var bleCode = require("./JLZJConfig.js");
var onfire = require("./onfire.js");
var dataTool = require("./dataTool.js");
var successCode = bleCode.bleSuccessCode();
var errorCode = bleCode.bleErrorCode();
var serviceId = "FEE7";
var charact_serviceId = serviceId;
var deviceId;
var serviceId;
var characticId;
var dev;
export function scan_StartScanBleDevice(nameFlag, callBack) {
	var devs = [];
	initBluetoothAdapte(function(res) {
		if (res.code == bleCode.bleSuccessCode()) {
			wx.startBluetoothDevicesDiscovery({
				services: ["FEE7"],
				success: function(res) {
					wx.onBluetoothDeviceFound(function(res) {
						var scandevices = res.devices;
						for (var i = 0; i < scandevices.length; i++) {
							var scan_dev = scandevices[i];
							if (nameFlag != null) {
								if (scan_dev.name.indexOf(nameFlag) != -1) {
									devs.push(scan_dev)
								}
							} else {
								if (scan_dev.name.length > 0) {
									devs.push(scan_dev)
								}
							}
						}
						if (devs.length > 0) {
							callBack.call(this, {
								code: successCode,
								msg: "搜索设备成功",
								data: devs
							})
						}
					})
				},
				fail: function(err) {
					var msg = "";
					if (err) {
						msg = bluetoothErrMsg(err.errCode)
					}
					callBack.call(this, {
						code: bleCode.bleErrorCode(),
						msg: msg,
						data: null
					})
				}
			})
		} else {
			callBack.call(this, res)
		}
	})
};
export function scan_stopScanBleDevice(callBack) {
	wx.stopBluetoothDevicesDiscovery({
		success: function(res) {
			callBack.call(this, {
				code: successCode,
				msg: "停止扫描成功",
				data: null
			})
		},
		fail: function(err) {
			var msg = "";
			if (err) {
				msg = bluetoothErrMsg(err.errCode)
			}
			callBack.call(this, {
				code: errorCode,
				msg: msg,
				data: null
			})
		}
	})
};

function initBluetoothAdapte(callBack) {
	wx.openBluetoothAdapter({
		success: function(res) {
			wx.getBluetoothAdapterState({
				success: function(res) {
					if (res.available == true && res.discovering == false) {
						callBack.call(this, {
							code: successCode,
							msg: "初始化蓝牙模块成功",
							data: null
						})
					}
					if (res.available == false) {
						callBack.call(this, {
							code: errorCode,
							msg: "蓝牙适配器不可用",
							data: null
						})
					}
					if (res.discovering == true) {
						callBack.call(this, {
							code: errorCode,
							msg: "正在搜索设备",
							data: null
						})
					}
				},
				fail: function(err) {
					var msg = "";
					if (err) {
						msg = bluetoothErrMsg(err.errCode)
					}
					callBack.call(this, {
						code: errorCode,
						msg: msg,
						data: null
					})
				}
			})
		},
		fail: function(err) {
			var msg = "";
			if (err) {
				msg = bluetoothErrMsg(err.errCode)
			}
			callBack.call(this, {
				code: errorCode,
				msg: msg,
				data: null
			})
		}
	})
}

function closeBluetoothAdapte(callBack) {
	wx.getBluetoothAdapterState({
		success: function(res) {
			wx.closeBluetoothAdapter({
				success: function(res) {
					callBack.call(this, {
						code: successCode,
						msg: "关闭蓝牙模块成功",
						data: null
					})
				},
				fail: function(err) {
					callBack.call(this, {
						code: errorCode,
						msg: err.errmsg,
						data: null
					})
				}
			})
		},
		fail: function(err) {
			var msg = "";
			if (err) {
				msg = bluetoothErrMsg(err.errCode)
			}
			callBack.call(this, {
				code: errorCode,
				msg: msg,
				data: null
			})
		}
	})
}
export function connectDevice(device, callBack) {
	dev = device;
	getConnectedDevice(function(res) {
		if (res.code == bleCode.bleSuccessCode()) {
			wxConnectDevice(function(res) {
				callBack.call(this, res)
			})
		} else {
			callBack.call(this, res)
		}
	})
};
//dis连接设备
export function disConnectDevice(callBack) {
	wxDisConnectDevice(function(res) {
		callBack.call(this, res)
	})
};
export function onDeviceConnectStateChange(callBack) {
	wx.onBLEConnectionStateChange(function(res) {
		if (res.connected == true) {
			callBack.call(this, {
				code: bleCode.successCode(),
				data: res.deviceId,
				msg: "设备连接"
			})
		} else {
			callBack.call(this, {
				code: bleCode.ondisConnect(),
				data: res.deviceId,
				msg: "设备断开"
			})
		}
	})
};

