<?php

namespace App\Services\VoIP;

use App\Models\Setting;
use Illuminate\Support\Facades\Http;

class ApiProvider implements VoIPProviderInterface
{
    public function initiateCall(string $phone, string $callerId = null): array
    {
        $baseUrl = rtrim((string) Setting::where('key', 'voip_api_base_url')->value('value'), '/');
        $token = Setting::where('key', 'voip_api_token')->value('value');
        $callPath = Setting::where('key', 'voip_api_call_path')->value('value') ?: '/calls';

        if (!$baseUrl) {
            return [
                'success' => false,
                'provider_call_id' => null,
                'message' => 'نشانی ای‌پی‌آی تماس تنظیم نشده است',
                'status' => 'configuration_error',
            ];
        }

        $request = Http::acceptJson()->timeout(10);
        if ($token) {
            $request = $request->withToken($token);
        }

        $response = $request->post($baseUrl . '/' . ltrim($callPath, '/'), [
            'phone' => $phone,
            'caller_id' => $callerId,
        ]);

        $body = $response->json() ?: [];

        return [
            'success' => $response->successful(),
            'provider_call_id' => $body['provider_call_id'] ?? $body['call_id'] ?? null,
            'message' => $body['message'] ?? ($response->successful() ? 'تماس از راه ای‌پی‌آی ارسال شد' : 'خطا در ارسال تماس از راه ای‌پی‌آی'),
            'status' => $body['status'] ?? ($response->successful() ? 'initiated' : 'failed'),
            'raw' => $body,
        ];
    }

    public function getCallStatus(string $providerCallId): array
    {
        $baseUrl = rtrim((string) Setting::where('key', 'voip_api_base_url')->value('value'), '/');
        $token = Setting::where('key', 'voip_api_token')->value('value');
        $statusPath = Setting::where('key', 'voip_api_status_path')->value('value') ?: '/calls/{id}';

        if (!$baseUrl) {
            return ['status' => 'configuration_error'];
        }

        $request = Http::acceptJson()->timeout(10);
        if ($token) {
            $request = $request->withToken($token);
        }

        $url = $baseUrl . '/' . ltrim(str_replace('{id}', $providerCallId, $statusPath), '/');
        $response = $request->get($url);

        return $response->json() ?: [
            'status' => $response->successful() ? 'unknown' : 'failed',
        ];
    }

    public function getRecordingUrl(string $providerCallId): ?string
    {
        $template = Setting::where('key', 'voip_api_recording_url')->value('value');
        return $template ? str_replace('{id}', $providerCallId, $template) : null;
    }

    public function testConnection(): array
    {
        $missing = [];
        foreach (['voip_api_base_url', 'voip_api_token'] as $key) {
            if (!Setting::where('key', $key)->value('value')) {
                $missing[] = $key;
            }
        }

        return [
            'ok' => $missing === [],
            'message' => $missing ? 'تنظیمات اتصال API کامل نیست.' : 'تنظیمات اتصال API معتبر است.',
            'missing' => $missing,
        ];
    }
}