let express = require('express');
let router = express.Router();
let passport = require('passport');
let directory = require('../directory.js');

router.get('/selfservice/api', function (req, res) {
    response = 'Hello World!<br>';
    console.log('User:', req.user);
    if (req.user) {
      // Query Active Directory for user details
      // username is the UPN
      let username = req.user.username;
      attributes = ['dn', 'memberOf'];
      response += 'Username: ' + req.user.username + '<br>';
      response += 'First Name: ' + req.user.first_name + '<br>';
      response += 'Last Name: ' + req.user.last_name + '<br>';
      usertype_map = ['Unknown', 'Student', 'Parent'];
      response += 'User Type: ' + usertype_map[req.user.userType] + '<br>';
      if (req.user.userType === directory.USER_TYPE.STUDENT) {
        response += 'Primary Parent: ' + req.user.primaryParent + '<br>';
      } 
      else if (req.user.userType === directory.USER_TYPE.PARENT) {
        response += 'Students: ' + req.user.students + '<br>';
      }
      response += '<a href="/selfservice/api/logout">Logout</a>';
      res.send(response);
    }
    else {
      response += '<a href="/selfservice/api/login">Login</a>';
      res.send(response);
    }
  });
  
  router.get('/selfservice/api/logout', function (req, res) {
    req.logout();
    res.redirect('/selfservice');
  });
  
  router.get('/selfservice/api/login',
    passport.authenticate('saml', { failureRedirect: '/selfservice/api', failureFlash: true }),
    function (req, res) {
      res.redirect(end);
    }
  );
  
  router.use(function(req, res, next) {
    console.log('Received request:', req.method, req.url);
    console.log('Data:', req.body);
    next();
  });
  
  router.post('/selfservice/api/login/postResponse',
    passport.authenticate('saml', { failureRedirect: '/selfservice',successRedirect: '/selfservice', failureFlash: true }),
    function (req, res) {
      console.log('SAML authentication successful');
      res.redirect('/selfservice');
    }
  );
  
  function validUser(req, res, next) {
    if (!req.user) {
      res.redirect('/api/login');
    }
    next();
  }

module.exports = router;