SAVE

package.json

@@ -13,11 +13,14 @@
     "@types/bcryptjs": "^3.0.0",
     "@types/jsonwebtoken": "^9.0.9",
     "bcryptjs": "^3.0.2",
+    "i18next": "^25.1.2",
+    "i18next-resources-to-backend": "^1.2.1",
     "jsonwebtoken": "^9.0.2",
     "mongoose": "^8.14.2",
     "next": "15.3.2",
     "react": "^19.0.0",
-    "react-dom": "^19.0.0"
+    "react-dom": "^19.0.0",
+    "react-i18next": "^15.5.1"
   },
   "devDependencies": {
     "@eslint/eslintrc": "^3",

public/file.svg

@@ -1 +0,0 @@
-<svg fill="none" viewBox="0 0 16 16" xmlns="http://www.w3.org/2000/svg"><path d="M14.5 13.5V5.41a1 1 0 0 0-.3-.7L9.8.29A1 1 0 0 0 9.08 0H1.5v13.5A2.5 2.5 0 0 0 4 16h8a2.5 2.5 0 0 0 2.5-2.5m-1.5 0v-7H8v-5H3v12a1 1 0 0 0 1 1h8a1 1 0 0 0 1-1M9.5 5V2.12L12.38 5zM5.13 5h-.62v1.25h2.12V5zm-.62 3h7.12v1.25H4.5zm.62 3h-.62v1.25h7.12V11z" clip-rule="evenodd" fill="#666" fill-rule="evenodd"/></svg>

public/globe.svg

@@ -1 +0,0 @@
-<svg fill="none" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16"><g clip-path="url(#a)"><path fill-rule="evenodd" clip-rule="evenodd" d="M10.27 14.1a6.5 6.5 0 0 0 3.67-3.45q-1.24.21-2.7.34-.31 1.83-.97 3.1M8 16A8 8 0 1 0 8 0a8 8 0 0 0 0 16m.48-1.52a7 7 0 0 1-.96 0H7.5a4 4 0 0 1-.84-1.32q-.38-.89-.63-2.08a40 40 0 0 0 3.92 0q-.25 1.2-.63 2.08a4 4 0 0 1-.84 1.31zm2.94-4.76q1.66-.15 2.95-.43a7 7 0 0 0 0-2.58q-1.3-.27-2.95-.43a18 18 0 0 1 0 3.44m-1.27-3.54a17 17 0 0 1 0 3.64 39 39 0 0 1-4.3 0 17 17 0 0 1 0-3.64 39 39 0 0 1 4.3 0m1.1-1.17q1.45.13 2.69.34a6.5 6.5 0 0 0-3.67-3.44q.65 1.26.98 3.1M8.48 1.5l.01.02q.41.37.84 1.31.38.89.63 2.08a40 40 0 0 0-3.92 0q.25-1.2.63-2.08a4 4 0 0 1 .85-1.32 7 7 0 0 1 .96 0m-2.75.4a6.5 6.5 0 0 0-3.67 3.44 29 29 0 0 1 2.7-.34q.31-1.83.97-3.1M4.58 6.28q-1.66.16-2.95.43a7 7 0 0 0 0 2.58q1.3.27 2.95.43a18 18 0 0 1 0-3.44m.17 4.71q-1.45-.12-2.69-.34a6.5 6.5 0 0 0 3.67 3.44q-.65-1.27-.98-3.1" fill="#666"/></g><defs><clipPath id="a"><path fill="#fff" d="M0 0h16v16H0z"/></clipPath></defs></svg>

public/locales/en/common.json

@@ -0,0 +1,54 @@
+{
+  "header": {
+    "login": "Log in",
+    "register": "Sign up"
+  },
+  "home": {
+    "title": "Draw what you imagine",
+    "description": "A simple and powerful app to express your creativity through digital drawings.",
+    "startFree": "Start for free",
+    "learnMore": "Learn more"
+  },
+  "footer": {
+    "copyright": "© 2023 Draw. All rights reserved."
+  },
+  "auth": {
+    "login": {
+      "title": "Log in",
+      "subtitle": "Access your account to start drawing",
+      "email": "Email address",
+      "password": "Password",
+      "forgotPassword": "Forgot your password?",
+      "rememberMe": "Remember me",
+      "button": "Log in",
+      "buttonLoading": "Logging in...",
+      "noAccount": "Don't have an account?",
+      "signUp": "Sign up"
+    },
+    "register": {
+      "title": "Create account",
+      "subtitle": "Sign up to start drawing",
+      "username": "Username",
+      "email": "Email address",
+      "password": "Password",
+      "confirmPassword": "Confirm password",
+      "minChars": "Minimum 6 characters",
+      "button": "Create account",
+      "buttonLoading": "Creating account...",
+      "haveAccount": "Already have an account?",
+      "login": "Log in"
+    },
+    "errors": {
+      "passwordMatch": "Passwords do not match",
+      "passwordLength": "Password must be at least 6 characters long",
+      "registerError": "Error registering user",
+      "loginError": "Error logging in",
+      "unknownError": "An unknown error has occurred"
+    }
+  },
+  "language": {
+    "select": "Select language",
+    "es": "Spanish",
+    "en": "English"
+  }
+} 

