import { IDTOMapper } from './IDTOMapper';
import { RemoteDialogDTO } from '../../../dto/dialog/RemoteDialogDTO';
import { DialogType } from '../../../../Domain/entity/DialogTypes';
import {
  INCORRECT_DATA_MAPPER_DTO_EXCEPTION_CODE,
  INCORRECT_DATA_MAPPER_DTO_EXCEPTION_MESSAGE,
  MapperDTOException,
} from '../../exception/MapperDTOException';
import {
  QBChatDialogType,
  QBUIKitChatDialog,
} from '../../../../CommonTypes/CommonTypes';

type DtoValidator<T> = {
  [key in keyof T]: (v: unknown) => v is T[key];
};

export class DialogDTOMapper implements IDTOMapper {
  private readonly currentUserId: number;

  constructor(currentUserId: number) {
    this.currentUserId = currentUserId;
  }

  // eslint-disable-next-line class-methods-use-this
  fromDTO<TArg, TResult>(dto: TArg): Promise<TResult> {
    const dialogDTO: RemoteDialogDTO = dto as unknown as RemoteDialogDTO;

    try {
      DialogDTOMapper.validateDTO(dialogDTO);
    } catch (e) {
      console.log('MAPPER DTO ERROR for dto: ', JSON.stringify(dialogDTO));
    }
    const dialog: QBUIKitChatDialog = {
      _id: dialogDTO.id,
      created_at: '',
      last_message: DialogDTOMapper.formatLastMessageText(
        dialogDTO.lastMessageText,
      ),
      last_message_date_sent: dialogDTO.lastMessageDateSent,
      last_message_id: null,
      last_message_user_id: dialogDTO.lastMessageUserId,
      name: dialogDTO.name,
      occupants_ids: dialogDTO.participantsIds,
      new_occupants_ids: dialogDTO.newParticipantsIds
        ? dialogDTO.newParticipantsIds
        : [],
      photo: dialogDTO.photo !== '' ? dialogDTO.photo : null,
      type: dialogDTO.type as QBChatDialogType,
      unread_messages_count: dialogDTO.unreadMessageCount,
      updated_at: dialogDTO.updatedAt,
      user_id: parseInt(dialogDTO.ownerId, 10),
      xmpp_room_jid: null,
      is_join_required: dialogDTO.is_join_required,
    };

    return Promise.resolve(dialog as TResult);
  }

  // eslint-disable-next-line class-methods-use-this
  toTDO<TArg, TResult>(qbEntity: TArg): Promise<TResult> {
    const qbDialog: QBUIKitChatDialog =
      qbEntity as unknown as QBUIKitChatDialog;

    try {
      DialogDTOMapper.validateQBChatDialog(qbDialog);
    } catch (e) {
      console.log('MAPPER DTO ERROR for qbDialog: ', JSON.stringify(qbDialog));
    }
    const dto: RemoteDialogDTO = new RemoteDialogDTO();

    try {
      dto.id = qbDialog._id;
      dto.lastMessageId = qbDialog.last_message_id || '';
      dto.lastMessageText = qbDialog.last_message as string;
      dto.lastMessageDateSent = qbDialog.last_message_date_sent || 0;
      dto.lastMessageUserId =
        qbDialog.last_message_user_id === null
          ? 0
          : // eslint-disable-next-line @typescript-eslint/no-unsafe-call
            qbDialog.last_message_user_id;
      // eslint-disable-next-line @typescript-eslint/no-unsafe-call
      dto.ownerId = qbDialog.user_id.toString();
      dto.type = qbDialog.type as number;
      dto.unreadMessageCount =
        qbDialog.unread_messages_count === null
          ? 0
          : qbDialog.unread_messages_count;
      dto.updatedAt = qbDialog.updated_at;
      // eslint-disable-next-line @typescript-eslint/no-unsafe-call
      dto.participantId = qbDialog.user_id.toString();
      dto.name = qbDialog.name;
      dto.photo = qbDialog.photo === null ? '' : qbDialog.photo;
      dto.participantsIds = qbDialog.occupants_ids;
      dto.newParticipantsIds = qbDialog.new_occupants_ids;

