<?php

namespace App\Http\Controllers;

use App\Models\Activity;
use App\Models\User;
use App\Models\Recipients;
use App\Models\Prize;
use App\Models\CheckIn;
use App\Http\Requests\StoreActivityRequest;
use App\Http\Requests\UpdateActivityRequest;
use App\Http\Controllers\Controller;
use Illuminate\Http\Request;
use PhpOffice\PhpSpreadsheet\Spreadsheet;
use PhpOffice\PhpSpreadsheet\Reader\IReader;
use PhpOffice\PhpSpreadsheet\Reader\Csv;
use PhpOffice\PhpSpreadsheet\Reader\Xlsx;
use PhpOffice\PhpSpreadsheet\Reader\Xls;
use PhpOffice\PhpSpreadsheet\IOFactory;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\File;


class ActivityController extends Controller
{
    /**
     * Display a listing of the resource.
     *
     * @return \Illuminate\Http\Response
     */
    public function index()
    {
        //
        $activities = Activity::all();
        return $activities;
    }

    public function get_activity_by_id(Request $request)
    {
        return Activity::where('id', $request->id)->first();
    }

    /**
     * Show the form for creating a new resource.
     *
     * @return \Illuminate\Http\Response
     */
    public function create()
    {
        //
    }

    /**
     * Store a newly created resource in storage.
     *
     * @param  \App\Http\Requests\StoreActivityRequest  $request
     * @return \Illuminate\Http\Response
     */
    public function store(StoreActivityRequest $request)
    {
        //
        $activity = new Activity;
        $activity->activity_name = $request->activity_name;
        $activity->date = $request->date;
        $activity->place = $request->place;
        $activity->user_id = $request->user_id;
        $activity->deadline = $request->deadline;
        $activity->save();
    }

    /**
     * Display the specified resource.
     *
     * @param  \App\Models\Activity  $activity
     * @return \Illuminate\Http\Response
     */
    public function show(Request $request,Activity $activity)
    {
        //
        $activity = Activity::where('id', '=', $request->activity_id)->first();
        return $activity;
    }

    /**
     * Show the form for editing the specified resource.
     *
     * @param  \App\Models\Activity  $activity
     * @return \Illuminate\Http\Response
     */
    public function edit(Activity $activity)
    {
        //
    }

    /**
     * Update the specified resource in storage.
     *
     * @param  \App\Http\Requests\UpdateActivityRequest  $request
     * @param  \App\Models\Activity  $activity
     * @return \Illuminate\Http\Response
     */
    public function update(UpdateActivityRequest $request, Activity $activity)
    {
        //
        Activity::where('id', '=', $request->activity_id)->update([
            'activity_name' => $request->activity_name,
            'date' => $request->date,
            'place' => $request->place,
            'user_id' => $request->user_id,
            'deadline' => $request->deadline,
        ]);
    }

    /**
     * Remove the specified resource from storage.
     *
     * @param  \App\Models\Activity  $activity
     * @return \Illuminate\Http\Response
     */
    public function destroy(Activity $activity)
    {
        //
    }

    public function claim(Request $request)
    {
        $prize = '';
        $prize_id = 0;
        $isClaimed = false;
        $user_id = $request->user_id;
        $activity_id = $request->activity_id;
        $user = CheckIn::where('activity_id', '=', $activity_id)
            ->where('user_id', '=', $user_id)->get()[0];

        if (Recipients::where('user_id', '=', $user_id)->exists()) {
            $recipients = Recipients::where('user_id', '=', $user_id)->get()[0];
            $prize_id = $recipients->prize_id;
            //因為重新匯入後prize_id在prize下面有改動，但是在recipients下面沒有改動，因此會有問題產生
            //檢查prize_id是不是在activity_id底下
            $aid = Prize::where('id', '=', $prize_id)->get()[0]->activity_id;

            if ($aid == $activity_id) {
                $isRecipients = true;
                $isClaimed = $recipients->is_claimed;
                $prize = Prize::where('id', '=', $prize_id)->get()[0]->name;
            } else {
                $isRecipients = false;
            }
        } else {
            $isRecipients = false;
        }

        $response = [
            'user' => $user,
            'isRecipients' => $isRecipients,
            'isClaimed' => $isClaimed,
            'prize' => $prize,
            'prize_id' => $prize_id,
        ];

        return response($response, 201);
    }


    //這邊有兩種insert，要怎麼處理StoreRequest?
    public function uploadFile(Request $request)
    {
        $option = $request->option;
        $activity_id = $request->activity_id;
        if($activity_id == 'undefined'){
            $activity_id = Activity::orderBy('id', 'DESC')->first()->id;
        }

        $upload_path = public_path('upload');
        $file_name = $request->file->getClientOriginalName();
        $file_path = $upload_path . '/' . $file_name;
        if (File::exists($file_path)) {
            File::delete($file_path);
        }
        $request->file->move($upload_path, $file_name);

        $extension = pathinfo($file_path, PATHINFO_EXTENSION);
        if ('csv' == $extension) {
            $reader = new \PhpOffice\PhpSpreadsheet\Reader\Csv();
        } else if ('xls' == $extension) {
            $reader = new \PhpOffice\PhpSpreadsheet\Reader\Xls();
        } else if ('xlsx' == $extension) {
            $reader = new \PhpOffice\PhpSpreadsheet\Reader\Xlsx();
        }
        $reader->setReadDataOnly(true);
        $reader->setReadEmptyCells(false);
        $inputFileName = public_path('upload') . '\\' . $file_name;
        $spreadsheet = $reader->load($inputFileName);
        $worksheet = $spreadsheet->getActiveSheet();
        $highestRow = $worksheet->getHighestDataRow();

        if ($option == 'prize') {
            DB::table('prizes')->where('activity_id', '=', $activity_id)->delete();
            date_default_timezone_set('Asia/Taipei');
            for ($row = 2; $row <= $highestRow; $row++) {
                DB::table('prizes')->insert([
                    'activity_id' => $activity_id,
                    'name' => $worksheet->getCell([1, $row])->getValue(),
                    'count' => $worksheet->getCell([2, $row])->getValue(),
                    'provider' => $worksheet->getCell([3, $row])->getValue(),
                    'created_at' => now(),
                    'updated_at' => now(),
                ]);
            }
        } else if ($option == 'guest') {
            DB::table('check_ins')->where('region', '=', '來賓')->delete();
            date_default_timezone_set('Asia/Taipei');
            for ($row = 2; $row <= $highestRow; $row++) {
                DB::table('check_ins')->insert([
                    'user_id' => $worksheet->getCell([1, $row])->getValue(),
                    'name' => $worksheet->getCell([2, $row])->getValue(),
                    'department_id' => '空',
                    'region' => '來賓',
                    'is_checked_in' => false,
                    'activity_id' => $activity_id,
                    'created_at' => now(),
                    'updated_at' => now(),
                ]);
            }
        }

        $successText = 'You have successfully uploaded "' . $file_name . '"';
        $response = [
            'success' => $successText,
        ];

        return response($response, 201);
    }
}