<?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;
use Log;

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

    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("-1 year") );

        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;
        $fields = [
            //'user' => ['title' => 'Submitted By', 'type' => 'text'],
            //'date' => ['title' => 'Record Date', 'type' => 'text'],
            'sdate' => ['title' => 'Submitted On', 'type' => 'text'],
        ];
        foreach($response->data->questions as $qid => $question){
            if($question->type != 'label') {
                if (is_object($question->label) && isset($question->label->header)) {
                    $fields['field_'.$question->label->attribute] = ['title' => $question->label->header, 'type' => 'text'];
                } else {
                    $fields['field_'.$qid] = ['title' => $question->label, 'type' => 'text'];
                }
            }
        }

        Log::debug(print_r($response->data->submissions, true));

        $items = [];
        foreach($response->data->submissions as $submission) {
            $item = ['sdate' => date("d M Y", strtotime($submission->createdAt))];
            foreach($response->data->questions as $qid => $question){
                if($question->type != 'label') {
                    if (is_object($question->label) && isset($question->label->attribute)) {
                        $qid = $question->label->attribute;
                    }
                    if(is_array($submission->formdata->{$qid})){
                        $item['field_'.$qid] = implode(', ', $submission->formdata->{$qid});
                    }
                    elseif (is_object($submission->formdata->{$qid})) {
                        
                        $formatted = [];
                        foreach ($submission->formdata->{$qid} as $k => $v) {
                            $formatted[] = "$k: $v";
                        }
                        $item['field_'.$qid] = implode(', ', $formatted);
                    }
                    else{
                        $item['field_'.$qid] = count((array)$question->options) > 0 && isset($question->options->{ $submission->formdata->{$qid} }) ? $question->options->{ $submission->formdata->{$qid} } : $submission->formdata->{$qid};
                    }

                }
            }
            $items[] = (object)$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);
        $fields = ['Submitted On'];
        foreach($response->data->questions as $qid => $question){
            if($question->type != 'label') {
                if (is_object($question->label) && isset($question->label->header)) {
                    $fields[] = $question->label->header;
                } else {
                    $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) {
            $item = [date("d M Y", strtotime($submission->createdAt))];
            foreach($response->data->questions as $qid => $question){
                if($question->type != 'label') {
                    if (is_object($question->label) && isset($question->label->attribute)) {
                        $qid = $question->label->attribute;
                    }
                    if(is_array($submission->formdata->{$qid})){
                        $item[] = implode(', ', $submission->formdata->{$qid});
                    }else if(is_object($submission->formdata->{$qid})){
                        $pairs = [];
                        foreach ($submission->formdata->{$qid} as $k => $v) {
                            $pairs[] = "$k: $v";
                        }
                        $item[] = implode(', ', $pairs);
                    }else{
                        $item[] = $submission->formdata->{$qid};
                    }
                }
            }
            $exceldata[] = $item;
        }
        return Excel::download(new InvoicesExport($exceldata), 'report.xlsx');
    }
}