<?php

namespace App\Mcp\Tools\GoogleAds;

use App\Models\GoogleAdsConnection;
use App\Services\GoogleAdsService;
use Illuminate\Contracts\JsonSchema\JsonSchema;
use Laravel\Mcp\Request;
use Laravel\Mcp\Response;
use Laravel\Mcp\Server\Attributes\Description;
use Laravel\Mcp\Server\Tool;
use Throwable;

#[Description('List live Google Ads ad groups from the selected customer account, optionally filtered by campaign resource name.')]
class ListAdGroups extends Tool
{
    public function __construct(private readonly GoogleAdsService $googleAds) {}

    public function schema(JsonSchema $schema): array
    {
        return ['campaign_resource_name' => $schema->string()];
    }

    public function handle(Request $request): Response
    {
        $user = $request->user();
        if ($user === null) {
            return Response::error('Authentication is required.');
        }
        $data = $request->validate(['campaign_resource_name' => ['nullable', 'string']]);
        $connection = GoogleAdsConnection::query()->where('user_id', $user->getAuthIdentifier())->first();
        if ($connection === null || blank($connection->customer_id)) {
            return Response::error('Select a child Google Ads account first.');
        }
        try {
            return Response::json(['ok' => true, 'ad_groups' => $this->googleAds->listAdGroups($connection, $data['campaign_resource_name'] ?? null)]);
        } catch (Throwable $exception) {
            report($exception);

            return Response::error($exception->getMessage());
        }
    }
}