<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;
use Illuminate\Support\Facades\DB;
use Auth;
use Illuminate\Support\Facades\Hash;
use Kreait\Firebase\Factory;
use Response;
use App\Http\Requests\LambdaRequest;

class QuizController extends Controller
{
    /**
     * Create a new controller instance.
     *
     * @return void
     */

    protected $_options;
    protected $_corrects;
    public function __construct()
    {
        $this->middleware('auth');
        $this->_service = 'form';
        $this->_module = 'quiz';
        $this->_viewname = 'quiz';
        $this->_title = 'Quiz';
        $this->_base_url = '/quiz';
    }

    protected function get_list_fields(){
        return [
            'actions' => ['title' => 'Actions', 'buttons' => [ 'edit', 'delete', 'submission' => ['icon' => 'form-select', 'querystring' => 'id={ID}'] ] ],
            'name' => ['title' => 'Name', 'type' => 'text'],
            'show_score' => ['title' => 'Show Score', 'type' => 'text'],
            'show_answers' => ['title' => 'Show Answers', 'type' => 'text'],
            'number_attempts' => ['title' => 'No. of Attempts', 'type' => 'text'],
            'start_time' => ['title' => 'Start Time', 'type' => 'text'],
            'end_time' => ['title' => 'End Time', 'type' => 'text'],
            'status' => ['title' => 'Status', 'type' => 'select'],
        ];
    }


    protected function get_form_fields($type, $values){
        $metrics = $this->getlambda('get', 'metric', 'metric', 'get_all');
        $metric_dd = [];
        foreach($metrics->data->items as $metric){
            $metric_dd[$metric->id] = $metric->name;
        }
        
        return [
            'name' => ['title' => 'Name', 'type' => 'text', 'required' => true, 'fullwidth' => true],
            'show_score' => ['title' => 'Show Score', 'type' => 'select', 'required' => true, 'values' => ['Yes' => 'Yes', 'No' => 'No' ]],
            'show_answers' => ['title' => 'Show Answers', 'type' => 'select', 'required' => true, 'values' => ['Yes' => 'Yes', 'No' => 'No' ]],
            'limit_attempts' => ['title' => 'Limit Attempts', 'type' => 'select', 'required' => true, 'values' => ['Yes' => 'Yes', 'No' => 'No' ]],
            'number_attempts' => ['title' => 'No. of attempts', 'type' => 'number', 'required' => true],
            'start_time' => ['title' => 'Start Time', 'type' => 'datetime', 'required' => true],
            'end_time' => ['title' => 'End Time', 'type' => 'datetime', 'required' => true],
            'quiz_type' => ['title' => 'Quiz Type', 'type' => 'select', 'required' => true, 'values' => ['quiz' => 'Quiz', 'poll' => 'Poll']],
            'status' => ['title' => 'Status', 'type' => 'select', 'required' => true, 'values' => ['active' => 'Active', 'disabled' => 'Disabled'] ],
            'score_metric' => ['title' => 'Score Metric', 'type' => 'select', 'values' => $metric_dd, 'required' => true],
        ];
    }

    public function form($type, $id = null) {
        $values = [];
        $questions = [];
        if($type == 'edit') {
            $this->_request->session()->put('current_quiz', $id);
            $response = LambdaRequest::signedrequest('get', $this->_service, $this->_module.'/get_one', ['id' => $id]);
            $values = $response->data->item;

            $questions = LambdaRequest::signedrequest('get', $this->_service, 'quizquestion/get_all', ['entity_id' => $id]);
            $questions = $questions->data->items;
        }
        $data = $this->_beforeform($type, $values);
        $fields = $this->get_form_fields($type, $values);

        return $this->view('form')->with([
            'title' => $this->_title,
            'mode' => $type,
            'fields' => $fields,
            'base_url' => $this->_base_url,
            'item' => $values,
            'questions' => $questions
        ]);
    }

    public function addquestion($request) {
        $post = $request->input();
        $quiz_id = $request->session()->get('current_quiz');
        return $this->view('question-form')->with('quiz_id', $quiz_id)->with('edit', false);
    }
    public function editquestion($request) {
        $post = $request->input();
        $quiz_id = $request->session()->get('current_quiz');
        $question = LambdaRequest::signedrequest('get', $this->_service, 'quizquestion/get_one', ['id' => $post['id']]);
        $question = $question->data->item;
        return $this->view('question-form')->with('quiz_id', $quiz_id)->with('edit', true)->with('question', $question);
    }

    public function postaddquestion($request) {
        $post = $request->input();
        $quiz_id = $request->session()->get('current_quiz');
        $options = [];
        foreach ($post['options'] as $index => $value) {
            $options[] = ['option' => $value, 'is_correct' => ($index == $post['correct_ans']) ];
        }
        LambdaRequest::signedrequest('post', $this->_service, 'quizquestion/create', ['entity_id' => $quiz_id, 'question' => $post['question'], 'options' => $options]);
        $message = 'Question added successfully!';
        return redirect('/quiz/edit?id='.$quiz_id)->with('message', $message);
    }

    public function posteditquestion($request) {
        $post = $request->input();
        //echo '<pre>'; print_r($post); exit;
        $quiz_id = $request->session()->get('current_quiz');
        $options = [];
        foreach ($post['options'] as $index => $value) {
            $options[] = ['option' => $value, 'is_correct' => ($index == $post['correct_ans']) ];
        }
        LambdaRequest::signedrequest('post', $this->_service, 'quizquestion/update', ['id' => $post['id'], 'entity_id' => $quiz_id, 'question' => $post['question'], 'options' => $options]);
        $message = 'Question added successfully!';
        return redirect('/quiz/edit?id='.$quiz_id)->with('message', $message);
    }


    public function questions(Request $request) {
        $entity_id = $request->input('id', 0);
        if($entity_id === 0) {
            return redirect('/quizs')->withError('Quiz not found!');
        } else {
            $request->session()->put('entity_id', $entity_id);
            return redirect('/quizquestions');
        }
    }

    public function submission(Request $request) {
        $entity_id = $request->input('id', 0);
        if($entity_id === 0) {
            return redirect('/quizs')->withError('Quiz not found!');
        } else {
            $request->session()->put('entity_id', $entity_id);
            return redirect('/quizsubmissions');
        }
    }
}