<?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];
    }
}