHours - $hours) * 60);
        $row['action_time'] = sprintf('%02d:%02d', $hours, $minutes);

        $data[] = $row;
    }
    return $data;
}

function getRawMaterials($ids)
{
    $response = array();
    $idsString = join("','", $ids);
    $db = $GLOBALS['db'];
    $res = $db->query("SELECT ecmproduct_id, SUM(quantity) AS quantity FROM productionScheduler WHERE id IN ('$idsString') GROUP BY ecmproduct_id");
    $rawMaterials = array();
    while ($p = $db->fetchByAssoc($res)) {
        $rawMaterials = array_merge($rawMaterials, getProductRawMaterials($p['ecmproduct_id'], $p['quantity']));
    }

    $groupedRawMaterials = [];
    foreach ($rawMaterials as $item) {
        $productId = $item['ecmproduct_id'];
        if (!isset($groupedRawMaterials[$productId])) {
            $groupedRawMaterials[$productId] = [
                'quantity' => 0,
                'isComponent' => $item['isComponent']
            ];
        }
        $groupedRawMaterials[$productId]['quantity'] += $item['quantity'];
    }

    $rawMaterials = [];
    foreach ($groupedRawMaterials as $productId => $data) {
        $rawMaterials[] = [
            'ecmproduct_id' => $productId,
            'quantity' => $data['quantity'],
            'isComponent' => $data['isComponent'] // Include isComponent in the final array
        ];
    }


    global $app_list_strings;
    foreach ($rawMaterials as $raw) {
        $product = $db->fetchByAssoc($db->query("
                    SELECT p.id, p.code, p.name, p.group_ks, p.unit_id, p.ems_qty_in_stock as stockState,
                           GROUP_CONCAT(s.stock_address SEPARATOR ', ') AS stock_addresses
                    FROM ecmproducts AS p
                    LEFT JOIN ecmproducts_stock_addresses s ON p.id = s.ecmproduct_id
                    WHERE p.id='" . $raw['ecmproduct_id'] . "' 
                    GROUP BY p.id
                "));
        $result['id'] = $product['id'];
        $result['name'] = strlen($product['name']) > 55 ? substr($product['name'], 0, 55) . "..." : $product['name'];
        $result['fullName'] = $product['name'];
        $result['code'] = strlen($product['code']) > 55 ? substr($product['code'], 0, 20) . "..." : $product['code'];
        $result['fullCode'] = $product['code'];
        $result['quantity'] = $raw['quantity'];
        $result['isComponent'] = $raw['isComponent'];
        $result['unit'] = $app_list_strings['ecmproducts_unit_dom'][$product['unit_id']];
        $result['stockState'] = (!empty($product['stockState'])) ? $product['stockState'] : 0;
        $result['stockAddress'] = (!empty($product['stock_addresses'])) ? $product['stock_addresses'] : "";
        $response[] = $result;
    }
    echo json_encode($response);
}

function getProductRawMaterials($productId, $quantity)
{
    $db = $GLOBALS['db'];
    $response = array();
    $componentsQuery = "SELECT
    c.ecmcomponent_id,
    c.quantity,
    (
        SELECT COUNT(*)
        FROM ecmproductcomponents as nested
        WHERE nested.ecmproduct_id = c.ecmcomponent_id
    ) as nested_components_count
FROM
    ecmproductcomponents as c
WHERE
    c.ecmproduct_id = '$productId'";

    $crows = $db->query($componentsQuery);

    while ($c = $db->fetchByAssoc($crows)) {
        $response[] = array(
            'ecmproduct_id' => $c['ecmcomponent_id'],
            'quantity' => $quantity * $c['quantity'],
            'isComponent' => $c['nested_components_count'] > 0
        );
    }
    return $response;
}

function saveQty($id, $qty)
{
    $db = $GLOBALS['db'];
    $query = sprintf("UPDATE productionScheduler SET quantity='%d' WHERE id='%s'", $qty, $id);
    $db->query($query);
}

function duplicatePositions($ids)
{
    $db = $GLOBALS['db'];
    global $current_user;
    $ids = explode("|", $ids);
    foreach ($ids as $id) {
        $res = $db->fetchByAssoc($db->query("SELECT * FROM productionScheduler WHERE id ='$id'"));
        $query = sprintf("INSERT INTO productionScheduler VALUES ('%s', '%s', '%s', '%s', '%d', NOW(), NOW(), '%s', '%s', 0, '%s', '%d', '%s', '%s');",
            generateUuidV4(), $res['main_id'], $res['ecmsaleitem_id'], $res['ecmsale_id'], $res['quantity'], $current_user->id, $current_user->id, $res['ecmproduct_id'],
            $res['is_component'], $res['production_date'], $res['description']);
        $db->query($query);
    }
}

