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import React, { useState } from 'react';
import { useForm } from 'react-hook-form';
import { zodResolver } from '@hookform/resolvers/zod';
import { z } from 'zod';
import { Card, CardContent, CardDescription, CardHeader, CardTitle } from '@/components/ui/card';
import { Button } from '@/components/ui/button';
import { TextField, CheckboxField } from '@/components/forms/FormField';
import { FormValidationSummary, PasswordStrength } from '@/components/forms/FormValidation';
import { FormFeedback } from '@/components/feedback/UserFeedback';
import { LoadingOverlay } from '@/components/ui/loading';
import { useFormSubmission } from '@/hooks/useAsyncOperation';
import { useErrorHandler } from '@/hooks/useErrorHandler';
import { authService } from '@/services';
import { apiService } from '@/services/api';
import type { LoginResponse } from '@/types/auth';
import { LogIn } from 'lucide-react';
import { useTranslation } from 'react-i18next';
// Login form schema will be created inside the component to allow translations
type LoginFormData = {
username: string;
password: string;
rememberMe: boolean;
};
interface EnhancedLoginFormProps {
onSuccess?: () => void;
className?: string;
showPasswordStrength?: boolean;
allowRememberMe?: boolean;
}
export default function EnhancedLoginForm({
onSuccess,
className,
showPasswordStrength = false,
allowRememberMe = true}: EnhancedLoginFormProps) {
const { handleApiError } = useErrorHandler();
const { t } = useTranslation();
const loginSchema = z.object({
username: z
.string()
.min(1, t('validation.usernameRequired', {}))
.max(255, t('validation.usernameTooLong', {})),
password: z
.string()
.min(1, t('validation.passwordRequired', {}))
.min(8, t('validation.passwordMinLength', {}))
.max(128, t('validation.passwordTooLong', {})),
rememberMe: z.boolean()});
const form = useForm<LoginFormData>({
resolver: zodResolver(loginSchema),
defaultValues: {
username: '',
password: '',
rememberMe: false},
mode: 'onChange'});
// Enhanced form submission with error handling
const {
submit,
isLoading,
error: submitError,
isSuccess} = useFormSubmission<LoginResponse, LoginFormData>(
async (data: LoginFormData) => {
const result = await authService.login({
username: data.username,
password: data.password});
if (result.success) {
return result.data;
}
throw new Error(result.error.details);
},
{
successMessage: t('login.loginSuccess'),
onSuccess: (data: LoginResponse) => {
// Store auth data using the correct centralized keys
// SECURITY FIX: was using 'auth_token' but the rest of the app reads STORAGE_KEYS.AUTH_TOKEN ('iptv_auth_token')
apiService.setAuthToken(data.token);
localStorage.setItem('iptv_user_data', JSON.stringify(data.user));
// Call success callback
onSuccess?.();
},
onError: (error) => {
handleApiError(error, 'Login');
}}
);
const handleSubmit = (data: LoginFormData) => {
submit(data);
};
const { errors, isValid, isDirty } = form.formState;
const watchedPassword = form.watch('password');
return (
<Card className={className}>
<CardHeader className="space-y-1">
<CardTitle className="text-2xl flex items-center gap-2">
<LogIn className="h-6 w-6" />
{t('login.signIn')}
</CardTitle>
<CardDescription>
{t('login.enterCredentials')}
</CardDescription>
</CardHeader>
<CardContent>
<LoadingOverlay isLoading={isLoading} message={t('login.authenticating')}>
<form onSubmit={form.handleSubmit(handleSubmit)} className="space-y-6">
{/* Form Validation Summary */}
<FormValidationSummary
errors={errors}
isValid={isValid}
isDirty={isDirty}
showProgress={true}
totalFields={2} // username and password
/>
{/* Username Field */}
<TextField
control={form.control}
name="username"
label={t('login.username')}
type="text"
placeholder={t('login.usernamePlaceholder')}
required
autoComplete="username"
description={t('login.usernameDescription')}
disabled={isLoading}
/>
{/* Password Field */}
<div className="space-y-3">
<TextField
control={form.control}
name="password"
label={t('login.password')}
type="password"
placeholder={t('login.passwordPlaceholder')}
required
autoComplete="current-password"
showPasswordToggle={true}
disabled={isLoading}
/>
{/* Password Strength Indicator (optional) */}
{showPasswordStrength && watchedPassword && (
<PasswordStrength
password={watchedPassword}
requirements={{
minLength: 8,
requireUppercase: false, // More lenient for login
requireLowercase: false,
requireNumbers: false,
requireSpecialChars: false}}
/>
)}
</div>
{/* Remember Me Checkbox */}
{allowRememberMe && (
<CheckboxField
control={form.control}
name="rememberMe"
checkboxLabel={t('login.rememberMeLabel')}
description={t('login.rememberMeDescription')}
disabled={isLoading}
/>
)}
{/* Form Feedback */}
<FormFeedback
isSubmitting={isLoading}
isValid={isValid}
isDirty={isDirty}
submitError={submitError || undefined}
submitSuccess={isSuccess ? t('login.loginSuccess') : undefined}
/>
{/* Submit Button */}
<Button
type="submit"
className="w-full"
disabled={isLoading || !isValid}
>
{isLoading ? (
<>
<div className="animate-spin rounded-full h-4 w-4 border-b-2 border-white mr-2" />
{t('login.authenticating')}
</>
) : (
<>
<LogIn className="h-4 w-4 mr-2" />
{t('login.signIn')}
</>
)}
</Button>
{/* Additional Actions */}
<div className="text-center space-y-2">
<Button
type="button"
variant="link"
className="text-sm"
disabled={isLoading}
>
{t('login.forgotPassword')}
</Button>
<div className="text-sm text-gray-600">
{t('login.noAccountPrompt')}{' '}
<Button
type="button"
variant="link"
className="p-0 h-auto text-sm"
disabled={isLoading}
>
{t('login.contactAdmin')}
</Button>
</div>
</div>
</form>
</LoadingOverlay>
</CardContent>
</Card>
);
}
export function LoginFormExamples() {
const { t } = useTranslation();
return (
<div className="space-y-8 max-w-md mx-auto p-4">
<h2 className="text-2xl font-bold text-center">{t('login.examples.title', {})}</h2>
<div>
<h3 className="text-lg font-medium mb-4">{t('login.examples.basic', {})}</h3>
<EnhancedLoginForm />
</div>
<div>
<h3 className="text-lg font-medium mb-4">{t('login.examples.withStrength', {})}</h3>
<EnhancedLoginForm
showPasswordStrength={true}
onSuccess={() => console.log(t('login.loginSuccess'))}
/>
</div>
<div>
<h3 className="text-lg font-medium mb-4">{t('login.examples.minimal', {})}</h3>
<EnhancedLoginForm
allowRememberMe={false}
showPasswordStrength={false}
/>
</div>
</div>
);
}
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