import 'package:go_router/go_router.dart';
import 'bloc/name_bloc.dart';
import 'models/name_model.dart';
import 'package:eatvio_app/core/app_export.dart';
import 'package:eatvio_app/widgets/custom_text_form_field.dart';
import 'package:flutter/material.dart';

class NameScreen extends StatelessWidget {
  const NameScreen({Key? key}) : super(key: key);

  static Widget builder(BuildContext context, sheet) {
    return BlocProvider<NameBloc>(
      create: (context) => NameBloc(
        NameState(
          nameModelObj: NameModel(userRegistrationSheet: sheet),
        ),
      )..add(NameInitialEvent()),
      child: NameScreen(),
    );
  }

  @override
  Widget build(BuildContext context) {
    return SingleChildScrollView(
      padding: EdgeInsets.only(bottom: 80),
      child: Container(
        width: double.maxFinite,
        padding: EdgeInsets.symmetric(horizontal: 16.h, vertical: 9.v),
        child: Column(
          children: [
            Text("what_is_your_name".tr, style: theme.textTheme.headlineSmall),
            SizedBox(height: 93.v),
            Text("first_name".tr, style: theme.textTheme.bodyLarge),
            SizedBox(height: 3.v),
            BlocSelector<NameBloc, NameState, TextEditingController?>(
              selector: (state) => state.firstNameController,
              builder: (context, firstNameController) {
                return CustomTextFormField(controller: firstNameController, textInputAction: TextInputAction.done);
              },
            ),
            SizedBox(height: 19.v),
            Text("last_name".tr, style: theme.textTheme.bodyLarge),
            SizedBox(height: 5.v),
            BlocSelector<NameBloc, NameState, TextEditingController?>(
              selector: (state) => state.lastNameController,
              builder: (context, lastNameController) {
                return CustomTextFormField(
                  controller: lastNameController,
                );
              },
            ),
            // BlocBuilder<NameBloc, NameState>(
            //   builder: (context, state) {
            //     return NextStepButton(
            //       text: "continue".tr.toUpperCase(),
            //       margin: EdgeInsets.only(left: 16.h, right: 16.h, bottom: 50.v),
            //       buttonStyle: CustomButtonStyles.outlinePrimaryTL15,
            //       onPressed: () => _onTapNext(context, state), // Assign callback function here
            //     );
            //   },
            // ),
          ],
        ),
      ),
    );
  }


  /// Navigates to the previous screen.
  onTapArrowLeft(BuildContext context) {
    GoRouter.of(context).pop();
  }

  // _onTapNext(BuildContext context, NameState state) {
  //   if (state.firstNameController != null && state.lastNameController != null) {
  //     List<String> errors = validateFields(state.firstNameController!.text, state.lastNameController!.text);
  //
  //     if (errors.isEmpty) {
  //       UserRegistrationSheet sheet = state.nameModelObj!.userRegistrationSheet;
  //       sheet.firstName = state.firstNameController!.text;
  //       sheet.lastName = state.lastNameController!.text;
  //       AppRouter.navigatorKey.currentContext?.goNamed('genderScreen', extra: sheet);
  //     } else {
  //       String errorMessage = '';
  //
  //       for (var error in errors) {
  //         errorMessage += error + '\n\n';
  //       }
  //
  //       showDialog(
  //         context: context,
  //         builder: (context) => AlertDialog(
  //           title: Text('Error'),
  //           content: Text(errorMessage),
  //           actions: [
  //             TextButton(
  //               onPressed: () => onTapOk(context),
  //               child: Text('OK'),
  //             ),
  //           ],
  //         ),
  //       );
  //     }
  //   }
  // }

  void onTapOk(BuildContext context) {
    Navigator.pop(context);
  }

  List<String> validateFields(String firstName, String lastName) {
    List<String> errors = [];

    if (firstName.isEmpty) {
      errors.add('First name cannot be empty');
    }

    if (firstName.length < 1) {
      errors.add('First name is too short');
    }

    if (lastName.isEmpty) {
      errors.add('Last name cannot be empty');
    }

    if (lastName.length < 1) {
      errors.add('Last name is too short');
    }

    return errors;
  }
}