<template>
  <UAuthForm
    :fields="fields"
    :schema="schema"
    :providers="providers"
    title="Create an account"
    :submit="{ label: 'Create account' }"
    @submit="onSubmit"
  >
    <template #description>
      Already have an account? <ULink to="/login" class="text-primary-500 font-medium">Login</ULink>.
    </template>

    <template #footer>
      By signing up, you agree to our <ULink to="/" class="text-primary-500 font-medium">Terms of Service</ULink>.
    </template>
  </UAuthForm>
</template>

<script setup lang="ts">
import * as z from 'zod'
import type { FormSubmitEvent } from '@nuxt/ui'
import { UserRole } from '~/.api-client'

definePageMeta({ layout: 'auth' })

useSeoMeta({ title: 'Sign up' })

const toast = useToast()
const { signUp, deleteUser } = useAuth()
const { createUser } = useUser()

const fields = [
  {
    name: 'name',
    type: 'text' as const,
    label: 'Name',
    placeholder: 'Enter your name'
  },
  {
    name: 'email',
    type: 'text' as const,
    label: 'Email',
    placeholder: 'Enter your email'
  },
  {
    name: 'password',
    label: 'Password',
    type: 'password' as const,
    placeholder: 'Enter your password'
  }
]

const providers = [
  {
    label: 'Google',
    icon: 'i-simple-icons-google',
    onClick: () => {
      toast.add({ title: 'Google', description: 'Login with Google' })
    }
  },
  {
    label: 'GitHub',
    icon: 'i-simple-icons-github',
    onClick: () => {
      toast.add({ title: 'GitHub', description: 'Login with GitHub' })
    }
  }
]

const schema = z.object({
  name: z.string().min(1, 'Name is required'),
  email: z.string().email('Invalid email'),
  password: z.string().min(8, 'Must be at least 8 characters')
})

type Schema = z.output<typeof schema>

function onSubmit(payload: FormSubmitEvent<Schema>) {
  signUp.email(
    {
      email: payload.data.email,
      password: payload.data.password,
      name: payload.data.name
    },
    {
      onRequest: () => {
        // TODO: Show loading spinner
        console.log('Sending register request')
      },
      onResponse: () => {
        // TODO: Hide loading spinner
        console.log('Receiving register response')
      },
      onSuccess: async (ctx) => {
        console.log('Successfully registered!')

        // Create user in backend after successful Better Auth registration
        try {
          console.log('Creating user in backend...', ctx.data)
          await createUser({
            id: ctx.data.user.id,
            name: ctx.data.user.name,
            status: 'ACTIVE',
            role: UserRole.Employee
          })
          console.log('User created in backend successfully')
        } catch (error) {
          console.error('Failed to create user in backend:', error)
          toast.add({
            title: 'Warning',
            description: 'Account created but there was an issue with backend setup. Please contact support.',
            color: 'warning'
          })
        }

        await navigateTo('/')
      },
      onError: async (ctx) => {
        console.log(ctx.error.message)
        await deleteUser({ callbackURL: '/signup' })
        useToast().add({
          title: 'Fehler bei der Registrierung',
          description: ctx.error.message,
          color: 'error'
        })
      }
    }
  )
}
</script>
