if ( typeof flip_expand_collapse === 'undefined' ) {
	function flip_expand_collapse( what, id ) {
		//console.log(id + ':' + document.getElementById( 'list_arrow.flippable-'+id).className);
		if ( jQuery( what + '-' + id + ' .list_arrow.flippable' ).hasClass( 'expand' ) ) {
			jQuery( what + '-' + id + ' .list_arrow.flippable' ).removeClass( 'expand' );
			jQuery( what + '-' + id + ' .list_arrow.flippable' ).addClass( 'collapse' );
			jQuery( what + '-' + id + ' .flip' ).slideUp();
		} else {
			jQuery( what + '-' + id + ' .list_arrow.flippable' ).removeClass( 'collapse' );
			jQuery( what + '-' + id + ' .list_arrow.flippable' ).addClass( 'expand' );
			jQuery( what + '-' + id + ' .flip' ).slideDown();
		}
		return false;
	}
}

if ( typeof flip_expand_all === 'undefined' ) {
	function flip_expand_all( what ) {
		jQuery( what + ' .list_arrow.flippable' ).removeClass( 'collapse' );
		jQuery( what + ' .list_arrow.flippable' ).addClass( 'expand' );
		jQuery( what + ' .flip' ).slideDown();
		return false;
	}
}

if ( typeof flip_collapse_all === 'undefined' ) {
	function flip_collapse_all( what ) {
		jQuery( what + ' .list_arrow.flippable' ).removeClass( 'expand' );
		jQuery( what + ' .list_arrow.flippable' ).addClass( 'collapse' );
		jQuery( what + ' .flip' ).slideUp();
		return false;
	}
}

String.prototype.toHHMMSS = function() {
	sec_numb = parseInt( this, 10 );
	var hours = Math.floor( sec_numb / 3600 );
	var minutes = Math.floor( ( sec_numb - ( hours * 3600 ) ) / 60 );
	var seconds = sec_numb - ( hours * 3600 ) - ( minutes * 60 );
	if ( hours < 10 ) {
		hours = '0' + hours;
	}
	if ( minutes < 10 ) {
		minutes = '0' + minutes;
	}
	if ( seconds < 10 ) {
		seconds = '0' + seconds;
	}
	var time = hours + ':' + minutes + ':' + seconds;
	return time;
};

jQuery( function() {
	if ( jQuery( '.learndash_timer' ).length ) {
		jQuery( '.learndash_timer' ).each( function( idx, item ) {
			var timer_el = jQuery( item );

			var timer_seconds = timer_el.data( 'timer-seconds' );
			var button_ref = timer_el.data( 'button' );

			if ( ( typeof button_ref !== 'undefined' ) && ( jQuery( button_ref ).length ) ) {
				var timer_button_el = jQuery( button_ref );

				if ( ( typeof timer_seconds !== 'undefined' ) && ( typeof timer_button_el !== 'undefined' ) ) {
					timer_button_el.attr( 'disabled', true );

					timer_seconds = parseInt( timer_seconds );

					var cookie_key 		= timer_el.attr( 'data-cookie-key' );

					if ( typeof cookie_key !== 'undefined' ) {
						var cookie_name = 'learndash_timer_cookie_' + cookie_key;
					} else {
						var cookie_name = 'learndash_timer_cookie';
					}

					var cookie_timer_seconds = jQuery.cookie( cookie_name );

					if ( typeof cookie_timer_seconds !== 'undefined' ) {
						timer_seconds = parseInt( cookie_timer_seconds );
					}
					//jQuery.removeCookie( cookie_name );

					if ( timer_seconds >= 1 ) {
						var learndash_timer_var = setInterval( function() {
							timer_seconds = timer_seconds - 1;

							var time_display = timer_seconds.toString().toHHMMSS();
							timer_el.html( time_display );
							if ( timer_seconds <= 0 ) {
								clearInterval( learndash_timer_var );
								timer_button_el.attr( 'disabled', false );
								timer_el.html( '' );
								timer_el.hide();
								jQuery.cookie( cookie_name, 0 );

								timer_button_el.trigger( 'learndash-time-finished' );
							}
							// Store the timer state (value) into a cookie. This is done if the page reloads the student can resume
							// the time instead of restarting.
							jQuery.cookie( cookie_name, timer_seconds );
						}, 1000 );
					} else {
						timer_button_el.attr( 'disabled', false );
						timer_el.html( '' );
						jQuery.cookie( cookie_name, 0 );
						//jQuery.removeCookie( cookie_name );
					}
				}
			}
		} );
	}
} );

jQuery( function() {
	if ( typeof sfwd_data !== 'undefined' ) {
		if ( typeof sfwd_data.json !== 'undefined' ) {
			sfwd_data = sfwd_data.json.replace( /&quot;/g, '"' );
			sfwd_data = JSON.parse( sfwd_data );
		}
	}

	jQuery( '#ld_course_info' ).on( 'click', 'a.user_statistic', learndash_show_user_statistic );
	jQuery( '#learndash_profile' ).on( 'click', 'a.user_statistic', learndash_show_user_statistic );

	function learndash_show_user_statistic( e ) {
		e.preventDefault();

		var refId = jQuery( this ).data( 'ref_id' );
		var quizId = jQuery( this ).data( 'quiz_id' );
		var userId = jQuery( this ).data( 'user_id' );
		var statistic_nonce	= jQuery( this ).data( 'statistic_nonce' );
		var post_data = {
			action: 'wp_pro_quiz_admin_ajax_statistic_load_user',
			func: 'statisticLoadUser',
			data: {
				quizId: quizId,
				userId: userId,
				refId: refId,
				statistic_nonce: statistic_nonce,
				avg: 0,
			},
		};

		jQuery( '#wpProQuiz_user_overlay, #wpProQuiz_loadUserData' ).show();
		var content = jQuery( '#wpProQuiz_user_content' ).hide();

		jQuery.ajax( {
			type: 'POST',
			url: sfwd_data.ajaxurl,
			dataType: 'json',
			cache: false,
			data: post_data,
			error: function( jqXHR, textStatus, errorThrown ) {
			},
			success: function( reply_data ) {
				if ( typeof reply_data.html !== 'undefined' ) {
					content.html( reply_data.html );
					jQuery( 'a.wpProQuiz_update', content ).remove();
					jQuery( 'a#wpProQuiz_resetUserStatistic', content ).remove();
					jQuery( 'body' ).trigger( 'learndash-statistics-contentchanged' );
					jQuery( '#wpProQuiz_user_content' ).show();
					jQuery( '#wpProQuiz_loadUserData' ).hide();
					content.find( '.statistic_data' ).on( 'click', function() {
						jQuery( this ).parents( 'tr' ).next().toggle( 'fast' );
						return false;
					} );
				}
			},
		} );

		jQuery( '#wpProQuiz_overlay_close' ).on( 'click', function() {
			jQuery( '#wpProQuiz_user_overlay' ).hide();
		} );
	}
} );