<?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.');
    }
}