public/locales/es/common.json

@@ -0,0 +1,54 @@
+{
+  "header": {
+    "login": "Iniciar sesión",
+    "register": "Registrarse"
+  },
+  "home": {
+    "title": "Dibuja lo que imagines",
+    "description": "Una aplicación simple y poderosa para expresar tu creatividad mediante dibujos digitales.",
+    "startFree": "Comenzar gratis",
+    "learnMore": "Conocer más"
+  },
+  "footer": {
+    "copyright": "© 2023 Draw. Todos los derechos reservados."
+  },
+  "auth": {
+    "login": {
+      "title": "Iniciar sesión",
+      "subtitle": "Accede a tu cuenta para comenzar a dibujar",
+      "email": "Correo electrónico",
+      "password": "Contraseña",
+      "forgotPassword": "¿Olvidaste tu contraseña?",
+      "rememberMe": "Recordarme",
+      "button": "Iniciar sesión",
+      "buttonLoading": "Iniciando sesión...",
+      "noAccount": "¿No tienes una cuenta?",
+      "signUp": "Regístrate"
+    },
+    "register": {
+      "title": "Crear cuenta",
+      "subtitle": "Regístrate para comenzar a dibujar",
+      "username": "Nombre de usuario",
+      "email": "Correo electrónico",
+      "password": "Contraseña",
+      "confirmPassword": "Confirmar contraseña",
+      "minChars": "Mínimo 6 caracteres",
+      "button": "Crear cuenta",
+      "buttonLoading": "Creando cuenta...",
+      "haveAccount": "¿Ya tienes una cuenta?",
+      "login": "Inicia sesión"
+    },
+    "errors": {
+      "passwordMatch": "Las contraseñas no coinciden",
+      "passwordLength": "La contraseña debe tener al menos 6 caracteres",
+      "registerError": "Error al registrar usuario",
+      "loginError": "Error al iniciar sesión",
+      "unknownError": "Ha ocurrido un error desconocido"
+    }
+  },
+  "language": {
+    "select": "Seleccionar idioma",
+    "es": "Español",
+    "en": "Inglés"
+  }
+} 

public/next.svg

@@ -1 +0,0 @@
-<svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 394 80"><path fill="#000" d="M262 0h68.5v12.7h-27.2v66.6h-13.6V12.7H262V0ZM149 0v12.7H94v20.4h44.3v12.6H94v21h55v12.6H80.5V0h68.7zm34.3 0h-17.8l63.8 79.4h17.9l-32-39.7 32-39.6h-17.9l-23 28.6-23-28.6zm18.3 56.7-9-11-27.1 33.7h17.8l18.3-22.7z"/><path fill="#000" d="M81 79.3 17 0H0v79.3h13.6V17l50.2 62.3H81Zm252.6-.4c-1 0-1.8-.4-2.5-1s-1.1-1.6-1.1-2.6.3-1.8 1-2.5 1.6-1 2.6-1 1.8.3 2.5 1a3.4 3.4 0 0 1 .6 4.3 3.7 3.7 0 0 1-3 1.8zm23.2-33.5h6v23.3c0 2.1-.4 4-1.3 5.5a9.1 9.1 0 0 1-3.8 3.5c-1.6.8-3.5 1.3-5.7 1.3-2 0-3.7-.4-5.3-1s-2.8-1.8-3.7-3.2c-.9-1.3-1.4-3-1.4-5h6c.1.8.3 1.6.7 2.2s1 1.2 1.6 1.5c.7.4 1.5.5 2.4.5 1 0 1.8-.2 2.4-.6a4 4 0 0 0 1.6-1.8c.3-.8.5-1.8.5-3V45.5zm30.9 9.1a4.4 4.4 0 0 0-2-3.3 7.5 7.5 0 0 0-4.3-1.1c-1.3 0-2.4.2-3.3.5-.9.4-1.6 1-2 1.6a3.5 3.5 0 0 0-.3 4c.3.5.7.9 1.3 1.2l1.8 1 2 .5 3.2.8c1.3.3 2.5.7 3.7 1.2a13 13 0 0 1 3.2 1.8 8.1 8.1 0 0 1 3 6.5c0 2-.5 3.7-1.5 5.1a10 10 0 0 1-4.4 3.5c-1.8.8-4.1 1.2-6.8 1.2-2.6 0-4.9-.4-6.8-1.2-2-.8-3.4-2-4.5-3.5a10 10 0 0 1-1.7-5.6h6a5 5 0 0 0 3.5 4.6c1 .4 2.2.6 3.4.6 1.3 0 2.5-.2 3.5-.6 1-.4 1.8-1 2.4-1.7a4 4 0 0 0 .8-2.4c0-.9-.2-1.6-.7-2.2a11 11 0 0 0-2.1-1.4l-3.2-1-3.8-1c-2.8-.7-5-1.7-6.6-3.2a7.2 7.2 0 0 1-2.4-5.7 8 8 0 0 1 1.7-5 10 10 0 0 1 4.3-3.5c2-.8 4-1.2 6.4-1.2 2.3 0 4.4.4 6.2 1.2 1.8.8 3.2 2 4.3 3.4 1 1.4 1.5 3 1.5 5h-5.8z"/></svg>

public/vercel.svg

@@ -1 +0,0 @@
-<svg fill="none" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1155 1000"><path d="m577.3 0 577.4 1000H0z" fill="#fff"/></svg>

