pcastlivetv/lib/pages/login_page.dart

import 'package:flutter/material.dart';
import 'package:pcastlivetv/components/nc_form_field.dart';
import 'package:pcastlivetv/routes.dart';
import 'package:pcastlivetv/services/snackbar_service.dart';
import 'package:pcastlivetv/stores/login_store.dart';
import 'package:validatorless/validatorless.dart';
import 'package:velocity_x/velocity_x.dart';

class LoginPage extends StatefulWidget {
  const LoginPage({super.key});

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

class _LoginPageState extends State<LoginPage> {
  @override
  Widget build(BuildContext context) {
    LoginStore store = VxState.store as LoginStore;

    final formKey = GlobalKey<FormState>();

    TextEditingController email = TextEditingController();
    TextEditingController password = TextEditingController();
    return Container(
      color: const Color.fromRGBO(166, 0, 249, 1),
      child: Center(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: [
            Card(
              elevation: 20,
              shape: RoundedRectangleBorder(
                borderRadius: BorderRadius.circular(10),
                side: const BorderSide(
                  width: 1,
                  color: Colors.black,
                ),
              ),
              child: Column(
                children: [
                  const SizedBox(
                    height: 32.0,
                  ),
                  "Login".text.xl5.bold.make(),
                  const SizedBox(
                    height: 32.0,
                  ),
                  SizedBox(
                    width: MediaQuery.of(context).size.width / 3,
                    child: Form(
                      key: formKey,
                      child: Padding(
                        padding: const EdgeInsets.only(
                          left: 64.0,
                          right: 64,
                          bottom: 32,
                        ),
                        child: Column(
                          children: [
                            NCFormField(
                              label: 'Email',
                              controller: email,
                              validator: Validatorless.multiple(
                                [
                                  Validatorless.email('Email inválido'),
                                  Validatorless.required('Email é obrigatório'),
                                ],
                              ),
                            ),
                            const SizedBox(
                              height: 16.0,
                            ),
                            NCFormField(
                              label: 'Senha',
                              controller: password,
                              obscureText: true,
                              validator: Validatorless.required('Senha é obrigatória'),
                            ),
                            const SizedBox(
                              height: 32.0,
                            ),
                            ElevatedButton(
                              style: ElevatedButton.styleFrom(
                                backgroundColor: const Color.fromRGBO(166, 0, 249, 1),
                                foregroundColor: Colors.white,
                                shape: RoundedRectangleBorder(
                                  borderRadius: BorderRadius.circular(8),
                                ),
                              ),
                              onPressed: () async {
                                var result = await processAuth(formKey, store, email.text, password.text);
                                if (result) {
                                  switch (store.userType) {
                                    case 'A':
                                      router.go('/admin');
                                      break;
                                    case 'R':
                                      router.go('/reseller');
                                      break;
                                    case 'U':
                                      router.go('/user');
                                      break;
                                    default:
                                  }
                                } else {
                                  SnackBarService.showSnackBar(context: context, message: store.message!);
                                }
                              },
                              child: const Padding(
                                padding: EdgeInsets.all(8.0),
                                child: Text('Entrar', style: TextStyle(fontSize: 24)),
                              ),
                            ),
                          ],
                        ),
                      ),
                    ),
                  ),
                ],
              ),
            ),
          ],
        ),
      ),
    );
  }

  Future<bool> processAuth(GlobalKey<FormState> formKey, LoginStore store, String email, String password) async {
    Function? close;
    if (formKey.currentState!.validate()) {
      formKey.currentState!.save();
      store.email = email;
      store.password = password;
      try {
        close = context.showLoading(
          msg: '',
          bgColor: Colors.transparent,
          textSize: 20,
        );

        await store.login();
        close();

        if (store.isLogged) {
          return true;
        }

        if (store.message != "") {
          return false;
        }
      } catch (e) {
        close!();
        SnackBarService.showSnackBar(context: context, message: e.toString().replaceAll("Exception: ", ""));
      }
      return false;
    }
    return false;
  }
}