import {Injectable} from '@angular/core';
import {URLSearchParams } from '@angular/http';
import {Http, Response} from '@angular/http';
import {Observable}     from 'rxjs/Observable';
// import {Claim}           from '../claim';
import 'rxjs/add/observable/of';
import 'rxjs/add/operator/do';
import 'rxjs/add/operator/share';
import { CustomOptions } from './customOptions.class';
@Injectable()
export class ClaimsService {
  constructor(private http: Http ) {
  }

  private getClaimRequest(size : number, page : number, url :string, fromCache:boolean):any {
    console.info('ClaimsService: Claims request: '+url);
    let key = url;
       return this.http.get(url, CustomOptions.getAuthOptions())
                    .map(request => <any> request.json())
                    .do(request => console.info("Get claims: offset = "+(size*(page-1)) + " limit ="+size ))
                    .catch(this.handleError);
  }
  getClaims( size : number, page : number, keyword:string, sortby: string, descending: boolean, types: string, apiUrl:string):any {
    console.info('ClaimsService: getClaims     ' );
    console.info('ClaimsService: Types : '+types );
    let url = apiUrl +"claims"+"?offset="+(size*(page-1) + "&limit="+size)+"&keyword="+keyword+"&sortby="+sortby+"&descending="+descending+"&"+types;
     return this.getClaimRequest(size,page,url,true);

  }
  getClaimsByUser( size : number, page : number, user:string, keyword:string, sortby: string, descending: boolean, types: string, apiUrl:string):any {
    console.info('ClaimsService: getClaims for user : '+user);
    let url = apiUrl +"users/claims"+"?offset="+(size*(page-1) + "&limit="+size)+"&keyword="+keyword+"&sortby="+sortby+"&descending="+descending+"&"+types;
     return this.getClaimRequest(size,page,url,false);

  }
  getClaimsBycontext( size : number, page : number, contextId:string, keyword:string, sortby: string, descending: boolean, types: string , apiUrl:string):any {
    console.info('ClaimsService: getClaims for context : '+contextId);
    let url = apiUrl +"contexts/"+contextId+"/claims"+"?offset="+(size*(page-1) + "&limit="+size)+"&keyword="+keyword+"&sortby="+sortby+"&descending="+descending+"&"+types;
     return this.getClaimRequest(size,page,url,true);

  }
  getClaimsByResult( size : number, page : number, resultId:string, keyword:string, sortby: string, descending: boolean, types: string, apiUrl:string ):any {
    console.info('ClaimsService: getClaims for result : '+resultId);
    let url = apiUrl +"results/"+resultId+"/claims"+"?offset="+(size*(page-1) + "&limit="+size)+"&keyword="+keyword+"&sortby="+sortby+"&descending="+descending+"&"+types;
     return this.getClaimRequest(size,page,url,true);

  }
  getClaimsByProject( size : number, page : number, projectId:string, keyword:string, sortby: string, descending: boolean, types: string, apiUrl:string ):any {
    console.info('ClaimsService: getClaims for project : '+projectId);
    let url = apiUrl +"projects/"+projectId+"/claims"+"?offset="+(size*(page-1) + "&limit="+size)+"&keyword="+keyword+"&sortby="+sortby+"&descending="+descending+"&"+types;
     return this.getClaimRequest(size,page,url,true);
  }

  deleteClaimById(claimId:string , apiUrl:string):any{
    console.warn('Trying to delete claim with id : '+claimId);
    let url = apiUrl +"claims/"+claimId;
    // let headers = new Headers({ 'Content-Type': 'application/json' });
    // let options = new RequestOptions({ headers: headers });
      return this.http.delete( url,  CustomOptions.getAuthOptionsWithBody()).map(request => <any> request.json())
      // .do(request => console.info("After delete" ))
      .catch(this.handleError);

  }
  deleteBulk(claimIds:string[], apiUrl:string):any{

    console.warn('Trying to delete claims with ids : '+claimIds);
     var url = "";

    for(var claimId of claimIds){
      url=url+(url.length >0 ?"&":"")+"claimId="+claimId;
    }
    url= apiUrl +"claims/bulk?"+url;

    // let headers = new Headers({ 'Content-Type': 'application/json' });
    // let options = new RequestOptions({ headers: headers });
      return this.http.delete( url,  CustomOptions.getAuthOptions()).map(request => <any> request.json())
      // .do(request => console.info("After delete" ))
      .catch(this.handleError);

  }
  insertBulkClaims(claims, apiUrl:string):any{
    console.warn('Trying toinsert claims  : '+claims);
    let url = apiUrl +"claims/bulk";
    let body = JSON.stringify( claims );
    console.warn('Json body:  : '+body);
    // let headers = new Headers({ 'Content-Type': 'application/json' });
    // let options = new RequestOptions({ headers: headers });
    return this.http.post(url, body,  CustomOptions.getAuthOptionsWithBody())
                          .map(res => res.json())
                          .do(request => console.info("Insert Response:"+request.status) )
                          .catch(this.handleError);

    }
  insertClaim(claim, apiUrl:string):any{
    console.warn('Trying toinsert claim  : '+claim);
   let url = apiUrl +"claims";
          let body = JSON.stringify( claim );
          // let headers = new Headers({ 'Content-Type': 'application/json' });
          // let options = new RequestOptions({ headers: headers });
          return this.http.post(url, body,  CustomOptions.getAuthOptionsWithBody())
                          .map(res => res.json())
                          .do(request => console.info("Insert Response:"+request.status) )
                          .catch(this.handleError);

    }
    insertDirectRecords(records, apiUrl:string):any{
      console.warn('Trying to feedrecords  : '+records);
      let url = apiUrl +"feed/bulk";
      let body = JSON.stringify( records );
      console.warn('Json body:  : '+body);
      // let headers = new Headers({ 'Content-Type': 'application/json' });
      // let options = new RequestOptions({ headers: headers });
      return this.http.post(url, body, CustomOptions.getAuthOptionsWithBody())
                            .map(res => res.json())
                            .do(request => console.info("Insert Response:"+request) )
                            .catch(this.handleError);

      }
  private handleError (error: Response) {
    // in a real world app, we may send the error to some remote logging infrastructure
    // instead of just logging it to the console
    console.log(error);
    return Observable.throw(error  || 'Server error');
  }

  getClaim(id:string, apiUrl:string):any {
  let url = apiUrl+"claims/"+id;
      return new Promise((resolve, reject) => {
        this.http.get(url)
          .map(res => res.json())
          .subscribe(
            data => {
              resolve(data.data);
            },
            err => {
              reject(err);
            }
          )
        ;
      });
      }


}