<?php

namespace App\Http\Controllers;

use Illuminate\Http\JsonResponse;
use Illuminate\Support\Facades\Cache;
use Illuminate\Support\Facades\DB;
use Throwable;

final class HealthController extends Controller
{
    public function live(): JsonResponse
    {
        return response()
            ->json(['status' => 'ok'])
            ->header('Cache-Control', 'no-store');
    }

    public function ready(): JsonResponse
    {
        try {
            DB::select('select 1');

            $key = 'health:'.bin2hex(random_bytes(12));
            Cache::put($key, 'ok', 5);
            $cacheReady = Cache::pull($key) === 'ok';

            if (! $cacheReady) {
                throw new \RuntimeException('Cache read/write check failed.');
            }
        } catch (Throwable $exception) {
            report($exception);

            return response()
                ->json(['status' => 'not_ready'], 503)
                ->header('Cache-Control', 'no-store');
        }

        return response()
            ->json(['status' => 'ready'])
            ->header('Cache-Control', 'no-store');
    }
}