import { Observable, map, Subject, takeUntil, take } from "rxjs";
import { BaseMessage } from "../dependencies/fisappmessagejsutilty/dependencies/dependencies";
import { LogSetting } from "../dependencies/fisloggingservice/type/datatype";
import { AcknowledgementService } from "../services/acknowledgement.service";
import { IncomingMessageService } from "../services/incomingMessage.service";
import { MessageSyncrhonizationService } from "../services/synchronization.service";
import { MessageSynchronisationServiceSetting } from "../type/datatype";
import { StreamingService } from "./test-streamOBS";


/* Pre - Defined Data && Settings */
const stream = new StreamingService()
// Declare source Services && Observables (Using File Storage) Simulating Full Logs
const source_synchronize = new MessageSyncrhonizationService()
const source_payload: Observable<BaseMessage> = stream.stream()
const source_incoming = new IncomingMessageService()
const source_acknowledge = new AcknowledgementService()
const source_payload_string = source_payload.pipe(
    map((data) => {
        return JSON.stringify(data);
    })
)

// Declare target Services && Observables (Using MongoDB Storage) Simlluating Partial Logs
const target_payload: Observable<BaseMessage> = stream.stream().pipe(take(2))
const target_payload_subject: Subject<BaseMessage> = new Subject();
target_payload.subscribe(
    {
        next: (data) => {
            target_payload_subject.next(data)
        }
    }
)
const target_incoming = new IncomingMessageService()
const target_syncrhonize = new MessageSyncrhonizationService()
const target_acknowledge = new AcknowledgementService()
const target_payload_string = target_payload.pipe(
    map((data) => {
        return JSON.stringify(data);
    }),
)

// Decalre Source Storage
let source_storage: LogSetting = {
    storage: "File",
    setting: {
        appName: 'Default from client',
        appLocName: 'To be generated in client',
        logLocName: 'To be generated in client',
    }
}

let source_dataSet: LogSetting & { incomingObservable: Observable<BaseMessage> } = {
    storage: source_storage.storage,
    setting: source_storage.setting,
    customSetting: source_storage.customSetting,
    incomingObservable: source_payload
}

//Declare Target Storage
let target_storage: LogSetting = {
    storage: "MongoDB",
    setting: {
        appName: 'Default from client',
        appLocName: 'To be generated in client',
        logLocName: 'To be generated in client',
    },
    customSetting: {
        srv: true,
        user: "testDB",
        password: "h1nt1OyXw6QeUnzS",
        server: "cluster0.29sklte.mongodb.net",
        collection: "log",
    }
}
let target_dataSet: LogSetting & { incomingObservable: Observable<BaseMessage> } = {
    storage: target_storage.storage,
    setting: target_storage.setting,
    customSetting: target_storage.customSetting,
    incomingObservable: target_payload
}

// Combine source and target storage to form MessageSynchronisationServiceSetting
let settings: MessageSynchronisationServiceSetting = {
    incomingSource: {
        //all of the settings to be combined here
        ...source_storage,
        tags: ['Incoming']
    }, //LogSetting & {tags:string[] },   
    target: {
        ...target_storage,
        tags: ['Incoming']
    }  //LogSetting & {tags:string[] }  
}

/* -------- SYNCHRONIZATION --------- */
function initializeData() {
    source_incoming.init(source_dataSet)
    target_incoming.init(target_dataSet)
}

/*  Type 1 synchronization */
/* Please note that this operation assumes that there's already existing data in the designated storage place. It still cannot perform real-time live streaming dynamically
when there is a streaming occuring.  */
source_synchronize.init(settings).then(() => {
    source_synchronize.subscribe(source_payload_string).then((data) => {
        data.subscribe({
            next: data => {
                console.log(`Here's the missing data to be synchronized to target`)
                console.log(data.appData.msgId)
                target_payload_subject.next(data)
            }
        })
    })
})

/*  Run this code to pluck some data into the database. 4 in File storage and 2 in Mongo */
// initializeData()