function removePositions($ids)
{
    $db = $GLOBALS['db'];
    global $current_user;
    $ids = explode("|", $ids);
    $query = sprintf("UPDATE productionScheduler SET deleted=1, modified_user_id='%s', date_modified=NOW() WHERE id IN ('%s')",
        $current_user->id, join("','", $ids));
    $db->query($query);
}

function saveProductionDate($id, $date)
{
    $db = $GLOBALS['db'];
    $date = date("Y-m-d", strtotime($date));
    if ($date == '1970-01-01') {
        $db->query("UPDATE productionScheduler SET production_date=NULL WHERE id='$id'");
    } else {
        $db->query("UPDATE productionScheduler SET production_date='$date' WHERE id='$id'");
    }
}

function saveProductDescription($id, $description)
{
    $db = $GLOBALS['db'];
    $description = mysql_escape_string($description);
    $db->query("UPDATE productionScheduler SET description='$description' WHERE id='$id'");
    echo "UPDATE productionScheduler SET description='$description' WHERE id='$id'";
}

function exportExcel($ids)
{
    $headers = [
        'Indeks', 'Nazwa', 'Data produkcji', 'Ilość', 'Ilość ZS', 'Stan', 'ZS E5', 'Typ',
        'Status', 'Produkt główny', 'Odbiorca', 'Forma', 'Marka', 'Data wysyłki', 'Uwagi'
    ];

    $sheetData = [$headers];

    $ids = explode("|", $ids);
    $data = loadSchedulers(null, null, $ids);

    foreach ($data as $row) {
        $sheetRow = [];
        $sheetRow[] = $row['productFullCode'];
        $sheetRow[] = $row['productFullName'];
        $sheetRow[] = $row['productionDate'];
        $sheetRow[] = $row['qty'];
        $sheetRow[] = $row['productQty'];
        $sheetRow[] = $row['productStockState'];
        $sheetRow[] = $row['orderNo'];
        $sheetRow[] = $row['orderType'];
        $sheetRow[] = $row['orderStatus'];
        $sheetRow[] = $row['mainProductCode'];
        $sheetRow[] = $row['shippingTo'];
        $sheetRow[] = $row['productShape'];
        $sheetRow[] = $row['productBrand'];
        $sheetRow[] = $row['orderSendDate'];
        $sheetRow[] = $row['fullDescription'];
        $sheetData[] = $sheetRow;
    }

    require_once 'modules/EcmReports/BimIT-Reports/lib/xlsxGenerator.php';

    $xlsx = Shuchkin\SimpleXLSXGen::fromArray($sheetData);
    $xlsx_content = (string)$xlsx;

    header('Content-Type: application/json');
    echo json_encode([
        'success' => true,
        'fileContent' => base64_encode($xlsx_content),
        'fileName' => 'harmonogram_produkcji.xlsx'
    ]);

}

function exportPDF($ids)
{
    require_once 'modules/EcmReports/BimIT-Reports/lib/tcpdf/tcpdf.php';

    $pdf = new TCPDF('L', 'mm', 'A4', true, 'UTF-8');

    $pdf->SetCreator('CRM E5');
    $pdf->SetAuthor('System E5');
    $pdf->SetTitle('Harmonogram produkcji');

    $pdf->setPrintHeader(false);
    $pdf->setPrintFooter(false);

    $pdf->AddPage();

    $pdf->SetFont('dejavusans', '', 5);

    $headers = [
        'Indeks', 'Nazwa', 'Data produkcji', 'Ilość', 'Ilość ZS', 'Stan', 'ZS E5', 'Typ',
        'Status', 'Produkt główny', 'Odbiorca', 'Forma', 'Marka', 'Data wysyłki', 'Uwagi'
    ];

    $ids = explode("|", $ids);
    $data = loadSchedulers(null, null, $ids);

    $widths = [20, 30, 20, 15, 15, 15, 15, 15, 20, 20, 25, 15, 15, 20, 20];

    $pdf->SetFillColor(224, 224, 224);

    $pdf->SetFont('dejavusans', 'B', 5);
    $pdf->Cell($widths[0], 10, $headers[0], 1, 0, 'C', 1);
    $pdf->Cell($widths[1], 10, $headers[1], 1, 0, 'C', 1);
    $pdf->Cell($widths[2], 10, $headers[2], 1, 0, 'C', 1);
    $pdf->Cell($widths[3], 10, $headers[3], 1, 0, 'C', 1);
    $pdf->Cell($widths[4], 10, $headers[4], 1, 0, 'C', 1);
    $pdf->Cell($widths[5], 10, $headers[5], 1, 0, 'C', 1);
    $pdf->Cell($widths[6], 10, $headers[6], 1, 0, 'C', 1);
    $pdf->Cell($widths[7], 10, $headers[7], 1, 0, 'C', 1);
    $pdf->Cell($widths[8], 10, $headers[8], 1, 0, 'C', 1);
    $pdf->Cell($widths[9], 10, $headers[9], 1, 0, 'C', 1);
    $pdf->Cell($widths[10], 10, $headers[10], 1, 0, 'C', 1);
    $pdf->Cell($widths[11], 10, $headers[11], 1, 0, 'C', 1);
    $pdf->Cell($widths[12], 10, $headers[12], 1, 0, 'C', 1);
    $pdf->Cell($widths[13], 10, $headers[13], 1, 0, 'C', 1);
    $pdf->Cell($widths[14], 10, $headers[14], 1, 1, 'C', 1);

