import { Injectable } from '@angular/core';
import * as global from '../../core/common';
import { Http, RequestOptions, URLSearchParams, Response } from '@angular/http';
import 'rxjs/add/operator/do';
import 'rxjs/add/operator/catch';
import 'rxjs/add/operator/map';
import 'rxjs/add/observable/throw';
import { Observable, throwError } from 'rxjs'

@Injectable({
  providedIn: 'root'
})
export class QuantityDiscountService {

  private GetQuantityDiscount = global.serverBase + '/api/QuantityDiscount/GetQuantityDiscount';
  private CopyQuantityDisc = global.serverBase + '/api/QuantityDiscount/CopyQuantityDiscount';
  private SetUsageLimits = global.serverBase + '/api/QuantityDiscount/CreateQuantityDiscountUsageLimits';
  private CreateCategoriesOfQuantity = global.serverBase + '/api/QuantityDiscount/CreateCategoriesOfQuantityDiscount';
  private SetQuantityDiscount = global.serverBase + '/api/QuantityDiscount/CreateQuantityDiscount';
  private DeleteQuantityDiscountById = global.serverBase + '/api/QuantityDiscount/DeleteQuantiyDiscount';
  private SetShippingDetails = global.serverBase + '/api/QuantityDiscount/CreateShippingDetails';

  constructor(private http: Http) { }

  // Get all quantity discounts
  GetAllQuantityDiscounts(companyId: number, actionType: string = "All") {
    const myparams = new URLSearchParams();
    myparams.append('companyId', companyId.toString());
    myparams.append('actionType', actionType);

    const options = myparams.toString();

    return this.http.get(this.GetQuantityDiscount, { params: options })
      // tslint:disable-next-line:no-angle-bracket-type-assertion
      .map((response: Response) => <any[]>response.json())
      .catch(this.handleError);

  }

  // Copy quantity discounts
  CopyQuantityDiscount(id: number, companyId: number, actionType: string = "COPY") {
    const myparams = new URLSearchParams();
    myparams.append('id', id.toString());
    myparams.append('companyId', companyId.toString());
    myparams.append('actionType', actionType);

    const options = myparams.toString();

    return this.http.get(this.CopyQuantityDisc, { params: options })
      // tslint:disable-next-line:no-angle-bracket-type-assertion
      .map((response: Response) => <any[]>response.json())
      .catch(this.handleError);

  }

  // Save usage limits 
  SaveUsageLimits(usageLimits, companyId: number, actionType: string = "SET") {
    const myparams = new URLSearchParams();
    myparams.append('companyId', companyId.toString());
    myparams.append('actionType', actionType);

    let options = new RequestOptions({ params: myparams });

    return this.http.post(this.SetUsageLimits, usageLimits, options)
      // tslint:disable-next-line:no-angle-bracket-type-assertion
      .map((response: Response) => <any[]>response.json())
      .catch(this.handleError);

  }

  // Create categories of quantity discount
  CreateCategoriesOfQuantityDiscount(categoryOfQuantity, companyId: number, actionType: string = "SET") {
    const myparams = new URLSearchParams();
    myparams.append('companyId', companyId.toString());
    myparams.append('actionType', actionType.toString());

    let options = new RequestOptions({ params: myparams });

    return this.http.post(this.CreateCategoriesOfQuantity, categoryOfQuantity, options)
      // tslint:disable-next-line:no-angle-bracket-type-assertion
      .map((response: Response) => <any[]>response.json())
      .catch(this.handleError);

  }

  // Save quantity discount 
  SaveQuantityDiscount(quantity, companyId: number, actionType: string) {
    const myparams = new URLSearchParams();
    myparams.append('companyId', companyId.toString());
    myparams.append('actionType', actionType);

    let options = new RequestOptions({ params: myparams });

    return this.http.post(this.SetQuantityDiscount, quantity, options )
      // tslint:disable-next-line:no-angle-bracket-type-assertion
      .map((response: Response) => <any[]>response.json())
      .catch(this.handleError);

  }

  // Delete quantity discounts
  DeleteQuantityDiscount(id: number, companyId: number, actionType: string = "DELETE") {
    const myparams = new URLSearchParams();
    myparams.append('id', id.toString());
    myparams.append('companyId', companyId.toString());
    myparams.append('actionType', actionType);

    const options = myparams.toString();

    return this.http.delete(this.DeleteQuantityDiscountById, { params: options })
      // tslint:disable-next-line:no-angle-bracket-type-assertion
      .map((response: Response) => <any[]>response.json())
      .catch(this.handleError);

  }

   // Save shipping details 
   SaveShippingDetails(shipping, companyId: number, actionType: string) {
    const myparams = new URLSearchParams();
    myparams.append('companyId', companyId.toString());
    myparams.append('actionType', actionType);

    let options = new RequestOptions({ params: myparams });

    return this.http.post(this.SetShippingDetails, shipping, options )
      // tslint:disable-next-line:no-angle-bracket-type-assertion
      .map((response: Response) => <any[]>response.json())
      .catch(this.handleError);

  }

  private handleError(error): Observable<any> {
    const message = error.statusText || 'Server error';
    return throwError(error);
  }
}