<?php
require_once __DIR__ . '/../helpers.php';
runAuth();

/**
 * Save Wizard Data
 *
 * Takes extracted menu data from the setup wizard and saves to database.
 * Creates business, address, task types/categories, stations, hours,
 * menu, categories (with subcategories), items with modifier template links,
 * and downloads item images.
 *
 * POST JSON: { businessId, userId, menuId, data: { business, categories, modifiers, items }, tempFolder }
 */

set_time_limit(300);

$response = ['OK' => false, 'steps' => [], 'errors' => []];

$itemsDir = uploadsRoot() . '/items';

/**
 * Resize image maintaining aspect ratio, fitting within maxSize box.
 */
function resizeToFit($img, int $maxSize) {
    $w = imagesx($img);
    $h = imagesy($img);
    if ($w <= $maxSize && $h <= $maxSize) return $img;

    if ($w > $h) {
        $newW = $maxSize;
        $newH = (int)($h * ($maxSize / $w));
    } else {
        $newH = $maxSize;
        $newW = (int)($w * ($maxSize / $h));
    }
    $dst = imagecreatetruecolor($newW, $newH);
    imagecopyresampled($dst, $img, 0, 0, 0, 0, $newW, $newH, $w, $h);
    imagedestroy($img);
    return $dst;
}

/**
 * Create square thumbnail (center crop).
 */
function createSquareThumb($img, int $size) {
    $w = imagesx($img);
    $h = imagesy($img);

    // Resize so smallest dimension equals size
    if ($w > $h) {
        $newH = $size;
        $newW = (int)($w * ($size / $h));
    } else {
        $newW = $size;
        $newH = (int)($h * ($size / $w));
    }
    $resized = imagecreatetruecolor($newW, $newH);
    imagecopyresampled($resized, $img, 0, 0, 0, 0, $newW, $newH, $w, $h);

    // Center crop to square
    $w2 = imagesx($resized);
    $h2 = imagesy($resized);
    $x = ($w2 > $h2) ? (int)(($w2 - $h2) / 2) : 0;
    $y = ($h2 > $w2) ? (int)(($h2 - $w2) / 2) : 0;
    $cropSize = min($w2, $h2);

    $thumb = imagecreatetruecolor($size, $size);
    imagecopyresampled($thumb, $resized, 0, 0, $x, $y, $size, $size, $cropSize, $cropSize);
    imagedestroy($resized);
    return $thumb;
}

/**
 * Download and save item image from URL in three sizes.
 */
function downloadItemImage(int $itemID, string $imageUrl, string $itemsDir): bool {
    try {
        $imageUrl = trim($imageUrl);
        if (empty($imageUrl)) return false;

        if (str_starts_with($imageUrl, '//')) {
            $imageUrl = 'https:' . $imageUrl;
        } elseif ($imageUrl[0] === '/') {
            return false; // Can't resolve relative URL
        }

        // Upsize DoorDash CDN thumbnails
        if (stripos($imageUrl, 'cdn4dd.com/p/') !== false && stripos($imageUrl, 'width=150') !== false) {
            $imageUrl = str_ireplace('width=150', 'width=600', $imageUrl);
            $imageUrl = str_ireplace('height=150', 'height=600', $imageUrl);
        }

        $ch = curl_init($imageUrl);
        curl_setopt_array($ch, [
            CURLOPT_RETURNTRANSFER => true,
            CURLOPT_TIMEOUT => 30,
            CURLOPT_FOLLOWLOCATION => true,
            CURLOPT_HTTPHEADER => [
                'User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36',
            ],
        ]);
        $content = curl_exec($ch);
        $httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
        $contentType = curl_getinfo($ch, CURLINFO_CONTENT_TYPE);
        curl_close($ch);

        if ($httpCode !== 200 || $content === false) return false;
        if (stripos($contentType, 'image') === false) return false;

        // Write to temp file
        $tempFile = "$itemsDir/temp_{$itemID}_" . uniqid() . '.tmp';
        file_put_contents($tempFile, $content);