public/window.svg

@@ -1 +0,0 @@
-<svg fill="none" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16"><path fill-rule="evenodd" clip-rule="evenodd" d="M1.5 2.5h13v10a1 1 0 0 1-1 1h-11a1 1 0 0 1-1-1zM0 1h16v11.5a2.5 2.5 0 0 1-2.5 2.5h-11A2.5 2.5 0 0 1 0 12.5zm3.75 4.5a.75.75 0 1 0 0-1.5.75.75 0 0 0 0 1.5M7 4.75a.75.75 0 1 1-1.5 0 .75.75 0 0 1 1.5 0m1.75.75a.75.75 0 1 0 0-1.5.75.75 0 0 0 0 1.5" fill="#666"/></svg>

src/app/api/auth/login/route.ts

@@ -5,15 +5,12 @@ export async function POST(request: NextRequest) {
   try {
     const body = await request.json();
 
-    // Llamar a la función loginUser del controlador
     const { token, user, error, status } = await loginUser(body);
 
-    // Si hay un error, devolverlo con el status correspondiente
     if (error) {
       return NextResponse.json({ error }, { status: status || 500 });
     }
 
-    // Devolver la respuesta con el token y el usuario
     return NextResponse.json({ token, user }, { status: 200 });
   } catch (error) {
     console.error("Error en el login:", error);

src/app/api/auth/register/route.ts

@@ -5,15 +5,12 @@ export async function POST(request: NextRequest) {
   try {
     const body = await request.json();
 
-    // Llamar a la función register del controlador
     const { token, user, error, status } = await register(body);
 
-    // Si hay un error, devolverlo con el status correspondiente
     if (error) {
       return NextResponse.json({ error }, { status: status || 500 });
     }
 
-    // Devolver la respuesta con el token y el usuario
     return NextResponse.json({ token, user }, { status: 201 });
   } catch (error) {
     console.error("Error en el registro:", error);

src/app/auth/login/page.tsx

@@ -3,9 +3,12 @@
 import { useState } from 'react';
 import { useRouter } from 'next/navigation';
 import Link from 'next/link';
+import { useI18n } from '@/lib/i18n/useI18n';
+import { login } from '@/lib/api';
 
 export default function Login() {
   const router = useRouter();
+  const { t, isLoading } = useI18n();
   const [formData, setFormData] = useState({
     email: '',
     password: ''
@@ -24,44 +27,40 @@ export default function Login() {
 
     try {
       setLoading(true);
-      const response = await fetch('/api/auth/login', {
+      const result = await login({
-        method: 'POST',
-        headers: {
-          'Content-Type': 'application/json',
-        },
-        body: JSON.stringify({
         email: formData.email,
         password: formData.password,
-        }),
       });
 
-      const data = await response.json();
+      if (result.error) {
-
+        throw new Error(result.error || t('auth.errors.loginError'));
-      if (!response.ok) {
-        throw new Error(data.error || 'Error al iniciar sesión');
       }
 
-      localStorage.setItem('token', data.token);
+      if (result.data?.token) {
+        localStorage.setItem('token', result.data.token);
         router.push('/dashboard');
+      }
     } catch (err: unknown) {
       if (err instanceof Error) {
         setError(err.message);
       } else {
-        setError('Ha ocurrido un error desconocido');
+        setError(t('auth.errors.unknownError') || '');
       }
     } finally {
       setLoading(false);
     }
   };
 
+  if (isLoading) return null;
+
   return (
     <div className="min-h-screen bg-gray-100 flex items-center justify-center p-6">
       <div className="max-w-md w-full mx-auto">
         <div className="bg-white shadow-sm rounded-lg overflow-hidden">
           <div className="px-8 pt-8 pb-6 border-b border-gray-200">
-            <h2 className="text-2xl font-normal text-gray-800 mb-2">Iniciar sesión</h2>
+            <h2 className="text-2xl font-normal text-gray-800 mb-2">{t('auth.login.title')}</h2>
             <p className="text-sm text-gray-500">
-              Accede a tu cuenta para comenzar a dibujar
+              {t('auth.login.subtitle')}
             </p>
           </div>
           
@@ -75,7 +74,7 @@ export default function Login() {
             <form onSubmit={handleSubmit} className="space-y-5">
               <div>
                 <label htmlFor="email" className="block text-sm font-medium text-gray-700 mb-1">
-                  Correo electrónico
+                  {t('auth.login.email')}
                 </label>
                 <input
                   id="email"
@@ -93,11 +92,11 @@ export default function Login() {
               <div>
                 <div className="flex items-center justify-between">
                   <label htmlFor="password" className="block text-sm font-medium text-gray-700 mb-1">
-                    Contraseña
+                    {t('auth.login.password')}
                   </label>
                   <div className="text-xs">
                     <a href="#" className="text-gray-500 hover:text-gray-700">
-                      ¿Olvidaste tu contraseña?
+                      {t('auth.login.forgotPassword')}
                     </a>
                   </div>
                 </div>
@@ -122,7 +121,7 @@ export default function Login() {
                   className="h-4 w-4 text-blue-600 focus:ring-0 border-gray-300 rounded"
                 />
                 <label htmlFor="remember-me" className="ml-2 block text-sm text-gray-600">
-                  Recordarme
+                  {t('auth.login.rememberMe')}
                 </label>
               </div>
               
