var all_files_load_done = new Array();
var msg_show;
$(function(){
    var ul = $('#upload ul');
    $('#drop a').click(function(){
        // Simulate a click on the file input button
        // to show the file browser dialog
        $(this).parent().find('input').click();
    });

    // Initialize the jQuery File Upload plugin
    $('#upload').fileupload({

        // This element will accept file drag/drop uploading
        dropZone: $('#drop'),

        // This function is called when a file is added to the queue;
        // either via the browse button, or via drag/drop:
        add: function (e, data) {
            // Automatically upload the file once it is added to the queue
            var jqXHR = data.submit();
        },

		start:function(e, data){
			all_files_load_done = new Array();
		},
		
		done:function(e, data){
			var fname = data.files[0].name;
			var isin = fname.indexOf('zip');
			if(isin>=0){
				$.ajax({
					url: 'extract.php',
					type: 'POST',
					async: true,
					data: { file_upload:data.files[0].name},
					success: function(response){
						parse_all_data(data.files[0].name);
					}
				});
			}
        },
		
		 progressall: function (e, data) {
			 $("#loader").html("");
			 var tpl = $('<li class="working" style="text-align:center"><input type="text" value="0" data-width="48" data-height="48"'+
                ' data-fgColor="#0788a5" data-readOnly="1" data-bgColor="#3e4043" /></li>');

            // Add the HTML to the UL element
            data.context = tpl.appendTo(ul);
			
			tpl.find('input').knob();
			var progress = parseInt(data.loaded / data.total * 100, 10);

            // Update the hidden input field and trigger a change
            // so that the jQuery knob plugin knows to update the dial
            data.context.find('input').val(progress).change();

			if(progress==100){
				msg_show = setTimeout(function() {
					$("#loader").html("<p style='color: #00ee00; font-weight: normal; text-align: center; font-style: italic;'>Please wait while processing data...</p>");
				}, 1000);
			}
		}
    });


    // Prevent the default action when a file is dropped on the window
    $(document).on('drop dragover', function (e) {
        e.preventDefault();
    });

    // Helper function that formats the file sizes
    function formatFileSize(bytes) {
        if (typeof bytes !== 'number') {
            return '';
        }

        if (bytes >= 1000000000) {
            return (bytes / 1000000000).toFixed(2) + ' GB';
        }

        if (bytes >= 1000000) {
            return (bytes / 1000000).toFixed(2) + ' MB';
        }

        return (bytes / 1000).toFixed(2) + ' KB';
    }

	function parse_all_data(fname){
		$.ajax({
			url: 'parse.php',
			type: 'POST',
			async: true,
			data: { file:fname },
			success: function(response){
				clearTimeout(msg_show);
				document.location = "download.php?filename="+fname;
				$("#loader").html("<p style='color: #00ee00; font-weight: bold; text-align: center'>DONE</p>");
			}
		});
	}

});