<?php
// insurance.php – Versicherungsgeräte (liegt in /dist)
require('../config.php');
require('../EpiApi.php');
require_once __DIR__ . '/../vendor/autoload.php'; // PhpSpreadsheet Autoload
date_default_timezone_set('Europe/Berlin');

$Epi = new Epirent();

function formatEuro(float $amount): string {
    $formatted = number_format(abs($amount), 2, ',', '.') . ' €';
    return $amount < 0 ? '-' . $formatted : $formatted;
}

/* =========================
   Excel-Export: Konfiguration
   ========================= */
$EXCEL_CUSTOM_HEADER = [
    ['EpiWebview – Versicherungsgeräte'],
    ['Exportdatum: ' . date('d.m.Y H:i') . '  |  Mandant: ' . (defined('Epirent_Mandant') ? Epirent_Mandant : '')]
];
$EXCEL_COLS = ['#','Name','Warengruppe(n)','Versicherung netto','Seriennummer','Anschaffung','Kaufpreis','Besitzer'];

/* =========================
   1) Daten einmalig holen & Zeilen bauen
   ========================= */
$result = $Epi->requestEpiApi('/v1/product/all?ia=true&ir=true&cl=' . Epirent_Mandant);
$productList = json_decode($result)->payload;

$filteredProductArray = [];
foreach ($productList as $product) {
    if ($product->is_stock_control && $product->is_stock_single_entry && !$product->is_virtual) {
        if (!empty($product->stock_data[0]->stock_rent) && $product->stock_data[0]->stock_rent > 0) {
            $filteredProductArray[] = $product;
        }
    }
}

$rows = [];
foreach ($filteredProductArray as $filteredProduct) {
    $detailRes = $Epi->requestEpiApi('/v1/product/' . $filteredProduct->primary_key . '?cl=' . Epirent_Mandant);
    $insuredProduct = json_decode($detailRes)->payload[0] ?? null;

    if (!$insuredProduct || empty($insuredProduct->pricing) || !isset($insuredProduct->pricing->insurance_net)) {
        continue;
    }
    if ((float)$insuredProduct->pricing->insurance_net == 0.0) {
        continue;
    }

    // Materials
    $MaterialList = "";
    if (!empty($insuredProduct->materials)) {
        foreach ($insuredProduct->materials as $material) {
            if ($MaterialList !== "") $MaterialList .= ", ";
            if (!empty($material->is_free_material) && $material->is_free_material) {
                $MaterialList .= $material->name;
            } else {
                $materialResult = $Epi->requestEpiApi('/v1/product/' . $material->mat_product_pk . '?cl=' . Epirent_Mandant);
                $materialProductObject = json_decode($materialResult)->payload[0] ?? null;
                $MaterialList .= $materialProductObject ? $materialProductObject->name : '';
            }
        }
    }

    // Warengruppen
    $groupOfGoodsList = "";
    if (!empty($insuredProduct->group_of_goods)) {
        foreach ($insuredProduct->group_of_goods as $groupOfGoods) {
            if ($groupOfGoodsList !== "") $groupOfGoodsList .= ", ";
            $groupOfGoodsList .= str_replace(";", "->", $groupOfGoods->sequence_name);
        }
    }

    // Geräte (Stocks) nur einmal je Produkt
    $stockRes = $Epi->requestEpiApi('/v1/stock/filter?ppk=' . $insuredProduct->primary_key . '&cl=' . Epirent_Mandant);
    $deviceStockObjectArray = json_decode($stockRes)->payload ?? [];

    foreach ($deviceStockObjectArray as $device) {
        if(!$device->is_sorted_out){
        $rows[] = [
            'pk'            => $insuredProduct->product_no,
            'name'          => $insuredProduct->name,
            'materials'     => $MaterialList,
            'groups'        => $groupOfGoodsList,
            'insurance_net' => (float)$insuredProduct->pricing->insurance_net,
            'serial_no'     => (string)($device->serial_no ?? ''),
            'date_purchase' => (string)($device->date_purchase ?? ''),
            'purchase_price'=> (float)($device->purchase_price ?? 0.0),
            'owner'         => (string)($device->owner ?? ''),
        ];
        }
    }
}

