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 { APViewModel } from "../Interfaces/APViewModel";
import { DyCommon } from "../Common";
@Injectable()
export class APResolver implements Resolve<APViewModel>, 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): APViewModel | Observable<APViewModel> | Promise<APViewModel> {
        console.log(route);
        var promise = new Promise<APViewModel>((fres, rej) => {

            if (route.params["id"] == undefined) {
                DyCommon.newGuid().then((id) => {
                    var ap: APViewModel = { ap: { vendor: {}, paymentTerm: {}, id: id, accountsPayableAllocations: [] } };
                    // ContactResolver.setupContact(cont);
                    fres(ap);
                })
            }

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

                APResolver.checkDefaults(mod);
                //ContactResolver.setupContact(mod);
                // res.contact.recordTypeId = <any>res.contact.recordTypeId.split(",");
                fres(mod)

            });
        })
        return promise;
    }

    public static checkDefaults = (mod: APViewModel) => {
        if (mod.ap.vendor == undefined) {
            mod.ap.vendor = {};
        }
        if (mod.ap.paymentTerm == undefined) {
            mod.ap.paymentTerm = {};
        }
        if (mod.ap.accountsPayableAllocations == undefined) {
            mod.ap.accountsPayableAllocations = [];
        }

        mod.ap.accountsPayableAllocations.forEach((item) => {

            if (item.amount != undefined) {
                item.amount = item.amount.toString();
            }
            if (item.location == null) {
                item.location = {};
            }
            if (item.chartOfAccount == null) {
                item.chartOfAccount = {};
            }

        })

    }

}