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

/**
 * Clear menu data for a specific business
 *
 * POST body: { "BusinessID": 37, "confirm": "DELETE_ALL_DATA" }
 */

$data = readJsonBody();
$businessID = (int) ($data['BusinessID'] ?? 0);
$confirm    = $data['confirm'] ?? '';

if ($businessID === 0) {
    jsonResponse(['OK' => false, 'ERROR' => 'BusinessID is required']);
}

if ($confirm !== 'DELETE_ALL_DATA') {
    jsonResponse(['OK' => false, 'ERROR' => "Must pass confirm: 'DELETE_ALL_DATA' to proceed"]);
}

try {
    // Get counts before deletion
    $itemCount = queryOne("SELECT COUNT(*) as cnt FROM Items WHERE BusinessID = ?", [$businessID]);
    $catCount  = queryOne("SELECT COUNT(*) as cnt FROM Categories WHERE BusinessID = ?", [$businessID]);

    // Get item IDs for this business to delete template links
    $itemRows = queryTimed("SELECT ID FROM Items WHERE BusinessID = ?", [$businessID]);
    $itemIds = array_column($itemRows, 'ID');

    $deletedLinks = 0;
    if (count($itemIds) > 0) {
        $placeholders = implode(',', array_fill(0, count($itemIds), '?'));
        $params = array_merge($itemIds, $itemIds);
        queryTimed(
            "DELETE FROM lt_ItemID_TemplateItemID WHERE ItemID IN ($placeholders) OR TemplateItemID IN ($placeholders)",
            $params
        );
        $deletedLinks = count($itemIds);
    }

    // Delete all items for this business
    queryTimed("DELETE FROM Items WHERE BusinessID = ?", [$businessID]);

    // Delete all categories for this business
    queryTimed("DELETE FROM Categories WHERE BusinessID = ?", [$businessID]);

    jsonResponse([
        'OK'         => true,
        'deleted'    => [
            'items'         => (int) $itemCount['cnt'],
            'categories'    => (int) $catCount['cnt'],
            'templateLinks' => $deletedLinks,
        ],
        'businessID' => $businessID,
    ]);

} catch (Exception $e) {
    jsonResponse(['OK' => false, 'ERROR' => $e->getMessage()]);
}