import 'bloc/allergies_bloc.dart';
import 'models/allergies_model.dart';
import 'package:eatvio_app/core/app_export.dart';
import 'package:eatvio_app/widgets/app_bar/appbar_leading_image.dart';
import 'package:eatvio_app/widgets/app_bar/appbar_title_image.dart';
import 'package:eatvio_app/widgets/app_bar/custom_app_bar.dart';
import 'package:eatvio_app/widgets/next_step_button.dart';
import 'package:eatvio_app/data/models/userRegistrationModel/user_registration_model.dart';
import 'package:eatvio_app/widgets/custom_text_form_field.dart';
import 'package:flutter/material.dart';

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

  static Widget builder(BuildContext context) {
    final sheet =
        ModalRoute.of(context)!.settings.arguments as UserRegistrationSheet;
    return BlocProvider<AllergiesBloc>(
        create: (context) => AllergiesBloc(AllergiesState(
            allergiesModelObj: AllergiesModel(userRegistrationSheet: sheet)))
          ..add(AllergiesInitialEvent()),
        child: AllergiesScreen());
  }

  @override
  State<AllergiesScreen> createState() => _AllergiesScreenState();
}

class _AllergiesScreenState extends State<AllergiesScreen> {
  @override
  Widget build(BuildContext context) {
    mediaQueryData = MediaQuery.of(context);
    return SafeArea(
        child: Scaffold(
            resizeToAvoidBottomInset: false,
            appBar: _buildAppBar(context),
            body: Container(
                width: double.maxFinite,
                padding: EdgeInsets.symmetric(horizontal: 16.h, vertical: 9.v),
                child: Column(children: [
                  SizedBox(height: 7.v),
                  Container(
                      height: 16.v,
                      width: 343.h,
                      decoration: BoxDecoration(
                          color: theme.colorScheme.onPrimary,
                          borderRadius: BorderRadius.circular(8.h),
                          border: Border.all(
                              color: theme.colorScheme.primary, width: 1.h)),
                      child: ClipRRect(
                          borderRadius: BorderRadius.circular(8.h),
                          child: LinearProgressIndicator(
                              value: 0.76,
                              backgroundColor: theme.colorScheme.onPrimary,
                              valueColor: AlwaysStoppedAnimation<Color>(
                                  appTheme.blueA400)))),
                  SizedBox(height: 22.v),
                  Text("allergies_presence".tr,
                      style: theme.textTheme.headlineSmall),
                  Spacer(flex: 36),
                  _buildTextFormField(context),
                  Spacer(flex: 54),
                  BlocBuilder<AllergiesBloc, AllergiesState>(
                      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: onTapContinue(state, context));
                  }),
                  BlocBuilder<AllergiesBloc, AllergiesState>(
                      builder: (context, state) {
                    return GestureDetector(
                      onTap: onTapSkip(state, context),
                      child: Text("skip".tr, style: theme.textTheme.bodyLarge),
                    );
                  }),
                ]))));
  }

  onTapSkip(AllergiesState state, BuildContext context) {
    return () {
      UserRegistrationSheet sheet =
          state.allergiesModelObj!.userRegistrationSheet;
      Navigator.pushNamed(
        context,
        AppRoutes.medicineIntakeScreen,
        arguments: sheet,
      );
    };
  }

  onTapContinue(AllergiesState state, BuildContext context) {
    return () {
      UserRegistrationSheet sheet =
          state.allergiesModelObj!.userRegistrationSheet;
      sheet.aboutAllergy = state.enterInformationController!.text;
      Navigator.pushNamed(
        context,
        AppRoutes.medicineIntakeScreen,
        arguments: sheet,
      );
    };
  }

  /// Section Widget
  _buildAppBar(BuildContext context) {
    return CustomAppBar(
        leadingWidth: 31.h,
        leading: AppbarLeadingImage(
            imagePath: ImageConstant.imgArrowLeft,
            margin: EdgeInsets.only(left: 18.h, top: 15.v, bottom: 15.v),
            onTap: onTapBack(context)),
        centerTitle: true,
        title: AppbarTitleImage(imagePath: ImageConstant.imgLogoEatvio));
  }

  onTapBack(BuildContext context) {
    return () {
      onTapArrowLeft(context);
    };
  }

  /// Section Widget
  _buildTextFormField(BuildContext context) {
    return Column(children: [
      Text("fill_in_information".tr,
          style: CustomTextStyles.titleMediumSegoeUI),
      SizedBox(height: 2.v),
      BlocSelector<AllergiesBloc, AllergiesState, TextEditingController?>(
          selector: (state) => state.enterInformationController,
          builder: (context, enterInformationController) {
            return CustomTextFormField(
                controller: enterInformationController,
                hintText: "enter_information".tr,
                textInputAction: TextInputAction.done,
                maxLines: 8);
          })
    ]);
  }

  /// Navigates to the previous screen.
  onTapArrowLeft(BuildContext context) {
    NavigatorService.goBack();
  }
}