@@ -138,9 +137,9 @@ export default function Login() {
                         <circle className="opacity-25" cx="12" cy="12" r="10" stroke="currentColor" strokeWidth="4"></circle>
                         <path className="opacity-75" fill="currentColor" d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4zm2 5.291A7.962 7.962 0 014 12H0c0 3.042 1.135 5.824 3 7.938l3-2.647z"></path>
                       </svg>
-                      Iniciando sesión...
+                      {t('auth.login.buttonLoading')}
                     </>
-                  ) : 'Iniciar sesión'}
+                  ) : t('auth.login.button')}
                 </button>
               </div>
             </form>
@@ -148,9 +147,9 @@ export default function Login() {
           
           <div className="px-8 py-4 bg-gray-50 border-t border-gray-200">
             <p className="text-sm text-center text-gray-600">
-              ¿No tienes una cuenta?{' '}
+              {t('auth.login.noAccount')}{' '}
               <Link href="/auth/register" className="text-blue-600 hover:text-blue-500 font-medium">
-                Regístrate
+                {t('auth.login.signUp')}
               </Link>
             </p>
           </div>

src/app/auth/register/page.tsx

@@ -3,9 +3,12 @@
 import { useState } from 'react';
 import { useRouter } from 'next/navigation';
 import Link from 'next/link';
+import { useI18n } from '@/lib/i18n/useI18n';
+import { register } from '@/lib/api';
 
 export default function Register() {
   const router = useRouter();
+  const { t, isLoading } = useI18n();
   const [formData, setFormData] = useState({
     username: '',
     email: '',
@@ -25,56 +28,52 @@ export default function Register() {
     setError('');
     
     if (formData.password !== formData.confirmPassword) {
-      setError('Las contraseñas no coinciden');
+      setError(t('auth.errors.passwordMatch') || '');
       return;
     }
     
     if (formData.password.length < 6) {
-      setError('La contraseña debe tener al menos 6 caracteres');
+      setError(t('auth.errors.passwordLength') || '');
       return;
     }
 
     try {
       setLoading(true);
-      const response = await fetch('/api/auth/register', {
+      const result = await register({
-        method: 'POST',
-        headers: {
-          'Content-Type': 'application/json',
-        },
-        body: JSON.stringify({
         username: formData.username,
         email: formData.email,
         password: formData.password,
-        }),
       });
 
-      const data = await response.json();
+      if (result.error) {
-
+        throw new Error(result.error || t('auth.errors.registerError'));
-      if (!response.ok) {
-        throw new Error(data.error || 'Error al registrar usuario');
       }
 
-      localStorage.setItem('token', data.token);
+      if (result.data?.token) {
+        localStorage.setItem('token', result.data.token);
         router.push('/dashboard');
+      }
     } catch (err: unknown) {
       if (err instanceof Error) {
         setError(err.message);
       } else {
-        setError('Ha ocurrido un error desconocido');
+        setError(t('auth.errors.unknownError') || '');
       }
     } finally {
       setLoading(false);
     }
   };
 
+  if (isLoading) return null;
+
   return (
     <div className="min-h-screen bg-gray-100 flex items-center justify-center p-6">
       <div className="max-w-md w-full mx-auto">
         <div className="bg-white shadow-sm rounded-lg overflow-hidden">
           <div className="px-8 pt-8 pb-6 border-b border-gray-200">
-            <h2 className="text-2xl font-normal text-gray-800 mb-2">Crear cuenta</h2>
+            <h2 className="text-2xl font-normal text-gray-800 mb-2">{t('auth.register.title')}</h2>
             <p className="text-sm text-gray-500">
-              Regístrate para comenzar a dibujar
+              {t('auth.register.subtitle')}
             </p>
           </div>
           
@@ -88,7 +87,7 @@ export default function Register() {
             <form onSubmit={handleSubmit} className="space-y-4">
               <div>
                 <label htmlFor="username" className="block text-sm font-medium text-gray-700 mb-1">
-                  Nombre de usuario
+                  {t('auth.register.username')}
                 </label>
                 <input
                   id="username"
@@ -105,7 +104,7 @@ export default function Register() {
               
               <div>
                 <label htmlFor="email" className="block text-sm font-medium text-gray-700 mb-1">
-                  Correo electrónico
+                  {t('auth.register.email')}
                 </label>
                 <input
                   id="email"
@@ -122,7 +121,7 @@ export default function Register() {
               
               <div>
                 <label htmlFor="password" className="block text-sm font-medium text-gray-700 mb-1">
-                  Contraseña
+                  {t('auth.register.password')}
                 </label>
                 <input
                   id="password"
@@ -135,12 +134,12 @@ export default function Register() {
                   className="w-full px-3 py-2 border border-gray-300 rounded-md focus:outline-none focus:ring-1 focus:ring-gray-400 focus:border-gray-400 text-sm"
                   placeholder="••••••••"
                 />
-                <p className="mt-1 text-xs text-gray-500">Mínimo 6 caracteres</p>
+                <p className="mt-1 text-xs text-gray-500">{t('auth.register.minChars')}</p>
               </div>
               