      switch (qbDialog.type) {
        case DialogType.private:
          // eslint-disable-next-line no-case-declarations
          const interlocutorId = dto.participantsIds.find(
            (p) => p !== this.currentUserId,
          ); // ;

          dto.participantId = interlocutorId
            ? interlocutorId.toString()
            : // eslint-disable-next-line @typescript-eslint/no-unsafe-call
              qbDialog.user_id.toString();
          dto.id = qbDialog._id;
          dto.lastMessageText = qbDialog.last_message as string;
          dto.lastMessageDateSent = qbDialog.last_message_date_sent || 0;
          dto.lastMessageUserId =
            qbDialog.last_message_user_id === null
              ? 0
              : // eslint-disable-next-line @typescript-eslint/no-unsafe-call
                qbDialog.last_message_user_id;
          // eslint-disable-next-line @typescript-eslint/no-unsafe-call
          dto.ownerId = qbDialog.user_id.toString();
          dto.type = qbDialog.type;
          dto.unreadMessageCount =
            qbDialog.unread_messages_count === null
              ? 0
              : qbDialog.unread_messages_count;
          dto.updatedAt = qbDialog.updated_at;
          break;
        case DialogType.public:
          dto.id = qbDialog._id;
          dto.lastMessageText = qbDialog.last_message as string;
          dto.lastMessageDateSent = qbDialog.last_message_date_sent || 0;
          dto.lastMessageUserId =
            qbDialog.last_message_user_id === null
              ? 0
              : // eslint-disable-next-line @typescript-eslint/no-unsafe-call
                qbDialog.last_message_user_id;
          // eslint-disable-next-line @typescript-eslint/no-unsafe-call
          dto.ownerId = qbDialog.user_id.toString();
          dto.type = qbDialog.type;
          dto.unreadMessageCount =
            qbDialog.unread_messages_count === null
              ? 0
              : qbDialog.unread_messages_count;
          dto.updatedAt = qbDialog.updated_at;
          // eslint-disable-next-line @typescript-eslint/no-unsafe-call
          dto.participantId = qbDialog.user_id.toString();
          dto.name = qbDialog.name;
          dto.photo = qbDialog.photo === null ? '' : qbDialog.photo;
          break;
        case DialogType.group:
          dto.id = qbDialog._id;
          dto.lastMessageText = qbDialog.last_message as string;
          dto.lastMessageDateSent = qbDialog.last_message_date_sent || 0;
          dto.lastMessageUserId =
            qbDialog.last_message_user_id === null
              ? 0
              : // eslint-disable-next-line @typescript-eslint/no-unsafe-call
                qbDialog.last_message_user_id;
          // eslint-disable-next-line @typescript-eslint/no-unsafe-call
          dto.ownerId = qbDialog.user_id.toString();
          dto.type = qbDialog.type;
          dto.unreadMessageCount =
            qbDialog.unread_messages_count === null
              ? 0
              : qbDialog.unread_messages_count;
          dto.updatedAt = qbDialog.updated_at;
          dto.name = qbDialog.name;
          dto.photo = qbDialog.photo === null ? '' : qbDialog.photo;
          dto.participantsIds = qbDialog.occupants_ids;
          break;
        default:
          dto.id = qbDialog._id;
          dto.lastMessageText = qbDialog.last_message as string;
          dto.lastMessageDateSent = qbDialog.last_message_date_sent || 0;
          dto.lastMessageUserId =
            qbDialog.last_message_user_id === null
              ? 0
              : // eslint-disable-next-line @typescript-eslint/no-unsafe-call
              qbDialog.last_message_user_id;
          // eslint-disable-next-line @typescript-eslint/no-unsafe-call
          dto.ownerId = qbDialog.user_id.toString();
          dto.type = qbDialog.type;
          dto.unreadMessageCount =
            qbDialog.unread_messages_count === null
              ? 0
              : qbDialog.unread_messages_count;
          dto.updatedAt = qbDialog.updated_at;
          dto.name = qbDialog.name;
          dto.photo = qbDialog.photo === null ? '' : qbDialog.photo;
          dto.participantsIds = qbDialog.occupants_ids;
          // return Promise.reject(
          //   new MapperDTOException(
          //     UNEXPECTED_MAPPER_DTO_EXCEPTION_MESSAGE,
          //     UNEXPECTED_MAPPER_DTO_EXCEPTION_EXCEPTION_CODE,
          //     'undefined type dialog in QBChatDialog',
          //   ),
          // );
      }
    } catch (e) {
      console.log('MAPPER DTO ERROR for dto: ', JSON.stringify(dto));
    }