        $img = imagecreatefromstring($content);
        if (!$img) {
            @unlink($tempFile);
            return false;
        }

        // Thumbnail (128x128 square)
        $thumbImg = imagecreatefromstring($content);
        $thumb = createSquareThumb($thumbImg, 128);
        imagejpeg($thumb, "$itemsDir/{$itemID}_thumb.jpg", 85);
        imagedestroy($thumb);

        // Medium (400px max)
        $medImg = imagecreatefromstring($content);
        $medium = resizeToFit($medImg, 400);
        imagejpeg($medium, "$itemsDir/{$itemID}_medium.jpg", 85);
        imagedestroy($medium);

        // Full (1200px max)
        $full = resizeToFit($img, 1200);
        imagejpeg($full, "$itemsDir/{$itemID}.jpg", 90);
        imagedestroy($full);

        @unlink($tempFile);
        return true;
    } catch (Exception $e) {
        if (isset($tempFile) && file_exists($tempFile)) @unlink($tempFile);
        return false;
    }
}

try {
    $raw = file_get_contents('php://input');
    if (empty($raw)) throw new Exception('No request body provided');

    // Clean control characters
    $raw = preg_replace('/[\x00-\x08\x0B\x0C\x0E-\x1F]/', '', $raw);

    $data = json_decode($raw, true);
    if ($data === null) {
        $response['errors'][] = 'JSON parse failed: ' . json_last_error_msg();
        jsonResponse($response);
    }

    $businessId = (int)($data['businessId'] ?? 0);
    $userId = (int)($data['userId'] ?? 0);
    $providedMenuId = (int)($data['menuId'] ?? 0);
    $wizardData = $data['data'] ?? [];
    $biz = $wizardData['business'] ?? [];

    // If no businessId, create a new business
    if ($businessId === 0) {
        $response['steps'][] = 'No businessId provided - creating new business';

        $bizName = is_string($biz['name'] ?? null) ? $biz['name'] : '';
        if (empty($bizName)) throw new Exception('Business name is required to create new business');
        if ($userId === 0) throw new Exception('userId is required to create new business');

        $bizPhone = is_string($biz['phone'] ?? null) ? trim($biz['phone']) : '';
        $bizTaxRate = is_numeric($biz['taxRatePercent'] ?? null) ? (float)$biz['taxRatePercent'] / 100 : 0;

        // Brand colors (6-digit hex without #)
        $bizBrandColor = is_string($biz['brandColor'] ?? null) ? trim($biz['brandColor']) : '';
        $bizBrandColor = ltrim($bizBrandColor, '#');
        if (!preg_match('/^[0-9A-Fa-f]{6}$/', $bizBrandColor)) $bizBrandColor = '';

        $bizBrandColorLight = is_string($biz['brandColorLight'] ?? null) ? trim($biz['brandColorLight']) : '';
        $bizBrandColorLight = ltrim($bizBrandColorLight, '#');
        if (!preg_match('/^[0-9A-Fa-f]{6}$/', $bizBrandColorLight)) $bizBrandColorLight = '';

        // Address fields
        $addressLine1 = is_string($biz['addressLine1'] ?? null) ? trim($biz['addressLine1']) : '';
        $city = is_string($biz['city'] ?? null) ? trim($biz['city']) : '';
        $state = is_string($biz['state'] ?? null) ? trim($biz['state']) : '';
        $zip = is_string($biz['zip'] ?? null) ? trim($biz['zip']) : '';

        $city = preg_replace('/[,.\s]+$/', '', $city);

        // Look up state ID
        $stateID = 0;
        $response['steps'][] = "State value received: '$state' (len: " . strlen($state) . ')';
        if (strlen($state)) {
            $qState = queryOne("SELECT ID FROM tt_States WHERE Abbreviation = ?", [strtoupper($state)]);
            $response['steps'][] = "State lookup for '" . strtoupper($state) . "' found " . ($qState ? '1' : '0') . ' records';
            if ($qState) {
                $stateID = (int)$qState['ID'];
                $response['steps'][] = "Using stateID: $stateID";
            }
        }

