<?php
/**
 * Created by PhpStorm.
 * User: lucas
 * Date: 10/05/18
 * Time: 13:03
 */

namespace api\module\department;


use database\core\Repo;
use database\repo\cours;
use database\repo\formation;
use database\repo\td;
use database\repo\tp;
use database\repo\ue;
use PhpOffice\PhpSpreadsheet\Reader\Xls\Style\Border;
use PhpOffice\PhpSpreadsheet\Spreadsheet;
use PhpOffice\PhpSpreadsheet\Style\Borders;

class exportController
{

    public function get($args){
        /** @var ue $ueRepo */
        $ueRepo = Repo::getRepo("ue");
        /** @var cours $cmRepo */
        $cmRepo = Repo::getRepo("cours");
        /** @var td $tdRepo */
        $tdRepo = Repo::getRepo("td");
        /** @var tp $tpRepo */
        $tpRepo = Repo::getRepo("tp");
        /** @var formation $formationRepo */
        $formationRepo = Repo::getRepo("formation");

        $ues = $ueRepo->exportUE();
        $formations = [];

        //cache formations labels
        foreach ($formationRepo->get(null) as $form){
            $formations[$form["idForm"]] = $form["labelForm"];
        }

        $formatFormations = function(String $formationsId) use ($formations) : String{
            $returned = "";
            foreach (json_decode($formationsId,true) as $form){
                $returned .= $formations[$form]."+";
            }

            return rtrim($returned,"+");
        };

        $spreadsheet = new Spreadsheet();
        $excel = $spreadsheet->getActiveSheet();

        //set up base document
        $arrayHeaders = ["Code","Intitulé","Statut","V.H.","Cours","NbGr","Enseignant","TD","NbGr","Enseignant","TP","NbGr","Enseignant","Equ. TD","Total"];
        $excel->setCellValue("B2","CODIFICATION DES UE");
        $i = 1;
        foreach ($arrayHeaders as $header){
            $excel->setCellValueByColumnAndRow($i,4,$header);
            $i++;
        }

        $excel->freezePane("O5");

        //set up state variables
        $currentFormation = null;
        $currentLine = 5;

        foreach ($ues as $ue){
            if($currentFormation != $ue["labelFormation"]){
                $currentFormation = $ue["labelFormation"];
                $excel->setCellValue("A$currentLine",$ue["labelFormation"]);
                $excel->getStyle("A$currentLine")->getFont()->setBold(true)->setSize(11);
                $excel->getStyle("A$currentLine:O$currentLine")->getBorders()->getTop()->setBorderStyle(\PhpOffice\PhpSpreadsheet\Style\Border::BORDER_DOUBLE);
                $currentLine += 2;
            }

            //get all groups data
            $cm = $cmRepo->getGroups($ue["code"]);
            $td = $tdRepo->getGroups($ue["code"]);
            $tp = $tpRepo->getGroups($ue["code"]);

            //set UE header
            $nbrGroupeCM = count($cm);
            $nbrGroupeTD = count($td);
            $nbrGroupeTP = count($tp);

            $volumeUE = $ue["volumeCours"] + $ue["volumeTD"] + $ue["volumeTP"];
            $equiTDUE = $nbrGroupeCM*1.5*$ue["volumeCours"] + $nbrGroupeTD*$ue["volumeTD"] + $nbrGroupeTP*$ue["volumeTP"];

            $excel->setCellValue("A$currentLine",$ue["code"]);
            $excel->setCellValue("B$currentLine",$ue["label"]);
            $excel->setCellValue("C$currentLine",$ue["required"] == 1? "OBL" : "OPT");
            $excel->setCellValue("D$currentLine","$volumeUE");
            $excel->setCellValue("E$currentLine","{$ue["volumeCours"]}");
            $excel->setCellValue("F$currentLine","$nbrGroupeCM");
            $excel->setCellValue("H$currentLine","{$ue["volumeTD"]}");
            $excel->setCellValue("I$currentLine","$nbrGroupeTD");
            $excel->setCellValue("K$currentLine","{$ue["volumeTP"]}");
            $excel->setCellValue("L$currentLine","$nbrGroupeTP");
            $excel->setCellValue("O$currentLine","$equiTDUE");

            $excel->getStyle("A$currentLine:O$currentLine")->getFont()->setBold( true )->setSize(9);
            $currentLine++;

            $nbrLine = max($nbrGroupeCM,$nbrGroupeTD,$nbrGroupeTP)-1;
            foreach (range(0,$nbrLine) as $n){
                $excel->setCellValue("A$currentLine",$ue["code"]);
                $excel->setCellValue("B$currentLine",$ue["label"]);

                $equiTD = 0;
                if(isset($cm[$n])){
                    $excel->setCellValue("E$currentLine","{$cm[$n]["volume"]}");
                    $excel->setCellValue("F$currentLine",$formatFormations($cm[$n]["formations"]));
                    $excel->setCellValue("G$currentLine",$cm[$n]["lastName"]." ".$cm[$n]["firstName"]);
                    $equiTD += 1.5*$cm[$n]["volume"];
                }

                if(isset($td[$n])){
                    $excel->setCellValue("H$currentLine","{$td[$n]["volume"]}");
                    $excel->setCellValue("I$currentLine",$formatFormations($td[$n]["formations"]));
                    $excel->setCellValue("J$currentLine",$td[$n]["lastName"]." ".$td[$n]["firstName"]);
                    $equiTD += $td[$n]["volume"];
                }

                if(isset($tp[$n])){
                    $excel->setCellValue("K$currentLine","{$tp[$n]["volume"]}");
                    $excel->setCellValue("L$currentLine",$formatFormations($tp[$n]["formations"]));
                    $excel->setCellValue("M$currentLine",$tp[$n]["lastName"]." ".$tp[$n]["firstName"]);
                    $equiTD += $tp[$n]["volume"];
                }

                $excel->setCellValue("N$currentLine","$equiTD");

                $excel->getStyle("A$currentLine:O$currentLine")->getFont()->setSize(8);

                $currentLine++;
            }
            $currentLine++;
        }


        //resize all columns
        foreach(range('A','O') as $columnID) {
            $excel->getColumnDimension($columnID)->setAutoSize(true);
        }

        //set content type headers
        // header("Content-Type: application/vnd.openxmlformats-officedocument.spreadsheetml.sheet");

        //reating writer
        $writer = new \PhpOffice\PhpSpreadsheet\Writer\Xls($spreadsheet);

        //as phpSpreadSheet do not support output on the buffer, we have to write in a temp file then read it

        //create temporary file;
        $file = tmpfile();

        //get URI
        $metaDatas = stream_get_meta_data($file);
        $tmpFilename = $metaDatas['uri'];

        //close file pointer
        fclose($file);

        //write data
        $writer->save("$tmpFilename");

        //get file content
        return [
			'headers' => [
				'Content-Type' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
				'Content-Disposition'       => 'attachment; filename=archive.xls'
			],
			'body' => file_get_contents($tmpFilename)
		];
    }

}