import 'dart:io';
import 'dart:math';

import 'package:eatvio_app/core/app_router.dart';
import 'package:eatvio_app/core/locator_service.dart';
import 'package:eatvio_app/core/theme/custom_text_style.dart';
import 'package:eatvio_app/core/theme/theme_helper.dart';
import 'package:eatvio_app/features/chat/repositories/chat_repository.dart';
import 'package:eatvio_app/features/profile/models/profile_model.dart';
import 'package:file_picker/file_picker.dart';
import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:go_router/go_router.dart';
import 'package:image_picker/image_picker.dart';
import 'package:eatvio_app/features/menu/presentation/blocked_user_cubit/blocked_users_cubit.dart';
import 'package:eatvio_app/features/menu/presentation/blocked_user_cubit/blocked_users_state.dart';

class EmptyChatScreen extends StatefulWidget {
  final ProfileModel user;

  const EmptyChatScreen({super.key, required this.user});

  @override
  State<EmptyChatScreen> createState() => _EmptyChatScreenState();
}

class _EmptyChatScreenState extends State<EmptyChatScreen> {
  final TextEditingController textEditingController = TextEditingController();

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      resizeToAvoidBottomInset: true,
      appBar: AppBar(
        titleSpacing: 0,
        backgroundColor: appTheme.gray100,
        centerTitle: false,
        title: GestureDetector(
          onTap: () {
            GoRouter.of(context).pushNamed('profileScreen', extra: widget.user.slug);
          },
          child: Row(
            children: [
              CircleAvatar(
                radius: 20,
                foregroundImage: NetworkImage(widget.user.profilePhotoUrl),
                backgroundImage: const AssetImage('assets/images/no_avatar.png'),
              ),
              const SizedBox(width: 16),
              Column(
                crossAxisAlignment: CrossAxisAlignment.start,
                children: [Text(widget.user.name, style: CustomTextStyles.titleSmallBold.copyWith(color: PrimaryColors().black))],
              ),
            ],
          ),
        ),
      ),
      body: SafeArea(
        child: Column(
          children: [
            const Spacer(),
            Container(
              padding: const EdgeInsets.symmetric(vertical: 8),
              child: Row(
                crossAxisAlignment: CrossAxisAlignment.end,
                children: [
                  const SizedBox(width: 8),
                  InkWell(
                    onTap: () => showImagePicker(widget.user.slug),
                    customBorder: const CircleBorder(),
                    child: Ink(
                      height: 40,
                      width: 40,
                      child: Transform.rotate(
                        angle: pi / 4,
                        child: const Icon(Icons.attach_file_rounded, size: 30, color: Color(0xFF858E99)),
                      ),
                    ),
                  ),
                  const SizedBox(width: 8),
                  Expanded(
                    child: TextFormField(
                      textCapitalization: TextCapitalization.sentences,
                      controller: textEditingController,
                      maxLines: 3,
                      minLines: 1,
                      keyboardType: TextInputType.multiline,
                      style: const TextStyle(fontSize: 16, fontWeight: FontWeight.w400, color: Colors.black, height: 1),
                      decoration: InputDecoration(
                        isDense: true,
                        contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 10),
                        hintText: 'Сообщение',
                        hintStyle: const TextStyle(fontSize: 14, fontWeight: FontWeight.w400, height: 1, color: Color(0xFFAEAEB2)),
                        filled: true,
                        border: OutlineInputBorder(
                          borderRadius: BorderRadius.circular(100),
                          borderSide: const BorderSide(color: Color(0xFFD1D1D6), width: 1),
                        ),
                        enabledBorder: OutlineInputBorder(
                          borderRadius: BorderRadius.circular(100),
                          borderSide: const BorderSide(color: Color(0xFFD1D1D6), width: 1),
                        ),
                        focusedBorder: OutlineInputBorder(
                          borderRadius: BorderRadius.circular(100),
                          borderSide: const BorderSide(color: Color(0xFFD1D1D6), width: 1),
                        ),
                      ),
                    ),
                  ),
                  const SizedBox(width: 8),
                  InkWell(
                    customBorder: const CircleBorder(),
                    onTap: () async {
                      // Проверяем, заблокирован ли пользователь
                      final blockedUsersCubit = sl<BlockedUsersCubit>();
                      await blockedUsersCubit.getBlockedUsers();
                      final blockedState = blockedUsersCubit.state;

                      if (blockedState is BlockedUsersStateLoaded) {
                        final isBlocked = blockedState.profilesList.any((profile) => profile.slug == widget.user.slug);
                        if (isBlocked) {
                          if (context.mounted) {
                            ScaffoldMessenger.of(context).showSnackBar(
                              const SnackBar(content: Text('Вы не можете отправить сообщение заблокированному пользователю'), backgroundColor: Colors.red),
                            );
                          }
                          return;
                        }
                      }

