/**
 *
 * @author  李凯飞
 *
 * 描述：选择时间组件，先选择小时再选择分钟，只支持00-23小时、00-05-10...50-55分钟。回调函数的e为源对象。
 *
 * 示例如下：
 *
 * $("#timePicker").hunterTimePicker();
 *
 * $('.time-picker').hunterTimePicker({
 *      callback: function(e){
 *          ....
 *      }
 * });
 *
 */

(function ($) {
	$.hunterTimePicker = function (box, options) {
		var dates = {
		  hour: ['00', '01', '02', '03', '04', '05', '06', '07', '08', '09', '10', '11', '12', '13', '14', '15', '16', '17', '18', '19', '20', '21', '22', '23'],
		  minute: ['00', '05', '10', '15', '20', '25', '30', '35', '40', '45', '50', '55'],
		};

		var box = $(box);

		var template = $('<div class="Hunter-time-picker" id="Hunter_time_picker"><div class="Hunter-wrap"><ul class="Hunter-wrap" id="Hunter_time_wrap"></ul></div></div>');

		var time_wrap = $('#Hunter_time_wrap', template);

		$(document).click(function() {
			template.remove();
		});

		box.click(function(event){
			event.preventDefault();
			event.stopPropagation();
			$('.Hunter-time-picker').remove();
			var _this = $(this);
			var offset = _this.offset();
			var top = offset.top + _this.outerHeight() + 15;
			template.css({
				'left': offset.left,
				'top': top
			});
			buildTimePicker();
			$('body').append(template);

			$('.Hunter-time-picker').click(function(event){
				event.preventDefault();
				event.stopPropagation();
			});
		});

		function buildTimePicker(){
			buildHourTpl();
			hourEvent();
			minuteEvent();
			cleanBtnEvent();
		};

		function buildHourTpl(){
			var hour_html = '<p>小时</p>';
			for(var i = 0; i < dates.hour.length; i++){
				var temp = box.val().split(":")[0];
				if(dates.hour[i]==temp){
					hour_html += '<li class="Hunter-hour active" data-hour="' + dates.hour[i] +'"><ul class="Hunter-minute-wrap"></ul><div class="Hunter-hour-name">' + dates.hour[i] + '</div></li>';
				}else{
					hour_html += '<li class="Hunter-hour" data-hour="' + dates.hour[i] +'"><ul class="Hunter-minute-wrap"></ul><div class="Hunter-hour-name">' + dates.hour[i] + '</div></li>';
				}
			}

			hour_html += '<li class="Hunter-clean"><input type="button" class="Hunter-clean-btn" id="Hunter_clean_btn" value="清 空"></li>'
			
			time_wrap.html(hour_html);
		};

		function buildMinuteTpl(cur_time){
			var poi = cur_time.position();
			var minute_html = '<p>分钟</p>';
			var temp = box.val().split(":")[1];
			for(var j = 0; j < dates.minute.length;j++){
				if(dates.minute[j]==temp){
					minute_html += '<li class="Hunter-minute active" data-minute="' + dates.minute[j] + '">' + dates.minute[j] + '</li>';
				}else{
					minute_html += '<li class="Hunter-minute" data-minute="' + dates.minute[j] + '">' + dates.minute[j] + '</li>';
				}
			}
			cur_time.find('.Hunter-minute-wrap').html(minute_html).css('left', '-' + (poi.left - 37) + 'px').show();
		};

		function hourEvent(){
			time_wrap.on('click', '.Hunter-hour', function(event){
				event.preventDefault();
				event.stopPropagation();
				var _this = $(this);

				time_wrap.find('.Hunter-hour').removeClass('active');
				time_wrap.find('.Hunter-hour-name').removeClass('active');
				time_wrap.find('.Hunter-minute-wrap').hide().children().remove();

				_this.addClass('active');
				_this.find('.Hunter-hour').addClass('active');

				var hourValue = _this.data('hour');
				var temp = box.val().split(":");
				if(temp.length > 1){
					box.val(hourValue+":"+temp[1]);
				}else{
					box.val(hourValue+":00");
				}
				buildMinuteTpl(_this);
				
				if(options.callback) options.callback(box);

				return false;
			});
		};

		function minuteEvent(){
			time_wrap.on('click', '.Hunter-minute', function(event) {
				event.preventDefault();
				event.stopPropagation();
				var _this = $(this);

				var minuteValue = _this.data('minute');
				var temp = box.val().split(":")[0]+":"+minuteValue;
				box.val(temp);
				template.remove();

				if(options.callback) options.callback(box);

				return false;
			});
		};

		function cleanBtnEvent(){
			time_wrap.on('click', '#Hunter_clean_btn', function(event){
				event.preventDefault();
				event.stopPropagation();

				box.val('');
				template.remove();
				if(options.callback) options.callback(box);
				return false;
			});
		};
	};

	$.fn.extend({
		hunterTimePicker: function (options) {
			options = $.extend({}, options);
			this.each(function () {
				new $.hunterTimePicker(this, options);
			});
			return this;
		}
	});
})(jQuery);