<?php

namespace App\Http\Controllers;

use App\Models\Client;
use App\Services\GoogleAdsService;
use App\Services\UserHierarchyService;
use Inertia\Inertia;
use Inertia\Response;
// use Illuminate\Support\Facades\Auth;
use Illuminate\Support\Facades\Auth;
use Illuminate\Support\Facades\Log;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\DB;
use Carbon\Carbon;

class GoogleController extends Controller
{
    protected $adsService;

    public function __construct(
        GoogleAdsService $adsService,
        private UserHierarchyService $hierarchyService,
    )
    {
        $this->adsService = $adsService;
    }

    public function campaigns($id)
    {
        $campaigns = $this->adsService->listCampaigns($id);
        return response()->json($campaigns);
    }

    public function listCampaignsMetrics(Request $request)
    {
        $clientCustomerId = $request->clientCustomerId;
        $startDate = $request->startDate;
        $endDate = $request->endDate;

        $client = Client::where('customer_id', $clientCustomerId)->firstOrFail();
        abort_unless($this->hierarchyService->canViewClient(Auth::user(), $client), 403);

        $campaigns = $this->adsService->listCampaigns($clientCustomerId);
        $campaignsWithMetrics = [];
        foreach ($campaigns as $campaign) {
            $metrics = $this->adsService->listCampaignsMetrics(
                $clientCustomerId,
                $campaign['id'],
                $startDate,
                $endDate
            );
            $campaign['total_actual_spend'] = 0;
            $campaign['total_impressions'] = 0;
            $campaign['total_clicks'] = 0;
            $campaign['metrics'] = [];

            foreach ($metrics as $metric) {
                $campaign['total_actual_spend'] += $metric['actual_spend'] ?? 0;
                $campaign['total_impressions'] += $metric['impressions'] ?? 0;
                $campaign['total_clicks'] += $metric['clicks'] ?? 0;
            }

            // CPC calculation
            $campaign['cpc'] = $campaign['total_clicks'] > 0
                ? $campaign['total_actual_spend'] / $campaign['total_clicks']
                : 0;

            $campaign['total_actual_spend'] = number_format($campaign['total_actual_spend'], 2, '.', '');

            $campaign['metrics'] = $metrics;

            $campaignsWithMetrics[] = $campaign;
        }
        $totalSpend = array_sum(array_column($campaignsWithMetrics, 'total_actual_spend'));
        $totalClicks = array_sum(array_column($campaignsWithMetrics, 'total_clicks'));
        return response()->json([
            'campaigns' => $campaignsWithMetrics,
            'summary' => [
                'total_actual_spend' => number_format(array_sum(array_column($campaignsWithMetrics, 'total_actual_spend')), 2, '.', ''),
                'total_impressions' => array_sum(array_column($campaignsWithMetrics, 'total_impressions')),
                'total_clicks' => array_sum(array_column($campaignsWithMetrics, 'total_clicks')),
            ]
        ]);
    }
}