<?php
namespace Modules\Analytics\Http\Controllers;
use Illuminate\Http\RedirectResponse;
use Illuminate\Http\Request;
use Illuminate\Routing\Controller;
use Illuminate\View\View;
use Modules\Analytics\Models\AnalyticsEvent;
use Modules\Analytics\Models\AnalyticsReport;
final class AnalyticsController extends Controller
{
    public function index(Request $request): View
    {
        $days=max(1,min(365,(int)$request->integer('days',30))); $from=now()->subDays($days-1)->startOfDay();
        $events=AnalyticsEvent::query()->where('occurred_at','>=',$from);
        return view('analytics::index',[
            'days'=>$days,'pageViews'=>$events->clone()->where('event_type','page_view')->count(),
            'visitors'=>$events->clone()->whereNotNull('visitor_hash')->distinct('visitor_hash')->count('visitor_hash'),
            'conversions'=>$events->clone()->where('event_type','conversion')->count(),
            'searches'=>$events->clone()->where('event_type','search')->count(),
            'topPages'=>$events->clone()->where('event_type','page_view')->selectRaw('path, count(*) as total')->groupBy('path')->orderByDesc('total')->limit(10)->get(),
            'recentEvents'=>$events->clone()->latest('occurred_at')->limit(20)->get(), 'reports'=>AnalyticsReport::latest()->limit(20)->get(),
        ]);
    }
    public function storeReport(Request $request): RedirectResponse
    {
        AnalyticsReport::create($request->validate(['name'=>'required|string|max:255','report_type'=>'required|in:overview,content,search,conversion,commerce','schedule'=>'nullable|string|max:50','format'=>'required|in:csv,json','is_active'=>'nullable|boolean']) + ['created_by'=>$request->user()->id,'is_active'=>$request->boolean('is_active',true)]);
        return back()->with('status','Report created.');
    }
    public function destroyReport(AnalyticsReport $report): RedirectResponse { $report->delete(); return back()->with('status','Report deleted.'); }
}