import 'dart:developer';

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

import 'package:collection/collection.dart';
import 'package:go_router/go_router.dart';
import 'package:image_picker/image_picker.dart';
import 'package:matrix/matrix.dart';

import 'package:fluffychat/l10n/l10n.dart';
import 'package:fluffychat/pages/settings/settings.dart';
import 'package:fluffychat/pangea/chat/constants/default_power_level.dart';
import 'package:fluffychat/pangea/chat_settings/models/bot_options_model.dart';
import 'package:fluffychat/pangea/chat_settings/pages/pangea_chat_details.dart';
import 'package:fluffychat/pangea/chat_settings/utils/download_chat.dart';
import 'package:fluffychat/pangea/chat_settings/utils/download_file.dart';
import 'package:fluffychat/pangea/common/constants/model_keys.dart';
import 'package:fluffychat/pangea/common/utils/error_handler.dart';
import 'package:fluffychat/pangea/events/constants/pangea_event_types.dart';
import 'package:fluffychat/pangea/extensions/pangea_room_extension.dart';
import 'package:fluffychat/pangea/spaces/utils/set_class_name.dart';
import 'package:fluffychat/pangea/spaces/utils/space_code.dart';
import 'package:fluffychat/utils/file_selector.dart';
import 'package:fluffychat/utils/platform_infos.dart';
import 'package:fluffychat/widgets/adaptive_dialogs/show_modal_action_popup.dart';
import 'package:fluffychat/widgets/adaptive_dialogs/show_text_input_dialog.dart';
import 'package:fluffychat/widgets/future_loading_dialog.dart';
import 'package:fluffychat/widgets/matrix.dart';

enum AliasActions { copy, delete, setCanonical }

class ChatDetails extends StatefulWidget {
  final String roomId;
  final Widget? embeddedCloseButton;

  const ChatDetails({
    super.key,
    required this.roomId,
    this.embeddedCloseButton,
  });

  @override
  ChatDetailsController createState() => ChatDetailsController();
}

class ChatDetailsController extends State<ChatDetails> {
  bool displaySettings = false;

  void toggleDisplaySettings() =>
      setState(() => displaySettings = !displaySettings);

  String? get roomId => widget.roomId;

  // #Pangea
  final GlobalKey<ChatDetailsController> addConversationBotKey =
      GlobalKey<ChatDetailsController>();

  bool displayAddStudentOptions = false;
  void toggleAddStudentOptions() =>
      setState(() => displayAddStudentOptions = !displayAddStudentOptions);
  void setDisplaynameAction() => setClassDisplayname(context, roomId);
  // void setDisplaynameAction() async {
  //   final room = Matrix.of(context).client.getRoomById(roomId!)!;
  //   final input = await showTextInputDialog(
  //     context: context,
  //     title: L10n.of(context).changeTheNameOfTheGroup,
  //     okLabel: L10n.of(context).ok,
  //     cancelLabel: L10n.of(context).cancel,
  //     initialText: room.getLocalizedDisplayname(
  //       MatrixLocals(
  //         L10n.of(context),
  //       ),
  //     ),
  //   );
  //   if (input == null) return;
  //   final success = await showFutureLoadingDialog(
  //     context: context,
  //     future: () => room.setName(input),
  //   );
  //   if (success.error == null) {
  //     ScaffoldMessenger.of(context).showSnackBar(
  //       SnackBar(content: Text(L10n.of(context).displaynameHasBeenChanged)),
  //     );
  //   }
  // }
  // Pangea#

