bodyWeight/pages/configureDevice/configureDevice.js

const app = getApp();
const ppScale = app.globalData.ppScale;

Page({
	data: {
		progress: {
			index: 0,
			data: ['配置蓝牙', '初始化用户信息', '配备网络', '完成']
		},

		progressNext: false,
		device: null
	},

	onLoad() {
		// 一次性数据初始化，订阅逻辑在 onShow 中注册
	},

	// 记录 stop() 调用时间，用于 onShow 动态计算安全延迟
	_stopTime: 0,

	onShow() {
		console.log("configureDevice onShow");
		const elapsed = Date.now() - (this._stopTime || 0);
		const delay = Math.max(0, 500 - elapsed);
		setTimeout(() => {
			// 注册 app 级别的全局 bus 订阅（stop() 已清空，直接重新订阅）
			app.registerBusListeners();

			// 页面级 bus 订阅
			ppScale.plugin.bus.subscribe("devicesModel", (res) => {
				console.log("===》devicesModel", res);
				ppScale.device.mac = res.deviceMac;
				this._macReady = true;
				this._tryProgress();
			});

			ppScale.plugin.bus.subscribe("deviceConnect", (res) => {
				console.log('===》deviceConnect', res);
				ppScale.plugin.ScaleAction.startDataProgress(true);
				ppScale.activeProtocol = ppScale.plugin.ScaleAction.getActiveProtocol();

				let currentStep = this.data.progress.index;

				// 步骤 1/2/3：最小化后重连，只需恢复连接状态
				if (currentStep >= 1) {
					ppScale.activeProtocol.codeUpdateMTU((mtuRes) => {
						console.log("===》重连 codeUpdateMTU", mtuRes);
						ppScale.device.name = this.data.device.name;
						ppScale.device.connection = this.data.device;
						wx.hideLoading();
						if (currentStep === 2) {
							const comp = this.selectComponent('#configureDevice3');
							if (comp) comp.reInitWifi();
						}
					});
					return;
				}

				// 步骤 0：首次连接设备
				ppScale.activeProtocol.codeUpdateMTU((mtuRes) => {
					console.log("===》codeUpdateMTU", mtuRes);
					ppScale.activeProtocol.codeSyncTime((codeSyncTime) => {
						console.log("===》codeSyncTime", codeSyncTime);
						wx.hideLoading();
						ppScale.device.name = this.data.device.name;
						ppScale.device.connection = this.data.device;
						const nameArr = this.data.device.name.split("-");
						ppScale.version = nameArr.length === 5 ? "domain2" : "domain1";
						this._connectReady = true;
						this._tryProgress();
					});
				});
			});

			// 如果之前已选择过设备，自动扫描并重连
			if (this.data.device) {
				wx.showLoading({ title: "正在重新连接...", mask: true });
				ppScale.plugin.bus.subscribe("devicesList", (res) => {
					let fIndex = res.findIndex(item => item.deviceId === this.data.device.deviceId);
					if (fIndex >= 0) {
						ppScale.plugin.Blue.stopBluetoothDevicesDiscovery();
						ppScale.plugin.Blue.createBLEConnection(res[fIndex]);
					}
				});
			}

			// 通过完整链路重新初始化蓝牙（权限检查 → 打开适配器 → start）
			this.checkBluetoothPermissionAndInit();
		}, delay);
	},

	// 选择了某个设备
	deviceChange(e) {
		let status = e.detail.status;
		if (status) {
			wx.showLoading({
				title: "蓝牙配对中...",
				mask: true
			});
			this.setData({
				progressNext: true
			})
			let device = e.detail.device;
			this.connectedDevice_(device);
		}
	},

	connectedDevice(e) {
		app.resetReconnectCount();
		wx.showLoading({
			title: "正在尝试连接...",
			mask: true
		});
		this.setData({
			progressNext: false
		})
		let device = e.detail.device;
		// 先断开旧连接再重新连接
		ppScale.plugin.Blue.disconnect((disres) => {
			this.connectedDevice_(device);
		});
	},

