<?php
defined('MOODLE_INTERNAL') || die();
require_once($CFG->dirroot. '/course/renderer.php');
require_once($CFG->dirroot. '/theme/edumy/ccn/course_handler/ccn_course_handler.php');
require_once($CFG->dirroot. '/theme/edumy/ccn/block_handler/ccn_block_handler.php');
class block_cocoon_featuredcourses extends block_base {

    public function init() {
        $this->title = get_string('pluginname', 'block_cocoon_featuredcourses');
    }

    function specialization() {
        global $CFG, $DB;

        $ccnCourseHandler = new ccnCourseHandler();
        $ccnCourses = $ccnCourseHandler->ccnGetExampleCoursesIds(8);

        include($CFG->dirroot . '/theme/edumy/ccn/block_handler/specialization.php');
        if (empty($this->config)) {
          $this->config = new \stdClass();
          $this->config->title = 'Browse Our Top Courses';
          $this->config->subtitle = 'Cum doctus civibus efficiantur in imperdiet deterruisCum doctus civibus efficiantur in imperdiet deterruisset.';
          $this->config->hover_text = 'Preview Course';
          $this->config->hover_accent = 'Top Seller';
          $this->config->button_text = 'View all courses';
          $this->config->button_link = $CFG->wwwroot . '/course';
          $this->config->course_image = '1';
          $this->config->description = '0';
          $this->config->price = '1';
          $this->config->enrol_btn = '0';
          $this->config->enrol_btn_text = 'Buy Now';
          $this->config->courses = $ccnCourses;
          $this->config->color_bg = 'rgb(0, 8, 70)';
          $this->config->color_title = 'rgb(255,255,255)';
          $this->config->color_subtitle = 'rgb(255,255,255)';
          $this->config->color_course_title = 'rgb(255,255,255)';
          $this->config->color_course_subtitle = 'rgb(255, 234, 193)';
          $this->config->color_course_price = 'rgb(255, 0, 95)';
          $this->config->color_button = 'rgb(255, 0, 95)';
          $this->config->color_course_enrol_btn = '#79b530';
        }
    }

    public function get_content() {
        global $CFG, $DB, $COURSE, $USER, $PAGE;

        if ($this->content !== null) {
            return $this->content;
        }

        if (empty($this->instance)) {
            $this->content = '';
            return $this->content;
        }