function wxConnectDevice(callBack) {
	console.log("连接设备对象:" + JSON.stringify(dev));
	wx.createBLEConnection({
		deviceId: dev.deviceId,
		success: function(res) {
			callBack.call(this, {
				code: bleCode.bleSuccessCode(),
				msg: "蓝牙物理连接成功",
				data: dev
			})
		},
		fail: function(err) {
			var msg = "";
			if (err) {
				msg = bluetoothErrMsg(err.errCode)
			}
			callBack.call(this, {
				code: bleCode.bleErrorCode(),
				msg: msg,
				data: null
			})
		}
	})
}

function getConnectedDevice(callBack) {
	wx.getConnectedBluetoothDevices({
		services: ["fee7"],
		success: function(res) {
			if (res.devices.length > 0) {
				callBack.call(this, {
					code: bleCode.bleErrorCode(),
					msg: "蓝牙被占用",
					data: res.services[0]
				})
			} else {
				callBack.call(this, {
					code: bleCode.bleSuccessCode(),
					msg: "可连接设备",
					data: null
				})
			}
		},
		fail: function(err) {
			var msg = "";
			if (err) {
				msg = bluetoothErrMsg(err.errCode)
			}
			callBack.call(this, {
				code: bleCode.bleErrorCode(),
				msg: msg,
				data: null
			})
		}
	})
}

function wxDisConnectDevice(callBack) {
	if (dev != null) {
		wx.closeBLEConnection({
			deviceId: dev.deviceId,
			success: function(res) {
				wx.closeBluetoothAdapter({
					success: function(res) {
						callBack.call(this, {
							code: bleCode.bleSuccessCode(),
							msg: "设备断开连接成功",
							data: null
						})
					},
					fail: function(err) {
						callBack.call(this, {
							code: bleCode.bleErrorCode(),
							msg: "设备断开连接成功," + err.errmsg,
							data: null
						})
					}
				})
			},
			fail: function(err) {
				var msg = "";
				if (err) {
					msg = bluetoothErrMsg(err.errCode)
				}
				callBack.call(this, {
					code: bleCode.bleErrorCode(),
					msg: msg,
					data: null
				})
			}
		})
	} else {
		callBack.call(this, {
			code: bleCode.bleSuccessCode(),
			msg: "暂无设备连接",
			data: null
		})
	}
}
export function findDeviceServices(device, callBack1, callBack2) {
	getDeviceService(device, function(res) {
		getDeviceCharacteristics(device, res.data, function(res1) {
			callBack1.call(this, res1)
		}, function(res2) {
			if (res2.code == bleCode.bleSuccessCode()) {
				wx.onBLECharacteristicValueChange(function(res) {
					console.log("接收数据<<=============:" + dataTool.bufferTohex(res.value).toLocaleUpperCase());
					callBack2.call(this, {
						code: bleCode.bleSuccessCode(),
						msg: "特征值发生变化",
						data: {
							value: dataTool.bufferTohex(res.value).toLocaleUpperCase()
						}
					})
				})
			} else {
				callBack2.call(this, res2)
			}
		})
	})
};

function getDeviceService(device, callBack) {
	//获取蓝牙低功耗设备所有服务 (service)。
	wx.getBLEDeviceServices({
		deviceId: device.deviceId, //设备ID
		success: function(res) {
			var services = res.services;
			for (var i = 0; i < services.length; i++) {
				if ("0000FEE7" == res.services[i].uuid.substr(0, 8)) {
					callBack.call(this, {
						code: bleCode.bleSuccessCode(),
						msg: "寻找服务成功",
						data: res.services[i].uuid
					})
				}
			}
		}
	})
}

