<?php defined('SYSPATH') or die('No direct script access.');

class Controller_Teacher_Index extends Controller_UserEnvi {

    public function action_index()
    {
        $twig = Twig::factory('teacher/index');
        
        $model = new Model_Teacher_Index;
        $disciplines = $model->getDisciplinesForTeacher($this->UserInfo['TeacherID']);
        $subjectsHandled = array(); $subjID = $discID = $i = $j = $k = 0;
        
        foreach ($disciplines as $row) {
            
            if($subjID != $row['SubjectID'])
            {
                $i++; $j = $k = 0;
                $subjID = $row['SubjectID'];
            }
            $subjectsHandled['Subjects'][$i]['Title'] = $row['SubjectName'];
            
            if($discID != $row['DisciplineID'])
            {
                $j++; $k = 0;
                $discID = $row['DisciplineID'];
            }
            
            $subjectsHandled['Subjects'][$i]['Disciplines'][$j]['ID'] = $row['DisciplineID'];
            $subjectsHandled['Subjects'][$i]['Disciplines'][$j]['GradeNum'] = $row['StudyGroupGrade'];
            $subjectsHandled['Subjects'][$i]['Disciplines'][$j]['ControlType'] = $this->getControlType($row['DisciplineType']);
            $subjectsHandled['Subjects'][$i]['Disciplines'][$j]['Teachers'] = $this->getTeachersForDiscipline($discID);
            
            $k++;
            $subjectsHandled['Subjects'][$i]['Disciplines'][$j]['Groups'][$k]['Count'] = 10;
            $subjectsHandled['Subjects'][$i]['Disciplines'][$j]['Groups'][$k]['Num'] = $row['StudyGroupNum'];
            $subjectsHandled['Subjects'][$i]['Disciplines'][$j]['Groups'][$k]['ID'] = $row['StudyGroupID'];
        }
        $twig->content = $subjectsHandled;
        $twig->User = $this->UserInfo;
        $this->response->body($twig);
    }
    
    public function action_settings() {
        $twig = Twig::factory('settings');
        $twig->User = $this->UserInfo;
        $this->response->body($twig);
    }
    
    protected function getControlType($type)
    {
        if($type == 'exam')
        {
            return 'Экзамен';
        }
        elseif($type == 'credit')
        {
            return 'Зачет';
        }
    }
    
    protected function getTeachersForDiscipline($id) {
        $model = new Model_Teacher_Index;
        $teachers = $model->getTeachersForDiscipline($id);
        $teachersHandled = array(); $i = 0;
        foreach ($teachers as $teacher)
        {
            $i++;
            $teachersHandled[$i] = $teacher['TeacherLast'].' '.UTF8::substr($teacher['TeacherFirst'], 0, 1).'. ';
            if(!empty($teacher['TeacherSecond']))
            {
                $teachersHandled[$i] .= UTF8::substr($teacher['TeacherSecond'], 0, 1).'.';
            }
        }
        return $teachersHandled;
    }
}