import { Resolve, ActivatedRouteSnapshot, RouterStateSnapshot } from "@angular/Router"
import { Injectable,Inject, OnDestroy } from "@angular/core";
import { HttpClient } from "@angular/Common/http";
import { Observable, Subject } from "rxjs";
import { ObjectService } from "./ObjectService";
import { DyCommon } from "../Common";
@Injectable()
export class POResolver implements Resolve<any>,OnDestroy{
    private http: HttpClient;
    private OService:ObjectService
    constructor(@Inject(HttpClient) _http: HttpClient,@Inject(ObjectService) _osvc) {
        this.http = _http;
        this.OService = _osvc;
    }

    private ngUnsubscribe: Subject<any> = new Subject();
    ngOnDestroy(): any {
        this.ngUnsubscribe.next();
        this.ngUnsubscribe.complete();
    }
    resolve(route: ActivatedRouteSnapshot, state: RouterStateSnapshot): orderViewModel | Observable<orderViewModel> | Promise<orderViewModel> {
        console.log(route);
        var promise = new Promise<any>((fres, rej) => {

            if (route.params["id"] != 'new') {
                this.http.get(`bbapi/PurchaseOrder/${route.params["id"]}`).takeUntil(this.ngUnsubscribe).subscribe(res => {


                    fres(res);

                });
            }
            else {
                this.http.get(`bbapi/PurchaseOrder/new`).takeUntil(this.ngUnsubscribe).subscribe(res => {


                    fres(res);

                });
            }
        })
        return promise;
    }

}

@Injectable()
export class POCartResolver implements Resolve<any>, OnDestroy {
    private http: HttpClient;
    private OService: ObjectService
    constructor(@Inject(HttpClient) _http: HttpClient, @Inject(ObjectService) _osvc) {
        this.http = _http;
        this.OService = _osvc;
    }

    private ngUnsubscribe: Subject<any> = new Subject();
    ngOnDestroy(): any {
        this.ngUnsubscribe.next();
        this.ngUnsubscribe.complete();
    }
    resolve(route: ActivatedRouteSnapshot, state: RouterStateSnapshot): orderViewModel | Observable<orderViewModel> | Promise<orderViewModel> {
        console.log(route);
        var promise = new Promise<any>((fres, rej) => {

            this.http.get(`bbapi/PurchaseOrder/cart/${route.params["id"]}/${route.params["vendorId"]}`).takeUntil(this.ngUnsubscribe).subscribe(res => {
                

                fres(res);

            });

        });
        return promise;
    }

}