function getDeviceCharacteristics(device, serviceId, callBack1, callBack2) {
	//获取蓝牙低功耗设备某个服务中所有特征
	wx.getBLEDeviceCharacteristics({
		deviceId: device.deviceId,
		serviceId: serviceId,
		success: function(res) {
			var charactertics = res.characteristics;
			for (var i = 0; i < charactertics.length; i++) {
				var charact = charactertics[i];
				if (charact.properties.read == true) {
					//读取蓝牙低功耗设备特征值的二进制数据。注意：必须设备的特征支持 read 才可以成功调用。
					wx.readBLECharacteristicValue({
						deviceId: device.deviceId,
						serviceId: charact_serviceId,
						characteristicId: charact.uuid,
						success: function(res) {}
					})
				}
				if (charact.properties.write == true) {
					callBack1.call(this, {
						code: bleCode.bleSuccessCode(),
						msg: null,
						data: {
							id: {
								devId: device.deviceId,
								serId: serviceId,
								charactId: charact.uuid
							}
						}
					})
				}
				if (charact.properties.notify == true || charact.properties.indicate == true) {
					wx.notifyBLECharacteristicValueChange({
						deviceId: device.deviceId,
						serviceId: serviceId,
						characteristicId: charact.uuid,
						state: true,
						success: function(res) {
							callBack2.call(this, {
								code: bleCode.bleSuccessCode(),
								msg: "开启设备监听成功",
								data: res
							})
						},
						fail: function(err) {
							var msg = "";
							if (err) {
								msg = bluetoothErrMsg(err.errCode)
							}
							callBack2.call(this, {
								code: bleCode.bleErrorCode(),
								msg: msg,
								data: null
							})
						}
					})
				}
			}
		}
	})
}
export function setParams(id) {
	deviceId = id.devId;
	serviceId = id.serId;
	characticId = id.charactId;
	console.log("写数据各项ID:" + JSON.stringify(id))
};
export function sendMessageToDevice(cmdArray, callBack) {
	var cmd = dataTool.strToBuffer(cmdArray[0]);
	var i = 0;
	wx.writeBLECharacteristicValue({
		deviceId: deviceId,
		serviceId: serviceId,
		characteristicId: characticId,
		value: cmd,
		success: function(res) {
			if (i < cmdArray.length - 1) {
				i++;
				onfire.fire("send", i)
			} else {
				onfire.clear();
				console.info("所有数据发送完成 共:" + cmdArray.length + "包");
				console.info("发送数据=============>>::" + cmdArray);
				callBack.call(this, {
					code: successCode,
					msg: "数据发送成功",
					data: cmdArray
				})
			}
		},
		fail: function(err) {
			console.log("writeBLECharacteristicValue fail:" + JSON.stringify(err));
			var msg = "";
			if (err) {
				msg = bluetoothErrMsg(err.errCode)
			}
			callBack.call(this, {
				code: bleCode.bleErrorCode(),
				msg: msg,
				data: null
			})
		}
	});
	onfire.on("send", i => {
		var cmd1 = dataTool.strToBuffer(cmdArray[i]);
		wx.writeBLECharacteristicValue({
			deviceId: deviceId,
			serviceId: serviceId,
			characteristicId: characticId,
			value: cmd1,
			success: function(res) {
				if (i < cmdArray.length - 1) {
					i++;
					onfire.fire("send", i)
				} else {
					onfire.clear();
					console.info("所有数据发送完成 共:" + cmdArray.length + "包");
					console.info("发送数据=============>>:" + cmdArray);
					callBack.call(this, {
						code: successCode,
						msg: "数据发送成功",
						data: cmdArray
					})
				}
			},
			fail: function(err) {
				console.log("writeBLECharacteristicValue fail:" + JSON.stringify(err));
				var msg = "";
				if (err) {
					msg = bluetoothErrMsg(err.errCode)
				}
				callBack.call(this, {
					code: bleCode.bleErrorCode(),
					msg: msg,
					data: null
				})
			}
		})
	})
};

function bluetoothErrMsg(errorCode) {
	switch (errorCode) {
		case 0:
			return "正常";
			break;
		case 1e4:
			return "未初始化蓝牙适配器";
			break;
		case 10001:
			return "当前蓝牙适配器不可用";
			break;
		case 10002:
			return "没有找到指定设备";
			break;
		case 10003:
			return "连接失败：操作超时";
			break;
		case 10004:
			return "蓝牙设备没有找到指定服务";
			break;
		case 10005:
			return "蓝牙设备没有找到指定特征值";
			break;
		case 10006:
			return "当前设备连接已断开";
			break;
		case 10007:
			return "当前特征值不支持此操作";
			break;
		case 10008:
			return "其余所有系统上报的异常";
			break;
		case 10009:
			return "安卓系统版本低于4.3不支持BLE";
			break;
		default:
			return "操作失败";
			break
	}
}