import { defineStore } from 'pinia'

import { fetchAdminMe, loginAdmin, type AdminRole, type AdminUser } from '@/features/admin/api/adminAuth'
import { clearAuthStorage, getAccessToken, getRefreshToken, setAuthTokens } from '@/utils/authStorage'

export const useAdminSessionStore = defineStore('adminSession', {
  state: () => ({
    token: getAccessToken('admin'),
    refreshToken: getRefreshToken('admin'),
    adminId: Number(localStorage.getItem('admin_id') || 0),
    username: localStorage.getItem('admin_username') || '',
    nickname: '',
    supportStatus: (localStorage.getItem('admin_support_status') || 'offline') as 'online' | 'offline' | 'busy',
    roles: [] as AdminRole[],
    permissions: [] as string[],
  }),
  getters: {
    hasPermission: (state) => {
      return (code: string) => state.permissions.includes(code) || state.permissions.includes('*')
    },
    hasRole: (state) => {
      return (code: string) => state.roles.some((r) => r.code === code)
    },
    isSuperAdmin: (state) => {
      return state.roles.some((r) => r.code === 'super_admin') || state.permissions.includes('*')
    },
  },
  actions: {
    async login(username: string, password: string, captchaId: string, captchaCode: string) {
      const result = await loginAdmin(username, password, captchaId, captchaCode)
      this.applySession(result.admin, result.tokens.access_token, result.tokens.refresh_token)
      return result
    },
    async loadMe() {
      const admin = await fetchAdminMe()
      this.applyAdmin(admin)
      return admin
    },
    logout() {
      this.token = ''
      this.refreshToken = ''
      this.adminId = 0
      this.username = ''
      this.nickname = ''
      this.supportStatus = 'offline'
      this.roles = []
      this.permissions = []
      clearAuthStorage('admin')
      localStorage.removeItem('admin_support_status')
    },
    syncFromStorage() {
      this.token = getAccessToken('admin')
      this.refreshToken = getRefreshToken('admin')
      this.adminId = Number(localStorage.getItem('admin_id') || 0)
      this.username = localStorage.getItem('admin_username') || ''
      this.supportStatus = (localStorage.getItem('admin_support_status') || 'offline') as 'online' | 'offline' | 'busy'
    },
    applySession(admin: AdminUser, accessToken: string, refreshToken: string) {
      this.token = accessToken
      this.refreshToken = refreshToken
      setAuthTokens('admin', {
        access_token: accessToken,
        refresh_token: refreshToken,
      })
      this.applyAdmin(admin)
    },
    applyAdmin(admin: AdminUser) {
      this.adminId = admin.id
      this.username = admin.username
      this.nickname = admin.nickname
      this.supportStatus = admin.support_status || 'offline'
      this.roles = admin.roles || []
      this.permissions = admin.permissions || []
      localStorage.setItem('admin_id', String(admin.id))
      localStorage.setItem('admin_username', admin.username)
      localStorage.setItem('admin_support_status', admin.support_status || 'offline')
    },
    setSupportStatus(status: 'online' | 'offline' | 'busy') {
      this.supportStatus = status
      localStorage.setItem('admin_support_status', status)
    },
  },
})