cloudflare-domain-manager/apps/web/src/components/login-form.tsx

import { useForm } from 'react-hook-form'
import { zodResolver } from '@hookform/resolvers/zod'
import { useNavigate } from '@tanstack/react-router'
import { CircleAlertIcon } from 'lucide-react'
import { cn } from '@cfdm/ui/lib/utils'
import { api } from '@/lib/api-client'
import { setToken } from '@/lib/auth'
import { loginSchema, type LoginInput } from '@/lib/schemas'
import { Button } from '@cfdm/ui/components/button'
import {
  Card,
  CardContent,
  CardDescription,
  CardHeader,
  CardTitle,
} from '@cfdm/ui/components/card'
import {
  Field,
  FieldGroup,
  FieldLabel,
} from '@cfdm/ui/components/field'
import { Input } from '@cfdm/ui/components/input'
import { Alert, AlertDescription, AlertTitle } from '@cfdm/ui/components/alert'
import { Spinner } from '@cfdm/ui/components/spinner'

type LoginFormProps = React.ComponentProps<'div'>

export function LoginForm({ className, ...props }: LoginFormProps) {
  const navigate = useNavigate()
  const form = useForm<LoginInput>({
    resolver: zodResolver(loginSchema),
    defaultValues: { username: 'admin', password: 'admin' },
  })

  const handleSubmit = form.handleSubmit(async (values) => {
    try {
      const res = await api.post<{ token: string }>('/api/v1/auth/login', values)
      setToken(res.token)
      navigate({ to: '/' })
    } catch (err) {
      form.setError('root', {
        message: err instanceof Error ? err.message : 'Не удалось войти',
      })
    }
  })

  const rootError = form.formState.errors.root?.message
  const isLoading = form.formState.isSubmitting

  return (
    <div className={cn('flex flex-col gap-6', className)} {...props}>
      <Card>
        <CardHeader className="text-center">
          <CardTitle className="text-xl">Вход в систему</CardTitle>
          <CardDescription>
            Введите учётные данные для доступа к панели управления
          </CardDescription>
        </CardHeader>
        <CardContent>
          <form onSubmit={handleSubmit}>
            <FieldGroup>
              <Field>
                <FieldLabel htmlFor="username">Имя пользователя</FieldLabel>
                <Input
                  id="username"
                  placeholder="admin"
                  autoComplete="username"
                  {...form.register('username')}
                  aria-invalid={!!form.formState.errors.username}
                />
              </Field>
              <Field>
                <FieldLabel htmlFor="password">Пароль</FieldLabel>
                <Input
                  id="password"
                  type="password"
                  autoComplete="current-password"
                  {...form.register('password')}
                  aria-invalid={!!form.formState.errors.password}
                />
              </Field>
              {rootError && (
                <Alert variant="destructive">
                  <CircleAlertIcon />
                  <AlertTitle>Ошибка входа</AlertTitle>
                  <AlertDescription>{rootError}</AlertDescription>
                </Alert>
              )}
              <Field>
                <Button type="submit" className="w-full" disabled={isLoading}>
                  {isLoading && <Spinner data-icon="inline-start" />}
                  {isLoading ? 'Вход…' : 'Войти'}
                </Button>
              </Field>
            </FieldGroup>
          </form>
        </CardContent>
      </Card>
    </div>
  )
}