<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;
use App\Http\Requests\LambdaRequest;
use DB;

use League\Csv\Reader;
use Auth;

use Maatwebsite\Excel\Facades\Excel;
use App\Exports\InvoicesExport;

class QuizsubmissionController extends Controller
{
    public function __construct()
    {
        $this->middleware('auth');
        $this->_service = 'form';
        $this->_module = 'quiz';
        $this->_viewname = 'quizsubmission';
        $this->_title = ' : Submitted Data';
        $this->_base_url = '/quizsubmission';
    }

    protected function get_list_buttons()
    {
        return [['title' => 'Date Filter', 'link' => '#.'], ['title' => 'Export Excel', 'link' => $this->_base_url . '/export']];
    }

    public function list(Request $request)
    {
        $user = Auth::user();
        $form_id = $request->session()->get('entity_id');
        $post = $request->input();
        if (isset($post['startdate']))
            $startdate = $post['startdate'];
        else
            $startdate = date("Y/m/d", strtotime("-365 day"));

        if (isset($post['enddate']))
            $enddate = $post['enddate'];
        else
            $enddate = date("Y/m/d", strtotime("now") + 86400);

        $reqdata = ["partition" => 'rapport-' . $user->domain, "form_id" => $form_id, "alldata" => true, "date_range" => $startdate . '_' . $enddate];
        $request->session()->put('formdata_request', $reqdata);
        //echo '<pre>'; print_r($reqdata); exit;
        $response = LambdaRequest::signedrequest('post', $this->_service, $this->_module . '/getformhistory', $reqdata);
        if ($response->statusCode == 401) {
            return redirect('/unauthorised');
        }
        //echo '<pre>'; print_r($response); exit;
        $fields = [
            'user' => ['title' => 'Submitted By', 'type' => 'text'],
            'date' => ['title' => 'Record Date', 'type' => 'text'],
            'sdate' => ['title' => 'Submitted On', 'type' => 'text'],
            'total_questions' => ['title' => 'Total Questions', 'type' => 'text'],
            'correct_answers' => ['title' => 'Correct Answers', 'type' => 'text'],
            'time_taken' => ['title' => 'Time Taken (in Sec)', 'type' => 'text'],
        ];
        foreach ($response->data->questions as $qid => $question) {
            $fields['field_' . $qid] = ['title' => $question->label, 'type' => 'text'];
        }
        //echo '<pre>';
        // print_r($fields);  
        // exit;
        $items = [];
        // print_r($response->data->questions);  
        
        //echo '<pre>'; print_r($response->data->submissions); exit; 
        
        foreach ($response->data->submissions as $submission) {
            $item = ['user' => $submission->user_info->name,
                    'date' => date("d M Y", strtotime($submission->record_date)),
                    'sdate' => date("d M Y", strtotime($submission->createdAt)),
                    'total_questions' => $submission->total_questions,
                    'correct_answers' => $submission->correct_answers,
                    'time_taken' => $submission->time_taken,
                    ];
            foreach ($response->data->questions as $qid => $question) {
                $item['field_' . $qid] = $submission->formdata->{$qid} ? 'Correct' : 'Incorrect';
            }
            $items[] = (object)$item;
        }
        //echo '<pre>';  print_r($items); exit; 

        return $this->view('list')->with([
            'title' => $response->data->formname . $this->_title,
            'fields' => $fields,
            'base_url' => $this->_base_url,
            'items' => $items,
            'buttons' => $this->get_list_buttons(),
            'startdate' => $startdate,
            'enddate' => $enddate
        ]);
    }

    public function export(Request $request)
    {
        $reqdata = $request->session()->get('formdata_request');
        //$reqdata = ["partition" => 'rapport-vitalis1', "form_id" => '1650365457-c86bd7f2-a33c-49a5-9671-3c2511b57f3b', "alldata" => true, "date_range" => '2022/_'.$enddate ];
        $response = LambdaRequest::signedrequest('post', $this->_service, $this->_module . '/getformhistory', $reqdata);
        //echo '<pre>'; print_r($reqdata); print_r($response); exit;
        $fields = ['Submitted By', 'User identification', 'Email', 'Employee Code', 'Record Date', 'Submitted On', 'Total Questions', 'Correct Answers', 'Time Taken (in Sec)'];
        foreach ($response->data->questions as $qid => $question) {
            $fields[] = $question->label;
        }
        list($startdate, $enddate) = explode('_', $reqdata['date_range']);
        $exceldata = [];
        $exceldata[] = [ucwords($response->data->formname . $this->_title) . ' Report'];
        $exceldata[] = ['Start Date: ' . date("d M Y", strtotime($startdate))];
        $exceldata[] = ['End Date: ' . date("d M Y", strtotime($enddate))];
        $exceldata[] = [''];
        $exceldata[] = $fields;

        foreach ($response->data->submissions as $submission) {
            $item = [$submission->user_info->name,
                    $submission->user_info->id,
                    $submission->email,
                    $submission->employee_code,
                    date("d M Y", strtotime($submission->record_date)),
                    date("d M Y", strtotime($submission->createdAt)),
                    $submission->total_questions,
                    $submission->correct_answers,
                    $submission->time_taken,
                ];
            foreach ($response->data->questions as $qid => $question) {
                $item[] = $submission->formdata->{$qid} ? 'Correct' : 'Incorrect';
            }
            $exceldata[] = $item;
        }
        return Excel::download(new InvoicesExport($exceldata), 'report.xlsx');
    }
}