<?php
namespace Modules\Automation\Services;
use Illuminate\Support\Facades\Http;
use Illuminate\Support\Facades\Log;
use Illuminate\Support\Facades\Mail;
use Modules\Automation\Contracts\ActionRegistry;
use Modules\Automation\Models\AutomationStep;
final class AutomationActionRegistry implements ActionRegistry
{
    public function all(): array
    {
        return [
            'log'=>['label'=>'Write log','fields'=>['message']],
            'webhook'=>['label'=>'Send webhook','fields'=>['url','method']],
            'email'=>['label'=>'Send email','fields'=>['to','subject','body']],
            'delay'=>['label'=>'Delay','fields'=>['seconds']],
        ];
    }
    public function execute(AutomationStep $step, array $payload): array
    {
        $config=$step->configuration ?? [];
        return match($step->action_type) {
            'log'=>$this->log($config,$payload),
            'webhook'=>$this->webhook($config,$payload),
            'email'=>$this->email($config,$payload),
            'delay'=>$this->delay($config),
            default=>throw new \InvalidArgumentException("Unknown automation action [{$step->action_type}]."),
        };
    }
    private function log(array $config,array $payload): array
    {
        $message=(string)($config['message']??'Automation executed'); Log::info($message,$payload); return ['message'=>$message];
    }
    private function webhook(array $config,array $payload): array
    {
        $url=(string)($config['url']??''); if ($url==='') throw new \InvalidArgumentException('Webhook URL is required.');
        $method=strtolower((string)($config['method']??'post')); $response=Http::timeout(config('automation.webhook_timeout',10))->send($method,$url,['json'=>$payload]);
        $response->throw(); return ['status'=>$response->status()];
    }
    private function email(array $config,array $payload): array
    {
        $to=(string)($config['to']??''); if ($to==='') throw new \InvalidArgumentException('Email recipient is required.');
        $subject=(string)($config['subject']??'Automation notification'); $body=(string)($config['body']??json_encode($payload,JSON_PRETTY_PRINT));
        Mail::raw($body,fn($message)=>$message->to($to)->subject($subject)); return ['to'=>$to];
    }
    private function delay(array $config): array
    {
        $seconds=max(0,min(30,(int)($config['seconds']??1))); if ($seconds>0) sleep($seconds); return ['seconds'=>$seconds];
    }
}