import $ from "../../utils/request";

Page({
	data: {
		userInfo: null,
		token: null,

		deviceInfo: null
	},

	onShow() {
		let token = wx.getStorageSync("token") || null;
		let userInfo = wx.getStorageSync("userInfo") || null;
		this.setData({
            userInfo: userInfo,
            token: token
		})
		if(token) {
			this.getDevice(false);
		}
    },
    
    openLoginOrReg() {
		if(this.data.token) {
            this.openLoginOrReg_();
        } else {
            this.starLogin().then(() => {
                this.getDevice(true);
            }).catch(() => {
                wx.showToast({
					title: "登录失败,请重试!",
					icon: "none"
				})
            })
        }
    },
    openLoginOrReg_() {
        let deviceInfo = this.data.deviceInfo;
        if(deviceInfo) {
            wx.navigateTo({
                url: "/pages/userInfo/userInfo"
            })
        } else {
            wx.showModal({
            	title: "提示",
            	content: "当前用户暂未绑定设备,需要绑定吗?",
            	confirmText: "去绑定",
            	success: (res) => {
            		if (res.confirm) {
            			wx.navigateTo({
            				url: "/pages/searchDevice/searchDevice"
            			})
            		}
            	}
            })
        }
    },

	// 打开设备详情
	openDeviceInfo() {
		if(this.data.token) {
			this.openDeviceInfo_();
		} else {
			this.starLogin().then(() => {
                this.openDeviceInfo_();
            }).catch(() => {
                wx.showToast({
					title: "登录失败,请重试!",
					icon: "none"
				})
            })
		}
    },
    openDeviceInfo_ () {
        let deviceInfo = this.data.deviceInfo;
        if(deviceInfo) {
            wx.navigateTo({
                url: "/pages/deviceInfo/deviceInfo"
            })
        } else {
            wx.showModal({
                title: "提示",
                content: "当前暂未绑定设备,需要绑定吗?",
                confirmText: "去绑定",
                success: (res) => {
                    if (res.confirm) {
                        wx.navigateTo({
                            url: "/pages/searchDevice/searchDevice"
                        })
                    }
                }
            })
        }
    },

    starLogin() {
        return new Promise((resolve, reject) => {
            wx.login({
                success: (res) => {
                    if (res.code) {
                        let params = {
                            code: res.code
                        };
                        $.ajax("weighingScale/checkOpenIdLogin", params, "POST", true, "登录中...").then((res) => {
                            wx.setStorageSync("userInfo", res.result.user);
                            wx.setStorageSync("token", res.result.token);
                            this.setData({
                                token: res.result.token,
                                userInfo: res.result.user
                            })
                            resolve();
                        }).catch((err) => {
                            reject();
                        })
                    } else {
                        reject();
                    }
                }
            })
        })
    },

	// 获取已经绑定的设备列表
	getDevice(bol) {
		let params = {};
		$.ajax("weighingScale/list/device", params, "GET", false).then((res) => {
			this.setData({
				deviceInfo: res.result && res.result.length ? res.result[0] : null
            })
            if(bol) {
                this.openLoginOrReg_();
            }
		})
	},

	// 退出登录
	exitLogin() {
		wx.showModal({
			title: "提示",
			content: "你确定要退出登录吗?",
			success: (res) => {
				if (res.confirm) {
					$.ajax("weighingScale/logout", {}, "POST", true, "正在退出登录...").then(res => {
						wx.showToast({
							icon: "none",
						  	title: res.message
						})
						setTimeout(() => {
							wx.clearStorageSync();
							wx.switchTab({
								url: "/pages/home/home"
							})
						}, 1500)
					})
				}
			}
		})
	}
})