import { defineStore } from 'pinia'
import { ref, computed } from 'vue'
import { getSystemConfig } from '@/api/user'

export const useUserStore = defineStore('user', () => {
  const token = ref(localStorage.getItem('token') || '')
  const username = ref(localStorage.getItem('username') || '')
  const userId = ref(localStorage.getItem('userId') || null)
  const nickname = ref(localStorage.getItem('nickname') || '')
  const signature = ref(localStorage.getItem('signature') || '')
  const avatar = ref(localStorage.getItem('avatar') || '')
  const phone = ref(localStorage.getItem('phone') || '')
  const email = ref(localStorage.getItem('email') || '')
  const storageUsed = ref(Number(localStorage.getItem('storageUsed')) || 0)
  const storageLimit = ref(Number(localStorage.getItem('storageLimit')) || 0)

  const isLoggedIn = computed(() => !!token.value)

  const setToken = (newToken) => {
    token.value = newToken
    localStorage.setItem('token', newToken)
  }

  const setUser = (user) => {
    if (user.id) {
      userId.value = user.id
      localStorage.setItem('userId', user.id)
    }
    if (user.username) {
      username.value = user.username
      localStorage.setItem('username', user.username)
    }
    if (user.nickname) {
      nickname.value = user.nickname
      localStorage.setItem('nickname', user.nickname)
    }
    if (user.signature !== undefined) {
      signature.value = user.signature || ''
      localStorage.setItem('signature', user.signature || '')
    }
    if (user.avatar !== undefined) {
      avatar.value = user.avatar || ''
      localStorage.setItem('avatar', user.avatar || '')
    }
    if (user.phone !== undefined) {
      phone.value = user.phone || ''
      localStorage.setItem('phone', user.phone || '')
    }
    if (user.email !== undefined) {
      email.value = user.email || ''
      localStorage.setItem('email', user.email || '')
    }
    if (user.storageUsed !== undefined) {
      storageUsed.value = Number(user.storageUsed) || 0
      localStorage.setItem('storageUsed', storageUsed.value)
    }
    if (user.storageLimit !== undefined) {
      storageLimit.value = Number(user.storageLimit) || 0
      localStorage.setItem('storageLimit', storageLimit.value)
    }
  }

  const fetchStorageLimit = async () => {
    try {
      const res = await getSystemConfig()
      if (res.data?.storageLimitBytes) {
        storageLimit.value = res.data.storageLimitBytes
        localStorage.setItem('storageLimit', storageLimit.value)
      }
    } catch (e) {
      console.error('获取存储配额失败', e)
    }
  }

  const logout = () => {
    token.value = ''
    username.value = ''
    userId.value = null
    nickname.value = ''
    signature.value = ''
    avatar.value = ''
    phone.value = ''
    email.value = ''
    storageUsed.value = 0
    storageLimit.value = 0
    localStorage.removeItem('token')
    localStorage.removeItem('username')
    localStorage.removeItem('userId')
    localStorage.removeItem('nickname')
    localStorage.removeItem('signature')
    localStorage.removeItem('avatar')
    localStorage.removeItem('phone')
    localStorage.removeItem('email')
    localStorage.removeItem('storageUsed')
    localStorage.removeItem('storageLimit')
  }

  return { token, username, userId, nickname, signature, avatar, phone, email, storageUsed, storageLimit, isLoggedIn, setToken, setUser, fetchStorageLimit, logout }
})