import 'bloc/feed_bloc.dart';
import 'models/feed_model.dart';
import 'package:cached_network_image/cached_network_image.dart';
import 'package:eatvio_app/presentation/feed/feed_screen/widgets/feed_search_view.dart';
import 'package:eatvio_app/presentation/feed/feed_screen/widgets/feed_scroll_item.dart';
import 'package:eatvio_app/widgets/custom_bottom_bar.dart';
import 'package:eatvio_app/widgets/custom_outlined_button.dart';
import 'package:eatvio_app/core/app_export.dart';
import 'package:flutter_dotenv/flutter_dotenv.dart';
import 'package:flutter/material.dart';
import 'package:intl/intl.dart';

class FeedScreen extends StatelessWidget {
  static Widget builder(BuildContext context) {
    return BlocProvider<FeedBloc>(
        create: (context) => FeedBloc(FeedState(myProfileModelObj: FeedModel()))
          ..add(FeedInitialEvent()),
        child: FeedScreen());
  }

  Widget build(BuildContext context) {
    return BlocBuilder<FeedBloc, FeedState>(
      builder: (context, state) {
        if (state is FeedInitialState) {
          // Это начальное состояние, данные ещё не загружены.
          return CircularProgressIndicator(
            color: Colors.white,
            backgroundColor: Colors.white,
          );
        } else if (state is FeedLoadedState) {
          // Данные загружены, можно строить экран.
          return _buildFeedScreen(context, state);
        } else {
          // Другие состояния, если они есть.
          return Container(); // Пустой контейнер для необработанных состояний.
        }
      },
    );
  }

  _buildFeedScreen(BuildContext context, FeedLoadedState state) {
    mediaQueryData = MediaQuery.of(context);
    return Scaffold(
      backgroundColor: Colors.grey[200],
      resizeToAvoidBottomInset: true,
      body: SafeArea(
        child: SingleChildScrollView(
          child: Container(
            width: double.maxFinite,
            decoration: BoxDecoration(color: Colors.grey[200]),
            child: Padding(
              padding: EdgeInsets.all(16),
              child: Column(
                crossAxisAlignment: CrossAxisAlignment.stretch,
                children: [
                  _buildSearch(),
                  SizedBox(height: 20),
                  _buildMenu(context, state),
                  SizedBox(height: 20),
                  _buildBlogPostList(context, state)
                ],
              ),
            ),
          ),
        ),
      ),
      bottomNavigationBar: _buildBottomBar(context),
    );
  }

  _buildSearch() {
    return Container(
      margin: EdgeInsets.only(bottom: 10),
      decoration: BoxDecoration(
        color: Colors.white,
        borderRadius: const BorderRadius.all(Radius.circular(12)),
        boxShadow: [
          BoxShadow(
            color: Colors.grey.withOpacity(0.5),
            spreadRadius: 2,
            blurRadius: 5,
            offset: Offset(0, 3),
          ),
        ],
      ),
      child: Padding(
        padding: const EdgeInsets.all(12.0),
        child: Column(
          children: [
            CustomSearchView(
              hintText: "Поиск записей",
            ),
            SizedBox(height: 10),
            Row(
              children: [
                Flexible(
                  flex: 5,
                  child: CustomOutlinedButton(
                    text: "Найти запись",
                    buttonStyle: CustomButtonStyles.outlinePrimaryTL15,
                  ),
                ),
                SizedBox(width: 8), // Add some spacing between the buttons
                Flexible(
                  flex: 1,
                  child: CustomOutlinedButton(
                    text: "+",
                    buttonStyle: CustomButtonStyles.outlinePrimaryTL15,
                  ),
                ),
              ],
            )
          ],
        ),
      ),
    );
  }

  _buildBlogPostList(BuildContext context, FeedLoadedState state) {
    List<Widget> postWidgets = [];

    if (state.posts != null) {
      for (var post in state.posts!) {
        postWidgets.add(_buildFeedEntry(post, context));
      }
    }

    return Column(
      crossAxisAlignment: CrossAxisAlignment.stretch,
      children: postWidgets,
    );
  }

