spotube/lib/components/Login.dart

import 'package:flutter/material.dart';
import 'package:provider/provider.dart';
import 'package:spotube/components/PageWindowTitleBar.dart';
import 'package:spotube/helpers/oauth-login.dart';
import 'package:spotube/provider/Auth.dart';

class Login extends StatefulWidget {
  const Login({Key? key}) : super(key: key);

  @override
  _LoginState createState() => _LoginState();
}

class _LoginState extends State<Login> {
  String clientId = "";
  String clientSecret = "";
  bool _fieldError = false;

  handleLogin(Auth authState) async {
    try {
      if (clientId == "" || clientSecret == "") {
        return setState(() {
          _fieldError = true;
        });
      }
      await oauthLogin(context, clientId: clientId, clientSecret: clientSecret);
    } catch (e) {
      print("[Login.handleLogin] $e");
    }
  }

  @override
  Widget build(BuildContext context) {
    return Consumer<Auth>(
      builder: (context, authState, child) {
        return Scaffold(
          body: Column(
            children: [
              const PageWindowTitleBar(),
              Expanded(
                child: Center(
                  child: Column(
                    mainAxisAlignment: MainAxisAlignment.center,
                    crossAxisAlignment: CrossAxisAlignment.center,
                    children: [
                      Image.asset(
                        "assets/spotube-logo.png",
                        width: 400,
                        height: 400,
                      ),
                      Text("Add your spotify credentials to get started",
                          style: Theme.of(context).textTheme.headline4),
                      const Text(
                          "Don't worry, any of your credentials won't be collected or shared with anyone"),
                      const SizedBox(
                        height: 10,
                      ),
                      Container(
                        constraints: const BoxConstraints(
                          maxWidth: 400,
                        ),
                        child: Column(
                          children: [
                            TextField(
                              decoration: const InputDecoration(
                                hintText: "Spotify Client ID",
                                label: Text("ClientID"),
                              ),
                              onChanged: (value) {
                                setState(() {
                                  clientId = value;
                                });
                              },
                            ),
                            const SizedBox(
                              height: 10,
                            ),
                            TextField(
                              decoration: const InputDecoration(
                                hintText: "Spotify Client Secret",
                                label: Text("Client Secret"),
                              ),
                              onChanged: (value) {
                                setState(() {
                                  clientSecret = value;
                                });
                              },
                            ),
                            const SizedBox(
                              height: 10,
                            ),
                            ElevatedButton(
                              onPressed: () {
                                handleLogin(authState);
                              },
                              child: const Text("Submit"),
                            )
                          ],
                        ),
                      ),
                    ],
                  ),
                ),
              ),
            ],
          ),
        );
      },
    );
  }
}