mobile-flutter/covas_mobile/lib/classes/MyDrawer.dart

import 'package:flutter/material.dart';
import 'package:shared_preferences/shared_preferences.dart';
import 'package:http/http.dart' as http;
import 'dart:io';
import '../pages/EditProfile.dart';
import '../pages/EditSettings.dart';
import '../pages/ListItemMenu.dart';
import 'alert.dart';

import '../variable/globals.dart' as globals;

import '../pages/LoginDemo.dart';

class MyDrawer extends StatelessWidget with ShowAlertDialog {
  Future<void> logout(BuildContext context) async {
    SharedPreferences prefs = await SharedPreferences.getInstance();
    var accessToken = prefs.getString("access_token") ?? "";

    if (accessToken.isNotEmpty) {
      var url = Uri.parse("${globals.api}/token");

      try {
        var response = await http.delete(url, headers: {
          "Content-Type": "application/json",
          HttpHeaders.cookieHeader: "access_token=${accessToken}"
        });

        print("Status code logout ${response.statusCode}");

        if (response.statusCode == 200) {
          await prefs.remove("access_token"); // Correctly remove the token
          Navigator.pushAndRemoveUntil(
            context,
            MaterialPageRoute(builder: (_) => LoginDemo()),
            (route) => false, // Remove all previous routes
          );
        } else {
          String errorMessage;
          switch (response.statusCode) {
            case 400:
              errorMessage = "Bad Request: Please check your input.";
              break;
            case 401:
              errorMessage = "Unauthorized: Invalid credentials.";
              break;
            case 403:
              errorMessage = "Forbidden: You don't have permission.";
              break;
            case 404:
              errorMessage = "Not Found: The resource was not found.";
              break;
            case 500:
              errorMessage =
                  "Server Error: Something went wrong on the server.";
              break;
            default:
              errorMessage = "Unexpected Error: ${response.statusCode}";
              break;
          }
          print(errorMessage);
          showAlertDialog(context, "Error", errorMessage);
        }
      } catch (e) {
        print("Error: $e");
        showAlertDialog(
            context, "Error", "An error occurred. Please try again.");
      }
    } else {
      showAlertDialog(context, "Error", "Invalid token.");
    }
  }

  @override
  Widget build(BuildContext context) {
    return Drawer(
      child: ListView(
        padding: EdgeInsets.zero,
        children: [
          // Drawer Header
          DrawerHeader(
            decoration: BoxDecoration(
              color: Colors.blue,
            ),
            child: Text(
              'Menu',
              style: TextStyle(
                color: Colors.white,
                fontSize: 24,
              ),
            ),
          ),
          // Drawer Items
          ListTile(
            leading: Icon(Icons.home),
            title: Text('Home'),
            onTap: () {
              Navigator.pushReplacement(
                  context, MaterialPageRoute(builder: (_) => ListItemMenu()));

              /// Close the drawer
            },
          ),
          ListTile(
            leading: Icon(Icons.settings),
            title: Text('Settings'),
            onTap: () {
              Navigator.pushReplacement(
                  context,
                  MaterialPageRoute(
                      builder: (_) => EditSettings())); // Close the drawer
            },
          ),
          ListTile(
            leading: Icon(Icons.account_circle),
            title: Text('Update profile'),
            onTap: () {
              Navigator.pushReplacement(
                  context,
                  MaterialPageRoute(
                      builder: (_) => EditProfile())); // Close the drawer
            },
          ),
          ListTile(
            leading: Icon(Icons.info),
            title: Text('About'),
            onTap: () {
              showAlertDialog(
                  context, 'About', "Version 0.0.1"); // Close the drawer
            },
          ),
          ListTile(
            leading: Icon(Icons.logout),
            title: Text('Log out'),
            onTap: () async {
              logout(context);
// Close the drawer
            },
          ),
        ],
      ),
    );
  }
}