        // Lat/lng from Toast
        $bizLat = is_numeric($biz['latitude'] ?? null) ? (float)$biz['latitude'] : 0;
        $bizLng = is_numeric($biz['longitude'] ?? null) ? (float)$biz['longitude'] : 0;

        // Create address
        $addrParams = [
            strlen($addressLine1) ? $addressLine1 : 'Address pending',
            strlen($city) ? $city : '',
            $stateID > 0 ? $stateID : null,
            strlen($zip) ? $zip : '',
            $userId,
            2, // AddressTypeID
            $bizLat != 0 ? $bizLat : null,
            $bizLng != 0 ? $bizLng : null,
        ];
        queryTimed(
            "INSERT INTO Addresses (Line1, City, StateID, ZIPCode, UserID, AddressTypeID, Latitude, Longitude, AddedOn) VALUES (?, ?, ?, ?, ?, ?, ?, ?, NOW())",
            $addrParams
        );
        $addressId = (int)lastInsertId();
        $response['steps'][] = "Created address record (ID: $addressId)";

        // Community meal type
        $communityMealType = (int)($wizardData['communityMealType'] ?? 1);
        if ($communityMealType < 1 || $communityMealType > 2) $communityMealType = 1;

        // Create business
        queryTimed(
            "INSERT INTO Businesses (Name, Phone, UserID, AddressID, DeliveryZIPCodes, CommunityMealType, TaxRate, BrandColor, BrandColorLight, AddedOn) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, NOW())",
            [
                $bizName, $bizPhone, $userId, $addressId,
                strlen($zip) ? $zip : '',
                $communityMealType, $bizTaxRate,
                strlen($bizBrandColor) ? $bizBrandColor : null,
                strlen($bizBrandColorLight) ? $bizBrandColorLight : null,
            ]
        );
        $businessId = (int)lastInsertId();
        $response['steps'][] = "Created new business: $bizName (ID: $businessId)";

        // Link address to business
        queryTimed("UPDATE Addresses SET BusinessID = ? WHERE ID = ?", [$businessId, $addressId]);
        $response['steps'][] = 'Linked address to business';

        // Default task types
        $defaultTaskTypes = [
            ['name' => 'Call Staff', 'icon' => 'notifications', 'color' => '#9C27B0', 'description' => 'Request staff assistance'],
            ['name' => 'Chat With Staff', 'icon' => 'chat', 'color' => '#2196F3', 'description' => 'Open a chat conversation'],
            ['name' => 'Pay With Cash', 'icon' => 'payments', 'color' => '#4CAF50', 'description' => 'Request to pay with cash'],
            ['name' => 'Deliver to Table', 'icon' => 'restaurant', 'color' => '#FF9800', 'description' => 'Deliver completed order to table'],
            ['name' => 'Order Ready for Pickup', 'icon' => 'shopping_bag', 'color' => '#00BCD4', 'description' => 'Notify customer their order is ready'],
            ['name' => 'Deliver to Address', 'icon' => 'local_shipping', 'color' => '#795548', 'description' => 'Deliver order to customer address'],
        ];

        foreach ($defaultTaskTypes as $sortOrder => $tt) {
            queryTimed(
                "INSERT INTO tt_TaskTypes (Name, Description, Icon, Color, BusinessID, SortOrder) VALUES (?, ?, ?, ?, ?, ?)",
                [$tt['name'], $tt['description'], $tt['icon'], $tt['color'], $businessId, $sortOrder + 1]
            );
        }
        $response['steps'][] = 'Created 6 default task types';

