sign_in_screen.dart

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import 'package:flutter/material.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
 
import '../../../../../core/constants/assets.dart';
import '../../../../../core/ui/widgets/custom_scaffold.dart';
import '../../../../../core/ui/widgets/custom_snackbar.dart';
import '../../../../../core/ui/widgets/language_selector.dart';
import '../../../domain/entities/credentials_entity.dart';
import '../../bloc/authentication_bloc/authentication_bloc.dart';
import 'views/signin_form_view.dart';
import 'views/signin_with_biometric_view.dart';
import 'package:flutter_svg/flutter_svg.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';
 
class SignInScreen extends StatelessWidget {
  const SignInScreen({super.key});
 
  @override
  Widget build(BuildContext context) {
    return BlocConsumer<AuthenticationBloc, AuthenticationState>(
      listenWhen: (previous, current) => current is AuthenticationFailureState || current is CredentialsLoadedState,
      listener: (context, state) {
        if (state is CredentialsLoadedState) {
          if (state.credentials != null &&
              state.credentials?.email != null &&
              state.credentials?.password != null) {
            context.read<AuthenticationBloc>().add(
                  SignInEvent(
                    reqEntity: CredentialsEntity(
                      email: state.credentials!.email!,
                      password: state.credentials!.password!,
                    ),
                  ),
                );
          }
        }
        if (state is AuthenticationFailureState) {
          CustomSnackBar.display(
            context,
            state.failure.color,
            state.failure.message,
          );
        }
      },
      builder: (context, state) => CustomScaffold(
        isLoading: state is AuthenticatingState,
        body: SafeArea(
          child: Column(
            children: [
              Expanded(
                child: Center(
                  child: SingleChildScrollView(
                    child: Column(
                      children: [
                        Padding(
                          padding: EdgeInsets.symmetric(vertical: 10.sp),
                          child: SvgPicture.asset(
                            Assets.logo,
                            colorFilter: ColorFilter.mode(
                              Theme.of(context).colorScheme.onSurface,
                              BlendMode.srcIn,
                            ),
                            height: 50.sp,
                          ),
                        ),
                        SignInFormView(),
                        SigninWithBiometricView(),
                      ],
                    ),
                  ),
                ),
              ),
              // Language selector at the bottom
              Padding(
                padding: EdgeInsets.only(bottom: 16.sp),
                child: Row(
                  mainAxisAlignment: MainAxisAlignment.center,
                  children: [
                    // Text(
                    //   'Language:',
                    //   style: TextStyle(
                    //     fontSize: 14.sp,
                    //     color: Theme.of(context).colorScheme.onSurface.withOpacity(0.7),
                    //   ),
                    // ),
                    // SizedBox(width: 8.sp),
                    const LanguageSelector(),
                  ],
                ),
              ),
            ],
          ),
        ),
      ),
    );
  }
}