/**
 * 跳判断相关脚本代码
 */

function Event() {
	this.events = {};
}
Event.prototype.addEventListener = function (type, listener) {
	this.events[type] = this.events[type] || [];
	this.events[type].push(listener);
};
Event.prototype.trigger = function () {
	for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
		args[_key] = arguments[_key];
	}

	var type = args[0];
	var params = args.slice(1);
	if (!!this.events[type]) {
		// console.log("type:",type);
		this.events[type].forEach(function (listener) {
			try {
				listener.apply(null, params);
			} catch (e) {
				console.error(e);
			}
		});
	}
};
/**
 * 公共部分计算参数
 * 已时间为条件执行
 */
var jumpOpts = {
	//是否上升的标志位
	isDirectionUp: false,
	//持续上升次数
	continueUpCount: 0,
	//上一点的持续上升的次数，为了记录波峰的上升次数
	continueUpFormerCount: 0,

	continueDownCount: 0,
	continueDownFormerCount: 0,

	//上一点的状态，上升还是下降
	lastStatus: false,
	//波峰值
	peakOfWave: 0,
	//波谷值
	valleyOfWave: 0,
	//检测到极快的波动的次数
	timeOfPeakCount: 0,
	//开始添加
	bUpdateTimeOfPeakCount: false,
	//开始更新的次数
	startCount: 0,
	//停止跳
	bStopJump: false,
	//上次传感器的值
	gravityOld: 0,

	bUpState: false,

	//开始时间
	startTime: 0,
	endTime: 0,

	startResultant: 0
}
var ActionJump = function ActionJump() {

	this.jumpOpts = jumpOpts;
	this.peakOfWaveMaxValue = 0;
	this.peakOfWaveMaxValueCount = 0;
	this.valleyOfWaveMinValue = 0;
	this.valleyOfWaveMinValueCount = 0;
	this.highestCount = 0;
	//记录当前传入的数据
	this.dataArray = [];
	//获取一个判断数组的数据，比如触发点前后取一定帧数
	//记录波形的个数，可重复添加
	this.tempDataArray = [];


	//记录一个加速计数组
	this.oriAccArray = [];
	//陀螺仪
	this.oriGyroYArray = [];

	this.event = new Event();
	this.frameCapacity = 10;
	this.frame = [];
	this.frameLength = 5;
	this.frameOffset = 0;
	for (var i = 0; i < this.frameCapacity; ++i) {
		var o = new Object();
		o.maxValue = 0;
		o.gyroValue = 0;
		o.resultant = 0;
		o.index = -1;
		o.acc = null;
		o.gyro = null;
		this.frame.push(o);
	}

	this.frameLog = [];

	this.LastMS = 0;
	this.LastTime = 0;

	this.xA = 0;
	this.yA = 0;
	this.zA = 0;

}
ActionJump.prototype.addEventListener = function (type, listener) {
	this.event.addEventListener(type, listener);
};

/**
 * 更新数据
 */
ActionJump.prototype.updateJump = function () {
	let data = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
	//使用三个轴的数据，计算重力轴的加速度。最后减去重力的加速度值
	/**
	 * 纠正后使用的轴向
	 * 	box["acc"] = {
				ax: -ay,
				ay: -ax,
				az: az
			};
			box["gyro"] = {
				gx: -gy,
				gy: -gx,
				gz: gz
			};
	 */
	//********加速计********

	// let {
	// 	lAccX,
	// 	lAccY,
	// 	lAccZ
	// } = data.linearAcc;
	// let {
	// 	oAccX,
	// 	oAccY,
	// 	oAccZ
	// } = data.oriAcc;
	// let {
	// 	oGyroX,
	// 	oGyroY,
	// 	oGyroZ
	// } = data.oriGyro;
	// let {
	// 	bYAxis
	// } = data;
	// //oGyroX 在用的过程中方向相反，所以添加负号
	// let _tempAxisData = bYAxis ? -oGyroX : oGyroY; //新设备直接使用oGyroY
	// this.detectorNewStep(data.resultant, lAccX, lAccY, lAccZ, oAccX, oAccY, oAccZ, data.runIndex, _tempAxisData);
	// oAccZ
	// this.detectorNewStep(data.resultant, -lAccY, -lAccX, -lAccZ, -oAccY, -oAccX, -oAccZ, data.runIndex,
	// 	_tempAxisData);
	//********传感器数值********
	let { ax, ay, az } = data.acc;
	let { gx, gy, gz } = data.gyro;
	let { min, s, ms } = data;

	let msGap = ms - this.LastMS;
	if (msGap < 0) {
		msGap += 1000;
	}
	this.LastMS = ms;
	let _ax = data.acc.ax * 10;
	let _ay = data.acc.ay * 10;
	let _az = data.acc.az * 10;
	//低通滤波分离重力
	let curTime = new Date().getTime();
	let alpha = 1000 / (1000 + msGap); // 0.8;
	this.LastTime = curTime;
	this.xA = alpha * this.xA + (1 - alpha) * _ax;
	this.yA = alpha * this.yA + (1 - alpha) * _ay;
	this.zA = alpha * this.zA + (1 - alpha) * _az;

