import 'package:flutter/material.dart';
import 'package:provider/provider.dart';
import 'package:tm_app/core/utils/size_config.dart';
import 'package:tm_app/view_models/tenders_view_model.dart';

import '../../../core/constants/strings.dart';
import '../../../core/theme/colors.dart';
import '../../shared/tender_app_bar.dart';
import '../widgets/main_tenders_slider.dart';

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

  @override
  State<MobileTendersPage> createState() => _MobileTendersPageState();
}

class _MobileTendersPageState extends State<MobileTendersPage> {
  late final TendersViewModel viewModel;
  @override
  void initState() {
    super.initState();
    viewModel = context.read<TendersViewModel>();
    viewModel.addListener(_viewModelListener);
  }

  void _viewModelListener() {
    if (viewModel.feedbackErrorMessage != null) {
      ScaffoldMessenger.of(context).showSnackBar(
        SnackBar(
          backgroundColor: AppColors.error,
          content: Text(viewModel.feedbackErrorMessage!),
        ),
      );
    }
    // if (viewModel.errorMessage != null) {
    //   ScaffoldMessenger.of(context).showSnackBar(
    //     SnackBar(
    //       content: Text(viewModel.errorMessage!),
    //     ),
    //   );
    // }
    if (viewModel.tenderApprovalErrorMessage != null) {
      ScaffoldMessenger.of(context).showSnackBar(
        SnackBar(
          backgroundColor: AppColors.error,
          content: Text(viewModel.tenderApprovalErrorMessage!),
        ),
      );
    }
  }

  @override
  void dispose() {
    viewModel.removeListener(_viewModelListener);
    super.dispose();
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      backgroundColor: AppColors.backgroundColor,
      appBar: tenderMobileAppBar(title: AppStrings.tendersTitle),
      body: Consumer<TendersViewModel>(
        builder: (context, viewModel, child) {
          if (viewModel.isLoading) {
            return Center(
              child: CircularProgressIndicator(color: AppColors.jellyBean),
            );
          }
          if (viewModel.errorMessage != null) {
            return Center(child: Text(viewModel.errorMessage!));
          }

          return Padding(
            padding: EdgeInsets.symmetric(vertical: 24.0.h()),
            child: MainTendersSlider(
              tenders: viewModel.tendersResponse?.data?.tenders ?? [],
            ),
          );
        },
      ),
    );
  }
}