<?php

declare(strict_types=1);

require_once dirname(__DIR__, 4) . '/src/App/bootstrap.php';
require_once dirname(__DIR__) . '/bootstrap.php';

$requestUri = (string) ($_SERVER['REQUEST_URI'] ?? '');
$requestPath = (string) (parse_url($requestUri, PHP_URL_PATH) ?: '');
$prefix = '/api/boersenchecker/index.php/';
$relativePath = trim((string) ($_GET['path'] ?? ''), '/');

if ($relativePath === '') {
    $relativePath = str_starts_with($requestPath, $prefix)
        ? substr($requestPath, strlen($prefix))
        : ltrim((string) ($_SERVER['PATH_INFO'] ?? ''), '/');
}

$normalized = strtolower(trim($relativePath, '/'));

if ($normalized === 'v1/chart-data') {
    require __DIR__ . '/chart_data.php';
    return;
}

if ($normalized === 'v1/cron/refresh-quotes' && strtoupper((string) ($_SERVER['REQUEST_METHOD'] ?? 'GET')) === 'POST') {
    header('Content-Type: application/json; charset=utf-8');
    try {
        $result = module_fn('boersenchecker', 'scheduled_refresh_quotes', [
            'trigger_source' => 'cron',
        ]);
        http_response_code(!empty($result['ok']) ? 200 : 500);
        echo json_encode($result, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES);
    } catch (\Throwable $exception) {
        http_response_code(500);
        echo json_encode([
            'ok' => false,
            'message' => $exception->getMessage(),
        ], JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES);
    }
    return;
}

if ($normalized === 'v1/widget/refresh-quotes' && strtoupper((string) ($_SERVER['REQUEST_METHOD'] ?? 'GET')) === 'POST') {
    header('Content-Type: application/json; charset=utf-8');
    try {
        $result = module_fn('boersenchecker', 'scheduled_refresh_quotes', [
            'trigger_source' => 'widget',
        ]);
        http_response_code(!empty($result['ok']) ? 200 : 500);
        echo json_encode($result, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES);
    } catch (\Throwable $exception) {
        http_response_code(500);
        echo json_encode([
            'ok' => false,
            'message' => $exception->getMessage(),
        ], JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES);
    }
    return;
}

if ($normalized === 'v1/widget/status' && strtoupper((string) ($_SERVER['REQUEST_METHOD'] ?? 'GET')) === 'GET') {
    header('Content-Type: application/json; charset=utf-8');
    try {
        $pdo = module_fn('boersenchecker', 'pdo');
        $quoteTable = module_fn('boersenchecker', 'table', 'quotes');
        $instrumentTable = module_fn('boersenchecker', 'table', 'instruments');
        $positionTable = module_fn('boersenchecker', 'table', 'positions');
        $settings = modules()->settings('boersenchecker');

        $latestAt = $pdo->query('SELECT MAX(quoted_at) FROM ' . $quoteTable)->fetchColumn();
        $countStmt = $pdo->query(
            'SELECT COUNT(DISTINCT i.id)
             FROM ' . $positionTable . ' p
             INNER JOIN ' . $instrumentTable . ' i ON i.id = p.instrument_id
             WHERE i.symbol IS NOT NULL
               AND i.symbol <> \'\''
        );
        $trackedCount = (int) ($countStmt->fetchColumn() ?: 0);

        $statusText = $latestAt
            ? 'Letzter Kursabruf: ' . date('d.m.Y H:i', strtotime((string) $latestAt)) . ' · ' . $trackedCount . ' Titel'
            : 'Noch keine gespeicherten Kurse vorhanden.';

        echo json_encode([
            'ok' => true,
            'data' => [
                'status_text' => $statusText,
                'latest_quoted_at' => $latestAt,
                'tracked_instruments' => $trackedCount,
                'report_currency' => (string) ($settings['report_currency'] ?? 'EUR'),
            ],
        ], JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES);
    } catch (\Throwable $exception) {
        http_response_code(500);
        echo json_encode([
            'ok' => false,
            'message' => $exception->getMessage(),
        ], JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES);
    }
    return;
}

http_response_code(404);
header('Content-Type: application/json; charset=utf-8');
echo json_encode([
    'ok' => false,
    'message' => 'Ressource nicht gefunden.',
], JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES);