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";
@Injectable()
export class AutoRenderResolver implements Resolve<orderViewModel>{
    private http: HttpClient;
    constructor(@Inject(HttpClient) _http: HttpClient) {
        this.http = _http;
    }
    private ngUnsubscribe: Subject<any> = new Subject();
    ngOnDestroy(): any {
        this.ngUnsubscribe.next();
        this.ngUnsubscribe.complete();
    }


    resolve(route: ActivatedRouteSnapshot, state: RouterStateSnapshot): any | Observable<any> | Promise<any> {
        console.log(route);
        var promise = new Promise<any>((fres, rej) => {
            if (route.params["id"] == 'new') {
                fres({})
                return;
            }


            this.http.get<any>(`api/Objects/${route.params["object"]}/${route.params["id"]}`).takeUntil(this.ngUnsubscribe).subscribe(res => {
                var mod: any = res;

                fres(mod)

            });
        })
        return promise;
    }
    

}

@Injectable()
export class NewOrderResolver implements Resolve<orderViewModel>,OnDestroy{
    private http: HttpClient;
    constructor(@Inject(HttpClient) _http: HttpClient) {
        this.http = _http;
    }
    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<orderViewModel>((fres, rej) => {

            this.http.get<orderViewModel>(`/dyapi/Order/${route.params["ordertype"]}`).takeUntil(this.ngUnsubscribe).subscribe(res => {
                var mod: orderViewModel = res;
                mod.IsNew = true;
                fres(mod)

            });
        })
        return promise;
    }

}