const RSWIPE = (function(){
	function RSWIPE(){
		this.step = 0.08
	}

	/**
	 * @description 仿真滑动
	 * @param startX {number} 起点x
	 * @param startY {number} 起点y
	 * @param endX {number} 终点x
	 * @param endY {number} 终点y
	 * @param timeStart {number} 随机延迟1,默认50ms
	 * @param timeEnd {number} 随机延迟2,默认timeStart+50ms
	 * @param timeOut {number} 超时,默认2s
	 * @param step {number} 步进,默认0.08
	 * @return {boolean}
	 */
	RSWIPE.prototype.rndSwipe = function (startX, startY, endX, endY,
	                                        timeStart, timeEnd, timeOut, step) {
		timeStart = timeStart || 50
		timeEnd = timeEnd || timeStart + 50
		timeOut = timeOut || 2 * 1000
		this.step = step || this.step
		return this._gesture(this._rndSwipe(startX, startY, endX, endY), random(timeStart, timeEnd), timeOut)
	}
	/**
	 * @description 二指仿真滑动
	 * @param startX {number} 起点x
	 * @param startY {number} 起点y
	 * @param endX {number} 终点x
	 * @param endY {number} 终点y
	 * @param timeStart {number} 随机延迟1,默认50ms
	 * @param timeEnd {number} 随机延迟2,默认timeStart+50ms
	 * @param timeOut {number} 超时,默认2s
	 * @param step {number} 步进,默认0.08
	 * @return {boolean}
	 */
	RSWIPE.prototype.rndSwipeTwo = function (startX, startY,
	                                           endX, endY,
	                                           timeStart, timeEnd, timeOut, step) {
		timeStart = timeStart || 50
		timeEnd = timeEnd || timeStart + 50
		timeOut = timeOut || 2 * 1000
		this.step = step || this.step
		return this._gestureTwo(this._rndSwipe(startX, startY, endX, endY), this._rndSwipe(startX, startY, endX, endY),
			random(timeStart, timeEnd), timeOut)
	}

	RSWIPE.prototype._bezier_curves = function (cp, t) {
		let cx = 3.0 * (cp[1].x - cp[0].x),
			bx = 3.0 * (cp[2].x - cp[1].x) - cx,
			ax = cp[3].x - cp[0].x - cx - bx,
			cy = 3.0 * (cp[1].y - cp[0].y),
			by = 3.0 * (cp[2].y - cp[1].y) - cy,
			ay = cp[3].y - cp[0].y - cy - by,
			tSquared = t * t,
			tCubed = tSquared * t
		return {
			"x": (ax * tCubed) + (bx * tSquared) + (cx * t) + cp[0].x,
			"y": (ay * tCubed) + (by * tSquared) + (cy * t) + cp[0].y
		}
	}

	RSWIPE.prototype._rndSwipe = function (qx, qy, zx, zy) {
		let xxyy = [],
			xxy = [],
			point = [],
			dx = [{
				"x": random(qx, qx + 50),
				"y": random(qy, qy + 50)
			}, {
				"x": random(qx - 100, qx + 100),
				"y": random(qy, qy + 50)
			}, {
				"x": random(zx - 100, zx + 100),
				"y": random(zy, zy + 50),
			}, {
				"x": zx,
				"y": zy
			}]
		for (let i = 0; i < dx.length; i++) {
			point.push(dx[i])
		}
		for (let i = 0; i < 1; i += this.step) {
			xxyy = [~~(this._bezier_curves(point, i).x), ~~(this._bezier_curves(point, i).y)]
			xxy.push(xxyy);
		}
		return xxy
	}
	RSWIPE.prototype._gesture = function (swipeList, time, time1) {
		let touch1 = [{"action": 0, "x": swipeList[0][0], "y": swipeList[0][1], "pointer": 1, "delay": time}]
		for (let i = 1; i < swipeList.length - 1; i++) {
			touch1.push({"action": 2, "x": swipeList[i][0], "y": swipeList[i][1], "pointer": 1, "delay": time});
		}
		touch1.push({
			"action": 1,
			"x": swipeList[swipeList.length - 1][0],
			"y": swipeList[swipeList.length - 1][1],
			"pointer": 1,
			"delay": time
		})
		return multiTouch(touch1, null, null, time1);
	}
	RSWIPE.prototype._gestureTwo = function (swipeList, time, time1) {
		let swipe = swipeList[0],
			swipe1 = swipeList[1],
			touch1 = [{"action": 0, "x": swipe[0][0], "y": swipe[0][1], "pointer": 1, "delay": time}],
			touch2 = [{"action": 0, "x": swipe1[0][0], "y": swipe1[0][1], "pointer": 2, "delay": time}]

		for (let i = 1; i < swipe.length - 1; i++) {
			touch1.push({"action": 2, "x": swipe[i][0], "y": swipe[i][1], "pointer": 1, "delay": time});
			touch2.push({"action": 2, "x": swipe1[i][0], "y": swipe1[i][1], "pointer": 2, "delay": time});
		}
		touch1.push({
			"action": 1,
			"x": swipe[swipe.length - 1][0],
			"y": swipe[swipe.length - 1][1],
			"pointer": 1,
			"delay": time
		})
		touch2.push({
			"action": 1,
			"x": swipe1[swipe1.length - 1][0],
			"y": swipe1[swipe1.length - 1][1],
			"pointer": 2,
			"delay": time
		})
		return multiTouch(touch1, touch2, null, time1);
	}
	
	return RSWIPE;
})();