                      if (textEditingController.text.isNotEmpty) {
                        await sl<ChatRepository>().sendMessage(data: textEditingController.text.trim(), slug: widget.user.slug);
                        if (mounted) {
                          setState(() {
                            textEditingController.clear();
                          });
                        }
                        final chatIdOrError = await sl<ChatRepository>().getChatByUserSlug(widget.user.slug);
                        if (context.mounted) {
                          AppRouter.navigatorKey.currentContext?.pushReplacementNamed('chatScreen', extra: {'uuid': chatIdOrError});
                        }
                      }
                    },
                    child: Ink(
                      decoration: BoxDecoration(color: appTheme.blueA400, shape: BoxShape.circle),
                      height: 40,
                      width: 40,
                      child: const Icon(Icons.arrow_upward_rounded, size: 24, color: Colors.white),
                    ),
                  ),
                  const SizedBox(width: 8),
                ],
              ),
            ),
          ],
        ),
      ),
    );
  }

  void showImagePicker(String slug) {
    showCupertinoModalPopup<void>(
      context: context,
      builder: (context) => CupertinoActionSheet(
        actions: [
          CupertinoActionSheetAction(
            onPressed: () async {
              Navigator.of(context).pop();

              // Проверяем, заблокирован ли пользователь
              final blockedUsersCubit = sl<BlockedUsersCubit>();
              await blockedUsersCubit.getBlockedUsers();
              final blockedState = blockedUsersCubit.state;

              if (blockedState is BlockedUsersStateLoaded) {
                final isBlocked = blockedState.profilesList.any((profile) => profile.slug == widget.user.slug);
                if (isBlocked) {
                  if (context.mounted) {
                    ScaffoldMessenger.of(context).showSnackBar(
                      const SnackBar(content: Text('Вы не можете отправить сообщение заблокированному пользователю'), backgroundColor: Colors.red),
                    );
                  }
                  return;
                }
              }

              final picker = ImagePicker();
              List<XFile>? images = await picker.pickMultiImage();
              if (images.isNotEmpty) {
                List<File> files = images.map((image) => File(image.path)).toList();
                await sl<ChatRepository>().sendMessage(files: files, slug: widget.user.slug);
                final chatIdOrError = await sl<ChatRepository>().getChatByUserSlug(widget.user.slug);
                if (mounted) {
                  AppRouter.navigatorKey.currentContext?.pushReplacementNamed('chatScreen', extra: {'uuid': chatIdOrError});
                }
              }
            },
            child: const Row(children: [Icon(Icons.photo_library_rounded), SizedBox(width: 8), Text('Галерея')]),
          ),
          CupertinoActionSheetAction(
            onPressed: () async {
              Navigator.of(context).pop();
              final picker = ImagePicker();
              List<XFile>? images = await picker.pickMultiImage();
              if (images.isNotEmpty) {
                List<File> files = images.map((image) => File(image.path)).toList();
                await sl<ChatRepository>().sendMessage(files: files, slug: widget.user.slug);
                final chatIdOrError = await sl<ChatRepository>().getChatByUserSlug(widget.user.slug);
                if (mounted) {
                  AppRouter.navigatorKey.currentContext?.pushReplacementNamed('chatScreen', extra: {'uuid': chatIdOrError});
                }
              }
            },
            child: const Row(children: [Icon(Icons.photo_camera), SizedBox(width: 8), Text('Фото')]),
          ),
          CupertinoActionSheetAction(
            onPressed: () async {
              Navigator.of(context).pop();
              FilePickerResult? result = await FilePicker.platform.pickFiles(
                allowMultiple: true,
                type: FileType.custom,
                allowedExtensions: [
                  'pdf',
                  'doc',
                  'docx',
                  'json',
                  'ppt',
                  'pptx',
                  'rtf',
                  'txt',
                  'xls',
                  'xlsx',
                  'csv',
                  'jpeg',
                  'jpg',
                  'png',
                  'gif',
                  'svg',
                  'xml',
                  'webp',
                ],
              );
              if (result != null) {
                List<File> files = result.paths.map((path) => File(path!)).toList();
                await sl<ChatRepository>().sendMessage(files: files, slug: widget.user.slug);
                final chatIdOrError = await sl<ChatRepository>().getChatByUserSlug(widget.user.slug);
                if (mounted) {
                  AppRouter.navigatorKey.currentContext?.pushReplacementNamed('chatScreen', extra: {'uuid': chatIdOrError});
                }
              }
            },
            child: const Row(children: [Icon(Icons.file_present_rounded), SizedBox(width: 8), Text('Файлы')]),
          ),
        ],
        cancelButton: CupertinoActionSheetAction(onPressed: () => Navigator.of(context).pop(), isDestructiveAction: true, child: const Text('Отмена')),
      ),
    );
  }
}