import { getUserInfoByIdCard, updateUser, type UserInfo } from '../../api/index'
import { parseIdCard, isIdCardValid } from '../../utils/idCard/index'

Page({
    data: {
        name: '',
        idCard: '',
        gender: '',
        age: '',
        sex: 0,
        birthday: '',
        height: '',
        weight: '',

        /** 查询接口返回的原始用户信息 */
        serverResult: null as UserInfo | null,
        /** 身份证已存在（flag=101）时表单只读 */
        readonly: false,
        /** 是否展示「复用信息」确认弹框 */
        showConfirmModal: false,
        /** 查询接口是否报错（报错时提交前需重新查询） */
        queryError: false,
    },

    /** 姓名/身份证变动后，查询回填的信息失效，统一清空 */
    _clearQuery() {
        this.setData({
            serverResult: null,
            gender: '',
            age: '',
            sex: 0,
            birthday: '',
            height: '',
            weight: '',
            readonly: false,
            queryError: false,
        })
    },

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

    // 失焦重新校验：姓名改完、身份证仍合法时重新发起查询
    onNameBlur() {
        if (!this.data.name) return
        this.validateIdCard()
    },

    onIdCardInput(e: WechatMiniprogram.Input) {
        const idCard = (e.detail.value || '').trim().toUpperCase()
        this.setData({ idCard })
        this._clearQuery()
        if (idCard.length === 18) this.validateIdCard()
    },

    /* 独立的身份证合法性校验，合法且姓名已填则请求接口 */
    validateIdCard() {
        const { idCard, name } = this.data
        if (isIdCardValid(idCard) && name) this.fetchUser()
    },

    fetchUser() {
        getUserInfoByIdCard({
            idCard: this.data.idCard,
            realname: this.data.name,
        }).then((res) => {
            const serverResult = res.result
            // 优先按服务器返回的身份证解析，未查到则回退用户输入
            const { gender, age, sex, birthday } = parseIdCard(serverResult?.idCard || this.data.idCard)
            this.setData({ gender, age, sex, birthday, queryError: false })
            if (!serverResult) {
                // wx.showToast({ title: res.msg || '未查询到用户信息', icon: 'none' })
                return
            }
            // flag=101：身份证已存在，弹框确认是否复用
            if (serverResult.flag === 101) {
                this.setData({
                    serverResult,
                    name: serverResult.realname ?? '',
                    idCard: serverResult.idCard ?? '',
                    height: serverResult.height ? String(serverResult.height) : '',
                    weight: serverResult.weight ? String(serverResult.weight) : '',
                    readonly: true,
                    showConfirmModal: true,
                })
                return
            }
            // flag=null：查到但未建档，回填已有身高体重
            if (serverResult.flag === null) {
                this.setData({
                    serverResult,
                    height: serverResult.height ? String(serverResult.height) : '',
                    weight: serverResult.weight ? String(serverResult.weight) : '',
                })
                return
            }
        }).catch(() => {
            // 查询报错：仍按身份证解析性别/年龄，标记需重新查询
            const { gender, age, sex, birthday } = parseIdCard(this.data.idCard)
            this.setData({ gender, age, sex, birthday, queryError: true })
        })
    },

    // 复用已有信息：关闭弹框直接提交
    onConfirmModalConfirm() {
        this.setData({ showConfirmModal: false })
        this.onSubmit()
    },

    // 不复用：清空整个表单重新填写
    onConfirmModalCancel() {
        this.setData({ showConfirmModal: false, name: '', idCard: '' })
        this._clearQuery()
    },

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

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

    async onSubmit() {
        const { name, idCard, height, weight } = this.data
        const heightNum = parseFloat(height)
        const weightNum = parseFloat(weight)

        if (!name) {
            wx.showToast({ title: '请填写姓名', icon: 'none' })
            return
        }
        if (!this.data.gender || !this.data.age || !this.data.birthday) {
            wx.showToast({ title: '请填写正确的身份证号', icon: 'none' })
            return
        }
        if (!height || isNaN(heightNum) || heightNum <= 0) {
            wx.showToast({ title: '请填写身高', icon: 'none' })
            return
        }

        let sex = this.data.sex
        let birthday = this.data.birthday

        // 查询接口报错 → 重新查询，成功后再提交
        if (this.data.queryError) {
            try {
                const res = await getUserInfoByIdCard({ idCard, realname: name })
                const result = res.result
                const parsed = parseIdCard(result?.idCard || idCard)
                this.setData({ serverResult: result, ...parsed, queryError: false })
                sex = parsed.sex
                birthday = parsed.birthday
            } catch (err: any) {
                console.error('[supplementPersonal] 重新查询失败:', err)
                wx.showToast({ title: err?.msg || err?.message || '查询失败，请重试', icon: 'none' })
                return
            }
        }

        updateUser({
            ...(this.data.serverResult || {}),
            idCard,
            realname: name,
            height: heightNum,
            weight: weightNum || 0,
            sex,
            birthday,
        }).then((res) => {
            wx.setStorageSync('userInfo', res.result)
            wx.switchTab({ url: '/pages/home/home' })
        }).catch((err: any) => {
            console.error('[supplementPersonal] 保存失败:', err)
            wx.showToast({ title: err?.msg || err?.message || '保存失败，请重试', icon: 'none' })
        })
    },
})