import 'package:flutter/material.dart';
import 'package:queue_client/backend/DataManager.dart';
import 'package:queue_client/backend/Dialogs.dart';
import 'package:queue_client/home.dart';

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

  @override
  State<LoginPage> createState() => _LoginPageState();
}

class _LoginPageState extends State<LoginPage> {
  TextEditingController usernameController = TextEditingController();
  TextEditingController passwordController = TextEditingController();
  bool logging = false;
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: Center(
        child: Card(
          child: Container(
            padding: EdgeInsets.all(20),
            child: Column(
              mainAxisAlignment: MainAxisAlignment.center,
              mainAxisSize: MainAxisSize.min,
              children: [
                Text("Login"),
                SizedBox(height: 30,),
                ListTile(title: Text("Phone Number"),
                  subtitle: TextField(controller: usernameController),),

                ElevatedButton(onPressed: () async{
                  setState(() {
                    logging=true;
                  });
                  String results = await DataManager.instance().Login(usernameController.text, passwordController.text);
                  if(results == "0"){
                    Navigator.of(context).pushReplacement(MaterialPageRoute(builder: (context)=>HomePage()));
                  }else{
                    Dialogs.showAlertDialog(context, "Failed login", results);
                  }
                }, child: Text("Continue"))
              ],
            ),
          ),
        ),
      ),
    );
  }
}