        // Default task categories
        $defaultTaskCategories = [
            ['name' => 'Service Point', 'color' => '#F44336'],
            ['name' => 'Kitchen', 'color' => '#FF9800'],
            ['name' => 'Bar', 'color' => '#9C27B0'],
            ['name' => 'Cleaning', 'color' => '#4CAF50'],
            ['name' => 'Management', 'color' => '#2196F3'],
            ['name' => 'Delivery', 'color' => '#00BCD4'],
            ['name' => 'General', 'color' => '#607D8B'],
        ];

        foreach ($defaultTaskCategories as $tc) {
            queryTimed(
                "INSERT INTO TaskCategories (BusinessID, Name, Color) VALUES (?, ?, ?)",
                [$businessId, $tc['name'], $tc['color']]
            );
        }
        $response['steps'][] = 'Created 7 default task categories';

        // Default kitchen station
        queryTimed(
            "INSERT INTO Stations (BusinessID, Name, Color, SortOrder) VALUES (?, 'Kitchen', '#FF9800', 1)",
            [$businessId]
        );
        $response['steps'][] = 'Created default Kitchen station';

        // Save business hours
        if (!empty($biz['hoursSchedule']) && is_array($biz['hoursSchedule'])) {
            $hoursSchedule = $biz['hoursSchedule'];
            $response['steps'][] = 'Processing ' . count($hoursSchedule) . ' days of hours';

            foreach ($hoursSchedule as $dayData) {
                if (!is_array($dayData)) continue;
                $dayID = (int)($dayData['dayId'] ?? 0);
                $openTime = is_string($dayData['open'] ?? null) ? $dayData['open'] : '09:00';
                $closeTime = is_string($dayData['close'] ?? null) ? $dayData['close'] : '17:00';

                if (strlen($openTime) === 5) $openTime .= ':00';
                if (strlen($closeTime) === 5) $closeTime .= ':00';

                queryTimed(
                    "INSERT INTO Hours (BusinessID, DayID, OpenTime, ClosingTime) VALUES (?, ?, ?, ?)",
                    [$businessId, $dayID, $openTime, $closeTime]
                );
            }
            $response['steps'][] = 'Created ' . count($hoursSchedule) . ' hours records';
        }
    } else {
        // Verify existing business
        $qBiz = queryOne("SELECT ID, Name AS BusinessName FROM Businesses WHERE ID = ?", [$businessId]);
        if (!$qBiz) throw new Exception("Business not found: $businessId");
        $response['steps'][] = 'Found existing business: ' . $qBiz['BusinessName'];
    }

    // Build modifier template map
    $modTemplates = $wizardData['modifiers'] ?? [];
    $templateMap = [];

    $response['steps'][] = 'Processing ' . count($modTemplates) . ' modifier templates...';

    foreach ($modTemplates as $i => $tmpl) {
        $tmplName = is_string($tmpl['name'] ?? null) ? $tmpl['name'] : '';
        if (empty($tmplName)) {
            $response['steps'][] = "Warning: Skipping modifier template with no name at index $i";
            continue;
        }
        $required = !empty($tmpl['required']);
        $options = is_array($tmpl['options'] ?? null) ? $tmpl['options'] : [];
        $tmplType = is_string($tmpl['type'] ?? null) ? $tmpl['type'] : 'select';
        $maxSel = ($tmplType === 'checkbox') ? 0 : 1;

        $response['steps'][] = "Template '$tmplName' has " . count($options) . ' options (type: ' . (is_array($options) ? 'array' : 'other') . ')';

        // Check if template exists
        $qTmpl = queryOne(
            "SELECT ID FROM Items WHERE BusinessID = ? AND Name = ? AND ParentItemID = 0 AND CategoryID = 0",
            [$businessId, $tmplName]
        );

        if ($qTmpl) {
            $templateItemID = (int)$qTmpl['ID'];
            $response['steps'][] = "Template exists: $tmplName (ID: $templateItemID)";
        } else {
            queryTimed(
                "INSERT INTO Items (BusinessID, Name, ParentItemID, CategoryID, Price, IsActive, RequiresChildSelection, MaxNumSelectionReq, SortOrder) VALUES (?, ?, 0, 0, 0, 1, ?, ?, 0)",
                [$businessId, $tmplName, $required ? 1 : 0, $maxSel]
            );
            $templateItemID = (int)lastInsertId();
            $response['steps'][] = "Created template: $tmplName (ID: $templateItemID)";
        }