               <div>
                 <label htmlFor="confirmPassword" className="block text-sm font-medium text-gray-700 mb-1">
-                  Confirmar contraseña
+                  {t('auth.register.confirmPassword')}
                 </label>
                 <input
                   id="confirmPassword"
@@ -167,9 +166,9 @@ export default function Register() {
                         <circle className="opacity-25" cx="12" cy="12" r="10" stroke="currentColor" strokeWidth="4"></circle>
                         <path className="opacity-75" fill="currentColor" d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4zm2 5.291A7.962 7.962 0 014 12H0c0 3.042 1.135 5.824 3 7.938l3-2.647z"></path>
                       </svg>
-                      Creando cuenta...
+                      {t('auth.register.buttonLoading')}
                     </>
-                  ) : 'Crear cuenta'}
+                  ) : t('auth.register.button')}
                 </button>
               </div>
             </form>
@@ -177,9 +176,9 @@ export default function Register() {
           
           <div className="px-8 py-4 bg-gray-50 border-t border-gray-200">
             <p className="text-sm text-center text-gray-600">
-              ¿Ya tienes una cuenta?{' '}
+              {t('auth.register.haveAccount')}{' '}
               <Link href="/auth/login" className="text-blue-600 hover:text-blue-500 font-medium">
-                Inicia sesión
+                {t('auth.register.login')}
               </Link>
             </p>
           </div>

src/app/layout.tsx

@@ -1,6 +1,9 @@
-import type { Metadata } from "next";
+'use client';
+
 import { Geist, Geist_Mono } from "next/font/google";
 import "./globals.css";
+import { LanguageProvider } from "@/lib/i18n/language-context";
+import { useEffect, useState } from "react";
 
 const geistSans = Geist({
   variable: "--font-geist-sans",
@@ -12,20 +15,29 @@ const geistMono = Geist_Mono({
   subsets: ["latin"],
 });
 
-export const metadata: Metadata = {
-  title: "Excalidraw App",
-  description: "Una aplicación de dibujo con Excalidraw",
-};
-
 export default function RootLayout({
   children,
 }: Readonly<{
   children: React.ReactNode;
 }>) {
+  const [language, setLanguage] = useState<string>('es');
+
+  useEffect(() => {
+    const storedLanguage = localStorage.getItem('locale');
+    if (storedLanguage) {
+      setLanguage(storedLanguage);
+    } else {
+      const browserLang = navigator.language.split('-')[0];
+      setLanguage(['es', 'en'].includes(browserLang) ? browserLang : 'en');
+    }
+  }, []);
+
   return (
-    <html lang="en">
+    <html lang={language}>
       <body className={`${geistSans.variable} ${geistMono.variable}`}>
+        <LanguageProvider>
           {children}
+        </LanguageProvider>
       </body>
     </html>
   );

src/app/page.tsx

@@ -1,23 +1,32 @@
+'use client';
+
 import Link from 'next/link';
+import LanguageSwitcher from '@/components/LanguageSwitcher';
+import { useI18n } from '@/lib/i18n/useI18n';
 
 export default function Home() {
+  const { t, isLoading } = useI18n();
+
+  if (isLoading) return null;
+
   return (
     <div className="min-h-screen bg-gray-100 flex flex-col">
       <header className="py-6 bg-white shadow-sm">
         <div className="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8 flex justify-between items-center">
-          <div className="font-medium text-lg text-gray-900">DrawApp</div>
+          <div className="font-medium text-lg text-gray-900">Draw</div>
-          <nav>
+          <nav className="flex items-center space-x-4">
+            <LanguageSwitcher />
             <Link 
               href="/auth/login" 
-              className="text-sm text-gray-700 hover:text-gray-900 mr-4"
+              className="text-sm text-gray-700 hover:text-gray-900"
             >
-              Iniciar sesión
+              {t('header.login')}
             </Link>
             <Link 
               href="/auth/register" 
               className="text-sm bg-blue-600 text-white py-2 px-3 rounded-md hover:bg-blue-700"
             >
-              Registrarse
+              {t('header.register')}
             </Link>
           </nav>
         </div>
@@ -27,23 +36,23 @@ export default function Home() {
         <div className="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8 py-12 flex flex-col lg:flex-row items-center">
           <div className="lg:w-1/2 lg:pr-12 mb-10 lg:mb-0">
             <h1 className="text-4xl font-bold text-gray-900 mb-6">
-              Dibuja lo que imagines
+              {t('home.title')}
             </h1>
             <p className="text-xl text-gray-600 mb-8">
-              Una aplicación simple y poderosa para expresar tu creatividad mediante dibujos digitales.
+              {t('home.description')}
             </p>
             <div className="flex flex-col sm:flex-row space-y-3 sm:space-y-0 sm:space-x-4">
               <Link 
                 href="/auth/register" 
                 className="inline-flex justify-center items-center px-6 py-3 border border-transparent rounded-md shadow-sm text-base font-medium text-white bg-blue-600 hover:bg-blue-700 focus:outline-none"
               >
-                Comenzar gratis
+                {t('home.startFree')}
               </Link>
               <Link 
                 href="/about" 
                 className="inline-flex justify-center items-center px-6 py-3 border border-gray-300 rounded-md shadow-sm text-base font-medium text-gray-700 bg-white hover:bg-gray-50 focus:outline-none"
               >
-                Conocer más
+                {t('home.learnMore')}
               </Link>
             </div>
           </div>
@@ -60,7 +69,7 @@ export default function Home() {
       <footer className="bg-white border-t border-gray-200 py-8">
         <div className="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8">
           <p className="text-sm text-gray-500 text-center">
-            © 2023 DrawApp. Todos los derechos reservados.
+            {t('footer.copyright')}
           </p>
         </div>
       </footer>

