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server/routers/kfu-m-24-1/back-new/features/auth/auth.controller.js

@@ -0,0 +1,95 @@
+const usersDb = require('../../shared/usersDb');
+const makeLinks = require('../../shared/hateoas');
+
+exports.login = (req, res) => {
+  const { username, password, email } = req.body;
+  const user = usersDb.findUser(username, email, password);
+  if (user) {
+    res.json({
+      data: {
+        user: {
+          id: user.id,
+          username: user.username,
+          email: user.email,
+          firstName: user.firstName,
+          lastName: user.lastName
+        },
+        token: 'token-' + user.id,
+        message: 'Login successful'
+      },
+      _links: makeLinks('/api/auth', {
+        self: '/login',
+        profile: '/profile/',
+        logout: '/logout'
+      }),
+      _meta: {}
+    });
+  } else {
+    res.status(401).json({ error: 'Invalid credentials' });
+  }
+};
+
+exports.register = (req, res) => {
+  const { username, password, email, firstName, lastName } = req.body;
+  if (usersDb.exists(username, email)) {
+    return res.status(409).json({ error: 'User already exists' });
+  }
+  const newUser = usersDb.addUser({ username, password, email, firstName, lastName });
+  res.json({
+    data: {
+      user: {
+        id: newUser.id,
+        username,
+        email,
+        firstName,
+        lastName
+      },
+      token: 'token-' + newUser.id,
+      message: 'Register successful'
+    },
+    _links: makeLinks('/api/auth', {
+      self: '/register',
+      login: '/login',
+      profile: '/profile/'
+    }),
+    _meta: {}
+  });
+};
+
+exports.profile = (req, res) => {
+  const auth = req.headers.authorization;
+  if (!auth || !auth.startsWith('Bearer ')) {
+    return res.status(401).json({ error: 'No token provided' });
+  }
+  const token = auth.replace('Bearer ', '');
+  const id = parseInt(token.replace('token-', ''));
+  const user = usersDb.findById(id);
+  if (!user) {
+    return res.status(401).json({ error: 'Invalid token' });
+  }
+  res.json({
+    data: {
+      id: user.id,
+      username: user.username,
+      email: user.email,
+      firstName: user.firstName,
+      lastName: user.lastName
+    },
+    _links: makeLinks('/api/auth', {
+      self: '/profile/',
+      logout: '/logout'
+    }),
+    _meta: {}
+  });
+};
+
+exports.logout = (req, res) => {
+  res.json({
+    message: 'Logout successful',
+    _links: makeLinks('/api/auth', {
+      self: '/logout',
+      login: '/login'
+    }),
+    _meta: {}
+  });
+};