	//高通滤波获取线性速度
	let linear_acceleration_x = _ax - this.xA;
	let linear_acceleration_y = _ay - this.yA;
	let linear_acceleration_z = _az - this.zA;

	let _temp = {
		oriAcc: {
			oAccX: _ax,
			oAccY: _ay,
			oAccZ: _az
		},
		linearAcc: {
			lAccX: linear_acceleration_x,
			lAccY: linear_acceleration_y,
			lAccZ: linear_acceleration_z
		},
		gravityAcc: {
			gravityX: this.xA,
			gravityY: this.yA,
			gravityZ: this.zA
		},
		bLimitRebound: false,
		resultant: Math.sqrt(_ax * _ax
			+ _ay * _ay + _az * _az),
		runIndex: data.BLEAccIndex,
		//陀螺仪
		oriGyro: {
			oGyroX: gx,
			oGyroY: gy,
			oGyroZ: gz
		},
		bYAxis: data.isY
	};

	this.detectorNewStep(_temp);
};



/*
 *计算跳逻辑
 */
// ActionJump.prototype.detectorNewStep = function(resultant, linearX, linearY, linearZ, oriX, oriY, oriZ, _runIndex,
// 	_oGyroY) 
ActionJump.prototype.detectorNewStep = function (data) {

	/**
	 * 把數據返回
	 */
	this.event.trigger('resultant', {
		type: "bUpdateDraw",
		data: data
	});

	let {
		oAccX,
		oAccY,
		oAccZ
	} = data.oriAcc;
	let {
		oGyroX,
		oGyroY,
		oGyroZ
	} = data.oriGyro;
	let resultant = data.resultant; //合加速度

	// 记录500个点
	// 如果超过了，去除第一个点，加入最后一个元素
	if (this.dataArray.length <= 500) {
		this.dataArray.push(data);
	} else {
		this.dataArray.shift();
		this.dataArray.push(data);
	}

	//判断resultant 一个阀值,简单的检测跳的动作触发幅度
	let limitResultant = 20;
	if (resultant > limitResultant && !this.jumpOpts.bUpState) {
		let currTime = new Date().getTime(); //当前时间
		// 清空触发的数值
		this.tempDataArray = [];
		let diffTime = currTime - this.jumpOpts.endTime; //当前时间减最初时间，得到当前时间差
		if (Math.abs(diffTime) < 100) {
			//前一帧到后一帧的间隔忽略 150 / 6 约25帧落地波动
			return;
		}
		this.jumpOpts.bUpState = true;
		//第一次触发的时间。记录开始时间
		this.jumpOpts.startTime = new Date().getTime();
		this.event.trigger('resultant', {
			type: "log",
			logType: 'normal',
			data: "开始时间:" + this.jumpOpts.startTime + ",resultant:" + resultant
		});
		//取触发前一定帧数
		let len = this.dataArray.length;
		let total = 5;//取倒数5帧
		if (len != 0) {
			let newArr = [];
			//长度超过
			let limit = len - total;
			if (limit > 0) {
				for (let i = len; i > limit; i--) {
					newArr.push(this.dataArray[i - 1]);
				}
				this.tempDataArray.push(newArr);
			} else {
				//直接添加数据
				this.tempDataArray.push(this.dataArray.slice());
			}

		}
		console.log("start bUpState");
	}
	if (this.jumpOpts.bUpState) {

		//取一个时间段为截取时间，计算时间段里面的数据
		let currTime = new Date().getTime(); //当前时间
		let diffTime = currTime - this.jumpOpts.startTime; //当前时间减最初时间，得到当前时间差
		if (diffTime > 400) {
			// console.log("diffTime:", diffTime);
			//计算已出发的数据
			// console.log(this.tempDataArray);
			for (let i = 0; i < this.tempDataArray.length; i++) {
				// 计算数据
				this.resetAll();
				let _frameMaxValue = 0,
					_frameMinValue = 0,
					_frameGyroValue = 0,
					_frameGyroMinValue = 0;
				for (let j = 0; j < this.tempDataArray[i].length; j++) {
					let _data = this.tempDataArray[i][j];
					if (j < 30) { //取前面30帧判断
						let _judgmentValue = _data.linearAcc.lAccZ //_data.oriAcc.oAccZ; //判断左右方向用z
						if (_judgmentValue > 1) {
							_frameMaxValue += _judgmentValue;
							if (_judgmentValue > this.peakOfWaveMaxValue) {
								this.peakOfWaveMaxValue += _judgmentValue;
								this.peakOfWaveMaxValueCount++;
							}
						} else if (_judgmentValue < -1) {
							_frameMinValue += _judgmentValue;
							if (_judgmentValue < this.valleyOfWaveMinValue) {
								this.valleyOfWaveMinValue += _judgmentValue;
								this.valleyOfWaveMinValueCount++;
							}
						}
						if (_data.oriGyro.oGyroY > 5) {
							_frameGyroValue += _data.oriGyro.oGyroY;
						} else if (_data.oriGyro.oGyroY < -5) {
							_frameGyroMinValue += _data.oriGyro.oGyroY;
						}
					}