src/components/LanguageSwitcher.tsx

@@ -0,0 +1,64 @@
+'use client';
+
+import { useLanguage } from '@/lib/i18n/language-context';
+import { locales } from '@/lib/i18n/i18n-config';
+import { useState, useRef, useEffect } from 'react';
+import { useI18n } from '@/lib/i18n/useI18n';
+
+export default function LanguageSwitcher() {
+  const { locale, setLocale } = useLanguage();
+  const { t, isLoading } = useI18n();
+  const [isOpen, setIsOpen] = useState(false);
+  const dropdownRef = useRef<HTMLDivElement>(null);
+
+  useEffect(() => {
+    const handleClickOutside = (event: MouseEvent) => {
+      if (dropdownRef.current && !dropdownRef.current.contains(event.target as Node)) {
+        setIsOpen(false);
+      }
+    };
+
+    document.addEventListener('mousedown', handleClickOutside);
+    return () => {
+      document.removeEventListener('mousedown', handleClickOutside);
+    };
+  }, []);
+
+  if (isLoading) return null;
+
+  return (
+    <div className="relative" ref={dropdownRef}>
+      <button
+        onClick={() => setIsOpen(!isOpen)}
+        className="flex items-center gap-1.5 text-sm text-gray-600 hover:text-gray-900"
+      >
+        <span className="uppercase">{locale}</span>
+        <svg className="w-4 h-4" fill="none" viewBox="0 0 24 24" stroke="currentColor">
+          <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M19 9l-7 7-7-7" />
+        </svg>
+      </button>
+
+      {isOpen && (
+        <div className="absolute right-0 mt-2 w-40 bg-white rounded-md shadow-lg py-1 z-10">
+          <div className="px-3 py-2 text-xs font-medium text-gray-500">
+            {t('language.select')}
+          </div>
+          {locales.map((lang) => (
+            <button
+              key={lang}
+              onClick={() => {
+                setLocale(lang);
+                setIsOpen(false);
+              }}
+              className={`block w-full text-left px-4 py-2 text-sm hover:bg-gray-100 ${
+                locale === lang ? 'text-blue-600 font-medium' : 'text-gray-700'
+              }`}
+            >
+              {t(`language.${lang}`)}
+            </button>
+          ))}
+        </div>
+      )}
+    </div>
+  );
+} 

src/controllers/authController.ts

@@ -1,4 +1,3 @@
-import { NextApiRequest, NextApiResponse } from "next";
 import bcrypt from "bcryptjs";
 import jwt from "jsonwebtoken";
 import User from "../models/User";
@@ -46,38 +45,6 @@ export async function register(data: {
   }
 }
 
-export async function login(req: NextApiRequest, res: NextApiResponse) {
-  try {
-    await dbConnect();
-    const { email, password } = req.body;
-
-    const user = await User.findOne({ email });
-    if (!user) {
-      return res.status(401).json({ error: "Invalid credentials" });
-    }
-
-    const isValidPassword = await bcrypt.compare(password, user.password);
-    if (!isValidPassword) {
-      return res.status(401).json({ error: "Invalid credentials" });
-    }
-
-    const token = jwt.sign({ userId: user._id }, JWT_SECRET, {
-      expiresIn: "7d",
-    });
-
-    return res.status(200).json({
-      token,
-      user: {
-        id: user._id,
-        username: user.username,
-        email: user.email,
-      },
-    });
-  } catch {
-    return res.status(500).json({ error: "Internal server error" });
-  }
-}
-
 export async function loginUser(data: { email: string; password: string }) {
   try {
     await dbConnect();

src/lib/api.ts

@@ -0,0 +1,101 @@
+interface LoginRequest {
+  email: string;
+  password: string;
+}
+
+interface RegisterRequest {
+  username: string;
+  email: string;
+  password: string;
+}
+
+interface ApiResponse<T> {
+  data?: T;
+  error?: string;
+  status: number;
+}
+
+interface UserProfile {
+  id: string;
+  username: string;
+  email: string;
+}
+
+interface AuthResponse {
+  token: string;
+  user: UserProfile;
+}
+
+async function fetchApi<T, R>(
+  endpoint: string,
+  method: string = "GET",
+  body?: T,
+  headers?: Record<string, string>
+): Promise<ApiResponse<R>> {
+  try {
+    const requestHeaders = {
+      "Content-Type": "application/json",
+      ...headers,
+    };
+
+    const config: RequestInit = {
+      method,
+      headers: requestHeaders,
+      body: body ? JSON.stringify(body) : undefined,
+    };
+
+    const response = await fetch(`/api${endpoint}`, config);
+    const data = await response.json();
+
+    return {
+      data: response.ok ? data : undefined,
+      error: !response.ok ? data.error || "Error en la petición" : undefined,
+      status: response.status,
+    };
+  } catch (error) {
+    console.error("API request error:", error);
+    return {
+      error: error instanceof Error ? error.message : "Error desconocido",
+      status: 500,
+    };
+  }
+}
+
+export async function login(
+  credentials: LoginRequest
+): Promise<ApiResponse<AuthResponse>> {
+  return fetchApi<LoginRequest, AuthResponse>(
+    "/auth/login",
+    "POST",
+    credentials
+  );
+}
+
+export async function register(
+  userData: RegisterRequest
+): Promise<ApiResponse<AuthResponse>> {
+  return fetchApi<RegisterRequest, AuthResponse>(
+    "/auth/register",
+    "POST",
+    userData
+  );
+}
+
+export async function getProfile(): Promise<ApiResponse<UserProfile>> {
+  const token = localStorage.getItem("token");
+
+  if (!token) {
+    return {
+      error: "No hay token de autenticación",
+      status: 401,
+    };
+  }
+
+  return fetchApi<undefined, UserProfile>("/user/profile", "GET", undefined, {
+    Authorization: `Bearer ${token}`,
+  });
+}
+
+export async function logout(): Promise<void> {
+  localStorage.removeItem("token");
+}

