<?php

namespace App\Http\Controllers\Api;

use App\Http\Controllers\Controller;
use Illuminate\Http\JsonResponse;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Redis;
use Throwable;

class HealthController extends Controller
{
    public function __invoke(): JsonResponse
    {
        $checks = [
            'db' => $this->checkDb(),
            'redis' => $this->checkRedis(),
        ];

        $healthy = ! in_array(false, array_column($checks, 'ok'), true);

        return response()
            ->json([
                'healthy' => $healthy,
                'version' => config('app.version', '0.1.0'),
                'checks' => $checks,
            ], $healthy ? 200 : 503);
    }

    private function checkDb(): array
    {
        try {
            DB::connection()->getPdo();

            return ['ok' => true];
        } catch (Throwable $e) {
            return ['ok' => false, 'error' => $e->getMessage()];
        }
    }

    private function checkRedis(): array
    {
        try {
            Redis::ping();

            return ['ok' => true];
        } catch (Throwable $e) {
            return ['ok' => false, 'error' => $e->getMessage()];
        }
    }
}