<?php

namespace App\Jobs;

use App\Models\PackageName;
use Illuminate\Bus\Queueable;
use Illuminate\Contracts\Queue\ShouldQueue;
use Illuminate\Foundation\Bus\Dispatchable;
use Illuminate\Queue\InteractsWithQueue;
use Illuminate\Queue\SerializesModels;
use Kreait\Firebase\Factory;
use Kreait\Firebase\Messaging\CloudMessage;

class SendPushToPackageJob implements ShouldQueue
{
    use Dispatchable, InteractsWithQueue, Queueable, SerializesModels;

    public function __construct(
        public PackageName $packageName,
        public string $title,
        public string $description = '',
        public array $data = []
    ) {}

    public function handle(): void
    {
        $firebaseFile = $this->getFirebaseJsonPath();
        if (!$firebaseFile) {
            \Log::warning('Firebase JSON file not found for package: ' . $this->packageName->id);
            return;
        }

        try {
            $factory = (new Factory)->withServiceAccount($firebaseFile);
            $messaging = $factory->createMessaging();

            // Get all users that have this package AND have an FCM token
            $users = $this->packageName->users()
                ->whereNotNull('package_name_user.fcm_token')
                ->get();

            foreach ($users as $user) {
                $fcmToken = $user->packageNames()
                    ->where('package_names.id', $this->packageName->id)
                    ->first()
                    ->pivot
                    ->fcm_token;

                if (!$fcmToken) {
                    continue;
                }

                $message = CloudMessage::withTarget('token', $fcmToken)
                    ->withNotification([
                        'title' => $this->title,
                        'body'  => $this->description,
                    ])
                    ->withData($this->data);

                try {
                    $messaging->send($message);
                    \Log::info("Push notification sent to user {$user->id} for package {$this->packageName->id}");
                } catch (\Throwable $e) {
                    \Log::error("Failed to send push to user {$user->id}: " . $e->getMessage());
                }
            }

            \Log::info("Sent push notifications to " . $users->count() . " users for package: " . $this->packageName->id);
            
        } catch (\Throwable $e) {
            \Log::error('Firebase error in SendPushToPackageJob: ' . $e->getMessage());
        }
    }

    private function getFirebaseJsonPath(): ?string
    {
        $media = $this->packageName->getFirstMedia('firebase_json');
        return $media?->getPath();
    }
}