/* =========================
   2) XLSX sofort erzeugen (ohne setCellValueByColumnAndRow)
   ========================= */
use PhpOffice\PhpSpreadsheet\Spreadsheet;
use PhpOffice\PhpSpreadsheet\Writer\Xlsx;
use PhpOffice\PhpSpreadsheet\Style\Alignment;
use PhpOffice\PhpSpreadsheet\Cell\Coordinate;
use PhpOffice\PhpSpreadsheet\Cell\DataType;
use PhpOffice\PhpSpreadsheet\Shared\Date as ExcelDate;
use PhpOffice\PhpSpreadsheet\Style\Fill;

$exportDir = __DIR__ . '/exports';
if (!is_dir($exportDir)) {
    @mkdir($exportDir, 0775, true);
}

$timestamp = date('Ymd_His');
$excelFileName = "Versicherungsgeraete_{$timestamp}.xlsx";
$excelFilePath = $exportDir . '/' . $excelFileName;
$excelDownloadUrl = 'exports/' . $excelFileName;

$spreadsheet = new Spreadsheet();
$sheet = $spreadsheet->getActiveSheet();
$sheet->setTitle('Versicherungsgeräte');

// kleine Helfer zum Adressieren per Spaltenbuchstaben
$cell = function(int $colIndex, int $rowIndex): string {
    return Coordinate::stringFromColumnIndex($colIndex) . $rowIndex;
};

$colCount = count($EXCEL_COLS);
$lastCol  = Coordinate::stringFromColumnIndex($colCount);

// Spaltenindex-Konstanten für Summen
$INSURANCE_COL = 4; // "Versicherung netto"
$PURCHASE_COL  = 7; // "Kaufpreis"

// Custom Header
$rowIdx = 1;
foreach ($EXCEL_CUSTOM_HEADER as $hdrLine) {
    $text = implode(' ', $hdrLine);
    $sheet->setCellValue($cell(1, $rowIdx), $text);
    $sheet->mergeCells($cell(1, $rowIdx) . ':' . $cell($colCount, $rowIdx));
    $sheet->getStyle($cell(1, $rowIdx) . ':' . $cell($colCount, $rowIdx))
          ->getAlignment()->setHorizontal(Alignment::HORIZONTAL_CENTER);
    $sheet->getStyle($cell(1, $rowIdx) . ':' . $cell($colCount, $rowIdx))
          ->getFont()->setBold(true)->setSize($rowIdx === 1 ? 14 : 11);
    $rowIdx++;
}
$rowIdx++;

// Tabellen-Header
foreach ($EXCEL_COLS as $i => $label) {
    $addr = $cell($i+1, $rowIdx);
    $sheet->setCellValue($addr, $label);
    $sheet->getStyle($addr)->getFont()->setBold(true);
    $sheet->getStyle($addr)->getAlignment()->setHorizontal(Alignment::HORIZONTAL_CENTER);
    $sheet->getColumnDimension(Coordinate::stringFromColumnIndex($i+1))->setAutoSize(true);
}
$headerRow = $rowIdx;
$rowIdx++;

// Daten
$dataStartRow = $rowIdx;
foreach ($rows as $r) {
    $c = 1;

    // #
    $sheet->setCellValue($cell($c++, $rowIdx), $r['pk']);

    // Name (+ Materials)
    $nameOut = $r['name'] . ($r['materials'] ? " | {$r['materials']}" : "");
    $sheet->setCellValue($cell($c++, $rowIdx), $nameOut);

    // Warengruppen
    $sheet->setCellValue($cell($c++, $rowIdx), $r['groups']);

    // Versicherung netto (numerisch, EU-Format)
    $sheet->setCellValueExplicit($cell($c, $rowIdx), (float)$r['insurance_net'], DataType::TYPE_NUMERIC);
    $sheet->getStyle($cell($c, $rowIdx))->getNumberFormat()->setFormatCode('#,##0.00 [$€-de-DE]');
    $c++;

    // Seriennummer
    $sheet->setCellValue($cell($c++, $rowIdx), $r['serial_no']);

