doneit-web/src/app/module/chat/domain/use-case/message-create-use-case.service.ts

import { Injectable } from '@angular/core';
import { MessageEntity, MessageEntitySchema,  } from '../entity/message';
import { AttachmentLocalDataSource } from "src/app/module/chat/data/repository/attachment-local-repository.service";
import { z } from 'zod';
import { v4 as uuidv4 } from 'uuid';
import { InstanceId } from '../chat-service.service';
import { createDataURL } from 'src/app/utils/ToBase64';
import { zodSafeValidation } from 'src/app/utils/zodValidation';
import { Logger } from 'src/app/services/logger/main/service';
import { MessageAttachmentSource, MessageOutPutDataDTO } from '../../data/dto/message/messageOutputDTO';
import { MessageLocalDataSourceService } from '../../data/repository/message/message-local-data-source.service';
import { MessageSocketRepositoryService } from '../../data/repository/message/message-live-signalr-data-source.service';
import { err, Result } from 'neverthrow';
import { MessageTable } from '../../infra/database/dexie/schema/message';
import { MessageMapper } from '../mapper/messageMapper';
import { SignalRService } from '../../infra/socket/signal-r.service';
import { RoomType } from "src/app/module/chat/domain/entity/group";


const MessageInputUseCaseSchema = z.object({
  memberId: z.number(),
  roomId: z.string(),
  message: z.string()
})

export enum MessageEnum {
  Direct = 1,
  group = 2
}

export type MessageInputUseCase = z.infer< typeof MessageInputUseCaseSchema>

@Injectable({
  providedIn: 'root'
})
export class MessageCreateUseCaseService {

  constructor(
    private AttachmentLocalRepositoryService: AttachmentLocalDataSource,
    private messageLocalDataSourceService: MessageLocalDataSourceService,
    private messageLiveSignalRDataSourceService: SignalRService,
    private messageSocketRepositoryService: MessageSocketRepositoryService
  ) { }


  async execute(message: MessageEntity, messageEnum: RoomType) {

    const validation = zodSafeValidation<MessageEntity>(MessageEntitySchema, message)

    if(validation.isOk()) {
      message.sendAttemp++;

      message.requestId = InstanceId +'@'+ uuidv4();


      const createMessageLocally = await this.messageLocalDataSourceService.sendMessage(message)

      if(createMessageLocally.isOk()) {

        message.$id = createMessageLocally.value

        if(message.hasAttachment) {

          for (const attachment of message.attachments) {

            if(attachment.source != MessageAttachmentSource.Webtrix) {

              this.AttachmentLocalRepositoryService.insert({
                $messageId: createMessageLocally.value,
                file: createDataURL(attachment.file, attachment.mimeType),
                fileType: attachment.fileType,
                source: attachment.source,
                fileName: attachment.fileName,
                applicationId: attachment.applicationId,
                docId: attachment.docId,
                mimeType: attachment.mimeType,
              }).then((e) => {
                if(e.isErr()) {
                  Logger.error('failed to create attachment locally on send message', {
                    error: e.error,
                    data: createDataURL(attachment.file, attachment.mimeType).slice(0, 100) +'...'
                  })
                }

              })

              attachment.safeFile = createDataURL(attachment.file, attachment.mimeType)
            }
          }

        }

        //====================
        message.sending = true

        const DTO = MessageMapper.fromDomain(message, message.requestId)

        let sendMessageResult: Result<MessageOutPutDataDTO, any>
        if(messageEnum == RoomType.Group) {
          sendMessageResult = await this.messageLiveSignalRDataSourceService.sendMessage<MessageOutPutDataDTO>(DTO)
        } else {
          sendMessageResult = await this.messageSocketRepositoryService.sendDirectMessage(DTO)
        }
        
        // return this sendMessageResult

        if(sendMessageResult.isOk()) {

          if(sendMessageResult.value.sender == undefined || sendMessageResult.value.sender == null) {

            delete sendMessageResult.value.sender
          }

          let clone: MessageTable = {
            ...sendMessageResult.value,
            id: sendMessageResult.value.id,
            $id : message.$id
          }

          this.messageLocalDataSourceService.update(message.$id, {...clone, sending: false, roomId: message.roomId})

          return sendMessageResult
        } else {
          Logger.error('failed to send message to the server', {
            error: sendMessageResult.error
          })
          await this.messageLocalDataSourceService.update(message.$id, {sending: false, $id: message.$id})
          return err('no connection')
        }
        
      }
    } else {

      if(validation.error.formErrors.fieldErrors.attachments) {
        Logger.error('failed to send message doe to invalid attachment', {
          zodErrorList: validation.error.errors,
          data: message.attachments
        })
      }

    }

  }
}