import { defineStore } from 'pinia'
import { authApi, profileApi } from '../utils/api'

/** Normalize vipEndTime from Jackson array [y,m,d,h,m,s] to ISO string */
function normalizeDate(v) {
  if (!v) return null
  if (Array.isArray(v)) {
    const [y, m, d, h = 0, min = 0, s = 0] = v
    const pad = (n) => String(n).padStart(2, '0')
    return `${y}-${pad(m)}-${pad(d)}T${pad(h)}:${pad(min)}:${pad(s)}`
  }
  return v
}

export const useUserStore = defineStore('user', {
  state: () => ({
    token: uni.getStorageSync('token') || '',
    nickname: '',
    avatarUrl: '',
    isVip: false,
    vipType: null,
    vipEndTime: null,
    referralCode: '',
    // Daily quota
    usedCharts: 0,
    maxCharts: 3,
    usedChats: 0,
    maxChats: 3,
    usedAcademic: 0,
    maxAcademic: 1,
    shareCount: 0,
    shareLimit: 1,
    // Commission
    totalCommission: 0,
    availableCommission: 0,
    // US-5.1 Profile fields
    profileIncomplete: false,
    gender: 0,
    birthDate: null,
    bio: '',
    city: '',
    tags: '',
    lookingFor: 0,
    profileComplete: false,
    birthYear: 0,
    birthMonth: 0,
    birthDay: 0
  }),
  getters: {
    isLoggedIn: (state) => !!state.token,
    isVipActive: (state) => {
      if (!state.vipEndTime) return false
      return new Date(state.vipEndTime) > new Date()
    }
  },
  actions: {
    async login(openid, nickname, avatarUrl, referralCode) {
      const data = { openid, nickname, avatarUrl }
      if (referralCode) data.referralCode = referralCode
      const res = await authApi.login(data)
      const tokenStr = res.token || res
      this.token = tokenStr
      uni.setStorageSync('token', tokenStr)
      this.nickname = nickname
      this.avatarUrl = avatarUrl
      // US-5.1 §5-7: Check profile completion
      this.profileIncomplete = res.profileIncomplete === true
    },
    async wechatLogin(code, nickname, avatarUrl, referralCode) {
      const data = { code, nickname, avatarUrl }
      if (referralCode) data.referralCode = referralCode
      const res = await authApi.login(data)
      const tokenStr = res.token || res
      this.token = tokenStr
      uni.setStorageSync('token', tokenStr)
      this.nickname = nickname || '微信用户'
      this.avatarUrl = avatarUrl || ''
      // US-5.1 §5-7: Check profile completion
      this.profileIncomplete = res.profileIncomplete === true
      // Fetch full profile after login
      try { await this.fetchProfile() } catch (e) {}
    },
    async fetchProfile() {
      const user = await profileApi.info()
      this.nickname = user.nickname
      this.avatarUrl = user.avatarUrl
      this.referralCode = user.referralCode
      this.vipType = user.vipType || null
      // Normalize vipEndTime: Jackson may send [2026,6,8,23,59,59]; always store as ISO string
      this.vipEndTime = normalizeDate(user.vipEndTime)
      this.isVip = !!this.vipEndTime && new Date(this.vipEndTime) > new Date()
      // US-5.1 profile fields
      this.gender = user.gender || 0
      this.birthDate = user.birthDate || null
      this.bio = user.bio || ''
      this.city = user.city || ''
      this.tags = user.tags || ''
      this.lookingFor = user.lookingFor || 0
      this.profileComplete = !!user.profileComplete
      this.birthYear = user.birthYear || 0
      this.birthMonth = user.birthMonth || 0
      this.birthDay = user.birthDay || 0
      this.profileIncomplete = !this.profileComplete
    },
    async fetchQuota() {
      try {
        const quota = await profileApi.quota()
        this.usedCharts = quota.dailyChartCount || 0
        this.maxCharts = quota.chartLimit > 0 ? quota.chartLimit : 999
         this.usedChats = quota.dailyChatCount || 0
         this.maxChats = quota.chatLimit > 0 ? quota.chatLimit : 999
         this.shareCount = quota.dailyShareCount || 0
         this.shareLimit = quota.shareLimit > 0 ? quota.shareLimit : 1
         this.usedAcademic = quota.dailyAcademicCount || 0
         this.maxAcademic = quota.academicLimit > 0 ? quota.academicLimit : 1
      } catch (e) { /* ignore */ }
    },
    async fetchCommissionSummary() {
      try {
        const summary = await profileApi.commissionSummary()
        this.totalCommission = summary.totalEarnings || 0
        this.availableCommission = summary.availableBalance || 0
      } catch (e) { /* ignore */ }
    },
    logout() {
      this.token = ''
      this.nickname = ''
      this.avatarUrl = ''
      this.usedCharts = 0
      this.usedChats = 0
      this.usedAcademic = 0
      this.shareCount = 0
      this.shareLimit = 1
      this.maxAcademic = 1
      this.totalCommission = 0
      this.availableCommission = 0
      this.profileIncomplete = false
      this.gender = 0
      this.birthDate = null
      this.bio = ''
      this.city = ''
      this.tags = ''
      this.lookingFor = 0
      this.profileComplete = false
      this.birthYear = 0
      this.birthMonth = 0
      this.birthDay = 0
      uni.removeStorageSync('token')
    }
  }
})