    // Anschaffung (Datum)
    $excelDate = '';
    if (!empty($r['date_purchase'])) {
        $ts = strtotime($r['date_purchase']);
        if ($ts !== false) {
            $excelDate = ExcelDate::PHPToExcel($ts);
        }
    }
    if ($excelDate !== '') {
        $sheet->setCellValue($cell($c, $rowIdx), $excelDate);
        $sheet->getStyle($cell($c, $rowIdx))->getNumberFormat()->setFormatCode('dd.mm.yyyy');
    } else {
        $sheet->setCellValue($cell($c, $rowIdx), '');
    }
    $c++;

    // Kaufpreis (numerisch, EU-Format)
    $sheet->setCellValueExplicit($cell($c, $rowIdx), abs((float)$r['purchase_price']), DataType::TYPE_NUMERIC);
    $sheet->getStyle($cell($c, $rowIdx))->getNumberFormat()->setFormatCode('#,##0.00 [$€-de-DE]');
    $c++;

    // Besitzer
    $sheet->setCellValue($cell($c++, $rowIdx), $r['owner']);

    $rowIdx++;
}
$dataEndRow = $rowIdx - 1;

/* === Summenzeile mit grauer Hinterlegung === */
$totalRow = $rowIdx + 1;

// Label in Spalte A
$sheet->setCellValue($cell(1, $totalRow), 'Gesamtsummen:');
$sheet->getStyle($cell(1, $totalRow))->getFont()->setBold(true);

// SUM-Formel Versicherung netto (Spalte 4)
$insColLetter = Coordinate::stringFromColumnIndex($INSURANCE_COL);
$sheet->setCellValue(
    $cell($INSURANCE_COL, $totalRow),
    "=SUM({$insColLetter}{$dataStartRow}:{$insColLetter}{$dataEndRow})"
);
$sheet->getStyle($cell($INSURANCE_COL, $totalRow))
      ->getNumberFormat()->setFormatCode('#,##0.00 [$€-de-DE]');
$sheet->getStyle($cell($INSURANCE_COL, $totalRow))->getFont()->setBold(true);

// SUM-Formel Kaufpreis (Spalte 7)
$purColLetter = Coordinate::stringFromColumnIndex($PURCHASE_COL);
$sheet->setCellValue(
    $cell($PURCHASE_COL, $totalRow),
    "=SUM({$purColLetter}{$dataStartRow}:{$purColLetter}{$dataEndRow})"
);
$sheet->getStyle($cell($PURCHASE_COL, $totalRow))
      ->getNumberFormat()->setFormatCode('#,##0.00 [$€-de-DE]');
$sheet->getStyle($cell($PURCHASE_COL, $totalRow))->getFont()->setBold(true);

// graue Hinterlegung über die ganze Summenzeile
$sheet->getStyle($cell(1, $totalRow) . ':' . $cell($colCount, $totalRow))
      ->getFill()->setFillType(Fill::FILL_SOLID)->getStartColor()->setARGB('FFEFEFEF');

// Filter + Freeze
$sheet->setAutoFilter("A{$headerRow}:{$lastCol}{$headerRow}");
$sheet->freezePane("A" . ($headerRow + 1));

// Datei speichern
$writer = new Xlsx($spreadsheet);
$writer->save($excelFilePath);

/* =========================
   3) HTML-Ausgabe (Tabelle aus $rows) + Download-Link
   ========================= */

// Summen für HTML
$totalInsurance = array_sum(array_column($rows, 'insurance_net'));
$totalPurchase  = array_sum(array_map(fn($r) => abs($r['purchase_price']), $rows));
?>
<!DOCTYPE html>
<html lang="de">
    <head>
        <meta charset="utf-8" />
        <meta http-equiv="X-UA-Compatible" content="IE=edge" />
        <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no" />
        <title>Dashboard - EpiWebview</title>

        <!-- Styles -->
        <link href="css/styles.css" rel="stylesheet" />
        <link href="https://cdn.datatables.net/1.10.20/css/dataTables.bootstrap4.min.css" rel="stylesheet" crossorigin="anonymous" />

