<?php
declare(strict_types=1);

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

require_once __DIR__ . '/includes/site.php';

$status = site_installation_status();
if (empty($status['ready'])) {
    http_response_code(503);
    echo json_encode([
        'status' => 'setup_required',
        'php_version' => PHP_VERSION,
        'time_utc' => gmdate('c'),
        'db' => 'setup_required',
        'source' => $status['source'] ?? 'missing',
        'config_path' => db_manual_config_relative_path(),
        'message' => $status['message'],
        'details' => $status['details'],
    ], JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES);
    exit;
}

try {
    init_blog_storage();
    $count = post_count();

    http_response_code(200);
    echo json_encode([
        'status' => 'ok',
        'php_version' => PHP_VERSION,
        'time_utc' => gmdate('c'),
        'posts' => $count,
        'db' => 'ok',
        'source' => $status['source'] ?? 'unknown',
    ], JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES);
} catch (Throwable $exception) {
    http_response_code(503);
    echo json_encode([
        'status' => 'error',
        'php_version' => PHP_VERSION,
        'time_utc' => gmdate('c'),
        'db' => 'error',
    ], JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES);
}