const { request, clientRequestId } = require('../../utils/api.js')

Page({
  data: {
    form: { city: '', contactName: '', contactPhone: '', message: '' },
    clientRequestId: '', applicationNo: '', submitting: false, errorMessage: '',
  },
  onLoad() { this.setData({ clientRequestId: clientRequestId('franchise') }) },
  onInput(event) { const field = event.currentTarget.dataset.field; this.setData({ [`form.${field}`]: event.detail.value }) },
  async submit() {
    const form = this.data.form
    if (!form.city.trim() || !form.contactName.trim() || !/^\+?[0-9 -]{6,20}$/.test(form.contactPhone.trim())) {
      this.setData({ errorMessage: '请填写意向城市、联系人和有效联系电话' }); return
    }
    this.setData({ submitting: true, errorMessage: '' })
    try {
      const response = await request('/franchise-applications', { method: 'POST', data: {
        city: form.city.trim(), contactName: form.contactName.trim(),
        contactPhone: form.contactPhone.trim(), message: form.message.trim(),
        clientRequestId: this.data.clientRequestId,
      } })
      this.setData({ applicationNo: response.data.applicationNo })
    } catch (error) { this.setData({ errorMessage: error.message || '申请提交失败，请稍后重试' }) }
    finally { this.setData({ submitting: false }) }
  },
  backHome() { wx.reLaunch({ url: '/pages/index/index' }) },
})