import { Injectable } from '@angular/core';
import { IMessage, MessageAttachmentSource, MessageEntity, MessageEntitySchema,  } from '../../../../../core/chat/entity/message';
import { AttachmentLocalDataSource } from "src/app/module/chat/data/repository/attachment/attachment-local-repository.service";
import { z } from 'zod';
import { v4 as uuidv4 } from 'uuid';
import { InstanceId } from '../../chat-service.service';
import { createBlobFromBase64, createDataURL } from 'src/app/utils/ToBase64';
import { zodSafeValidation } from 'src/app/utils/zodValidation';
import { Logger } from 'src/app/services/logger/main/service';
import { err, Result } from 'neverthrow';
import { MessageMapper } from '../../mapper/messageMapper';
import { RoomType } from "src/app/core/chat/entity/group";
import { TracingType, XTracerAsync } from 'src/app/services/monitoring/opentelemetry/tracer';
import { MemberListLocalRepository } from 'src/app/module/chat/data/repository/member/member-list-local-repository.service'
import { SessionStore } from 'src/app/store/session.service';
import { MessageTable } from 'src/app/infra/database/dexie/instance/chat/schema/message';
import { MessageAttachmentFileType, MessageOutPutDataDTO } from 'src/app/core/chat/repository/dto/messageOutputDTO';
import { IMessageLocalRepository } from 'src/app/core/chat/repository/message/message-local-repository';
import { IMessageSocketRepository } from 'src/app/core/chat/repository/message/message-socket-repository';
import { IMemberLocalRepository } from 'src/app/core/chat/repository/member/member-local-repository';
import { IAttachmentLocalRepository } from 'src/app/core/chat/repository/typing/typing-local-repository';
import { base64Schema } from 'src/app/utils/zod';


export const MessageInputDTOSchema = z.object({
  roomId: z.string().uuid().optional(),
  receiverId: z.number().optional(),
  senderId: z.number(),
  message: z.string().nullable().optional(),
  messageType: z.number(),
  canEdit: z.boolean(),
  oneShot: z.boolean(),
  requireUnlock: z.boolean(),
  requestId: z.string(),
  attachment: z.object({
    fileType: z.nativeEnum(MessageAttachmentFileType),
    source: z.nativeEnum(MessageAttachmentSource),
    file: base64Schema.optional(),
    fileName: z.string().optional(),
    applicationId: z.number().optional(),
    docId: z.number().optional(),
    mimeType: z.string().optional(),
    description: z.string().optional()
  }).optional()
});
export type MessageInputDTO = z.infer<typeof MessageInputDTOSchema>



export const MessageCreatePutDataDTOSchema = z.object({
  id: z.string(),
  roomId: z.string(),
  sender: z.object({
    wxUserId: z.number(),
    wxFullName: z.string(),
    wxeMail: z.string(),
    userPhoto: z.string().optional()
  }),
  message: z.string().nullable().optional(),
  messageType: z.number(),
  sentAt: z.string(),
  canEdit: z.boolean(),
  oneShot: z.boolean(),
  requireUnlock: z.boolean(),
  requestId: z.string().optional().nullable(),
  reactions: z.object({
    id: z.string(),
    reactedAt: z.string(),
    reaction: z.string(),
    sender: z.object({}),
  }).array(),
  info: z.array(z.object({
    memberId: z.number(),
    readAt: z.string().nullable(),
    deliverAt: z.string().nullable()
  })),
  attachments: z.array(z.object({
    fileType: z.nativeEnum(MessageAttachmentFileType),
    source: z.nativeEnum(MessageAttachmentSource),
    file: z.string().optional(),
    fileName: z.string().optional(),
    applicationId: z.number().optional(),
    docId: z.string().optional(),
    id: z.string().optional()
  }))
});

export type MessageCreateOutPutDataDTO = z.infer<typeof MessageCreatePutDataDTOSchema>

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

  constructor(
    private AttachmentLocalRepositoryService: IAttachmentLocalRepository,
    private messageLocalDataSourceService: IMessageLocalRepository,
    private messageSocketRepositoryService: IMessageSocketRepository,
    private MemberListLocalRepository: IMemberLocalRepository
  ) { }


  @XTracerAsync({name:'MessageCreateUseCaseService', module:'chat',  bugPrint: true, waitNThrow: 5000})
  async execute(message: IMessage, messageEnum: RoomType, tracing?: TracingType) {

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

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

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

      const createMessageLocally = await this.messageLocalDataSourceService.insert(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,
                base64: 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

        let sendMessageResult: Result<MessageOutPutDataDTO, any>
        if(messageEnum == RoomType.Group) {
          const DTO = MessageMapper.fromDomain(message, message.requestId)
          sendMessageResult = await this.messageSocketRepositoryService.sendGroupMessage(DTO)
        } else {

          if(message.receiverId) {
            const DTO = MessageMapper.fromDomain(message, message.requestId)
            sendMessageResult = await this.messageSocketRepositoryService.sendDirectMessage(DTO)
          } else {
            const getRoomMembers = await this.MemberListLocalRepository.directMember({
              roomId:message.roomId,
              currentUserId: SessionStore.user.UserId
            })
            if(getRoomMembers.isOk()) {
              message.receiverId = getRoomMembers.value.wxUserId
              const DTO = MessageMapper.fromDomain(message, message.requestId)
              sendMessageResult = await this.messageSocketRepositoryService.sendGroupMessage(DTO)
            } else {
              console.log('not found direct users', getRoomMembers.error)
            }
          }


        }

        // return this sendMessageResult

        if(sendMessageResult.isOk()) {

          console.log('sendMessageResult', sendMessageResult.value.id)

          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}).then((data)=> {
            if(data.isOk()) {

            } else {
              tracing.hasError('failed to update send message')
              console.log(sendMessageResult)
              console.log(data.error)
            }
          })

          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 {
        Logger.error('failed to insert locally', {
          error: createMessageLocally.error.message
        })
      }
    } else {

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

    }

  }
}