    return Promise.resolve(dto as unknown as TResult);
  }

  private static validateDTO(dto: RemoteDialogDTO) {
    const dialogDTOValidator: DtoValidator<RemoteDialogDTO> = {
      id(v: unknown): v is RemoteDialogDTO['id'] {
        const { id } = v as RemoteDialogDTO;

        return id !== undefined && id !== null;
      },
      lastMessageDateSent(
        v: unknown,
      ): v is RemoteDialogDTO['lastMessageDateSent'] {
        const { lastMessageDateSent } = v as RemoteDialogDTO;

        return (
          lastMessageDateSent !== undefined && lastMessageDateSent !== null
        );
      },
      lastMessageText(v: unknown): v is RemoteDialogDTO['lastMessageText'] {
        const { lastMessageText } = v as RemoteDialogDTO;

        return lastMessageText !== undefined && lastMessageText !== null;
      },
      lastMessageUserId(v: unknown): v is RemoteDialogDTO['lastMessageUserId'] {
        const { lastMessageUserId } = v as RemoteDialogDTO;

        return lastMessageUserId !== undefined && lastMessageUserId !== null;
      },
      lastMessageId(v: unknown): v is RemoteDialogDTO['lastMessageId'] {
        const { lastMessageId } = v as RemoteDialogDTO;

        return lastMessageId !== undefined && lastMessageId !== null;
      },
      name(v: unknown): v is RemoteDialogDTO['name'] {
        const { name } = v as RemoteDialogDTO;

        return name !== undefined && name !== null;
      },
      ownerId(v: unknown): v is RemoteDialogDTO['ownerId'] {
        const { ownerId } = v as RemoteDialogDTO;

        return ownerId !== undefined && ownerId !== null;
      },
      participantId(v: unknown): v is RemoteDialogDTO['participantId'] {
        const { participantId } = v as RemoteDialogDTO;

        return participantId !== undefined && participantId !== null;
      },
      participantsIds(v: unknown): v is RemoteDialogDTO['participantsIds'] {
        const { participantsIds } = v as RemoteDialogDTO;

        return participantsIds !== undefined && participantsIds !== null;
      },
      photo(v: unknown): v is RemoteDialogDTO['photo'] {
        const { photo } = v as RemoteDialogDTO;

        return photo !== undefined && photo !== null;
      },
      type(v: unknown): v is RemoteDialogDTO['type'] {
        const { type } = v as RemoteDialogDTO;

        return type !== undefined && type !== null;
      },
      unreadMessageCount(
        v: unknown,
      ): v is RemoteDialogDTO['unreadMessageCount'] {
        const { unreadMessageCount } = v as RemoteDialogDTO;

        return unreadMessageCount !== undefined && unreadMessageCount !== null;
      },
      updatedAt(v: unknown): v is RemoteDialogDTO['updatedAt'] {
        const { updatedAt } = v as RemoteDialogDTO;

        return updatedAt !== undefined && updatedAt !== null;
      },
      is_join_required(v: unknown): v is RemoteDialogDTO['is_join_required'] {
        // eslint-disable-next-line @typescript-eslint/no-unused-vars
        const { is_join_required } = v as RemoteDialogDTO;

        return true;
      },
    };

