var marked = false;
var markreadtimer = null;
var currentsound = '';

function updatePosition( ) {
	//jQuery('#content').css( 'paddingTop', jQuery( '#header' ).height( ) );
}

function LightenDarkenColor(col, amt) {
	var usePound = false;
    if (col[0] == "#") {
    	col = col.slice(1);
    	usePound = true;
    }
    var num = parseInt(col,16);
    var r = (num >> 16) + amt;
    if (r > 255) r = 255; else if  (r < 0) r = 0;
    var b = ((num >> 8) & 0x00FF) + amt;
    if (b > 255) b = 255; else if  (b < 0) b = 0;
    var g = (num & 0x0000FF) + amt;
    if (g > 255) g = 255; else if (g < 0) g = 0;
    return (usePound?"#":"") + (g | (b << 8) | (r << 16)).toString(16); 
}

function copyToMine( id, link ) {
	getCopyDialog( id, false, link );
}
function copyToClass( id, link ) {
	getCopyDialog( id, true, link );
}

function getCopyDialog( id, isclass, link ) {
	jQuery.post( "/includes/getCopyDialog.php", {
		id : id,
		isclass : isclass,
		link : link
	}, function( result ) {
		if( result.length > 1 ) {
			jQuery( '#popup' ).html( result ).dialog( );
			jQuery( '#closecopyarticle' ).on( 'click', function( ) { closeAndClearPopup( ); } );
			jQuery( '#copyarticleandclose' ).on( 'click', function( ) { copyAndClearPopup( ); } );
		}
	} );
}

function copyAndClearPopup( ) {
	var categories = jQuery( '#categoryids' ).val( );
	if( categories == null ) {
		alert( "V\u00E6lg venligst en/flere mappe(r)");
		return;
	}
	jQuery.post( "/includes/copyArticle.php", {
		isclass : jQuery( '#copyarticleisclass' ).val( ),
		id : jQuery( '#copyarticleid' ).val( ),
		categoryids : jQuery( '#categoryids' ).val( ),
		link : jQuery( '#copyarticlelink' ).val( )
		}, function( response ) {
			if( response.indexOf( 'result' ) != -1 ) {
				var result = JSON.parse( response );
				if( result.result == 'success' ) {
					jQuery( '#popup' ).html( result.message );
					setTimeout( closeAndClearPopup, 2000 );
				} else {
					alert( result.message );
				}
			}
		} );
}

function closeAndClearPopup( ) {
	jQuery( '#popup' ).html( "" ).dialog( 'destroy' );
}

function checkRead( url ) {
	jQuery.post( '/includes/modules/m_schoolbagtaskgenerator/includes/checkRead.php', {
		url : url
	}, function( response ) {
		if( response.indexOf( 'message' ) != -1 ) {
			var result = JSON.parse( response );
			if( result.message == 'success' ) {
				switch( result.type ) {
					case 'Article':
					case 'ArticleRelation':
						jQuery(window).scroll(function(){
							checkBottomArticle( url );
						});
						checkBottomArticle( url );
						break;
				}
			}
		}
	} );
}

function checkBottomArticle( url ) {
	if( marked == false ) {
		var offsetbottom = parseInt( jQuery( "#footer" ).css( "paddingTop" ) ) + jQuery( "#footer" ).height( );
		if( jQuery( window ).scrollTop( ) + jQuery( window ).height( ) >= jQuery( document ).height( ) - offsetbottom ) {
			if( markreadtimer == null ) {
				markreadtimer = setTimeout( "markRead( '" + url + "' );", 10000 );
			}
		}
	}
}

function markRead( url ) {
	if( marked == false ) {
		jQuery.post( '/includes/modules/m_schoolbagtaskgenerator/includes/markRead.php', {
			url : url
		}, function( result ) {
			marked = true;
		} );
	}
}

function markPoints( url, points, answers ) {
	if( marked == false ) {
		jQuery.post( '/includes/modules/m_schoolbagtaskgenerator/includes/markPoints.php', {
			url : url,
			points : points,
			answers : answers
		}, function( result ) {
			marked = true;
		} );
	}
}

function startLex( customclass ) {
	if( !customclass ) {
		customclass = 'lextooltip';
	} 
	jQuery( document ).tooltip( {
		items : '.' + customclass,
		tooltipClass : 'preview-tip',
		position : { my: "left+15 top", at: "right center" },
		content : function( callback ) {
			id = jQuery( this ).prop( 'id' ).substring( 5 );
			jQuery.post('/includes/getLemmaContent.php', {
				id : id
			}, function( data ) {
				callback( data );
			} );
		},
	} );
}


function prepareGroup( ) {
	jQuery( '.playgroupicon' ).each( function( ) {
		if( jQuery( this ).prop( 'class' ).indexOf( 'sounds' ) != -1 ) {
			addAudioElement( jQuery( this ).prop( 'id' ).substring( 5 ), true );
		}
	} );
	jQuery( '.playgroupicon' ).click( function () {
		jQuery( '#sound' + jQuery( this ).prop( 'id' ).substring( 5 )).trigger( 'play' );
	} );
}

function addAudioElement( id, addelement ) {
	jQuery.get( '/extern/getGroupSound.php', {
		id : id,
		}, function( filename ) {
			if( filename.length > 0 ) {
				if( addelement == true ) {
					jQuery( "body" ).append( '<audio id="sound' + id + '" src="' + filename + '"></audio>' );
				} else {
					jQuery( '#sound' + id ).attr( 'src', filename );
				}
			}
	} );
}

function getPath( path ) {
	if( path != false ) {
		return path.split( '/' ).slice( 0, -1 ).join( '/' ) + '/';
	} else {
		return path;
	}
}

function getFilename( path ) {
	if( path != false ) {
		var filename = path.substring(path.lastIndexOf("/") + 1);
		if(filename.indexOf('mp3')) {
			filename = filename.substring(0,filename.lastIndexOf("."));
		}
		return filename;
	} else {
		return path;
	}
}