        $templateMap[$tmplName] = $templateItemID;

        // Create/update template options
        $optionOrder = 1;
        foreach ($options as $opt) {
            if (!is_array($opt)) continue;
            if (!is_string($opt['name'] ?? null) || empty($opt['name'])) continue;

            $optName = $opt['name'];
            $optPrice = is_numeric($opt['price'] ?? null) ? (float)$opt['price'] : 0;
            $optSelected = !empty($opt['selected']) ? 1 : 0;

            $qOpt = queryOne(
                "SELECT ID FROM Items WHERE BusinessID = ? AND Name = ? AND ParentItemID = ?",
                [$businessId, $optName, $templateItemID]
            );

            if (!$qOpt) {
                queryTimed(
                    "INSERT INTO Items (BusinessID, Name, ParentItemID, CategoryID, Price, IsActive, IsCheckedByDefault, SortOrder) VALUES (?, ?, ?, 0, ?, 1, ?, ?)",
                    [$businessId, $optName, $templateItemID, $optPrice, $optSelected, $optionOrder]
                );
            }
            $optionOrder++;
        }
    }

    // Determine menu(s) to create
    $selectedMenus = $wizardData['selectedMenus'] ?? [];
    $isMultiMenu = !empty($selectedMenus) && count($selectedMenus) > 1;

    // Build list of menus to process
    $menusToProcess = [];
    if ($providedMenuId > 0) {
        $qName = queryOne("SELECT Name FROM Menus WHERE ID = ?", [$providedMenuId]);
        $menusToProcess[] = ['id' => $providedMenuId, 'name' => $qName ? $qName['Name'] : "Menu $providedMenuId"];
        $response['steps'][] = "Using provided menu: " . $menusToProcess[0]['name'] . " (ID: $providedMenuId)";
    } elseif ($isMultiMenu) {
        $menuOrder = 0;
        foreach ($selectedMenus as $smName) {
            $smName = trim($smName);
            if (empty($smName)) continue;

            $qMenu = queryOne(
                "SELECT ID FROM Menus WHERE BusinessID = ? AND Name = ? AND IsActive = 1",
                [$businessId, $smName]
            );
            if ($qMenu) {
                $menusToProcess[] = ['id' => (int)$qMenu['ID'], 'name' => $smName];
                $response['steps'][] = "Using existing menu: $smName (ID: {$qMenu['ID']})";
            } else {
                queryTimed(
                    "INSERT INTO Menus (BusinessID, Name, DaysActive, StartTime, EndTime, SortOrder, IsActive, AddedOn) VALUES (?, ?, 127, NULL, NULL, ?, 1, NOW())",
                    [$businessId, $smName, $menuOrder]
                );
                $newMenuId = (int)lastInsertId();
                $menusToProcess[] = ['id' => $newMenuId, 'name' => $smName];
                $response['steps'][] = "Created menu: $smName (ID: $newMenuId)";
            }
            $menuOrder++;
        }
    } else {
        $menuName = is_string($wizardData['menuName'] ?? null) && strlen(trim($wizardData['menuName'] ?? ''))
            ? trim($wizardData['menuName'])
            : 'Main Menu';

        $menuStartTime = is_string($wizardData['menuStartTime'] ?? null) ? trim($wizardData['menuStartTime']) : '';
        $menuEndTime = is_string($wizardData['menuEndTime'] ?? null) ? trim($wizardData['menuEndTime']) : '';

        if (strlen($menuStartTime) === 5) $menuStartTime .= ':00';
        if (strlen($menuEndTime) === 5) $menuEndTime .= ':00';

