/**
 * Soul创业派对 - 收货地址新建/编辑
 */
const app = getApp()

Page({
  data: {
    statusBarHeight: 44,
    id: '',
    isEdit: false,
    name: '',
    phone: '',
    region: ['广东省', '广州市', '天河区'],
    province: '广东省',
    city: '广州市',
    district: '天河区',
    detail: '',
    isDefault: false,
    loading: false
  },

  onLoad(options) {
    this.setData({ statusBarHeight: app.globalData.statusBarHeight })
    if (options.id) {
      this.setData({ id: options.id, isEdit: true })
      this.loadItem(options.id)
    }
  },

  async loadItem(id) {
    wx.showLoading({ title: '加载中...' })
    try {
      const res = await app.request('/api/user/addresses/' + id)
      wx.hideLoading()
      if (res.success && res.item) {
        const item = res.item
        this.setData({
          name: item.name,
          phone: item.phone,
          province: item.province || '',
          city: item.city || '',
          district: item.district || '',
          region: [item.province || '', item.city || '', item.district || ''],
          detail: item.detail,
          isDefault: item.isDefault
        })
      }
    } catch (e) {
      wx.hideLoading()
      wx.showToast({ title: '加载失败', icon: 'none' })
    }
  },

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

  onPhoneInput(e) {
    this.setData({ phone: e.detail.value.replace(/\D/g, '').slice(0, 11) })
  },

  onRegionChange(e) {
    const region = e.detail.value
    this.setData({
      region,
      province: region[0] || '',
      city: region[1] || '',
      district: region[2] || ''
    })
  },

  onDetailInput(e) {
    this.setData({ detail: e.detail.value.trim() })
  },

  onDefaultChange(e) {
    this.setData({ isDefault: e.detail.value })
  },

  async save() {
    const { id, isEdit, name, phone, province, city, district, detail, isDefault } = this.data
    if (!name) {
      wx.showToast({ title: '请输入收货人姓名', icon: 'none' })
      return
    }
    if (!phone || !/^1[3-9]\d{9}$/.test(phone)) {
      wx.showToast({ title: '请输入正确的手机号', icon: 'none' })
      return
    }
    // 省/市/区为选填，不校验
    if (!detail) {
      wx.showToast({ title: '请输入详细地址', icon: 'none' })
      return
    }
    const userId = app.globalData.userInfo?.id
    if (!userId) {
      wx.showToast({ title: '请先登录', icon: 'none' })
      return
    }
    this.setData({ loading: true })
    try {
      if (isEdit && id) {
        const res = await app.request('/api/user/addresses/' + id, {
          method: 'PUT',
          data: { name, phone, province, city, district, detail, isDefault }
        })
        if (res.success) {
          wx.showToast({ title: '保存成功', icon: 'success' })
          setTimeout(() => wx.navigateBack(), 1500)
        } else {
          wx.showToast({ title: res.message || '保存失败', icon: 'none' })
          this.setData({ loading: false })
        }
      } else {
        const res = await app.request('/api/user/addresses', {
          method: 'POST',
          data: { userId, name, phone, province, city, district, detail, isDefault }
        })
        if (res.success) {
          wx.showToast({ title: '添加成功', icon: 'success' })
          setTimeout(() => wx.navigateBack(), 1500)
        } else {
          wx.showToast({ title: res.message || '添加失败', icon: 'none' })
          this.setData({ loading: false })
        }
      }
    } catch (e) {
      this.setData({ loading: false })
      wx.showToast({ title: '保存失败', icon: 'none' })
    }
  },

  goBack() {
    wx.navigateBack()
  }
})