        $this->content = new stdClass();
        $this->content->items = array();
        $this->content->icons = array();
        $this->content->footer = '';
        $this->content->text = '';
        if(!empty($this->config->title)){$this->content->title = $this->config->title;} else {$this->content->title = '';}
        if(!empty($this->config->subtitle)){$this->content->subtitle = $this->config->subtitle;} else {$this->content->subtitle = '';}
        if(!empty($this->config->button_text)){$this->content->button_text = $this->config->button_text;} else {$this->content->button_text = '';}
        if(!empty($this->config->button_link)){$this->content->button_link = $this->config->button_link;} else {$this->content->button_link = '';}
        if(!empty($this->config->hover_text)){$this->content->hover_text = $this->config->hover_text;} else {$this->content->hover_text = '';}
        if(!empty($this->config->hover_accent)){$this->content->hover_accent = $this->config->hover_accent;} else {$this->content->hover_accent = '';}
        if(!empty($this->config->description)){$this->content->description = $this->config->description;} else {$this->content->description = '0';}
        if(!empty($this->config->course_image)){$this->content->course_image = $this->config->course_image;} else {$this->content->course_image = '';}
        if(!empty($this->config->price)){$this->content->price = $this->config->price;} else {$this->content->price = '0';}
        if(!empty($this->config->enrol_btn)) {$this->content->enrol_btn = $this->config->enrol_btn;} else {$this->content->enrol_btn = '0';}
        if(!empty($this->config->enrol_btn_text)){$this->content->enrol_btn_text = $this->config->enrol_btn_text;} else {$this->content->enrol_btn_text = '';}
        if(!empty($this->config->hover_text)){$this->content->hover_text = $this->config->hover_text;} else {$this->content->hover_text = '';}
        if(!empty($this->config->hover_accent)){$this->content->hover_accent = $this->config->hover_accent;} else {$this->content->hover_accent = '';}
        /* ccnBreak */
        if(
          isset($this->content->description) &&
          $this->content->description != '0'
        ) {
          $ccnBlockShowDesc = 1;
        } else {
          $ccnBlockShowDesc = 0;
        }
        if(
          isset($this->content->course_image) &&
          $this->content->course_image == '1'
        ){
          $ccnBlockShowImg = 1;
        } else {
          $ccnBlockShowImg = 0;
        }
        if(
          isset($this->content->enrol_btn) &&
          isset($this->content->enrol_btn_text) &&
          $this->content->enrol_btn == '1'
        ) {
          $ccnBlockShowEnrolBtn = 1;
        } else {
          $ccnBlockShowEnrolBtn = 0;
        }
        if(
          isset($this->content->price) &&
          $this->content->price == '1'
        ) {
          $ccnBlockShowPrice = 1;
        } else {
          $ccnBlockShowPrice = 0;
        }
        /* ccnBreak */
        if(
          $PAGE->theme->settings->coursecat_enrolments != 1 ||
          $PAGE->theme->settings->coursecat_announcements != 1 ||
          (isset($this->content->price) && $this->content->price == '1') ||
          (isset($this->content->enrol_btn_text) && $this->content->enrol_btn == '1')
          /* ccnBreak */
        ) {
          $ccnBlockShowBottomBar = 1;
          $topCoursesClass = 'ccnWithFoot';
        } else {
          $ccnBlockShowBottomBar = 0;
          $topCoursesClass = '';
        }
        /* ccnBreak */
        if(!empty($this->config->courses)){
          $coursesArr = $this->config->courses;
          $courses = new stdClass();
          foreach ($coursesArr as $key => $course) {
            $courseObj = new stdClass();
            $courseObj->id = $course;
            $courses->$course = $courseObj;
          }
          $total_courses = count(get_object_vars($courses));
        }
        // else {
        //   // $courses = self::get_featured_courses();
        //   // $total_courses = count($courses);
        // }
        /* ccnBreak */
        if($total_courses < 2) {
          $topColumnClass = 'col-md-12';
          $col_class = 'col-md-6 offset-md-3 col-xl-4 offset-xl-4';
        } else if($total_courses == 2) {
          $topColumnClass = 'col-sm-8 offset-sm-2 col-md-12 offset-md-0 col-lg-10 offset-lg-1 col-xl-8 offset-xl-2';
          $col_class = 'col-md-6';
        } else if($total_courses == 3) {
          $topColumnClass = 'col-sm-8 offset-sm-2 col-md-12 offset-md-0 col-xl-10 offset-xl-1';
          $col_class = 'col-md-6 col-lg-4';
        } else  {
          $topColumnClass = 'col-xs-12';
          $col_class = 'col-md-6 col-lg-4 col-xl-3';
        }
        /* ccnBreak */
        $this->content->text .= '
        <section id="our-top-courses" class="our-courses">
          <div class="container">
            <div class="row">
              <div class="col-lg-6 offset-lg-3">
                <div class="main-title text-center">';
                  // if(!empty($this->content->title)){
                    $this->content->text .='<h3 class="mt0" data-ccn="title">'. format_text($this->content->title, FORMAT_HTML, array('filter' => true)) .'</h3>';
                  // }
                  // if(!empty($this->content->subtitle)){
                    $this->content->text .='<p data-ccn="subtitle">'.format_text($this->content->subtitle, FORMAT_HTML, array('filter' => true)).'</p>';
                  // }
                  $this->content->text .='
                </div>
              </div>
            </div>
          <div class="row">
            <div class="'.$topColumnClass.'">
              <div class="row">';
              if(!empty($this->config->courses)){
              $chelper = new coursecat_helper();
        foreach ($courses as $course) {
          if ($DB->record_exists('course', array('id' => $course->id))) {

            $ccnCourseHandler = new ccnCourseHandler();
            $ccnCourse = $ccnCourseHandler->ccnGetCourseDetails($course->id);

            if(!empty($this->content->description) && $this->content->description == '7'){
              $maxlength = 500;
            } elseif(!empty($this->content->description) && $this->content->description == '6'){
              $maxlength = 350;
            } elseif(!empty($this->content->description) && $this->content->description == '5'){
              $maxlength = 200;
            } elseif(!empty($this->content->description) && $this->content->description == '4'){
              $maxlength = 150;
            } elseif(!empty($this->content->description) && $this->content->description == '3'){
              $maxlength = 100;
            } elseif(!empty($this->content->description) && $this->content->description == '2'){
              $maxlength = 50;
            } else {
              $maxlength = null;
            }
            $ccnCourseDescription = $ccnCourseHandler->ccnGetCourseDescription($course->id, $maxlength);

