<?php

declare(strict_types=1);

require_once __DIR__.'/workload.php';

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

$startedAt = hrtime(true);
$operation = trim((string) parse_url($_SERVER['REQUEST_URI'] ?? '/', PHP_URL_PATH), '/');
$accountId = max(1, min(100000, (int) ($_GET['id'] ?? 1)));

try {
    $pdo = new PDO(
        getenv('BENCHMARK_PG_DSN') ?: 'pgsql:host=127.0.0.1;port=55432;dbname=core_panel_benchmark',
        'postgres',
        '',
        [
            PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
            PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC,
            PDO::ATTR_PERSISTENT => true,
            PDO::ATTR_EMULATE_PREPARES => false,
        ],
    );

    $result = match ($operation) {
        'account' => benchmarkAccount($pdo, $accountId),
        'activity' => benchmarkActivity($pdo, (string) ($_GET['region'] ?? 'north-america')),
        'touch' => benchmarkTouch($pdo, $accountId),
        'health' => ['status' => 'ok'],
        default => throw new RuntimeException('Unknown benchmark operation.'),
    };

    http_response_code(200);
    echo json_encode([
        'operation' => $operation,
        'duration_ms' => round((hrtime(true) - $startedAt) / 1_000_000, 3),
        'result' => $result,
    ], JSON_THROW_ON_ERROR);
} catch (Throwable $exception) {
    http_response_code(500);
    echo json_encode([
        'operation' => $operation,
        'error' => $exception->getMessage(),
    ], JSON_THROW_ON_ERROR);
}