src/lib/i18n/i18n-config.ts

@@ -0,0 +1,13 @@
+export const defaultLocale = "en";
+export const locales = ["en", "es"];
+
+export function getOptions(lng = defaultLocale, ns = "common") {
+  return {
+    supportedLngs: locales,
+    fallbackLng: defaultLocale,
+    lng,
+    ns,
+    defaultNS: "common",
+    fallbackNS: "common",
+  };
+}

src/lib/i18n/i18n.ts

@@ -0,0 +1,67 @@
+import { createInstance, i18n } from "i18next";
+import { initReactI18next } from "react-i18next";
+import resourcesToBackend from "i18next-resources-to-backend";
+import { getOptions } from "./i18n-config";
+
+// Caché para las instancias de i18next por idioma y namespace
+const i18nInstancesCache: Record<string, i18n> = {};
+
+const initI18next = async (lng: string, ns: string) => {
+  const cacheKey = `${lng}:${ns}`;
+
+  // Si ya existe en caché, devolver la instancia existente
+  if (i18nInstancesCache[cacheKey]) {
+    return i18nInstancesCache[cacheKey];
+  }
+
+  const i18nInstance = createInstance();
+  await i18nInstance
+    .use(initReactI18next)
+    .use(
+      resourcesToBackend(
+        (language: string, namespace: string) =>
+          import(`../../public/locales/${language}/${namespace}.json`)
+      )
+    )
+    .init(getOptions(lng, ns));
+
+  // Guardar en caché
+  i18nInstancesCache[cacheKey] = i18nInstance;
+
+  return i18nInstance;
+};
+
+// Tipo para la función de traducción
+export type TranslationFunction = (key: string) => string | undefined;
+
+// Tipo para el objeto de traducción cacheado
+interface CachedTranslation {
+  t: TranslationFunction;
+  i18n: i18n;
+}
+
+// Caché para las funciones de traducción
+const translationCache: Record<string, CachedTranslation> = {};
+
+export async function getTranslation(
+  lng: string,
+  ns: string = "common"
+): Promise<CachedTranslation> {
+  const cacheKey = `${lng}:${ns}`;
+
+  // Si ya existe en caché, devolver la función de traducción existente
+  if (translationCache[cacheKey]) {
+    return translationCache[cacheKey];
+  }
+
+  const i18nextInstance = await initI18next(lng, ns);
+  const translation: CachedTranslation = {
+    t: i18nextInstance.getFixedT(lng, ns),
+    i18n: i18nextInstance,
+  };
+
+  // Guardar en caché
+  translationCache[cacheKey] = translation;
+
+  return translation;
+}

src/lib/i18n/language-context.tsx

@@ -0,0 +1,50 @@
+'use client';
+
+import { createContext, useContext, useState, useEffect, ReactNode } from 'react';
+import { locales, defaultLocale } from './i18n-config';
+
+type LanguageContextType = {
+  locale: string;
+  setLocale: (locale: string) => void;
+};
+
+const LanguageContext = createContext<LanguageContextType | null>(null);
+
+export function LanguageProvider({ children }: { children: ReactNode }) {
+  const [locale, setLocale] = useState<string>(defaultLocale);
+
+  useEffect(() => {
+    const storedLocale = localStorage.getItem('locale');
+    
+    if (storedLocale && locales.includes(storedLocale)) {
+      setLocale(storedLocale);
+    } else {
+      const browserLocale = navigator.language.split('-')[0];
+      const newLocale = locales.includes(browserLocale) ? browserLocale : defaultLocale;
+      setLocale(newLocale);
+      localStorage.setItem('locale', newLocale);
+    }
+  }, []);
+
+  const handleSetLocale = (newLocale: string) => {
+    if (locales.includes(newLocale)) {
+      setLocale(newLocale);
+      localStorage.setItem('locale', newLocale);
+      window.location.reload();
+    }
+  };
+
+  return (
+    <LanguageContext.Provider value={{ locale, setLocale: handleSetLocale }}>
+      {children}
+    </LanguageContext.Provider>
+  );
+}
+
+export function useLanguage() {
+  const context = useContext(LanguageContext);
+  if (!context) {
+    throw new Error('useLanguage must be used within a LanguageProvider');
+  }
+  return context;
+} 

src/lib/i18n/useI18n.ts

@@ -0,0 +1,39 @@
+"use client";
+
+import { useState, useEffect } from "react";
+import { useLanguage } from "./language-context";
+import { getTranslation } from "./i18n";
+
+export function useI18n() {
+  const { locale } = useLanguage();
+  const [t, setT] = useState<(key: string) => string | undefined>(null!);
+  const [isLoading, setIsLoading] = useState(true);
+
+  useEffect(() => {
+    let isMounted = true;
+
+    const loadTranslations = async () => {
+      setIsLoading(true);
+      try {
+        const translation = await getTranslation(locale);
+        if (isMounted) {
+          setT(() => translation.t);
+        }
+      } catch (error) {
+        console.error("Error loading translations:", error);
+      } finally {
+        if (isMounted) {
+          setIsLoading(false);
+        }
+      }
+    };
+
+    loadTranslations();
+
+    return () => {
+      isMounted = false;
+    };
+  }, [locale]);
+
+  return { t, isLoading, locale };
+}

yarn.lock

@@ -15,7 +15,7 @@
     "@jridgewell/gen-mapping" "^0.3.5"
     "@jridgewell/trace-mapping" "^0.3.24"
 
