import {Controller, HTTPError, json} from '@extollo/lib'
import {Inject, Injectable} from '@extollo/di'
import {User} from '../../../../models/User.model'
import {ServerSentRequest} from '../../../../models/ServerSentRequest.model'
import {HTTPStatus} from "@extollo/util";

/**
 * Relay Controller
 */
@Injectable()
export class Relay extends Controller {
    @Inject()
    protected readonly user!: User

    public async getRequestQueue() {
        const requests = await ServerSentRequest.query<ServerSentRequest>()
            .where('serviced', '=', false)
            .where('user_id', '=', this.user.key())
            .orderByAscending((new ServerSentRequest()).keyName())
            .get()
            .map(request => request.toObject())

        return json(requests.toArray())
    }

    public async serviceRequest() {
        const required = ['server_request_id', 'response_data']
        for ( const field of required ) {
            if ( !this.request.input(field) ) {
                throw new HTTPError(HTTPStatus.http400, `Missing field: ${field}`)
            }
        }

        const request = await ServerSentRequest.query<ServerSentRequest>()
            .where('serviced', '=', false)
            .where((new ServerSentRequest()).keyName(), '=', this.request.input('server_request_id'))
            .first()

        if ( !request ) {
            throw new HTTPError(HTTPStatus.http404, 'Invalid request ID.')
        }

        request.serviced = true
        request.responseData = this.request.input('response_data')
        await request.save()
    }
}