<?php

namespace App\Services\Notification\Adapters;

use App\Models\NotificationDelivery;
use App\Services\Notification\Contracts\NotificationChannelAdapter;
use Illuminate\Support\Facades\Http;
use Illuminate\Validation\ValidationException;

class WhatsAppOfficialAdapter implements NotificationChannelAdapter
{
    public function send(NotificationDelivery $delivery): array
    {
        $config = $delivery->channelConfig;
        $credentials = $config?->credentials ?? [];
        $settings = $config?->settings ?? [];
        $phoneId = $credentials['phone_number_id'] ?? null;
        $token = $credentials['access_token'] ?? null;
        $templateName = data_get($delivery->provider_response, 'request_context.provider_template_name');
        if (! $phoneId || ! $token || ! $templateName) {
            throw ValidationException::withMessages(['channel' => 'Phone Number ID, access token, dan template WhatsApp Official wajib tersedia.']);
        }
        $baseUrl = rtrim($settings['base_url'] ?? 'https://graph.facebook.com/v22.0', '/');
        $parameters = collect(data_get($delivery->provider_response, 'request_context.template_parameters', []))
            ->map(fn ($value) => ['type' => 'text', 'text' => (string) $value])->values()->all();
        $response = Http::withToken($token)->timeout(30)->post("{$baseUrl}/{$phoneId}/messages", [
            'messaging_product' => 'whatsapp',
            'to' => $delivery->destination,
            'type' => 'template',
            'template' => [
                'name' => $templateName,
                'language' => ['code' => data_get($delivery->provider_response, 'request_context.language', 'id')],
                'components' => $parameters ? [['type' => 'body', 'parameters' => $parameters]] : [],
            ],
        ])->throw()->json();

        return ['provider_message_id' => data_get($response, 'messages.0.id'), 'response' => $response];
    }
}