import { Injectable } from '@angular/core';
import { Http, Headers, Response, RequestOptions } from "@angular/http";
import 'rxjs/Rx';
import { Observable } from "rxjs";
import { TfabricaUserData } from '../models/tfabrica.userdata.model';
import { TfabricaLog } from '../models/tfabrica.log.model';
import { TfabricaSharedService } from '../main/tfabrica.shared.service';

@Injectable()
export class TfabricaLogService {

    constructor(
        private _http: Http,
        private _shared: TfabricaSharedService
    ) { }

    public AddLog(log: TfabricaLog) {
        this.AddLogService(log)
            .subscribe(result => {
                console.log(result);
            },
            err => {
                console.log(err);
            });
    }

    public AddLogService(log: TfabricaLog): Observable<boolean> {
        let that = this;
        let urlToCall = this._shared.appSettings.getlogApiUrl();
        console.log("Start call service: " + urlToCall);

        let username = "";
        try {
            username = this._shared.getUser().username;
        } catch (Err) { }

        let logComplete = {
            user: username,
            operation: log.operation,
            description: log.description,
            message: log.message,
            isError: !log.success,
            app: this._shared.appSettings.appName
        };
        
        let bodyString = JSON.stringify(logComplete);
        let headers = new Headers({ 'Content-Type': 'application/json' }); // ... Set content type to JSON
        let options = new RequestOptions({ headers: headers }); // Create a request option

        return this._http.post(urlToCall, bodyString, options) 
            .map((res: Response) => {
                let response = res.json();
                console.log(response);
                return response;
            }) // ...and calling .json() on the response to return data
            .catch((error: any) => Observable.throw(error.json().error || 'Server error')); //...errors if any
    }

}