flutter_putraGO/lib/screens/passenger/authenticate/userLogin.dart

import 'package:flutter/material.dart';
import '../../../services/auth.dart';
import '../userHome/userCustomizedOrder.dart';
import '../home_page.dart';

class userLogin extends StatefulWidget {

  @override
  State<userLogin> createState() => _userLoginState();
}

class _userLoginState extends State<userLogin> {

  final AuthService _auth = AuthService();
  final _formKey = GlobalKey<FormState>();
  String error = '';
  bool loading = false;

  // text field state
  String email = '';
  String password = '';

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      backgroundColor: Colors.white,
      appBar: AppBar(
        leading:
        //back to previous page
        IconButton(
          icon: const Icon(
            Icons.chevron_left,
            size: 36,
          ),
          onPressed: () {
            Navigator.push(
              context,
                MaterialPageRoute(builder: (context) => const HomePage()),
            );
          },
        ),
      ),

      body:
      SingleChildScrollView(
        child: Column(
          children: <Widget>[
            Padding(
              padding: const EdgeInsets.all(16.0),
              child: Column(
                mainAxisAlignment: MainAxisAlignment.start, // Align at the top
                crossAxisAlignment: CrossAxisAlignment.center,
                children: [
                  // Title: Login
                  const Align(
                    alignment: Alignment.centerLeft,
                    child: Text(
                      "Login",
                      style: TextStyle(
                        fontFamily: 'Poppins',
                        fontSize: 30,
                        fontWeight: FontWeight.bold,
                        color: Colors.black,
                      ),
                    ),
                  ),

                  // Input student email
                  const SizedBox(height: 10),
                  Container(
                    width: 334,
                    height: 52,
                    decoration: BoxDecoration(
                      borderRadius: BorderRadius.circular(8),
                      color: Colors.white,
                      border: Border.all(
                        color: const Color.fromRGBO(165, 165, 165, 1),
                        width: 1,
                      ),
                    ),
                    child: Padding(
                      padding: const EdgeInsets.symmetric(horizontal: 10.0),
                      child: TextFormField(
                        decoration: const InputDecoration(
                          hintText: "UPM Email",
                          hintStyle: TextStyle(
                            fontFamily: 'Poppins',
                            fontSize: 20,
                            color: Color.fromRGBO(165, 165, 165, 1),
                          ),
                          border: InputBorder.none,
                        ),
                        style: const TextStyle(
                          fontFamily: 'Poppins',
                          fontSize: 20,
                          color: Colors.black, // input  text color
                        ),
                        validator: (val) => val!.isEmpty ? 'Enter a student email' : null,
                         onChanged: (val) {
                           setState(() => email = val);
                         },
                      ),
                    ),
                  ),

                  // Input Password
                  const SizedBox(height: 10),
                  Container(
                    width: 334,
                    height: 52,
                    decoration: BoxDecoration(
                      borderRadius: BorderRadius.circular(8),
                      color: Colors.white,
                      border: Border.all(
                        color: const Color.fromRGBO(165, 165, 165, 1),
                        width: 1,
                      ),
                    ),
                    child: Padding(
                      padding: const EdgeInsets.symmetric(horizontal: 10.0),
                      child: TextFormField(
                        decoration: const InputDecoration(
                          hintText: "Password",
                          hintStyle: TextStyle(
                            fontFamily: 'Poppins',
                            fontSize: 20,
                            color: Color.fromRGBO(165, 165, 165, 1),
                          ),
                          border: InputBorder.none,
                        ),
                        style: const TextStyle(
                          fontFamily: 'Poppins',
                          fontSize: 20,
                          color: Colors.black, // input  text color
                        ),
                        validator: (val) =>
                        val!.length < 6 ? 'Enter a password 6+ chars long' : null,
                        obscureText: true,
                        onChanged: (val) {
                          setState(() => password = val);
                        },
                      ),
                    ),
                  ),

                  // Login
                  const SizedBox(height: 20),
                  Container(
                    width: 334,
                    height: 65,
                    decoration: BoxDecoration(
                      borderRadius: BorderRadius.circular(10),
                      color: const Color.fromRGBO(119, 97, 255, 1.0),
                    ),
                    child: TextButton(
                      onPressed: () async {
                        Navigator.push(
                          context,
                          MaterialPageRoute(builder: (context) => userCustomizedOrder()),
                        );
                        // print(email);
                        // print(password);

                        // if (_formKey.currentState!.validate()) {
                        //   setState(() => loading = true);
                        //   dynamic result = await _auth.signInWithEmailAndPassword(email, password);
                        //   if (result == null) {
                        //     setState(() {
                        //       setState(() {
                        //         loading = false;
                        //         error = 'Could not sign in with those credentials';
                        //       });
                        //     });
                        //   }
                        // }
                      },
                      child: const Text(
                        'Continue',
                        style: TextStyle(
                          fontFamily: 'Poppins',
                          fontSize: 17,
                          fontWeight: FontWeight.bold,
                          color: Colors.white,
                        ),
                      ),
                    ),
                  ),

                  // Forget Password little button
                  const SizedBox(height: 10),
                  TextButton(
                    onPressed: () {
                      // Handle forgot password button press
                    },
                    child: const Text(
                      'Forgot password',
                      style: TextStyle(
                        fontFamily: 'Poppins',
                        fontSize: 17,
                        fontWeight: FontWeight.w500,
                        decoration: TextDecoration.underline,
                        color: Color.fromRGBO(119, 97, 255, 1.0),
                      ),
                    ),
                  ),
                ],
              ),
            ),
          ],
        ),
      )

    );
  }
}