<?php

namespace App\Http\Controllers;

use App\MultipleEvents;
use App\MultipleEventsParent;
use Carbon\Carbon;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Http\Request;
use Illuminate\Http\Response;
use Barryvdh\DomPDF\Facade as PDF;
//Not in use yet
use App\Event;
use App\News;
use App\Notification;
use App\Resource;
use App\UserEvent;

class MultipleEventsController extends Controller
{
    public function __construct()
    {
        $this->middleware([ "auth" ]);
        $this->middleware([ "lang" ]);

        $this->middleware([ "check.auth:event.show" ])->only("show", "index");
        $this->middleware([ "check.auth:event.create" ])->only("create", "store");
        $this->middleware([ "check.auth:event.edit" ])->only("edit", "update");
        $this->middleware([ "check.auth:event.delete" ])->only("delete");
    }

    /**
     * Display a listing of the resource.
     *
     * @return \Illuminate\Http\Response
     */
    public function index()
    {
        $multiEvents = MultipleEventsParent::join("multiple_events", "multiple_events.multiple_events_parent_id", '=', 'multiple_events_parent.id')->groupBy('multiple_events.multiple_events_parent_id', 'multiple_events_parent.id', 'multiple_events_parent.week', 'multiple_events_parent.resource_id', 'multiple_events_parent.created_at', 'multiple_events_parent.updated_at')->selectRaw('multiple_events_parent.*, max(date) as date')->get();

        /*
        $multiEvents = MultipleEventsParent::join("multiple_events", "multiple_events.multiple_events_parent_id", '=', 'multiple_events_parent.id')
            ->groupBy('multiple_events_parent_id')->orderBy('multiple_events.date', 'desc')
            ->selectRaw('multiple_events_parent.*, max(date) as date')
            ->get();
        */
        return Response::detect("multiple-events.index", [ "multiEvents" => $multiEvents]);
    }


    /**
     * Show the form for creating a new resource.
     *
     * @return \Illuminate\Http\Response
     */
    public function create()
    {
        //returns create multiple events blade file from the view folder
        return Response::detect("multiple-events.create");
    }

    /**
     * Store a newly created resource in storage.
     *
     * @param  \Illuminate\Http\Request  $request
     * @return \Illuminate\Http\Response
     */
    public function store(Request $request)
    {
        $requestBody = $request->validate([
            "week" => "required",
            "name" => "array",
            "description" => "array",
            "accountable" => "array",
            "date" => "array",
        ]);

        $multipleParent = new MultipleEventsParent();

        $multipleParent->week = $request->week;
        if($request->file("resource")) {
            $multipleParent->resource_id = ResourceController::store($request)->id;
        }
        $multipleParent->save();


        for ($i = 0; $i < count($requestBody["name"]); $i++) {
            $multi_event = new MultipleEvents();

            $multi_event->date = $requestBody['date'][$i];
            $multi_event->description = $requestBody['description'][$i];
            $multi_event->accountable = $requestBody['accountable'][$i];
            $multi_event->name = $requestBody['name'][$i];
            $multi_event->multiple_events_parent_id = $multipleParent->id;
            $multi_event->save();
        }

        //creates a new Event model with the given parameter
            $multiEventsGetEndDate = MultipleEventsParent::join("multiple_events", "multiple_events.multiple_events_parent_id", '=', 'multiple_events_parent.id')
                ->groupBy('multiple_events_parent_id')
                ->orderBy('multiple_events.date', 'desc')
                ->selectRaw('multiple_events_parent.*, max(date) as date')
                ->get();

            $multiEvents = MultipleEventsParent::query()->get();
            if($request->newsoption == true){
                $news = new News();
                $news->name = "Ny ugentlig aktivitet";
                $news->subname = $request->week;
                $news->arrangement_id = $multipleParent->id;
                $news->type_id = '5';
                $news->content = "Den ugentlige aktivitets plan for uge ".$request->week." er her!";
                $news->resource_id = $request->resource_id;
                $news->news_expiration_date = $multiEventsGetEndDate[0]->date;
                NewsController::storeAndGet($news);
            }

            return redirect()->route('events.index', ['multiEvents' => $multiEvents]);

