import { UserProfile } from '../types/index'
import { api } from './api'

const USER_KEY = 'wangquan_user'

export async function login(): Promise<UserProfile> {
  const { userInfo } = await api.login()
  wx.setStorageSync(USER_KEY, JSON.stringify(userInfo))
  return userInfo
}

export function getCachedUser(): UserProfile | null {
  try {
    const raw = wx.getStorageSync(USER_KEY)
    return raw ? JSON.parse(raw) : null
  } catch {
    return null
  }
}

export async function requireLocation(): Promise<{ latitude: number; longitude: number }> {
  return new Promise((resolve, reject) => {
    wx.getLocation({
      type: 'gcj02',
      success: res => resolve({ latitude: res.latitude, longitude: res.longitude }),
      fail: () => {
        wx.showModal({
          title: '需要位置权限',
          content: '汪圈需要获取您的位置来显示附近的宠物，请在设置中开启位置权限',
          confirmText: '去设置',
          success: res => {
            if (res.confirm) wx.openSetting({})
            reject(new Error('位置权限被拒绝'))
          },
        })
      },
    })
  })
}

export async function chooseAndUploadMedia(count = 9): Promise<string[]> {
  return new Promise((resolve, reject) => {
    wx.chooseMedia({
      count,
      mediaType: ['image'],
      sourceType: ['album', 'camera'],
      maxDuration: 30,
      camera: 'back',
      success: async res => {
        try {
          wx.showLoading({ title: '上传中...', mask: true })
          const uploads = res.tempFiles.map(f => {
            const ext = f.tempFilePath.split('.').pop() || 'jpg'
            const cloudPath = `posts/${Date.now()}_${Math.random().toString(36).slice(2)}.${ext}`
            return wx.cloud.uploadFile({ cloudPath, filePath: f.tempFilePath })
          })
          const results = await Promise.all(uploads)
          wx.hideLoading()
          resolve(results.map(r => r.fileID))
        } catch (e) {
          wx.hideLoading()
          reject(e)
        }
      },
      fail: reject,
    })
  })
}