import { get, put } from '../../utils/request/index'

/** 表单数据模型 */
interface MemberForm {
	name: string
	idCard: string
	gender: string
	age: string
	height: string
	weight: string
	/** 1=男 2=女 */
	sex: number
}

/**
 * 编辑用户页
 * 根据用户 dataType 区分非家庭/家庭两种编辑模式
 */
Page({
	data: {
		userId: '',
		/** dataType === 1 为家庭用户 */
		isFamily: false,
		/** 单位（非家庭用户） */
		workNo: '',
		/** 出生年月 YYYY-MM-DD（家庭用户） */
		birthday: '',
		/** 接口返回的原始用户数据，提交时以此为 base 覆盖修改字段 */
		rawUser: null as Record<string, any> | null,

		form: {
			name: '',
			idCard: '',
			gender: '',
			age: '',
			height: '',
			weight: '',
			sex: 0,
		} as MemberForm,
	},

	onLoad(options: Record<string, string>) {
		const { userId } = options
		if (!userId) {
			wx.showToast({ title: '缺少用户信息', icon: 'none' })
			setTimeout(() => wx.navigateBack(), 1500)
			return
		}
		this.setData({ userId })
		get<Record<string, any>>('weighingScale/v3/select/userinfo/byId', { id: userId }, { loading: true })
			.then((res: any) => {
				const u = res.result
				if (!u) return
				const isFamily = u.dataType === 1
				const sex = u.sex ?? 0
				const gender = sex === 1 ? '男' : sex === 2 ? '女' : ''
				const age = this.calcAge(u.birthday ?? '')

				this.setData({
					rawUser: u,
					isFamily,
					workNo: u.workNo ?? '',
					birthday: u.birthday ?? '',
					'form.name': u.realname ?? '',
					'form.idCard': u.idCard ?? '',
					'form.gender': gender,
					'form.age': String(age),
					'form.height': String(u.height ?? ''),
					'form.weight': String(u.weight ?? ''),
					'form.sex': sex,
				})
			})
			.catch(() => {
				wx.showToast({ title: '加载用户信息失败', icon: 'none' })
			})
	},

	/** 从生日字符串计算周岁 */
	calcAge(birthday: string): number {
		if (!birthday) return 0
		const parts = birthday.split('-').map(Number)
		const [year, month, day] = parts
		if (!year || !month || !day) return 0
		const now = new Date()
		let age = now.getFullYear() - year
		const nowMonth = now.getMonth() + 1
		const nowDay = now.getDate()
		if (nowMonth < month || (nowMonth === month && nowDay < day)) age -= 1
		return Math.max(0, age)
	},

	onNameInput(e: WechatMiniprogram.Input) {
		this.setData({ 'form.name': e.detail.value })
	},

	onIdCardInput(e: WechatMiniprogram.Input) {
		this.setData({ 'form.idCard': (e.detail.value || '').trim().toUpperCase() })
	},

	/** 家庭用户性别切换 */
	onGenderTap(e: WechatMiniprogram.TouchEvent) {
		const value = e.currentTarget.dataset.value as string
		const sex = value === '男' ? 1 : 2
		this.setData({
			'form.gender': value,
			'form.sex': sex,
		})
	},

	onHeightInput(e: WechatMiniprogram.Input) {
		this.setData({ 'form.height': e.detail.value })
	},

	onWeightInput(e: WechatMiniprogram.Input) {
		this.setData({ 'form.weight': e.detail.value })
	},

	/** 出生年月变更，同步更新年龄 */
	onBirthdayChange(e: WechatMiniprogram.PickerChange) {
		const birthday = e.detail.value as string
		const age = this.calcAge(birthday)
		this.setData({
			birthday,
			'form.age': String(age),
		})
	},

	onCancel() {
		wx.navigateBack()
	},

	onSubmit() {
		const { name, idCard, gender, height, weight, sex } = this.data.form
		const { isFamily, rawUser } = this.data
		const heightNum = parseFloat(height)
		const weightNum = parseFloat(weight)

		// 昵称（仅家庭用户必填）
		if (isFamily && !name.trim()) {
			wx.showToast({ title: '请填写昵称', icon: 'none' })
			return
		}
		// 家庭用户性别必选
		if (isFamily && !gender) {
			wx.showToast({ title: '请选择性别', icon: 'none' })
			return
		}
		// 家庭用户出生年月必填
		if (isFamily && !this.data.birthday.trim()) {
			wx.showToast({ title: '请填写出生年月', icon: 'none' })
			return
		}
		if (!height || isNaN(heightNum) || heightNum <= 0) {
			wx.showToast({ title: '请填写身高', icon: 'none' })
			return
		}

		const connectDeviceInfoRaw = wx.getStorageSync('connectDeviceInfo')

		// 以接口原始返回为 base，覆盖编辑后的字段
		const payload: Record<string, any> = {
			...(rawUser ?? {}),
			id: this.data.userId,
			realname: name.trim(),
			idCard,
			sex: this.data.form.sex,
			birthday: this.data.birthday,
			height: heightNum,
			weight: isNaN(weightNum) ? 0 : weightNum,
			connectDeviceInfo: connectDeviceInfoRaw ? JSON.stringify(connectDeviceInfoRaw) : (rawUser?.connectDeviceInfo ?? ''),
		}

		put('weighingScale/v3/edit/user', payload)
			.then(() => {
				wx.showToast({ title: '保存成功', icon: 'success' })
				setTimeout(() => {
					const pages = getCurrentPages()
					const prevPage = pages[pages.length - 2] as any
					if (prevPage && prevPage.data?.sn) {
						prevPage._loadData(prevPage.data.sn)
					}
					wx.navigateBack()
				}, 1500)
			})
			.catch(() => {
				wx.showToast({ title: '保存失败，请重试', icon: 'none' })
			})
	}
})