<?php

namespace App\Http\Controllers\bo;

use App\Http\Controllers\Controller;
use App\Models\Participation;
use App\Models\Settings;
use Carbon\Carbon;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\DB;

class DashboardController extends Controller
{
    public function index()
    {
        // Pour les stats
        $settings = Settings::find(1);
        $participations = Participation::selectRaw("COUNT(*) AS count, DATE(created_at) AS date")->groupByRaw("DATE(created_at)")->get();
        $participationsUniquePerDay = Participation::selectRaw("DISTINCT user_id  AS user, COUNT(*) AS count, DATE(created_at) AS date")->groupByRaw("DATE(created_at), user")->get();
        $statsUnique = [];
        foreach($participationsUniquePerDay as $participationPerDay) {
            $dateUnique = Carbon::parse($participationPerDay->date)->format('d/m/Y');
            $statsUnique[$dateUnique] = isset($statsUnique[$dateUnique]) ? $statsUnique[$dateUnique] + 1 : 1;
        }
        $participationsUnique = Participation::selectRaw("DISTINCT user_id  AS user, COUNT(*) AS count")->groupBy("user")->orderBy("user")->get();

        // Données calculées à afficher
        $totalParticipation = Participation::count();
        $avgParticipUser = round($totalParticipation / count($participationsUnique), 1);

        // Tableau des dates comprises dans la table participation
        foreach ($participations as $participation)
            $datesParticipations[Carbon::parse($participation->date)->format('d/m/Y')] = $participation->count;

        // Création des tableaux avec toutes les dates depuis le début du jeu et le nombre de participations associées
        $date = Carbon::parse($settings->start_date);
        $dateFin = now() < $settings->end_date ? Carbon::now() : Carbon::parse($settings->end_date);

        // Récupération des 3 codes EAN les plus utilisés
        $codesEan = Participation::select(DB::raw('COUNT(code_ean_id) AS nb_usage, code_ean_id'))->groupBy('code_ean_id')->orderByDesc('nb_usage')->limit(3)->get();

        // Génération des tableaux de date depuis le début du jeu
        while ($dateFin > $date) {
            $dates[] = $date->format('d/m/Y');
            $count[] = isset($datesParticipations[$date->format('d/m/Y')]) ? $datesParticipations[$date->format('d/m/Y')] : 0;
            $countUnique[] = isset($statsUnique[$date->format('d/m/Y')]) ? $statsUnique[$date->format('d/m/Y')] : 0;
            $date->addDay();
        }

        return view('bo.dashboard.index', compact('dates', 'count', 'countUnique', 'totalParticipation', 'avgParticipUser', 'codesEan'));
    }
}