        // Validate menu hours against business hours
        if (strlen($menuStartTime) && strlen($menuEndTime)) {
            $qHours = queryOne(
                "SELECT MIN(OpenTime) AS earliestOpen, MAX(ClosingTime) AS latestClose FROM Hours WHERE BusinessID = ?",
                [$businessId]
            );
            if ($qHours && $qHours['earliestOpen'] !== null && $qHours['latestClose'] !== null) {
                $earliestOpen = substr($qHours['earliestOpen'], 0, 8);
                $latestClose = substr($qHours['latestClose'], 0, 8);
                if ($menuStartTime < $earliestOpen || $menuEndTime > $latestClose) {
                    throw new Exception("Menu hours ($menuStartTime - $menuEndTime) must be within business operating hours ($earliestOpen - $latestClose)");
                }
                $response['steps'][] = "Validated menu hours against business hours ($earliestOpen - $latestClose)";
            }
        }

        $qMenu = queryOne(
            "SELECT ID FROM Menus WHERE BusinessID = ? AND Name = ? AND IsActive = 1",
            [$businessId, $menuName]
        );

        if ($qMenu) {
            $menuID = (int)$qMenu['ID'];
            if (strlen($menuStartTime) && strlen($menuEndTime)) {
                queryTimed("UPDATE Menus SET StartTime = ?, EndTime = ? WHERE ID = ?", [$menuStartTime, $menuEndTime, $menuID]);
                $response['steps'][] = "Updated existing menu: $menuName (ID: $menuID) with hours $menuStartTime - $menuEndTime";
            } else {
                $response['steps'][] = "Using existing menu: $menuName (ID: $menuID)";
            }
        } else {
            queryTimed(
                "INSERT INTO Menus (BusinessID, Name, DaysActive, StartTime, EndTime, SortOrder, IsActive, AddedOn) VALUES (?, ?, 127, ?, ?, 0, 1, NOW())",
                [$businessId, $menuName, strlen($menuStartTime) ? $menuStartTime : null, strlen($menuEndTime) ? $menuEndTime : null]
            );
            $menuID = (int)lastInsertId();
            $timeInfo = (strlen($menuStartTime) && strlen($menuEndTime)) ? " ($menuStartTime - $menuEndTime)" : ' (all day)';
            $response['steps'][] = "Created menu: $menuName$timeInfo (ID: $menuID)";
        }
        $menusToProcess[] = ['id' => $menuID, 'name' => $menuName];
    }

    // For single menu, use the first (only) entry
    if (!$isMultiMenu) {
        $menuID = $menusToProcess[0]['id'];
        $menuName = $menusToProcess[0]['name'];
    }

    // Build category map
    $categories = $wizardData['categories'] ?? [];
    $categoryMap = [];

    $response['steps'][] = 'Processing ' . count($categories) . ' categories...';

    // For multi-menu: build a map of menu name → menu ID
    $menuNameToId = [];
    foreach ($menusToProcess as $mp) {
        $menuNameToId[$mp['name']] = $mp['id'];
    }

    // For multi-menu: figure out which categories belong to which menu
    // by looking at which items reference them
    $allItems = $wizardData['items'] ?? [];
    $categoryToMenu = [];
    if ($isMultiMenu) {
        foreach ($allItems as $item) {
            $itemMenu = trim($item['menu'] ?? '');
            $itemCat = trim($item['category'] ?? '');
            if (strlen($itemMenu) && strlen($itemCat) && isset($menuNameToId[$itemMenu])) {
                $categoryToMenu[$itemCat] = $menuNameToId[$itemMenu];
            }
        }
    }

    // First pass: top-level categories
    $catOrder = 1;
    foreach ($categories as $c => $cat) {
        $catName = is_string($cat['name'] ?? null) ? $cat['name'] : '';
        if (empty($catName)) {
            $response['steps'][] = "Warning: Skipping category with no name at index $c";
            continue;
        }
        // Skip subcategories in first pass
        if (!empty($cat['parentCategoryName'])) continue;

