import { ref } from 'vue'
import { defineStore } from 'pinia'
import { useAppStore } from './app'
import { useNotificationStore } from './notification'
import { UserRole } from '@/generated/RpcClient'

interface LoginFormData {
  login: string
  password: string
  rememberMe: boolean
}

export const useAuthStore = defineStore('auth', () => {
  const appStore = useAppStore()
  const loginForm = ref<LoginFormData>({
    login: '',
    password: '',
    rememberMe: false
  })
  const showLoginForm = ref(false)
  const notificationStore = useNotificationStore()
  const showSuccess = notificationStore.showSuccess
  const showError = notificationStore.showError

  const initializeAuth = async () => {
    if (!appStore.api) return

    appStore.setLoading(true)
    try {
      const user = await appStore.api.Profile.get()
      appStore.setCurrentUser(user)

      if (user.role === UserRole.Guest) {
        const authToken = localStorage.getItem('auth-token')
        if (authToken) {
          const success = await appStore.api.Auth.authenticateByToken(authToken)
          if (success) {
            const updatedUser = await appStore.api.Profile.get()
            appStore.setCurrentUser(updatedUser)
          } else {
            localStorage.removeItem('auth-token')
            showLoginForm.value = true
          }
        } else {
          showLoginForm.value = true
        }
      }
    } catch (error) {
      console.error('Auth initialization error:', error)
      showLoginForm.value = true
    } finally {
      appStore.setLoading(false)
    }
  }

  const login = async () => {
    if (!appStore.api) return false

    appStore.setLoading(true)
    try {
      const success = await appStore.api.Auth.authenticateByPassword(
        loginForm.value.login,
        loginForm.value.password
      )

      if (success) {
        const user = await appStore.api.Profile.get()
        appStore.setCurrentUser(user)

        if (loginForm.value.rememberMe) {
          const tokenData = await appStore.api.Auth.generateToken(true)
          localStorage.setItem('auth-token', tokenData.uuid)
        }

        showSuccess('Авторизация успешна!')
        resetLoginForm()
        showLoginForm.value = false
        return true
      } else {
        showError('Неверный логин или пароль')
        return false
      }
    } catch (error) {
      console.error('Login error:', error)
      showError('Ошибка авторизации')
      return false
    } finally {
      appStore.setLoading(false)
    }
  }

  const logout = async () => {
    if (!appStore.api) return

    try {
      await appStore.api.Auth.logout()
      localStorage.removeItem('auth-token')
      appStore.setCurrentUser({ ...appStore.currentUser!, role: UserRole.Guest })
      showLoginForm.value = true
    } catch (error) {
      console.error('Logout error:', error)
    }
  }

  const resetLoginForm = () => {
    loginForm.value = {
      login: '',
      password: '',
      rememberMe: false
    }
  }

  return {
    loginForm,
    showLoginForm,
    initializeAuth,
    login,
    logout,
    resetLoginForm
  }
})