import { map, Observable, of, tap } from "rxjs";
import { BaseMessage, Command, ResponseMessage, Uuid } from "../dependencies/fisappmessagejsutilty/interface/export"
import { LoggingService } from "../dependencies/fisloggingservice/services/logging-service";
import { LogSetting, MessageLog } from "../dependencies/fisloggingservice/type/datatype";
import { IncomingMessageServiceInterface } from "../type/datatype";
import { AcknowledgementService } from "./acknowledgement.service";

export class IncomingMessageService implements IncomingMessageServiceInterface {

    constructor(private logService?: LoggingService, private acknowledgeService?: AcknowledgementService) {
        this.logService = new LoggingService()
    }

    private settings: LogSetting & { incomingObservable: Observable<BaseMessage>; } = {
        storage: '',
        setting: {
            appId: undefined,
            appName: '',
            logLocName: '',
            logLocId: undefined,
            appLogLocId: undefined,
            appLocName: '',
            appLogId: undefined
        },
        incomingObservable: null
    }

    public init(settings: LogSetting & { incomingObservable: Observable<BaseMessage>; }): void {

        let newSetting: any = settings
        newSetting.setting = {
            ...this.settings.setting,
            ...settings.setting,
            customSetting:{ 
                ...this.settings.customSetting,
                ...settings.customSetting,
            }
        }

        this.settings = newSetting

        // Transform incoming observables into Observable<MessageLog> to be logged
        let transformedOBS: Observable<MessageLog> = settings.incomingObservable.pipe(
            map(message => {
                let finalResponse: MessageLog = {
                    appLogLocId: new Uuid().generateId(),
                    appData: {
                        msgId: message.header.messageID || new Uuid().generateId(),
                        msgLogDateTime: new Date(),
                        msgDateTime: new Date(),
                        msgTag: ['Incoming'],
                        msgPayload: JSON.stringify(message)
                    }
                }
                return finalResponse
            }
            )
        )

        /* Trying new promise chaining structure */
        this.logService.init(this.settings).then(() => {
            this.logService.subscribe(transformedOBS)
        }).catch((e) => console.error(e))


    }
}