import { defineStore } from 'pinia'
import { ref, computed } from 'vue'
import { kappa } from '@/services/kappa-api'
import type { KappaLoginPayload } from '@/types/kappa'

function loadUser(): { name: string; email: string } | null {
  const raw = localStorage.getItem('kappa_user')
  return raw ? JSON.parse(raw) : null
}

function saveUser(user: { name: string; email: string }) {
  localStorage.setItem('kappa_user', JSON.stringify(user))
}

export const useAuthStore = defineStore('auth', () => {
  const token = ref<string | null>(localStorage.getItem('kappa_token'))
  const user = ref<{ name: string; email: string } | null>(loadUser())
  const loading = ref(false)
  const error = ref<string | null>(null)

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

  async function login(payload: KappaLoginPayload) {
    loading.value = true
    error.value = null
    try {
      const data = await kappa.login(payload)
      token.value = kappa['token']
      const name = `${data.user?.first_name || ''} ${data.user?.last_name || ''}`.trim()
      user.value = {
        name: name || 'Ricardo Gonzalez',
        email: payload.email,
      }
      saveUser(user.value)
      return true
    } catch (e: any) {
      error.value = e.message
      return false
    } finally {
      loading.value = false
    }
  }

  function logout() {
    kappa.logout()
    token.value = null
    user.value = null
    localStorage.removeItem('kappa_user')
  }

  return { token, user, loading, error, isAuthenticated, login, logout }
})