        <!-- JS -->
        <script src="js/jquery-3.5.1.min.js"></script>
        <script src="https://kit.fontawesome.com/93d71de8bc.js" crossorigin="anonymous"></script>

        <style>
            .opacity-50 { opacity: .5; }
            .card .h2, .card .display-4 { font-weight: 700; }
            .kpi-updated { font-size: .82rem; opacity: .85; }
        </style>

        <script>
            $(function () {
                $('#layoutSidenav_nav').load('../sources/getSidenav.php');
                $('#footerholder').load('../sources/getFooter.php');
            });
        </script>
    </head>

    <body class="sb-nav-fixed">
        <nav class="sb-topnav navbar navbar-expand navbar-dark bg-dark">
            <a class="navbar-brand" href="index.php">Epi Webview</a>
            <button class="btn btn-link btn-sm order-1 order-lg-0" id="sidebarToggle"><i class="fas fa-bars"></i></button>
        </nav>

        <div id="layoutSidenav">
            <div id="layoutSidenav_nav"></div>
            <div id="layoutSidenav_content">
                <main>
                    <div class="container-fluid">
                        <h1 class="mt-4">Versicherung</h1>
                        <ol class="breadcrumb mb-4">
                            <li class="breadcrumb-item active">Versicherung</li>
                        </ol>

                        <div class="card mb-4">
                            <div class="card-header d-flex justify-content-between align-items-center">
                                <div><i class="fas fa-table mr-1"></i> Versicherungsgeräte</div>
                                <a class="btn btn-sm btn-success" href="<?php echo htmlspecialchars($excelDownloadUrl); ?>">
                                    <i class="fas fa-file-excel"></i> Export nach Excel
                                </a>
                            </div>
                            <div class="card-body">
                                <div class="table-responsive">
                                    <table class="table table-bordered" id="dataTable" width="100%" cellspacing="0">
                                        <tr>
                                            <th scope="col">#</th>
                                            <th scope="col">Name</th>
                                            <th scope="col">Warengruppe(n)</th>
                                            <th scope="col">Versicherung netto</th>
                                            <th scope="col">Seriennummer</th>
                                            <th scope="col">Anschaffung</th>
                                            <th scope="col">Kaufpreis</th>
                                            <th scope="col">Besitzer</th>
                                        </tr>
<?php foreach ($rows as $r): ?>
    <tr>
        <th><?php echo htmlspecialchars((string) $r['pk']); ?></th>
        <th>
            <?php
                echo htmlspecialchars($r['name']);
                if (!empty($r['materials'])) {
                    echo "<br><small>" . htmlspecialchars($r['materials']) . "</small>";
                }
            ?>
        </th>
        <th><?php echo htmlspecialchars($r['groups']); ?></th>
        <th><?php echo formatEuro((float)$r['insurance_net']); ?></th>
        <th><?php echo htmlspecialchars($r['serial_no']); ?></th>
        <th>
            <?php
                $purchaseDateOut = '';
                if (!empty($r['date_purchase'])) {
                    try { $purchaseDateOut = date_format(new \DateTime($r['date_purchase']), 'd.m.Y'); } catch (\Throwable $e) {}
                }
                echo htmlspecialchars($purchaseDateOut);
            ?>
        </th>
        <th><?php echo formatEuro(abs((float)$r['purchase_price'])); ?></th>
        <th><?php echo htmlspecialchars($r['owner']); ?></th>
    </tr>
<?php endforeach; ?>

    <!-- Summenzeile in HTML -->
    <tr style="font-weight:bold; background:#f8f9fa;">
        <td colspan="3" class="text-right">Gesamtsummen:</td>
        <td><?php echo formatEuro($totalInsurance); ?></td>
        <td></td>
        <td></td>
        <td><?php echo formatEuro($totalPurchase); ?></td>
        <td></td>
    </tr>

                                    </table>
                                </div>
                            </div>
                        </div>
                    </div>
                </main>
                <div id="footerholder"></div>
            </div>
        </div>

        <!-- Bootstrap Bundle -->
        <script src="https://cdn.jsdelivr.net/npm/bootstrap@4.5.3/dist/js/bootstrap.bundle.min.js" crossorigin="anonymous"></script>
    </body>
</html>