Courses

class Courses
{
	/**
	 * Constructor
	 *
	 * @since BuddyBoss 1.0.0
	 */
	public function __construct()
	{
		add_action('bp_ld_sync/init', [$this, 'init']);
	}

	/**
	 * Add actions once integration is ready
	 *
	 * @since BuddyBoss 1.0.0
	 */
	public function init()
	{
		add_action('bp_ld_sync/courses_loop/after_title', [$this, 'showUserProgress'], 10);
		add_action('bp_ld_sync/courses_loop/after_title', [$this, 'showGroupProgress'], 20);
		add_action('bp_ld_sync/courses_loop/after_title', [$this, 'showCourseButton'], 30);
	}

	/**
	 * Output user course progress html
	 *
	 * @since BuddyBoss 1.0.0
	 */
	public function showUserProgress()
	{
		if (! groups_is_user_member(bp_loggedin_user_id(), groups_get_current_group()->id)) {
			return;
		}

		if (groups_is_user_admin(bp_loggedin_user_id(), groups_get_current_group()->id)) {
			return;
		}

		$label = __('Your Progress', 'buddyboss');
		$progress = $this->getUserCourseProgress();
		require bp_locate_template('groups/single/courses-progress.php', false, false);
	}

	/**
	 * Output group course progress html
	 *
	 * @since BuddyBoss 1.0.0
	 */
	public function showGroupProgress()
	{
		$label = __('Group Progress', 'buddyboss');
		$progress = $this->getGroupCourseProgress();
		require bp_locate_template('groups/single/courses-progress.php', false, false);
	}

	/**
	 * Output course link button html
	 *
	 * @since BuddyBoss 1.0.0
	 */
	public function showCourseButton()
	{
		if (! is_user_logged_in()) {
			return;
		}

		$label  = $this->getUserCourseViewButtonLabel(bp_loggedin_user_id(), get_the_ID());
		require bp_locate_template('groups/single/courses-view-button.php', false, false);
	}

	/**
	 * Returns the courses belongs to the group
	 *
	 * @since BuddyBoss 1.0.0
	 */
	public function getGroupCourses() {
		$group_id  = bp_ld_sync( 'buddypress' )->helpers->getLearndashGroupId( groups_get_current_group()->id );
		$courseIds = learndash_group_enrolled_courses( $group_id );

		/**
		 * Filter to update course lists
		 */
		return array_map( 'get_post', apply_filters( 'bp_ld_learndash_group_enrolled_courses', $courseIds, $group_id ) );
	}

	/**
	 * Get user's course progress
	 *
	 * @since BuddyBoss 1.0.0
	 */
	public function getUserCourseProgress($courseId = null, $userId = null)
	{
		if (! $courseId) {
			$courseId = get_the_ID();
		}

		if (! $userId) {
			$userId = bp_loggedin_user_id();
		}

		$totalSteps = learndash_get_course_steps_count($courseId);

		if ($totalSteps == 0) {
			return 0;
		}

		$userSteps  = learndash_course_get_completed_steps($userId, $courseId);

		return round($userSteps / $totalSteps * 100);
	}

	/**
	 * Get gorup's course progress
	 *
	 * @since BuddyBoss 1.0.0
	 */
	public function getGroupCourseProgress($courseId = null)
	{
		if (! $courseId) {
			$courseId = get_the_ID();
		}

		$members    = groups_get_group_members();
		$totalSteps = learndash_get_course_steps_count($courseId);

		if ($members['count'] == 0) {
			return 0;
		}

		if ($totalSteps == 0) {
			return 0;
		}

		$totalSteps  = learndash_get_course_steps_count($courseId);
		$memberSteps = array_sum(array_map(function($member) use ($courseId) {
			return learndash_course_get_completed_steps($member->id, $courseId);
		}, $members['members']));

		return round($memberSteps / ($members['count'] * $totalSteps) * 100);
	}

	/**
	 * Returns dynamic label text based on user's course progress
	 *
	 * @since BuddyBoss 1.0.0
	 */
	public function getUserCourseViewButtonLabel($userId, $courseId)
	{
		$label  = __('Start Course', 'buddyboss');
		$status = learndash_course_status($courseId, $userId, true);

		if ('in-progress' === $status) {
			$label = __( 'Continue', 'buddyboss' );
		}

		if ('completed' === $status) {
			$label = __( 'View Course', 'buddyboss' );
		}

		return $label;
	}
}