    if (!dialogDTOValidator.id(dto))
      throw new MapperDTOException(
        INCORRECT_DATA_MAPPER_DTO_EXCEPTION_MESSAGE,
        INCORRECT_DATA_MAPPER_DTO_EXCEPTION_CODE,
        'field {id} does not exist or empty',
      );
    if (!dialogDTOValidator.lastMessageText(dto))
      throw new MapperDTOException(
        INCORRECT_DATA_MAPPER_DTO_EXCEPTION_MESSAGE,
        INCORRECT_DATA_MAPPER_DTO_EXCEPTION_CODE,
        'field {lastMessage} does not exist or empty',
      );
    if (!dialogDTOValidator.ownerId(dto))
      throw new MapperDTOException(
        INCORRECT_DATA_MAPPER_DTO_EXCEPTION_MESSAGE,
        INCORRECT_DATA_MAPPER_DTO_EXCEPTION_CODE,
        'field {ownerId} does not exist or empty',
      );
    if (!dialogDTOValidator.type(dto))
      throw new MapperDTOException(
        INCORRECT_DATA_MAPPER_DTO_EXCEPTION_MESSAGE,
        INCORRECT_DATA_MAPPER_DTO_EXCEPTION_CODE,
        'field {type} does not exist or empty',
      );
    if (!dialogDTOValidator.unreadMessageCount(dto))
      throw new MapperDTOException(
        INCORRECT_DATA_MAPPER_DTO_EXCEPTION_MESSAGE,
        INCORRECT_DATA_MAPPER_DTO_EXCEPTION_CODE,
        'field {unreadMessageCount} does not exist or empty',
      );
    if (!dialogDTOValidator.updatedAt(dto))
      throw new MapperDTOException(
        INCORRECT_DATA_MAPPER_DTO_EXCEPTION_MESSAGE,
        INCORRECT_DATA_MAPPER_DTO_EXCEPTION_CODE,
        'field {updatedAt} does not exist or empty',
      );
    if (!dialogDTOValidator.name(dto))
      throw new MapperDTOException(
        INCORRECT_DATA_MAPPER_DTO_EXCEPTION_MESSAGE,
        INCORRECT_DATA_MAPPER_DTO_EXCEPTION_CODE,
        'field {name} does not exist or empty',
      );
    if (!dialogDTOValidator.photo(dto))
      throw new MapperDTOException(
        INCORRECT_DATA_MAPPER_DTO_EXCEPTION_MESSAGE,
        INCORRECT_DATA_MAPPER_DTO_EXCEPTION_CODE,
        'field {photo} does not exist or empty',
      );
  }

  // eslint-disable-next-line @typescript-eslint/no-unused-vars
  private static validateQBChatDialog(qbDialog: QBUIKitChatDialog) {
    const qbDialogValidator: DtoValidator<QBUIKitChatDialog> = {
      _id(v: unknown): v is QBUIKitChatDialog['_id'] {
        const { _id } = v as QBUIKitChatDialog;

        return _id !== undefined && _id !== null;
      },
      created_at(v: unknown): v is QBUIKitChatDialog['created_at'] {
        const { created_at } = v as QBUIKitChatDialog;

        return created_at !== undefined && created_at !== null;
      },
      data(v: unknown): v is QBUIKitChatDialog['data'] {
        const { data } = v as QBUIKitChatDialog;

        return data !== undefined && data !== null;
      },
      joined(v: unknown): v is QBUIKitChatDialog['joined'] {
        const { joined } = v as QBUIKitChatDialog;

        return joined !== undefined && joined !== null;
      },
      last_message(v: unknown): v is QBUIKitChatDialog['last_message'] {
        // eslint-disable-next-line @typescript-eslint/no-unused-vars
        const { last_message } = v as QBUIKitChatDialog;