  void setTopicAction() async {
    final room = Matrix.of(context).client.getRoomById(roomId!)!;
    final input = await showTextInputDialog(
      context: context,
      title: L10n.of(context).setChatDescription,
      okLabel: L10n.of(context).ok,
      cancelLabel: L10n.of(context).cancel,
      hintText: L10n.of(context).noChatDescriptionYet,
      initialText: room.topic,
      minLines: 4,
      maxLines: 8,
    );
    if (input == null) return;
    // #Pangea
    await showFutureLoadingDialog(
      context: context,
      future: () => room.setDescription(input),
    );
    // final success = await showFutureLoadingDialog(
    //   context: context,
    //   future: () => room.setDescription(input.single),
    // );
    // if (success.error == null) {
    //   ScaffoldMessenger.of(context).showSnackBar(
    //     SnackBar(
    //       content: Text(L10n.of(context).chatDescriptionHasBeenChanged),
    //     ),
    //   );
    // }
    // Pangea#
  }

  void goToEmoteSettings() async {
    final room = Matrix.of(context).client.getRoomById(roomId!)!;
    // okay, we need to test if there are any emote state events other than the default one
    // if so, we need to be directed to a selection screen for which pack we want to look at
    // otherwise, we just open the normal one.
    if ((room.states['im.ponies.room_emotes'] ?? <String, Event>{})
        .keys
        .any((String s) => s.isNotEmpty)) {
      context.push('/rooms/${room.id}/details/multiple_emotes');
    } else {
      context.push('/rooms/${room.id}/details/emotes');
    }
  }

  void setAvatarAction() async {
    final room = Matrix.of(context).client.getRoomById(roomId!);
    final actions = [
      if (PlatformInfos.isMobile)
        AdaptiveModalAction(
          value: AvatarAction.camera,
          label: L10n.of(context).openCamera,
          isDefaultAction: true,
          icon: const Icon(Icons.camera_alt_outlined),
        ),
      AdaptiveModalAction(
        value: AvatarAction.file,
        label: L10n.of(context).openGallery,
        icon: const Icon(Icons.photo_outlined),
      ),
      if (room?.avatar != null)
        AdaptiveModalAction(
          value: AvatarAction.remove,
          label: L10n.of(context).delete,
          isDestructive: true,
          icon: const Icon(Icons.delete_outlined),
        ),
    ];
    final action = actions.length == 1
        ? actions.single.value
        : await showModalActionPopup<AvatarAction>(
            context: context,
            title: L10n.of(context).editRoomAvatar,
            cancelLabel: L10n.of(context).cancel,
            actions: actions,
          );
    if (action == null) return;
    if (action == AvatarAction.remove) {
      await showFutureLoadingDialog(
        context: context,
        future: () => room!.setAvatar(null),
      );
      return;
    }
    MatrixFile file;
    if (PlatformInfos.isMobile) {
      final result = await ImagePicker().pickImage(
        source: action == AvatarAction.camera
            ? ImageSource.camera
            : ImageSource.gallery,
        imageQuality: 50,
      );
      if (result == null) return;
      file = MatrixFile(
        bytes: await result.readAsBytes(),
        name: result.path,
      );
    } else {
      final picked = await selectFiles(
        context,
        allowMultiple: false,
        type: FileSelectorType.images,
      );
      final pickedFile = picked.firstOrNull;
      if (pickedFile == null) return;
      file = MatrixFile(
        bytes: await pickedFile.readAsBytes(),
        name: pickedFile.name,
      );
    }
    await showFutureLoadingDialog(
      context: context,
      future: () => room!.setAvatar(file),
    );
  }

  static const fixedWidth = 360.0;

  @override
  // #Pangea
  Widget build(BuildContext context) => PangeaChatDetailsView(this);
  // Widget build(BuildContext context) => ChatDetailsView(this);
  // Pangea#

  // #Pangea
  void downloadChatAction() async {
    if (roomId == null) return;
    final Room? room = Matrix.of(context).client.getRoomById(roomId!);
    if (room == null) return;

    final type = await showModalActionPopup(
      context: context,
      title: L10n.of(context).downloadGroupText,
      actions: [
        AdaptiveModalAction(
          value: DownloadType.csv,
          label: L10n.of(context).downloadCSVFile,
        ),
        AdaptiveModalAction(
          value: DownloadType.txt,
          label: L10n.of(context).downloadTxtFile,
        ),
        AdaptiveModalAction(
          value: DownloadType.xlsx,
          label: L10n.of(context).downloadXLSXFile,
        ),
      ],
    );
    if (type == null) return;
    downloadChat(room, type, context);
  }

