import 'dart:convert';
import 'dart:io';
import 'dart:typed_data';

import 'package:dio/dio.dart';
import 'package:flutter/material.dart';

import 'package:file_picker/file_picker.dart';
import 'package:flutter/services.dart';
import 'package:mnemo_cards/admin/admin_api.dart';
import 'package:mnemo_cards/domain/router/app_router.dart';
import 'package:mnemo_cards/features/packs/images_holder.dart';
import 'package:mnemo_cards/utils/iterable_helper.dart';
import 'package:mnemo_cards/widgets/game_card_widget.dart';
import 'package:mnemo_cards/widgets/header.dart';
import 'package:mnemo_cards_common/mnemo_cards_common.dart';

import '../di/locator.dart';
import '../main.dart';
import '../widgets/image_fade.dart';

class EditUser {
  UserDto userDto;
  AdminApi adminApi;
  bool imageChanged = false;

  EditUser(UserDto userDto, this.adminApi) : userDto = userDto;

  void _saveUser() async {
    final dto = userDto;
    final result = await adminApi.editUser(dto);
    if (!result) {
      ScaffoldMessenger.of(scaffoldKey.currentContext!).showSnackBar(SnackBar(
        content: Text('ERROR'),
      ));
    } else {
      ScaffoldMessenger.of(scaffoldKey.currentContext!).showSnackBar(SnackBar(
        content: Text('Success!!!'),
      ));
      appRouter.maybePop();
    }
  }

  void _deleteCard() async {
    final result = await adminApi.deleteUser(userDto);
    if (!result) {
      ScaffoldMessenger.of(scaffoldKey.currentContext!).showSnackBar(SnackBar(
        content: Text('ERROR'),
      ));
    } else {
      ScaffoldMessenger.of(scaffoldKey.currentContext!).showSnackBar(SnackBar(
        content: Text('Success!!!'),
      ));
      appRouter.maybePop();
    }
  }

  void addUser(BuildContext context) {
    final theme = Theme.of(context).textTheme;

    final TextEditingController nameController =
        TextEditingController(text: userDto.name);

    final TextEditingController packsController =
        TextEditingController(text: userDto.packs.join(','));

    showDialog(
        context: context,
        builder: (c) {
          return Center(
            child: Scaffold(
              body: Material(
                child: ListView(
                  children: [
                    Header(
                      '${userDto.id}',
                      hasPopButton: true,
                      trail: Row(
                        children: [
                          IconButton(
                            onPressed: _saveUser,
                            icon: Icon(Icons.save),
                          ),
                          if (userDto.id != null && userDto.id! >= 0)
                            GestureDetector(
                              onLongPress: _deleteCard,
                              child: Icon(Icons.delete),
                            )
                        ],
                      ),
                    ),
                    StatefulBuilder(builder: (context, setState) {
                      return Stack(
                        alignment: Alignment.center,
                        children: [
                          Padding(
                            padding: EdgeInsets.all(8.0),
                            child: Column(
                              children: [
                                GestureDetector(
                                  onTap: () {
                                    if (userDto.id != null) {
                                      Clipboard.setData(ClipboardData(
                                          text: userDto.id.toString()));
                                    }
                                  },
                                  child: Row(
                                    children: [
                                      Expanded(child: Text('ID ')),
                                      Text('${userDto.id}'),
                                    ],
                                  ),
                                ),
                                Row(
                                  children: [
                                    Expanded(child: Text('Admin ')),
                                    Text('${userDto.admin}'),
                                  ],
                                ),
                                TextField(
                                  controller: nameController,
                                  onChanged: (v) {
                                    userDto = userDto.copyWith(name: v);
                                  },
                                  decoration: InputDecoration(hintText: 'Name'),
                                  maxLines: 1,
                                  style: theme.displayMedium?.copyWith(
                                    fontSize: theme.displayMedium!.fontSize!,
                                  ),
                                ),
                                Row(
                                  children: [
                                    Expanded(child: Text('Subscription ')),
                                    StatefulBuilder(
                                        builder: (context, setState) {
                                      return Switch(
                                          value: userDto.subscription ?? false,
                                          onChanged: (v) {
                                            setState(() {
                                              userDto = userDto.copyWith
                                                  .subscription(v);
                                            });
                                          });
                                    }),
                                  ],
                                ),
                                TextField(
                                  controller: packsController,
                                  onChanged: (v) {
                                    final packs = v
                                        .split(',')
                                        .map((s) =>
                                            int.tryParse(s.trim())?.toString())
                                        .whereNotNull()
                                        .toList();
                                    userDto = userDto.copyWith(packs: packs);
                                    final packsText = packs.join(',');
                                    if (!packsController.text.startsWith(packsText)) {
                                      packsController.text = packsText;
                                    }
                                  },
                                  decoration:
                                      InputDecoration(hintText: 'Packs'),
                                  maxLines: 1,
                                  style: theme.displayMedium?.copyWith(
                                    fontSize: theme.displayMedium!.fontSize!,
                                  ),
                                ),
                              ],
                            ),
                          ),
                        ],
                      );
                    }),
                  ],
                ),
              ),
            ),
          );
        });
  }
}