  _buildFeedEntry(post, BuildContext context) {
    return Container(
        margin: EdgeInsets.only(bottom: 10),
        decoration: BoxDecoration(
          color: Colors.white,
          borderRadius: const BorderRadius.all(Radius.circular(12)),
          boxShadow: [
            BoxShadow(
              color: Colors.grey.withOpacity(0.5),
              spreadRadius: 2,
              blurRadius: 5,
              offset: Offset(0, 3),
            ),
          ],
        ),
        child: Column(children: [
          ListTile(
            leading: CachedNetworkImage(
              imageUrl: dotenv.env['STORAGE_URL']! +
                  (post["author"]['profile_photo_path'] ?? ''),
              imageBuilder: (context, imageProvider) => CircleAvatar(
                backgroundImage: imageProvider,
                radius: 25,
              ),
              placeholder: (context, url) => CircularProgressIndicator(),
              errorWidget: (context, url, error) => CircleAvatar(
                child: Icon(Icons.person),
                backgroundColor: Colors.white,
                radius: 25,
              ),
            ),
            title: Text(
              post?['author']['name'] ?? '',
              style: CustomTextStyles.titleMediumSemiBold,
            ),
            subtitle: Text(
              DateFormat('dd.MM.yyyy')
                  .format(DateTime.parse(post?['post']['updated_at'])),
              style: theme.textTheme.bodyMedium,
            ),
            onTap: () => Navigator.pushNamed(
              context,
              AppRoutes.blogPostScreen,
              arguments: post?['post']['id'].toString(),
            ),
            trailing: PopupMenuButton<String>(
              onSelected: (value) => print("tap"),
              itemBuilder: (BuildContext context) => <PopupMenuEntry<String>>[
                PopupMenuItem<String>(
                  value: 'edit',
                  child: Text('Редактировать'),
                ),
                PopupMenuItem<String>(
                  value: 'delete',
                  child: Text('Удалить'),
                ),
              ],
            ),
          ),
          Padding(
            padding: const EdgeInsets.all(16.0),
            child: Column(
              children: [
                Row(
                  mainAxisAlignment: MainAxisAlignment.spaceBetween,
                  children: [
                    Spacer(),
                    Align(
                      alignment: Alignment.center,
                      child: Text(
                        post?['post']['title'],
                        style: CustomTextStyles.titleMediumBlack,
                      ),
                    ),
                    Spacer(),
                  ],
                ),
                SizedBox(height: 8.0),
                Text(
                  post?['post']['description'],
                  style: CustomTextStyles.bodyMediumBluegray800,
                ),
                SizedBox(height: 16.0),
                CachedNetworkImage(
                  imageUrl: dotenv.env['STORAGE_URL']! +
                      (post?['post']['image'] ?? ''),
                  imageBuilder: (context, imageProvider) => Stack(
                    children: [
                      ClipRRect(
                        borderRadius:
                            const BorderRadius.all(Radius.circular(8.0)),
                        child: Image(
                          image: imageProvider,
                        ),
                      ),
                    ],
                  ),
                  placeholder: (context, url) => CircularProgressIndicator(),
                ),
                SizedBox(height: 16.0),
                Row(children: [
                  Padding(
                    padding: EdgeInsets.only(left: 4),
                    child: Row(children: [
                      Padding(
                        padding: EdgeInsets.only(right: 4),
                        child: Icon(Icons.comment_outlined),
                      ),
                      Text(
                        "Комментировать",
                      )
                    ]),
                  ),
                  Spacer(),
                  Row(children: [
                    Padding(
                      padding: const EdgeInsets.only(right: 4),
                      child: Icon(Icons.favorite_outline),
                    ),
                    Text(
                      "Нравится",
                    )
                  ]),
                  Spacer(),
                  Padding(
                    padding: EdgeInsets.only(right: 4),
                    child: Icon(Icons.share_outlined),
                  ),
                ]),
              ],
            ),
          ),
        ]));
  }

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

  _buildBottomBar(BuildContext context) {
    return CustomBottomBar(onChanged: (BottomBarEnum type) {});
  }

  onTapArrowLeft(BuildContext context) {
    NavigatorService.goBack();
  }

  _buildMenu(BuildContext context, FeedLoadedState state) {
    return Container(
      padding: EdgeInsets.all(12),
      margin: EdgeInsets.only(bottom: 10),
      decoration: BoxDecoration(
        color: Colors.white,
        borderRadius: const BorderRadius.all(Radius.circular(12)),
        boxShadow: [
          BoxShadow(
            color: Colors.grey.withOpacity(0.5),
            spreadRadius: 2,
            blurRadius: 5,
            offset: Offset(0, 3),
          ),
        ],
      ),
      child: SingleChildScrollView(
        scrollDirection: Axis.horizontal,
        child: Row(
          children: <Widget>[
            ScrollItem(title: 'Все'),
            ScrollItem(title: 'Рецепты'),
            ScrollItem(title: 'Диеты'),
            ScrollItem(title: 'Планы'),
            ScrollItem(title: 'Записи'),
          ],
        ),
      ),
    );
  }
}