import { HttpClient , HttpHeaders, HttpParams } from '@angular/common/http';
import { TokenService, TokenProvider } from './login/token.service'
import 'rxjs/Rx';


declare var X2JS: any;

export class RestBase {

    xml2jsonOBJ: any;

    static get parameters() { return [HttpClient, TokenService] }

    constructor(public http : HttpClient, public tokenService : TokenService) {
        this.xml2jsonOBJ = new X2JS();
    }
    
    /*
    */
    protocol: string = "http";
    hostname: string = "dl043.madgik.di.uoa.gr";
    port: number = 8080;
    webappname: string = "";
    restpath: string = "";

/*
    protocol: string = "http";
    hostname: string = "dl010.madgik.di.uoa.gr";
    port: number = 8080;
    webappname: string = "dmp-backend";
    restpath: string = "rest";
*/




    loginPath : string = this.protocol+"://"+this.hostname+":"+this.port+"/"+this.webappname+"/login/";
    restPath: string = this.protocol+"://"+this.hostname+":"+this.port+"/"+this.webappname+"/"+this.restpath+"/";
    

    public login(path : string, data : any){
        let options = { headers: new HttpHeaders().set('Content-Type', 'application/json') };
        return this.http.post<any>(this.loginPath + path, JSON.stringify(data), options);
    }

    public get(path : string, params? : any){
        var options = this.createOptions(params);
        return this.http.get<any>(this.restPath + path, options);
    }


    public post(path : string, data : any, params? : any){
        var options = this.createOptions(params);
        return this.http.post<any>(this.restPath + path, JSON.stringify(data), options);
    }



    private createOptions(parameters : any){
        var token = this.tokenService.getToken();
        var provider: TokenProvider = this.tokenService.getProvider();
        var csrfToken : string = this.tokenService.getCSRFToken();

        var params = new HttpParams();

        if(parameters != null){
            Object.entries(parameters).forEach( entry => {
                params = params.set(entry[0], entry[1]);
            });
        }

        var headers;
        if(provider == TokenProvider.google)
            headers =  new HttpHeaders().set('Content-Type', 'application/json').set('X-CSRF-Token', csrfToken).set("google-token", token);
        if(provider == TokenProvider.native)
            headers =  new HttpHeaders().set('Content-Type', 'application/json').set('X-CSRF-Token', csrfToken).set("native-token", token);
        let options = { params: params, headers: headers };
        return options;
    }
    

    
}