  Future<void> setBotOptions(BotOptionsModel botOptions) async {
    if (roomId == null) return;
    final Room? room = Matrix.of(context).client.getRoomById(roomId!);
    if (room == null) return;

    try {
      await Matrix.of(context).client.setRoomStateWithKey(
            room.id,
            PangeaEventTypes.botOptions,
            '',
            botOptions.toJson(),
          );
    } catch (err, stack) {
      debugger(when: kDebugMode);
      ErrorHandler.logError(
        e: err,
        s: stack,
        data: {
          "botOptions": botOptions.toJson(),
          "roomID": room.id,
        },
      );
    }
  }

  Future<void> setRoomCapacity() async {
    if (roomId == null) return;
    final Room? room = Matrix.of(context).client.getRoomById(roomId!);
    if (room == null) return;

    final input = await showTextInputDialog(
      context: context,
      title: L10n.of(context).chatCapacity,
      message: L10n.of(context).chatCapacityExplanation,
      okLabel: L10n.of(context).ok,
      cancelLabel: L10n.of(context).cancel,
      initialText: ((room.capacity != null) ? '${room.capacity}' : ''),
      keyboardType: TextInputType.number,
      maxLength: 3,
      validator: (value) {
        if (value.isEmpty ||
            int.tryParse(value) == null ||
            int.parse(value) < 0) {
          return L10n.of(context).enterNumber;
        }
        if (int.parse(value) < (room.summary.mJoinedMemberCount ?? 1)) {
          return L10n.of(context).chatCapacitySetTooLow;
        }
        return null;
      },
    );
    if (input == null || input.isEmpty || int.tryParse(input) == null) {
      return;
    }

    final newCapacity = int.parse(input);
    final success = await showFutureLoadingDialog(
      context: context,
      future: () => room.updateRoomCapacity(newCapacity),
    );
    if (success.error == null) {
      ScaffoldMessenger.of(context).showSnackBar(
        SnackBar(
          content: Text(L10n.of(context).chatCapacityHasBeenChanged),
        ),
      );
      setState(() {});
    }
  }

  Future<void> addSubspace() async {
    final names = await showTextInputDialog(
      context: context,
      title: L10n.of(context).createNewSpace,
      hintText: L10n.of(context).spaceName,
      minLines: 1,
      maxLines: 1,
      maxLength: 64,
      validator: (text) {
        if (text.isEmpty) {
          return L10n.of(context).pleaseChoose;
        }
        return null;
      },
      okLabel: L10n.of(context).create,
      cancelLabel: L10n.of(context).cancel,
    );
    if (names == null) return;
    final client = Matrix.of(context).client;
    await showFutureLoadingDialog(
      context: context,
      future: () async {
        final activeSpace = client.getRoomById(roomId!)!;
        await activeSpace.postLoad();
        final accessCode = await SpaceCodeUtil.generateSpaceCode(client);

        final resp = await client.createRoom(
          name: names,
          visibility: RoomDefaults.spaceChildVisibility,
          creationContent: {'type': 'm.space'},
          initialState: [
            RoomDefaults.defaultSpacePowerLevels(client.userID!),
            StateEvent(
              type: EventTypes.RoomJoinRules,
              content: {
                'join_rule': 'knock_restricted',
                'allow': [
                  {
                    "type": "m.room_membership",
                    "room_id": roomId!,
                  }
                ],
                ModelKey.accessCode: accessCode,
              },
            ),
          ],
        );
        await activeSpace.addToSpace(resp);
      },
    );
  }
  // Pangea#
}