<?php

namespace App\Http\Controllers;

use App\Enums\Role;
use App\Models\Schedule;
use App\Models\User;
use App\Models\WeekPlanning;
use Carbon\Carbon;
use Illuminate\Http\Request;
use Carbon\CarbonImmutable;

/**
 * Alternate planner for Dev Team
 *
 * @author Olivier Legat <olivier.legat@ldc.fr>
 *
 */
class ScheduleController extends Controller
{
    public function index(Request $request)
    {
        $date = CarbonImmutable::now()->startOfWeek();
        $nbweeks = 2;
        if ($request->p) {
            $date = CarbonImmutable::createFromFormat('d/m/Y', $request->p)->startOfWeek();
        }


        $dbusers = User::where('role', Role::developper())->get();
        $users = [];
        foreach ($dbusers as $user) {
            $users[$user->id] = ['name' => $user->name];
        }

        $schedules = Schedule::whereDate('date', '>=', $date)
                               ->whereDate('date', '<=', $date->addDays($nbweeks * 7 - 1))
                               ->orderBy('user_id')
                               ->orderBy('slot')
                               ->orderBy('date')
                               ->get();

        $arSchedules = array();
        $prevUserId = null;
        $prevDate = null;
        $prevSlot = null;
        foreach ($schedules as $schedule) {
            if ($prevUserId != $schedule->user_id) {
                //nouveau user
                $arSchedules[$schedule->user_id] = array(
                    $schedule->slot => array(
                        $schedule->date->format('d/m/Y') => array(
                            'type' => $schedule->activity,
                            'text' => $schedule->description,
                            'id_lie' => $schedule->id_lie,
                            'model_lie' => $schedule->model_lie,
                        ),
                    )
                );
            } else {
                //same user
                if ($prevSlot != $schedule->slot) {
                    //new slot
                    $arSchedules[$schedule->user_id][$schedule->slot] = array(
                        $schedule->date->format('d/m/Y') => array(
                            'type' => $schedule->activity,
                            'text' => $schedule->description,
                            'id_lie' => $schedule->id_lie,
                            'model_lie' => $schedule->model_lie,
                        ),
                    );
                } else {
                    //same slot
                    if ($prevDate != $schedule->date) {
                        //new date
                        $arSchedules[$schedule->user_id][$schedule->slot][$schedule->date->format('d/m/Y')] = array(
                            'type' => $schedule->activity,
                            'text' => $schedule->description,
                            'id_lie' => $schedule->id_lie,
                            'model_lie' => $schedule->model_lie,
                        );
                    } else {
                        //same date
                        //should never be here
                    }
                }
            }
            $prevUserId = $schedule->user_id;
            $prevDate = $schedule->date;
            $prevSlot = $schedule->slot;
        }

        $weekCells = array();
        for ($i=0; $i < $nbweeks; $i++) {
            $weekCells[] = array(
                            "num" => $date->addDays($i * 7)->weekOfYear,
                            "month" => $date->addDays($i * 7)->shortLocaleMonth,
                            "year" => $date->addDays($i * 7)->format('Y')
                        );
        }


        return view('schedule.index', compact('users', 'date', 'weekCells', 'arSchedules'));
    }

    /**
     * Migrates data from week_plannings
     * to schedules table
     *
     * @author Olivier Legat <olivier.legat@ldc.fr>
     *
     */
    public function import(Request $request)
    {
        // $schedule_test = Schedule::first();
        // dd($schedule_test->relatedModel);

        $week_plannings = WeekPlanning::all();

        foreach ($week_plannings as $oneweek) {
            $user_id = $oneweek->user_id;
            $plan = $oneweek->planning;
            foreach ($plan as $time => $data) {
                $date = Carbon::createFromTimestamp($time);
                foreach ($data as $dayslot => $cell) {
                    $activite = $this->convertColorToType($cell["type"]);
                    $description = $cell["text"];
                    $id_objetlie = $cell["foreign"];
                    $type_objetlie = $cell["cellModel"]; //c'est une table d'après l'Enum CellModel

                    $collected = [
                        'user_id' => $user_id,
                        'date' => $date,
                        'slot' => $dayslot,
                        'activity' => $activite,
                        'description' => $description,
                        'id_lie' => $id_objetlie,
                        'model_lie' => $type_objetlie
                    ];
                    //si activite null et description null ne pas enregistrer
                    if (!is_null($activite) && !is_null($description)) {
                        $schedule = new Schedule();
                        $schedule->fill($collected);
                        $schedule->save();
                    }
                }
            }
        }
        dump('finished');
    }

    /**
     * convertir une value de couleur en type
     */
    private function convertColorToType($value) {
        $converter = array(
            '#c6e0b4' => 'support',
            '#b4c6e7' => 'rnd',
            '#00b0f0' => 'dev',
            '#ffe699' => 'projects',
            '#f4b084' => 'management',
            '#aeaaaa' => 'absence',
            'abscence' => 'absence'
        );
        return $converter[$value] ?? null;
    }
}