        // return last_message !== undefined && last_message !== null;
        return true;
      },
      last_message_date_sent(
        v: unknown,
      ): v is QBUIKitChatDialog['last_message_date_sent'] {
        const { last_message_date_sent } = v as QBUIKitChatDialog;

        return (
          last_message_date_sent !== undefined &&
          last_message_date_sent !== null
        );
      },
      last_message_id(v: unknown): v is QBUIKitChatDialog['last_message_id'] {
        const { last_message_id } = v as QBUIKitChatDialog;

        return last_message_id !== undefined && last_message_id !== null;
      },
      last_message_user_id(
        v: unknown,
      ): v is QBUIKitChatDialog['last_message_user_id'] {
        const { last_message_user_id } = v as QBUIKitChatDialog;

        return (
          last_message_user_id !== undefined && last_message_user_id !== null
        );
      },
      name(v: unknown): v is QBUIKitChatDialog['name'] {
        const { name } = v as QBUIKitChatDialog;

        return name !== undefined && name !== null;
      },
      occupants_ids(v: unknown): v is QBUIKitChatDialog['occupants_ids'] {
        const { occupants_ids } = v as QBUIKitChatDialog;

        return occupants_ids !== undefined && occupants_ids !== null;
      },
      new_occupants_ids(
        v: unknown,
      ): v is QBUIKitChatDialog['new_occupants_ids'] {
        const { new_occupants_ids } = v as QBUIKitChatDialog;

        return new_occupants_ids !== undefined && new_occupants_ids !== null;
      },
      photo(v: unknown): v is QBUIKitChatDialog['photo'] {
        const { photo } = v as QBUIKitChatDialog;

        return photo !== undefined && photo !== null;
      },
      type(v: unknown): v is QBUIKitChatDialog['type'] {
        const { type } = v as QBUIKitChatDialog;

        return type !== undefined && type !== null;
      },
      unread_messages_count(
        v: unknown,
      ): v is QBUIKitChatDialog['unread_messages_count'] {
        const { unread_messages_count } = v as QBUIKitChatDialog;

        return (
          unread_messages_count !== undefined && unread_messages_count !== null
        );
      },
      updated_at(v: unknown): v is QBUIKitChatDialog['updated_at'] {
        const { updated_at } = v as QBUIKitChatDialog;

        return updated_at !== undefined && updated_at !== null;
      },
      user_id(v: unknown): v is QBUIKitChatDialog['user_id'] {
        const { user_id } = v as QBUIKitChatDialog;

        return user_id !== undefined && user_id !== null;
      },
      xmpp_room_jid(v: unknown): v is QBUIKitChatDialog['xmpp_room_jid'] {
        const { xmpp_room_jid } = v as QBUIKitChatDialog;

        return xmpp_room_jid !== undefined && xmpp_room_jid !== null;
      },
      is_join_required(v: unknown): v is RemoteDialogDTO['is_join_required'] {
        // eslint-disable-next-line @typescript-eslint/no-unused-vars
        const { is_join_required } = v as RemoteDialogDTO;

        return true;
      },
    };

    if (!qbDialogValidator._id(qbDialog))
      throw new MapperDTOException(
        INCORRECT_DATA_MAPPER_DTO_EXCEPTION_MESSAGE,
        INCORRECT_DATA_MAPPER_DTO_EXCEPTION_CODE,
        'field {id} does not exist or empty',
      );
    if (!qbDialogValidator.last_message(qbDialog)) {
      console.log(
        'last_message is does not exist or empty. qbDialog: ',
        JSON.stringify(qbDialog),
      );
      throw new MapperDTOException(
        INCORRECT_DATA_MAPPER_DTO_EXCEPTION_MESSAGE,
        INCORRECT_DATA_MAPPER_DTO_EXCEPTION_CODE,
        'field {lastMessage} does not exist or empty',
      );
    }

    if (!qbDialogValidator.user_id(qbDialog))
      throw new MapperDTOException(
        INCORRECT_DATA_MAPPER_DTO_EXCEPTION_MESSAGE,
        INCORRECT_DATA_MAPPER_DTO_EXCEPTION_CODE,
        'field {user_id} does not exist or empty',
      );
  }

  private static formatLastMessageText(lastMessageText: string) {
    if (lastMessageText.includes('[Forwarded_Message]')) {
      return 'Forwarded message';
    }
    if (lastMessageText.includes('[Replied_Message]')) {
      return 'Replied Message';
    }

    return lastMessageText;
  }
}