	connectedDevice_(device) {
		if (device) {
			this.setData({
				device: device
			})
			ppScale.plugin.Blue.createBLEConnection(device);
		}
	},

	setDeviceUserList(e) {
		let { status, progressIndex } = e.detail;
		if (status) {
			// progressIndex 由子组件根据配网状态决定：2=进入配网，3=跳过配网
			if (progressIndex !== undefined) {
				this.setProgressTo(progressIndex);
			} else {
				this.setProgress();
			}
		}
	},

	setDeviceConfig(e) {
		let status = e.detail.status;
		if (status) {
			this.setProgress();
		}
	},

	setConfigSuccessful() {
		app.cleanupConnection();
		wx.switchTab({
			url: "/pages/home/home"
		})
	},

	setProgress() {
		const newIndex = this.data.progress.index + 1;
		this.setProgressTo(newIndex);
	},

	// 直接跳转到指定步骤，统一处理各步骤的初始化副作用
	setProgressTo(newIndex) {
		this.setData({ "progress.index": newIndex });
		// 进入步骤2（配网）时，等待组件渲染完成后由父页面显式触发 WiFi 列表获取
		if (newIndex === 2) {
			setTimeout(() => {
				const comp = this.selectComponent('#configureDevice3');
				if (comp) comp.initWifi();
			}, 1000);
		}
		// 进入步骤3（OTA升级）时，等待组件渲染完成后由父页面显式触发升级
		if (newIndex === 3) {
			setTimeout(() => {
				const comp = this.selectComponent('#configureDevice4');
				if (comp) comp.startOtaUpgrade();
			}, 1000);
		}
	},

	// 连接完成 + mac 获取完成，双条件满足后才进入下一步
	_connectReady: false,
	_macReady: false,
	_tryProgress() {
		if (this._connectReady && this._macReady && this.data.progressNext) {
			this._connectReady = false;
			this._macReady = false;
			this.setData({ progressNext: false });
			this.setProgress();
		}
	},

	checkBluetoothPermissionAndInit() {
		wx.getSetting({
			success: (res) => {
				if (res.authSetting['scope.bluetooth']) {
					this.openBluetoothAdapter();
				} else {
					wx.authorize({
						scope: 'scope.bluetooth',
						success: () => {
							this.openBluetoothAdapter();
						},
						fail: () => {
							wx.hideLoading();
							wx.showModal({
								title: '提示',
								content: '蓝牙权限被拒绝，无法连接设备。是否前往设置开启？',
								confirmText: '去开启',
								cancelText: '不开启',
								success: (modalRes) => {
									if (modalRes.confirm) {
										wx.openSetting();
									}
								}
							});
						}
					});
				}
			},
			fail: () => {
				wx.hideLoading();
			}
		});
	},

	openBluetoothAdapter() {
		wx.openBluetoothAdapter({
			success: () => {
				// 蓝牙适配器打开成功，设置设备配置后启动扫描
				let setting = ppScale.device.setting;
				ppScale.plugin.Blue.setDeviceSetting(setting);
				let deviceNames = setting.map(item => item.deviceName);
				ppScale.plugin.Blue.start(deviceNames, false);
			},
			fail: (err) => {
				wx.hideLoading();
				if (err.errCode === 10001) {
					wx.showModal({
						title: "提示",
						content: "请确保手机蓝牙已开启。",
						showCancel: false
					});
				}
			}
		});
	},

	onHide() {
		console.log("configureDevice onHide");
		app.cleanupConnection();
		// 配网步骤：立即清空 WiFi 列表（stop 后数据已失效）
		if (this.data.progress.index === 2) {
			const comp = this.selectComponent('#configureDevice3');
			if (comp) {
				comp.setData({ progress: 0, wifiList: [], selectWifi: null, selectWifiPWD: "" });
			}
		}
		this._connectReady = false;
		this._macReady = false;
		this._stopTime = Date.now();
	},

	onUnload() {
		console.log("configureDevice onUnload");
		app.cleanupConnection();
		this._connectReady = false;
		this._macReady = false;
		this._stopTime = Date.now();
	}
})