import { validateCredentials } from './validate-credentials.js'

export { validateCredentials }

const TOKEN_KEY = 'zkxw_mobile_token'
const USER_KEY = 'zkxw_mobile_user'

export function getToken() {
  try {
    return uni.getStorageSync(TOKEN_KEY) || ''
  } catch (e) {
    return ''
  }
}

export function isLoggedIn() {
  return !!getToken()
}

export function getUser() {
  try {
    const raw = uni.getStorageSync(USER_KEY)
    return raw ? JSON.parse(raw) : null
  } catch (e) {
    return null
  }
}

export function clearSession() {
  try {
    uni.removeStorageSync(TOKEN_KEY)
    uni.removeStorageSync(USER_KEY)
  } catch (e) {
    /* ignore */
  }
}

export function mockPasswordLogin({ username, password }) {
  const v = validateCredentials(username, password)
  if (!v.ok) {
    const err = new Error(v.message)
    err.code = v.code
    throw err
  }
  const u = (username || '').trim()
  const token = 'mock_' + Date.now()
  const user = { username: u, displayName: u }
  uni.setStorageSync(TOKEN_KEY, token)
  uni.setStorageSync(USER_KEY, JSON.stringify(user))
  return { token, user }
}

export function mockWechatLogin() {
  const token = 'mock_wx_' + Date.now()
  const user = { username: 'wx_user', displayName: '微信用户' }
  uni.setStorageSync(TOKEN_KEY, token)
  uni.setStorageSync(USER_KEY, JSON.stringify(user))
  return { token, user }
}