import 'package:flutter/material.dart';
import 'package:provider/provider.dart';
import 'package:tm_app/core/constants/assets.dart';
import 'package:tm_app/core/constants/strings.dart';
import 'package:tm_app/core/routes/app_routes.dart';
import 'package:tm_app/core/theme/colors.dart';
import 'package:tm_app/core/utils/size_config.dart';
import 'package:tm_app/data/services/model/home/home_response/home_response_model.dart';
import 'package:tm_app/view_models/home_view_model.dart';
import 'package:tm_app/views/home/widgets/notification_card.dart';
import 'package:tm_app/views/shared/tender_app_bar.dart';

import '../widgets.dart';

class MobileHomePage extends StatelessWidget {
  const MobileHomePage({super.key});

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: tenderMobileAppBar(title: AppStrings.home),
      body: Consumer<HomeViewModel>(
        builder: (context, homeViewModel, child) {
          if (homeViewModel.isLoading) {
            return const Center(
              child: CircularProgressIndicator(color: AppColors.secondary50),
            );
          }

          if (homeViewModel.errorMessage != null) {
            return Center(child: Text(homeViewModel.errorMessage!));
          }

          if (homeViewModel.homeResponse != null) {
            return SingleChildScrollView(
              child: Column(
                crossAxisAlignment: CrossAxisAlignment.start,
                children: [
                  SizedBox(height: 18.0.h()),
                  NotificationCard(),
                  SizedBox(height: 32.0.h()),
                  _progressBarsRow(homeViewModel.homeResponse!),
                  SizedBox(height: 32.0.h()),
                  _firstTenderCardsRow(context, homeViewModel.homeResponse!),
                  SizedBox(height: 8.0.h()),
                  _secondTenderCardsRow(homeViewModel.homeResponse!),
                  SizedBox(height: 40.0.h()),
                  _yourTenderText(homeViewModel),
                  _bottomListView(homeViewModel),
                ],
              ),
            );
          }
          return const Center(
            child: CircularProgressIndicator(color: AppColors.secondary50),
          );
        },
      ),
    );
  }

  Widget _progressBarsRow(HomeResponseModel homeResponse) {
    return Padding(
      padding: EdgeInsets.symmetric(horizontal: 24.0.w()),
      child: Row(
        mainAxisAlignment: MainAxisAlignment.spaceBetween,
        children: [
          ProgressBarColumn(
            text: AppStrings.partnership,
            value: double.parse(homeResponse.partnership ?? '0'),
            amount: '${homeResponse.partnership}%',
          ),
          ProgressBarColumn(
            text: AppStrings.selfApply,
            value: double.parse(homeResponse.selfApply ?? '0'),
            amount: homeResponse.selfApply ?? '0',
          ),
          ProgressBarColumn(
            text: AppStrings.contracting,
            value: double.parse(homeResponse.contracting ?? '0'),
            amount: homeResponse.contracting ?? '0',
          ),
        ],
      ),
    );
  }

  Widget _firstTenderCardsRow(
    BuildContext context,
    HomeResponseModel homeResponse,
  ) {
    return Padding(
      padding: EdgeInsets.symmetric(horizontal: 24.0.w()),
      child: Row(
        mainAxisAlignment: MainAxisAlignment.spaceBetween,
        children: [
          TenderCard(
            backgroundColor: AppColors.primary20,
            iconPath: AssetsManager.arrows,
            title: AppStrings.tenderSubmitted,
            amount: homeResponse.tenderSubmitted ?? '0',
            textColor: Color(0xFF0164FF),
            enableTap: true,
            onTap: () {
              YourTendersRouteData().push(context);
            },
          ),
          TenderCard(
            backgroundColor: AppColors.primary10,
            iconPath: AssetsManager.thumb,
            title: AppStrings.approvedTenders,
            amount: homeResponse.approvedTenders ?? '0',
            textColor: Color(0xFF24848E),
            enableTap: true,
            onTap: () {
              YourTendersRouteData().push(context);
            },
          ),
        ],
      ),
    );
  }

  Widget _secondTenderCardsRow(HomeResponseModel homeResponse) {
    return Padding(
      padding: EdgeInsets.symmetric(horizontal: 24.0.w()),
      child: Row(
        mainAxisAlignment: MainAxisAlignment.spaceBetween,
        children: [
          TenderCard(
            backgroundColor: AppColors.orange10,
            iconPath: AssetsManager.shield,
            title: AppStrings.tenderValue,
            amount: homeResponse.tenderValue ?? '0',
            textColor: Color(0xFFE5821E),
            enableTap: true,
            onTap: () {},
          ),
          TenderCard(
            backgroundColor: AppColors.grey10,
            iconPath: AssetsManager.edit,
            title: AppStrings.thunderStatus,
            amount: homeResponse.thunderStatus ?? '0',
            textColor: Color(0xFF9E9E9E),
            enableTap: false,
            onTap: () {},
          ),
        ],
      ),
    );
  }

  Widget _yourTenderText(HomeViewModel homeViewModel) {
  final isYourTenders = homeViewModel.data?.data?.isNotEmpty ?? false;
    return Padding(
      padding: EdgeInsets.symmetric(horizontal: 24.0.w()),
      child: Text(
        isYourTenders ? AppStrings.yourTenders  : AppStrings.recommendedTenders,
        style: TextStyle(
          fontSize: 18.0.sp(),
          fontWeight: FontWeight.w700,
          color: AppColors.grey80,
        ),
      ),
    );
  }

  Widget _bottomListView(HomeViewModel homeViewModel) {
    final controller = ScrollController();

    controller.addListener(() {
      if (controller.position.pixels >=
          controller.position.maxScrollExtent - 200) {
        if (!homeViewModel.isLoadingMore && homeViewModel.hasMore) {
          homeViewModel.getHomeRecommandTenders();
        }
      }
    });

    return Container(
      constraints: BoxConstraints(maxHeight: 387.0.h()),
      width: double.infinity,
      child: ListView.builder(
        controller: controller,
        padding: EdgeInsets.symmetric(horizontal: 24.0.w(), vertical: 15.0.h()),
        itemCount:
            homeViewModel.tenders.length +
            (homeViewModel.isLoadingMore ? 1 : 0),
        scrollDirection: Axis.horizontal,
        itemBuilder: (context, index) {
          if (index < homeViewModel.tenders.length) {
            return TendersListItem(tender: homeViewModel.tenders[index]);
          } else {
            return Center(
              child: Padding(
                padding: EdgeInsets.all(16.0),
                child: CircularProgressIndicator(color: AppColors.secondary50),
              ),
            );
          }
        },
      ),
    );
  }
}