            $this->content->text .='

            <div class="'.$col_class.'">
							<div class="top_courses '.$topCoursesClass.'">';
								if($ccnBlockShowImg){
                  $this->content->text .='
                  <a href="'. $ccnCourse->url .'">
                    <div class="thumb">
                      '.$ccnCourse->ccnRender->coverImage.'
                      <div class="overlay">';
                        if($this->content->hover_accent){
                          $this->content->text .=' <div class="tag" data-ccn="hover_accent">'.format_text($this->content->hover_accent, FORMAT_HTML, array('filter' => true)).'</div>';
                        }
                        if($this->content->hover_text){
                          $this->content->text .='<span class="tc_preview_course" data-ccn="hover_text">'.format_text($this->content->hover_text, FORMAT_HTML, array('filter' => true)).'</span>';
                        }
                        $this->content->text .='
                      </div>
                    </div>
                  </a>';
                }
                $this->content->text .='
								<div class="details">
									<div class="tc_content">';
                  $this->content->text .= $ccnCourse->ccnRender->updatedDate;
                  $this->content->text .=  $ccnCourse->ccnRender->title;
                  if($ccnBlockShowDesc){
                    $this->content->text .='<p>'.$ccnCourseDescription.'</p>';
                  }
                  $this->content->text .= $ccnCourse->ccnRender->starRating;
                  $this->content->text .='
									</div>
                </div>';
                if($ccnBlockShowBottomBar === 1){
                  $this->content->text .='
                  <div class="tc_footer">
                    <ul class="tc_meta float-left">'.
                      $ccnCourse->ccnRender->enrolmentIcon . $ccnCourse->ccnRender->announcementsIcon
                    .'</ul>';
                    if($ccnBlockShowEnrolBtn){
                      $this->content->text .='<a data-ccn="enrol_btn_text" href="'.$ccnCourse->enrolmentLink.'" class="tc_enrol_btn float-right">'.format_text($this->content->enrol_btn_text, FORMAT_HTML, array('filter' => true)).'</a>';
                    }
                    if($ccnBlockShowPrice){
                      $this->content->text .= '<div class="tc_price float-right">'.$ccnCourse->price.'</div>';
                    }
                    $this->content->text .='
									</div>';
                   }
                $this->content->text .='
							</div>
						</div>';
          }
        }
      }

        if(!empty($this->content->button_text) && !empty($this->content->button_link)){
        $this->content->text .='</div></div>
        <div class="col-lg-6 offset-lg-3">
					<div class="courses_all_btn text-center" data-ccn-btn>
						<a class="btn btn-transparent" data-ccn="button_text" href="'.format_text($this->content->button_link, FORMAT_HTML, array('filter' => true)).'">'.format_text($this->content->button_text, FORMAT_HTML, array('filter' => true)).'</a>
					</div>
				</div>'  ;
        }
        $this->content->text .='
 			</div>
		</div>
	</section>

';

        return $this->content;
    }

    function applicable_formats() {
      $ccnBlockHandler = new ccnBlockHandler();
      return $ccnBlockHandler->ccnGetBlockApplicability(array('all'));
    }

    public function html_attributes() {
      global $CFG;
      $attributes = parent::html_attributes();
      include($CFG->dirroot . '/theme/edumy/ccn/block_handler/attributes.php');
      return $attributes;
    }


    public function instance_allow_multiple() {
          return true;
    }

    public function has_config() {
        return false;
    }

    public function cron() {
        return true;
    }

    // public static function get_featured_courses() {
    //     global $DB;
    //
    //     $sql = 'SELECT c.id, c.shortname, c.fullname, fc.sortorder
    //               FROM {block_cocoon_featuredcourses} fc
    //               JOIN {course} c
    //                 ON (c.id = fc.courseid)
    //           ORDER BY sortorder';
    //     return $DB->get_records_sql($sql);
    // }

    // public static function delete_cocoon_featuredcourse($courseid) {
    //     global $DB;
    //     return $DB->delete_records('block_cocoon_featuredcourses', array('courseid' => $courseid));
    // }
}