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 CommonGridResolver implements Resolve<CommonGridModel>,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): CommonGridModel | Observable<CommonGridModel> | Promise<CommonGridModel> {
        console.log(route);
        var promise = new Promise<CommonGridModel>((fres, rej) => {

            var path = route.params["category"]
            var subcat = route.params["subcategory"];
            if (subcat != undefined ) {
                path += "/" + subcat;
            }


            this.http.get<CommonGridModel>(`/dyapi/grid/${path}`).takeUntil(this.ngUnsubscribe).subscribe(res => {
                var mod: CommonGridModel = res;
                mod.objectName = path.split('/')[0];
                fres(mod)
                //this.grid.initDataSource();
            });
        })
        return promise;
    }

}


@Injectable()
export class TaskGridResolver implements Resolve<CommonGridModel>, 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): CommonGridModel | Observable<CommonGridModel> | Promise<CommonGridModel> {
        console.log(route);
        var promise = new Promise<CommonGridModel>((fres, rej) => {

            var path = "Task"
            var subcat = route.params["subcategory"];
            if (subcat != undefined) {
                path += "/" + subcat;
            }


            this.http.get<CommonGridModel>(`/dyapi/grid/${path}`).takeUntil(this.ngUnsubscribe).subscribe(res => {
                var mod: CommonGridModel = res;
                mod.objectName = path.split('/')[0];
                fres(mod)
                //this.grid.initDataSource();
            });
        })
        return promise;
    }

}