    }

    /**
     * Display the specified resource.
     *
     * @param  \App\MultipleEvents  $multipleeventsController
     * @return \Illuminate\Http\Response
     */
    public function show($id)
    {
        $multiEvents = MultipleEvents::where('multiple_events.multiple_events_parent_id', '=', $id)->orderBy('date')->get();
        $multiEventParent = MultipleEventsParent::find($id);

        return Response::detect("multiple-events.show", [ "week" => $multiEventParent->week, "multiEvents" => $multiEvents]);
    }

    /**
     * Display signups for event.
     *
     * @param  int  $id
     * @return \Illuminate\Contracts\Foundation\Application|\Illuminate\Contracts\View\Factory|\Illuminate\View\View
     */
    public function accountsignups(Request $request)
    {
        // Find every event you have clicked on. And find all users to that event, and the event name itself.
        $events = UserEvent::join('users', 'users.id', '=', 'user_events.user_id')->where('multiple_event_id', $request->multiEvent)->select('user_events.*', 'users.name_first', 'users.name_last', 'users.phone')->get();

        if (count($events) == 0)
            $events = Event::where('id', $request->event)->get();

        return Response::detect("multiple-events.signups", [ "multiEvent" => $events ]);
    }

    /**
     * Show the form for editing the specified resource.-
     *
     * @param  int  $id
     * @return \Illuminate\Contracts\Foundation\Application|\Illuminate\Contracts\View\Factory|\Illuminate\View\View
     */
    public function edit($id)
    {
        $multiEvents = MultipleEvents::where('multiple_events_parent_id', '=', $id)->get();
        $parentEvent = MultipleEventsParent::find($id);
        return Response::detect("multiple-events.edit", ["multiEvents" => $multiEvents, "parentEvent" => $parentEvent]);
    }

    /**
     * Update the specified resource in storage.
     *
     * @param  \Illuminate\Http\Request  $request
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    public function update(Request $request, $id)
    {
        $requestBody = $request->validate([
            "week" => "required",
            "name" => "array",
            "description" => "array",
            "accountable" => "array",
            "date" => "array",
        ]);

        $parentEvent = MultipleEventsParent::find($id);

        if($request->file("resource")) {
            $parentEvent->update(["week" => $request->week, "resource_id" => ResourceController::store($request)->id]) ;
        } else
            $parentEvent->update(["week" => $request->week]);

        if (!empty($requestBody["name"])) {
            foreach ($requestBody["name"] as $key => $singleEvent) {
                if ($key == "new") {
                    //dd(count($s));
                    for ($i = 0; $i < count($singleEvent); $i++) {
                        $multi_event = new MultipleEvents();
                        $multi_event->name = $requestBody["name"]["new"][$i];
                        $multi_event->description = $requestBody["description"]["new"][$i];
                        $multi_event->accountable = $requestBody["accountable"]["new"][$i];
                        $multi_event->date = $requestBody["date"]["new"][$i];
                        $multi_event->multiple_events_parent_id = $id;
                        $multi_event->save();
                    }
                } else {
                    $event = MultipleEvents::find($key);
                    $event->update(["name" => $requestBody["name"][$key][0], "description" => $requestBody["description"][$key][0], "accountable" => $requestBody["accountable"][$key][0], "date" => date("Y-m-d H:i:s", strtotime($requestBody["date"][$key][0]))]);
                }
            }


            $multiEventsGetEndDate = MultipleEventsParent::join("multiple_events", "multiple_events.multiple_events_parent_id", '=', 'multiple_events_parent.id')
                ->groupBy('multiple_events_parent_id')
                ->orderBy('multiple_events.date', 'desc')
                ->selectRaw('multiple_events_parent.*, max(date) as date')
                ->get();

            if ($request->newsoption == true) {
                $news = new News();
                $news->name = "Opdateret ugentlig aktivitet";
                $news->subname = $request->week;
                $news->arrangement_id = $parentEvent->id;
                $news->type_id = '5';
                $news->content = "Den ugentlige aktivitets plan for uge " . $request->week . " er opdateret!";
                $news->resource_id = $request->resource_id;
                $news->news_expiration_date = $multiEventsGetEndDate[0]->date;

