/**
 * 监控monitor，用于判断
 * @class Monitor
 * @constructor
 * @param {String} type: absolute/relative
 * @param {Number} extra: 低于的价格，type=absolute时生效
 */
var Monitor = function(type, price) {
	this.type = type;
	this.price = price;
	this.time = Util.date.now();
};

Monitor.prototype.getSetting = function() {
	return {
		type: this.type,
		price: this.price,
		time: this.time
	};
};

Monitor.prototype.judge = function(flight) {

};


var MonitorFactory = {
	getFromKeeper: function() {
		var info = InputKeeper.getInfo();

		if (info.type == 'absolute') {
			return new Monitor('absolute', parseInt(info.absolutePrice, 10));
		} else {
			return new Monitor('relative');
		}
	},

	getFromSetting: function(setting) {
		return new Monitor(setting.type, setting.price);
	}
};