        // Determine which menu this category belongs to
        $catMenuID = $isMultiMenu ? ($categoryToMenu[$catName] ?? $menusToProcess[0]['id']) : $menuID;

        $qCat = queryOne(
            "SELECT ID FROM Categories WHERE BusinessID = ? AND Name = ? AND MenuID = ?",
            [$businessId, $catName, $catMenuID]
        );

        if ($qCat) {
            $categoryID = (int)$qCat['ID'];
            $response['steps'][] = "Category exists: $catName (ID: $categoryID)";
        } else {
            queryTimed(
                "INSERT INTO Categories (BusinessID, MenuID, Name, SortOrder) VALUES (?, ?, ?, ?)",
                [$businessId, $catMenuID, $catName, $catOrder]
            );
            $categoryID = (int)lastInsertId();
            $catMenuName = array_column($menusToProcess, 'name', 'id')[$catMenuID] ?? 'unknown';
            $response['steps'][] = "Created category: $catName in menu $catMenuName (ID: $categoryID)";
        }

        $categoryMap[$catName] = $categoryID;
        $catOrder++;
    }

    // Second pass: subcategories
    foreach ($categories as $cat) {
        $catName = is_string($cat['name'] ?? null) ? $cat['name'] : '';
        if (empty($catName)) continue;
        $parentName = trim($cat['parentCategoryName'] ?? '');
        if (empty($parentName)) continue;

        $parentCatID = $categoryMap[$parentName] ?? 0;
        if ($parentCatID === 0) {
            $response['steps'][] = "Warning: Parent category '$parentName' not found for subcategory '$catName'";
            continue;
        }

        $catMenuID = $isMultiMenu ? ($categoryToMenu[$catName] ?? ($categoryToMenu[$parentName] ?? $menusToProcess[0]['id'])) : $menuID;

        $qCat = queryOne(
            "SELECT ID FROM Categories WHERE BusinessID = ? AND Name = ? AND MenuID = ? AND ParentCategoryID = ?",
            [$businessId, $catName, $catMenuID, $parentCatID]
        );

        if ($qCat) {
            $categoryID = (int)$qCat['ID'];
            $response['steps'][] = "Subcategory exists: $catName under $parentName (ID: $categoryID)";
        } else {
            queryTimed(
                "INSERT INTO Categories (BusinessID, MenuID, Name, ParentCategoryID, SortOrder) VALUES (?, ?, ?, ?, ?)",
                [$businessId, $catMenuID, $catName, $parentCatID, $catOrder]
            );
            $categoryID = (int)lastInsertId();
            $response['steps'][] = "Created subcategory: $catName under $parentName (ID: $categoryID)";
        }

        $categoryMap[$catName] = $categoryID;
        $catOrder++;
    }

    // Create menu items
    $items = $wizardData['items'] ?? [];
    $response['steps'][] = 'Processing ' . count($items) . ' menu items...';

    $totalItems = 0;
    $totalLinks = 0;
    $totalImages = 0;
    $categoryItemOrder = [];
    $itemIdMap = [];

    foreach ($items as $n => $item) {
        if (!is_array($item)) continue;

        $itemName = is_string($item['name'] ?? null) ? $item['name'] : '';
        if (empty($itemName)) {
            $response['steps'][] = "Warning: Skipping item with no name at index $n";
            continue;
        }

        $itemDesc = is_string($item['description'] ?? null) ? $item['description'] : '';
        $itemPrice = is_numeric($item['price'] ?? null) ? (float)$item['price'] : 0;
        $itemCategory = is_string($item['category'] ?? null) ? $item['category'] : '';
        $itemModifiers = is_array($item['modifiers'] ?? null) ? $item['modifiers'] : [];

        if (empty($itemCategory) || !isset($categoryMap[$itemCategory])) {
            $response['steps'][] = "Warning: Item '$itemName' has unknown category - skipping";
            continue;
        }

        $categoryID = $categoryMap[$itemCategory];

