function purgeThumbnails(button) {
	
	jQuery.post('index.php?option=com_djmediatools&task=images.purge&tmpl=component&format=raw', function(response){
		button.text(response);
	}, 'text');
}

function purgeStylesheets(button) {
	
	jQuery.post('index.php?option=com_djmediatools&task=images.purgeCSS&tmpl=component&format=raw', function(response){
		button.text(response);
	}, 'text');
}

function resmushitImages() {
	
	var logArea = jQuery('#djmt_resmushit_log');
	
	jQuery.post('index.php?option=com_djmediatools&task=images.resmushit&tmpl=component&format=raw', function(response){
		
		var recProgressBar = jQuery('#djmt_progress_bar');
		var recProgressPercent = jQuery('#djmt_progress_percent');
		
		if (response == 'end') {
			recProgressBar.css('width','100%');
			recProgressPercent.text('100%');
			logArea.val('DONE!\n'+logArea.val());
			return true;
		} else if (response == 'error') {
			logArea.val('Unexpected error\n' + logArea.val());
			recProgressBar.css('width','0');
			recProgressPercent.text('0%');
		}
		else {
			var jsonObj = null;
			try {
				jsonObj = jQuery.parseJSON(response);
			} catch(err) {
				logArea.val('ERROR: ' + response + '\n' + logArea.val());
				return resmushitImages();
			}

			var percentage = ((jsonObj.optimized / jsonObj.total) * 100);

			recProgressBar.css('width',percentage + '%');
			recProgressPercent.text(percentage.toFixed(2) + '%');
			logArea.val('['+jsonObj.percent.toFixed(2)+'%] ' + jsonObj.path + '\n' + logArea.val());
			
			return resmushitImages();
		}
	});
}

jQuery(window).on('load', function(){
	console.log('loaded!');
	var clearButton = jQuery('#djmt_delete_images');
	if (clearButton.length) {
		clearButton.prop('disabled', false);
		clearButton.on('click',function(){
			clearButton.prop('disabled', true);
			purgeThumbnails(clearButton);
		});
	}
	
	var clearButton2 = jQuery('#djmt_delete_stylesheets');
	if (clearButton2.length) {
		clearButton2.prop('disabled', false);
		clearButton2.on('click',function(){
			clearButton2.prop('disabled', true);
			purgeStylesheets(clearButton2);
		});
	}
	
	var resmushit = jQuery('#djmt_resmushit_images');
	if(resmushit.length) {
		resmushit.prop('disabled', false);
		resmushit.on('click',function(){
			resmushit.prop('disabled', true);
			resmushitImages(resmushit);
		});
	}
	
});