import { BehaviorSubject, Subject } from 'rxjs';
import { ColorCode, Message, ReportStatus, ConnectionAttribute, ConnectionRequest, ConnectionState, MessageLog } from '../interfaces/general.interface';
import { GrpcServiceMethod } from './grpc.service.method';
import { FisRetransmissionService } from './fis.retransmission.service';
import { BufferService } from './buffer.service';
import * as dotenv from 'dotenv'
dotenv.config()

export class ServerClientManager {

    private connectionAttributes: ConnectionAttribute[] = []
    private request: ConnectionRequest | any

    constructor(private grpcService: GrpcServiceMethod) {
    }

    // putting it here for later use. to be used for testing
    public restartServerInDuration(time: number) {
        console.log(this.request)
        console.log(this.connectionAttributes)
        this.grpcService.shutDownServer().then((msg: string) => {
            console.log(msg)
            setTimeout(() => {
                this.generateConnection(this.request)
            }, time * 1000)
        })

    }

    public generateConnection(request: ConnectionRequest) {
        this.request = request
        let database: string
        if (request.database) {
            database = request.database
        } else {
            database = request.server.name + request.client.name
        }
        /* Inject retransmission here */
        let initialReport: ConnectionState = { status: 'BUFFER' }
        let reportSubject: BehaviorSubject<ConnectionState> = new BehaviorSubject(initialReport)
        let retransmission: BufferService = new BufferService(request.server.messageToBePublishedFromApplication, reportSubject, database)
        // let initialReport: ReportStatus = { code: ColorCode.RED, message: 'Initialization of the subject' }
        // let reportSubject: BehaviorSubject<ReportStatus> = new BehaviorSubject(initialReport)
        // let retransmission: FisRetransmissionService = new FisRetransmissionService(database, reportSubject)
        // let messageToBePublished: Subject<Message> = retransmission.handleMessage(request.server.messageToBePublishedFromApplication) ?? request.server.messageToBePublishedFromApplication

        let connectionAttribute: ConnectionAttribute = {
            ConnectionID: {
                local: '',
                remote: ''
            },
            outGoing: {
                MessageToBePublished: retransmission.getMessages(),
                MessageToBeReceived: null
            },
            inComing: {
                MessageToBePublished: null,
                MessageToBeReceived: request.client.messageToBeReceivedFromRemote
            },
            connectionStatus: reportSubject
        }

        // This is default connection
        if (!request.server.connectionType) {
            request.server.connectionType = 'GRPC'
        }
        // For each connection type:
        if (request.server.connectionType == 'GRPC') {
            this.grpcService.create(request, connectionAttribute)
            this.connectionAttributes.push(connectionAttribute)
        }
    }

}