				}
				//后面通用使用这个类型传输数据
				this.event.trigger('resultant', {
					type: "stateDataOfJump",
					currentMaxValue: _frameMaxValue,
					currentMinValue: _frameMinValue,
					peakOfWaveMaxValue: this.peakOfWaveMaxValue,
					valleyOfWaveMinValue: this.valleyOfWaveMinValue,
					oGyroValue: _frameGyroValue,
					oGyroMinValue: _frameGyroMinValue,
					// resultant: resultant,
					tempIndex: i, //触发了多少次
					// name: "highestCountEnd"
				});
				this.event.trigger('resultant', {
					type: "stop",
					tempDataArray: this.tempDataArray
				});
			}

			this.jumpOpts.bUpState = false;
			this.jumpOpts.endTime = new Date().getTime();

			console.log("end bUpState");
		} else {
			//还在计算时间区间内，记录各帧的数据
			for (let i = 0; i < this.tempDataArray.length; i++) {
				let _dataArray = this.tempDataArray[i];
				_dataArray.push(data);
			}
		}
	}

}

ActionJump.prototype.setEndUpdate = function () {
	for (let i = 0; i < this.tempDataArray.length; i++) {
		// 计算数据
		this.resetAll();
		let _frameMaxValue = 0,
			_frameMinValue = 0,
			_frameGyroValue = 0;
		for (let j = 0; j < this.tempDataArray[i].length; j++) {
			let _data = this.tempDataArray[i][j];
			let _judgmentValue = _data.oriAcc.oAccZ; //判断左右方向用z
			if (_judgmentValue > 1) {
				_frameMaxValue += _judgmentValue;
				if (_judgmentValue > this.peakOfWaveMaxValue) {
					this.peakOfWaveMaxValue += _judgmentValue;
					this.peakOfWaveMaxValueCount++;
				}
			} else if (_judgmentValue < -1) {
				_frameMinValue += _judgmentValue;
				if (_judgmentValue < this.valleyOfWaveMinValue) {
					this.valleyOfWaveMinValue += _judgmentValue;
					this.valleyOfWaveMinValueCount++;
				}
			}
			if (Math.abs(_data.oriGyro.oGyroY) > 5) {
				// this.oriGyroYArray.push(_oGyroY);
				_frameGyroValue += _data.oriGyro.oGyroY;
			}
		}
		//后面通用使用这个类型传输数据
		this.event.trigger('resultant', {
			type: "stateDataOfJump",
			currentMaxValue: _frameMaxValue,
			currentMinValue: _frameMinValue,
			peakOfWaveMaxValue: this.peakOfWaveMaxValue,
			valleyOfWaveMinValue: this.valleyOfWaveMinValue,
			oGyroValue: _frameGyroValue,
			// resultant: resultant,
			tempIndex: i, //触发了多少次
			// name: "highestCountEnd"
		});
		this.event.trigger('resultant', {
			type: "stop",
			arrayData: this.dataArray
		});
	}

	this.jumpOpts.bUpState = false;
	// 清空触发的数值
	this.tempDataArray = [];
	this.jumpOpts.endTime = new Date().getTime();

	console.log("end bUpState");
}

ActionJump.prototype.setBUpState = function (value) {
	this.jumpOpts.bUpState = value;
}


//重置对应的参数
ActionJump.prototype.resetAll = function () {
	console.log("resetAll");
	this.peakOfWaveMaxValue = 0;
	this.peakOfWaveMaxValueCount = 0;
	this.valleyOfWaveMinValue = 0;
	this.valleyOfWaveMinValueCount = 0;
}

/**
 * 日志
 * @param {Object} data
 * @param {Object} logType
 */
ActionJump.prototype.sendLog = function (data, logType) {
	this.event.trigger('resultant', {
		type: "log",
		logType: logType,
		data: data
	});
}

if (typeof module === "object" && typeof module.exports === "object") {
	module.exports = ActionJump;
}