<?php
header('Content-Type: application/json; charset=utf-8');

require_once __DIR__ . '/../config/database.php';
require_once __DIR__ . '/message_text_helper.php';

if ($_SERVER['REQUEST_METHOD'] !== 'GET') {
    http_response_code(405);
    echo json_encode([
        'status' => 'error',
        'message' => 'Method not allowed',
    ], JSON_UNESCAPED_UNICODE);
    exit;
}

try {
    $pdo = getAnalyticsPdo();
    $stmt = $pdo->query("
        SELECT
            id,
            table_id,
            message_type,
            message_text,
            otwierajacy_imie,
            otwierajacy_nazwisko,
            status_kds,
            api_sent,
            created_at,
            updated_at
        FROM guest_action_queue
        WHERE DATE(created_at) = CURDATE()
        ORDER BY created_at DESC
        LIMIT 500
    ");
    $rows = $stmt->fetchAll();

    $pending = 0;
    $waiterCalls = 0;
    $billRequests = 0;

    foreach ($rows as &$row) {
        $row['id'] = (int) $row['id'];
        $row['status_kds'] = (int) $row['status_kds'];
        $row['api_sent'] = (int) $row['api_sent'];
        $row['message_text'] = normalizeQueueMessageText((string) ($row['message_text'] ?? ''));

        if ($row['status_kds'] === 0) {
            $pending++;
        }
        if ($row['message_type'] === 'waiter_call') {
            $waiterCalls++;
        } elseif ($row['message_type'] === 'bill_request') {
            $billRequests++;
        }
    }
    unset($row);

    echo json_encode([
        'status' => 'success',
        'date' => date('Y-m-d'),
        'count' => count($rows),
        'summary' => [
            'pending' => $pending,
            'waiter_calls' => $waiterCalls,
            'bill_requests' => $billRequests,
        ],
        'polled_at' => date('Y-m-d H:i:s'),
        'poll_interval_seconds' => 15,
        'data' => $rows,
    ], JSON_UNESCAPED_UNICODE);
} catch (Throwable $e) {
    http_response_code(500);
    echo json_encode([
        'status' => 'error',
        'message' => 'Waiter feed fetch failed',
    ], JSON_UNESCAPED_UNICODE);
}