<?php

namespace App\Providers;

use App\Enumerations\CronTaskType;
use App\Models\Tenant;
use App\Scopes\CommonController;
use Illuminate\Http\Request;
use Carbon\Carbon;
use App\Models\CronTask;
use Psr\Log\LoggerInterface;

class CronTaskHandleProvider extends CommonController
{
    public function run(Request $request)
    {
        $now = Carbon::now();

        $tenants = Tenant::where('has_active_instance', true)->get();

        foreach ($tenants as $tenant) {
            app()->instance('tenant', $tenant);
            $this->runTenantTasks($tenant, $now);
        }

        return response()->json([
            'status' => 'ok',
            'time' => $now->toDateTimeString(),
        ]);
    }

    private function runTenantTasks(Tenant $tenant, Carbon $now) {
        $tasks = CronTask::all();

        foreach ($tasks as $task) {

            // --- Every-Time Tasks ---
            if ($task->execution_type === CronTaskType::CRON_TASK_TYPE_REALTIME) {
                $this->runTask($task);
            }

            // --- Daily Tasks ---
            if ($task->execution_type === CronTaskType::CRON_TASK_TYPE_DAILY) {
                $scheduledTime = $task->schedule_time;
                $alreadyRunToday = $task->last_run?->isToday() ?? false;

                if (!$alreadyRunToday && $now->format('H:i') === $scheduledTime) {
                    $this->runTask($task);
                }
            }
        }
    }

    private function runTask(CronTask $task)
    {
        $logger = $this->taskLogger($task->name, app('tenant'));
        app()->instance('taskLogger', $logger);


        $taskClass = "\\App\\Tasks\\" . $task->name;
        if (class_exists($taskClass)) {
            $instance = new $taskClass();
            $instance->handle();

            // Update last_run
            $task->last_run = now();
            $task->save();
        }
    }

    private function taskLogger(string $taskName, $tenant = null) : LoggerInterface
    {
        $tenantSlug = $tenant->slug;
        $logDir = storage_path("logs/{$tenantSlug}");

        if (!file_exists($logDir)) {
            mkdir($logDir, 0755, true);
        }

        $logPath = "{$logDir}/{$taskName}.log";

        return \Illuminate\Support\Facades\Log::build([
            'driver' => 'single',
            'path' => $logPath,
            'level' => 'debug',
        ]);
    }
}