-"@babel/runtime@^7.13.10":
+"@babel/runtime@^7.13.10", "@babel/runtime@^7.23.2", "@babel/runtime@^7.25.0", "@babel/runtime@^7.26.10":
   version "7.27.1"
   resolved "https://registry.npmjs.org/@babel/runtime/-/runtime-7.27.1.tgz"
   integrity sha512-1x3D2xEk2fRo3PAhwQwu5UubzgiVWSXTBfWpVd2Mx2AzRqJuDJCsgaDVZ7HB5iGzDW1Hl1sWN2mFyKjmR9uAog==
@@ -2931,6 +2931,13 @@ hasown@^2.0.2:
   dependencies:
     function-bind "^1.1.2"
 
+html-parse-stringify@^3.0.1:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/html-parse-stringify/-/html-parse-stringify-3.0.1.tgz#dfc1017347ce9f77c8141a507f233040c59c55d2"
+  integrity sha512-KknJ50kTInJ7qIScF3jeaFRpMpE8/lfiTdzf/twXyPBLAGrLRTmkz3AdTnKeh40X8k9L2fdYwEp/42WGXIRGcg==
+  dependencies:
+    void-elements "3.1.0"
+
 http-errors@2.0.0, http-errors@^2.0.0:
   version "2.0.0"
   resolved "https://registry.npmjs.org/http-errors/-/http-errors-2.0.0.tgz"
@@ -2942,6 +2949,20 @@ http-errors@2.0.0, http-errors@^2.0.0:
     statuses "2.0.1"
     toidentifier "1.0.1"
 
+i18next-resources-to-backend@^1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/i18next-resources-to-backend/-/i18next-resources-to-backend-1.2.1.tgz#fded121e63e3139ce839c9901b9449dbbea7351d"
+  integrity sha512-okHbVA+HZ7n1/76MsfhPqDou0fptl2dAlhRDu2ideXloRRduzHsqDOznJBef+R3DFZnbvWoBW+KxJ7fnFjd6Yw==
+  dependencies:
+    "@babel/runtime" "^7.23.2"
+
+i18next@^25.1.2:
+  version "25.1.2"
+  resolved "https://registry.yarnpkg.com/i18next/-/i18next-25.1.2.tgz#c667b814ed1b4dbea76976a4c746a87922ac6ceb"
+  integrity sha512-SP63m8LzdjkrAjruH7SCI3ndPSgjt4/wX7ouUUOzCW/eY+HzlIo19IQSfYA9X3qRiRP1SYtaTsg/Oz/PGsfD8w==
+  dependencies:
+    "@babel/runtime" "^7.26.10"
+
 iconv-lite@0.6, iconv-lite@0.6.3, iconv-lite@^0.6.3:
   version "0.6.3"
   resolved "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.6.3.tgz"
@@ -4425,6 +4446,14 @@ react-dom@^19.0.0:
   dependencies:
     scheduler "^0.26.0"
 
+react-i18next@^15.5.1:
+  version "15.5.1"
+  resolved "https://registry.yarnpkg.com/react-i18next/-/react-i18next-15.5.1.tgz#ceada755a0b6691432b6b6dc5dad454fd3d158e3"
+  integrity sha512-C8RZ7N7H0L+flitiX6ASjq9p5puVJU1Z8VyL3OgM/QOMRf40BMZX+5TkpxzZVcTmOLPX5zlti4InEX5pFyiVeA==
+  dependencies:
+    "@babel/runtime" "^7.25.0"
+    html-parse-stringify "^3.0.1"
+
 react-is@^16.13.1:
   version "16.13.1"
   resolved "https://registry.npmjs.org/react-is/-/react-is-16.13.1.tgz"
@@ -5305,6 +5334,11 @@ vary@^1, vary@^1.1.2:
   resolved "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz"
   integrity sha512-BNGbWLfd0eUPabhkXUVm0j8uuvREyTh5ovRa/dyow/BqAbZJyC+5fU+IzQOzmAKzYqYRAISoRhdQr3eIZ/PXqg==
 
+void-elements@3.1.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/void-elements/-/void-elements-3.1.0.tgz#614f7fbf8d801f0bb5f0661f5b2f5785750e4f09"
+  integrity sha512-Dhxzh5HZuiHQhbvTW9AMetFfBHDMYpo23Uo9btPXgdYP+3T5S+p+jgNy7spra+veYhBP2dCSgxR/i2Y02h5/6w==
+
 web-worker@^1.2.0:
   version "1.5.0"
   resolved "https://registry.npmjs.org/web-worker/-/web-worker-1.5.0.tgz"