                NewsController::storeAndGet($news);
            }
        }

        $events = Event::query()->orderBY('date' , 'asc')->get();
        return Response::detect("events.index", [ "events" => $events]);
    }

    /**
     * Remove the specified resource from storage.
     *
     * @param  \App\MultipleEvents  $multipleeventsController
     * @return \Illuminate\Http\Response
     */
    public function destroy(Request $request, $id)
    {
        if ($request->signup != null) { // If input signup is not empty, which has been set when you look at the individuel signup, then delete the user who have signed up for the specific week event
            $UserEvent = UserEvent::find($id);
            $UserEvent->delete();

            return 1;
        } elseif ($request->onlyMultiEvent != null) { // Delete a single event from multiple events, and all its signups
            $userEvents = UserEvent::where('multiple_event_id', '=', $id)->get();
            $multiEvent = MultipleEvents::find($id);

            foreach ($userEvents as $ue) {
                $ue->delete();
            }

            $multiEvent->delete();

            return 1;
        } else { // Delete all multiple events and signups, from the parent/weekly event
            $multiparent = MultipleEventsParent::find($id);
            $multievent = MultipleEvents::where('multiple_events_parent_id', '=', $id)->get();

            foreach ($multievent as $me) {
                foreach (UserEvent::where('multiple_event_id', '=', $me->id)->get() as $ue) {
                    $ue->delete();
                }
                $me->delete();
            }
            $news = News::query()->join('news_types', 'news_types.id', '=', 'news.type_id')->where("type", "=", "MultipleEvent")->where("arrangement_id", "=", $id);
            $news->delete();

            $multiparent->delete();

            return 1;
        }
    }

    public function previewPages(Request $request){
        /*if(!Resource::find($request->preview)){
            $multipleEventsParent = MultipleEventsParent::find($request->preview);
            $multipleEvents = MultipleEvents::where('multiple_events_parent_id', '=', $multipleEventsParent->id)->get();
        } else {*/
            //$multipleEventsParent = MultipleEventsParent::find($request->preview);
        $multipleEventsParent = MultipleEventsParent::leftJoin('resources', 'resources.id', '=', 'multiple_events_parent.resource_id')->where('multiple_events_parent.id', '=', $request->preview)->select('multiple_events_parent.*', 'resources.filename')->first();
        $multipleEvents = MultipleEvents::where('multiple_events_parent_id', '=', $multipleEventsParent->id)->get();
        //}

        return [$multipleEventsParent, $multipleEvents];
    }


    public function genPDF($Id){
        $multiEvent = MultipleEventsParent::query()->join("multiple_events", "multiple_events.multiple_events_parent_id", "=", "multiple_events_parent.id")->where("multiple_events_parent.id", "=", $Id)->orderBy('multiple_events.date', 'asc')->get();
        $pdf = PDF::loadView('multipdf.multipleevent', ["multiEvent" => $multiEvent]);

        $pdf->setPaper('A4', 'landscape');

        return $pdf->stream("ugentligt_aktivitet_uge_".$multiEvent[0]->week.".pdf");

    }

    public function signups(Request $request)
    {
        // Find every event you have clicked on. And find all users to that event, and the event name itself.
        //$multiEvents = UserEvent::join('users', 'users.id', '=', 'user_events.user_id')->join('multiple_events', 'multiple_events.id', '=', 'user_events.multiple_event_id')->where('multiple_event_id', '=', $request->multipleEvent)->get();

        $multiEvents = MultipleEvents::where('multiple_events_parent_id', '=', $request->multipleEvent)->get();
        //if (count($multiEvents) == 0)
        //    $multiEvents = MultipleEvents::where('id', '=', $request->multipleEvent)->get();

        return Response::detect("multiple-events.signups", [ "multiEvent" => $multiEvents ]);
    }

}