<?php

namespace App\Repositories;

use App\Enumerations\EatingHabit;
use App\Models\Event;
use App\Models\EventParticipant;
use Illuminate\Http\Request;

class EventParticipantRepository {
    public function getForList(Event $event, Request $request) : array {
        $participants = [];
        foreach ($event->participants()->orderBy('lastname')->orderBy('firstname')->get() as $participant) {
            $participants[] = $participant->toResource()->toArray($request);
        };

        return $participants;
    }

    public function getByIdentifier(string $identifier, EventRepository $eventRepository, bool $withPermissionCheck = true) : ?EventParticipant {
        $participant = EventParticipant::where('identifier', $identifier)->first();
        if ($participant === null) {
            return null;
        }

        if ($withPermissionCheck) {
            $event = $eventRepository->getById($participant->event_id);
            if ($event === null) {
                return null;
            }
        }
        return $participant;
    }

    public function groupByLocalGroup(Event $event, Request $request) : array {
        $allParticipants = $this->getForList($event, $request);
        $participants = [];
        foreach ($allParticipants as $participant) {
            $participants[$participant['localgroup']][] = $participant;
        }

        return $participants;
    }

    public function groupByParticipationType(Event $event, Request $request) : array {
        $allParticipants = $this->getForList($event, $request);
        $participants = [];
        foreach ($allParticipants as $participant) {
            $participants[$participant['participationType']][] = $participant;
        }

        return $participants;
    }

    public function getParticipantsWithIntolerances(Event $event, Request $request) : array {
        $participants = [];
        foreach ($event->participants()->whereNotNull('intolerances')->whereNot('intolerances' , '=', '')->get() as $participant) {
            $participants[] = $participant->toResource()->toArray($request);
        };

        return $participants;
    }

    public function getKitchenOverview(Event $event) : array {
        $data = [];
        $participants = $event->participants()->get();


        for ($cur_date = $event->start_date; $cur_date <= $event->end_date; $cur_date->modify('+1 day')) {
            $dateKey = $cur_date->format('d.m.Y');

            $data[$dateKey] = [
                '1' => [],
                '2' => [],
                '3' => [],
            ];

            foreach (EatingHabit::all() as $eatingHabit) {
                $data[$dateKey]['1'][$eatingHabit->slug] = 0;
                $data[$dateKey]['2'][$eatingHabit->slug] = 0;
                $data[$dateKey]['3'][$eatingHabit->slug] = 0;
            }

            foreach ($participants as $participant) {
                $eatingHabitSlug = $participant->eating_habit;
                if ($eatingHabitSlug === null) {
                    continue;
                }

                $anreise = $participant->arrival_date;
                $abreise = $participant->departure_date;

                if ($anreise->getTimestamp() === $cur_date->getTimestamp()) {
                    switch ((int)$participant->arrival_eating) {
                        case 1:
                            $data[$dateKey]['3'][$eatingHabitSlug]++;
                            break;
                        case 2:
                            $data[$dateKey]['2'][$eatingHabitSlug]++;
                            $data[$dateKey]['3'][$eatingHabitSlug]++;
                            break;
                        case 3:
                            $data[$dateKey]['1'][$eatingHabitSlug]++;
                            $data[$dateKey]['2'][$eatingHabitSlug]++;
                            $data[$dateKey]['3'][$eatingHabitSlug]++;
                            break;
                    }
                } elseif ($abreise->getTimestamp() === $cur_date->getTimestamp()) {
                    switch ((int)$participant->departure_eating) {
                        case 1:
                            $data[$dateKey]['1'][$eatingHabitSlug]++;
                            break;
                        case 2:
                            $data[$dateKey]['1'][$eatingHabitSlug]++;
                            $data[$dateKey]['2'][$eatingHabitSlug]++;
                            break;
                        case 3:
                            $data[$dateKey]['1'][$eatingHabitSlug]++;
                            $data[$dateKey]['2'][$eatingHabitSlug]++;
                            $data[$dateKey]['3'][$eatingHabitSlug]++;
                            break;
                    }
                } else {
                    $data[$dateKey]['1'][$eatingHabitSlug]++;
                    $data[$dateKey]['2'][$eatingHabitSlug]++;
                    $data[$dateKey]['3'][$eatingHabitSlug]++;
                }
            }
        }

        return $data;
    }
}