    $pdf->SetFont('dejavusans', '', 5);
    $pdf->SetFillColor(255, 255, 255);

    foreach ($data as $row) {
        if ($pdf->getY() > 250) {
            $pdf->AddPage();

            $pdf->SetFont('dejavusans', 'B', 10);
            $pdf->SetFillColor(224, 224, 224);
            $pdf->Cell($widths[0], 10, $headers[0], 1, 0, 'C', 1);
            $pdf->Cell($widths[1], 10, $headers[1], 1, 0, 'C', 1);
            $pdf->Cell($widths[2], 10, $headers[2], 1, 0, 'C', 1);
            $pdf->Cell($widths[3], 10, $headers[3], 1, 0, 'C', 1);
            $pdf->Cell($widths[4], 10, $headers[4], 1, 0, 'C', 1);
            $pdf->Cell($widths[5], 10, $headers[5], 1, 0, 'C', 1);
            $pdf->Cell($widths[6], 10, $headers[6], 1, 0, 'C', 1);
            $pdf->Cell($widths[7], 10, $headers[7], 1, 0, 'C', 1);
            $pdf->Cell($widths[8], 10, $headers[8], 1, 0, 'C', 1);
            $pdf->Cell($widths[9], 10, $headers[9], 1, 0, 'C', 1);
            $pdf->Cell($widths[10], 10, $headers[10], 1, 0, 'C', 1);
            $pdf->Cell($widths[11], 10, $headers[11], 1, 0, 'C', 1);
            $pdf->Cell($widths[12], 10, $headers[12], 1, 0, 'C', 1);
            $pdf->Cell($widths[13], 10, $headers[13], 1, 0, 'C', 1);
            $pdf->Cell($widths[14], 10, $headers[14], 1, 1, 'C', 1);
            $pdf->SetFont('dejavusans', '', 9);
            $pdf->SetFillColor(255, 255, 255);
        }

        $startY = $pdf->GetY();
        $currentPage = $pdf->getPage();

        $pdf->MultiCell($widths[0], 10, $row['productFullCode'], 1, 'L', 1, 0);

        if ($currentPage != $pdf->getPage()) {
            $startY = $pdf->GetY();
            $currentPage = $pdf->getPage();
        }

        $pdf->SetXY($pdf->GetX(), $startY);
        $pdf->MultiCell($widths[1], 10, $row['productFullName'], 1, 'L', 1, 0);

        $pdf->SetXY($pdf->GetX(), $startY);
        $pdf->Cell($widths[2], 10, $row['productionDate'], 1, 0, 'L', 1);
        $pdf->Cell($widths[3], 10, $row['qty'], 1, 0, 'R', 1);
        $pdf->Cell($widths[4], 10, $row['productQty'], 1, 0, 'R', 1);
        $pdf->Cell($widths[5], 10, $row['productStockState'], 1, 0, 'R', 1);
        $pdf->Cell($widths[6], 10, $row['orderNo'], 1, 0, 'L', 1);
        $pdf->Cell($widths[7], 10, $row['orderType'], 1, 0, 'L', 1);
        $pdf->Cell($widths[8], 10, $row['orderStatus'], 1, 0, 'L', 1);
        $pdf->Cell($widths[9], 10, $row['mainProductCode'], 1, 0, 'L', 1);
        $pdf->Cell($widths[10], 10, $row['shippingTo'], 1, 0, 'L', 1);
        $pdf->Cell($widths[11], 10, $row['productShape'], 1, 0, 'L', 1);
        $pdf->Cell($widths[12], 10, $row['productBrand'], 1, 0, 'L', 1);
        $pdf->Cell($widths[13], 10, $row['orderSendDate'], 1, 0, 'L', 1);
        $pdf->Cell($widths[14], 10, $row['fullDescription'], 1, 1, 'L', 1);
    }

    $pdf_content = $pdf->Output('', 'S');

    header('Content-Type: application/json');
    echo json_encode([
        'success' => true,
        'fileContent' => base64_encode($pdf_content),
        'fileName' => 'harmonogram_produkcji.pdf'
    ]);
}

function generateUuidV4()
{
    $data = openssl_random_pseudo_bytes(16);
    $data[6] = chr(ord($data[6]) & 0x0f | 0x40);
    $data[8] = chr(ord($data[8]) & 0x3f | 0x80);
    return vsprintf('%s%s-%s-%s-%s-%s%s%s', str_split(bin2hex($data), 4));
}