        // Track sort order within category
        if (!isset($categoryItemOrder[$itemCategory])) $categoryItemOrder[$itemCategory] = 1;
        $itemOrder = $categoryItemOrder[$itemCategory]++;

        // Check if item exists
        $qItem = queryOne(
            "SELECT ID FROM Items WHERE BusinessID = ? AND Name = ? AND CategoryID = ?",
            [$businessId, $itemName, $categoryID]
        );

        if ($qItem) {
            $menuItemID = (int)$qItem['ID'];
            queryTimed(
                "UPDATE Items SET Description = ?, Price = ?, SortOrder = ? WHERE ID = ?",
                [$itemDesc, $itemPrice, $itemOrder, $menuItemID]
            );
        } else {
            queryTimed(
                "INSERT INTO Items (BusinessID, Name, Description, ParentItemID, CategoryID, Price, IsActive, SortOrder) VALUES (?, ?, ?, 0, ?, ?, 1, ?)",
                [$businessId, $itemName, $itemDesc, $categoryID, $itemPrice, $itemOrder]
            );
            $menuItemID = (int)lastInsertId();
        }

        $totalItems++;

        // Track mapping for image uploads
        $frontendId = is_string($item['id'] ?? null) ? $item['id'] : '';
        if (strlen($frontendId)) $itemIdMap[$frontendId] = $menuItemID;
        $itemIdMap[$itemName] = $menuItemID;

        // Link modifier templates
        $modOrder = 1;
        foreach ($itemModifiers as $modRef) {
            if (is_string($modRef)) {
                $modName = $modRef;
            } elseif (is_array($modRef) && isset($modRef['name'])) {
                $modName = $modRef['name'];
            } else {
                continue;
            }
            if (isset($templateMap[$modName])) {
                $templateItemID = $templateMap[$modName];
                $qLink = queryOne(
                    "SELECT 1 FROM lt_ItemID_TemplateItemID WHERE ItemID = ? AND TemplateItemID = ?",
                    [$menuItemID, $templateItemID]
                );
                if (!$qLink) {
                    queryTimed(
                        "INSERT INTO lt_ItemID_TemplateItemID (ItemID, TemplateItemID, SortOrder) VALUES (?, ?, ?)",
                        [$menuItemID, $templateItemID, $modOrder]
                    );
                    $totalLinks++;
                }
                $modOrder++;
            }
        }

        // Download item image if URL provided
        $itemImageUrl = is_string($item['imageUrl'] ?? null) ? trim($item['imageUrl']) : '';
        if (strlen($itemImageUrl)) {
            if (!is_dir($itemsDir)) mkdir($itemsDir, 0755, true);
            if (downloadItemImage($menuItemID, $itemImageUrl, $itemsDir)) {
                $totalImages++;
            }
        }
    }

    $imageNote = $totalImages > 0 ? " and $totalImages images downloaded" : '';
    $response['steps'][] = "Created/updated $totalItems items with $totalLinks modifier links$imageNote";

    $response['OK'] = true;
    $response['summary'] = [
        'businessId' => $businessId,
        'categoriesProcessed' => count($categories),
        'templatesProcessed' => count($modTemplates),
        'itemsProcessed' => $totalItems,
        'linksCreated' => $totalLinks,
        'imagesDownloaded' => $totalImages,
        'itemIdMap' => $itemIdMap,
    ];

    // Clean up temp folder from ZIP upload
    $tempFolder = is_string($data['tempFolder'] ?? null) ? trim($data['tempFolder']) : '';
    if (strlen($tempFolder) && preg_match('/^[a-f0-9]{32}$/', $tempFolder)) {
        $tempFolderPath = "/opt/payfrit-api/temp/menu-import/$tempFolder";
        if (is_dir($tempFolderPath)) {
            exec("rm -rf " . escapeshellarg($tempFolderPath));
            $response['steps'][] = "Cleaned up temp folder: $tempFolder";
        }
    }

} catch (Exception $e) {
    $response['errors'][] = $e->getMessage();
}

jsonResponse($response);