3 files changed, 56 insertions, 8 deletions
diff --git a/lib/output/__tests__/website.js b/lib/output/__tests__/website.js
index 7afa737..54938c8 100644
--- a/lib/output/__tests__/website.js
+++ b/lib/output/__tests__/website.js
@@ -25,5 +25,32 @@ describe('WebsiteGenerator', function() {
             expect(folder).toHaveFile('test/page.html');
         });
     });
+
+    pit('should generate a multilingual book', function() {
+        return generateMock(WebsiteGenerator, {
+            'LANGS.md': '# Languages\n\n* [en](en)\n* [fr](fr)',
+            'en': {
+                'README.md': 'Hello'
+            },
+            'fr': {
+                'README.md': 'Bonjour'
+            }
+        })
+        .then(function(folder) {
+            // It should generate languages
+            expect(folder).toHaveFile('en/index.html');
+            expect(folder).toHaveFile('fr/index.html');
+
+            // Should not copy languages as assets
+            expect(folder).not.toHaveFile('en/README.md');
+            expect(folder).not.toHaveFile('fr/README.md');
+
+            // Should copy assets only once
+            expect(folder).toHaveFile('gitbook/style.css');
+            expect(folder).not.toHaveFile('en/gitbook/style.css');
+
+            expect(folder).toHaveFile('index.html');
+        });
+    });
 });
 
diff --git a/lib/output/generateBook.js b/lib/output/generateBook.js
index 6e878e8..c5d61f8 100644
--- a/lib/output/generateBook.js
+++ b/lib/output/generateBook.js
@@ -21,7 +21,7 @@ var generatePages = require('./generatePages');
     @return {Promise<Output>}
 */
 function processOutput(generator, startOutput) {
-    return Pormise(startOutput)
+    return Promise(startOutput)
     .then(preparePlugins)
     .then(preparePages)
     .then(prepareAssets)
@@ -81,10 +81,11 @@ function processOutput(generator, startOutput) {
         var outputRoot = output.getRoot();
         var plugins = output.getPlugins();
         var state = output.getState();
+        var options = output.getOptions();
 
-        return Promise.forEach(books, function(langBook, language) {
+        return Promise.forEach(books, function(langBook) {
             // Inherits plugins list, options and state
-            var langOptions = options.set('root', path.join(outputRoot, language));
+            var langOptions = options.set('root', path.join(outputRoot, langBook.getLanguage()));
             var langOutput = new Output({
                 book:       langBook,
                 options:    langOptions,
@@ -155,7 +156,8 @@ function generateBook(generator, book, options) {
     var state = generator.State? generator.State({}) : Immutable.Map();
     var start = Date.now();
 
-    return Promise(
+    return processOutput(
+        generator,
         new Output({
             book: book,
             options: options,
@@ -163,7 +165,6 @@ function generateBook(generator, book, options) {
             generator: generator.name
         })
     )
-    .then(processOutput)
     .then(function(output) {
         var logger = output.getLogger();
         var end = Date.now();
diff --git a/lib/output/website/onFinish.js b/lib/output/website/onFinish.js
index a424250..e3560e2 100644
--- a/lib/output/website/onFinish.js
+++ b/lib/output/website/onFinish.js
@@ -1,15 +1,35 @@
 var Promise = require('../../utils/promise');
+var JSONUtils = require('../../json');
+var Templating = require('../../templating');
+var writeFile = require('../helper/writeFile');
+var createTemplateEngine = require('./createTemplateEngine');
 
 /**
-    Finish the generation
+    Finish the generation, write the languages index
 
     @param {Output}
     @return {Output}
 */
 function onFinish(output) {
-    // todo: render language index
+    var book = output.getBook();
+    var options = output.getOptions();
+    var prefix = options.get('prefix');
 
-    return Promise(output);
+    if (!book.isMultilingual()) {
+        return Promise(output);
+    }
+
+    var filePath = 'index.html';
+    var engine = createTemplateEngine(output, filePath);
+    var context = JSONUtils.encodeOutput(output);
+
+    // Render the theme
+    return Templating.renderFile(engine, prefix + '/languages.html', context)
+
+    // Write it to the disk
+    .then(function(html) {
+        return writeFile(output, filePath, html);
+    });
 }
 
 module.exports = onFinish;