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'
import { Coupons } from '../../core/products/Coupons';
import { DiscountTypes } from '../../core/products/DiscountTypes';

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

  private GetCoupons = global.serverBase + '/api/Products/GetCoupons';
  private GetDiscountTypes = global.serverBase + '/api/Products/GetDiscountTypes';
  private SetUsageLimits = global.serverBase + '/api/Products/CreateCouponUsageLimits';
  private CreateCategoriesOfProduct = global.serverBase + '/api/Products/CreateCategoriesOfCoupons';
  private CreateCouponCode = global.serverBase + '/api/Products/CreateCouponCode';
  private CopyCoupon = global.serverBase + '/api/Products/CopyCoupons';
  private DeleteCouponById = global.serverBase + '/api/Products/DeleteCoupons';
  private SetShippingDetails = global.serverBase + '/api/Products/CreateShippingDetails';

  constructor(private http: Http) { }

  // Get all coupons
  GetAllCoupons(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.GetCoupons, { params: options })
      // tslint:disable-next-line:no-angle-bracket-type-assertion
      .map((response: Response) => <Coupons[]>response.json())
      .catch(this.handleError);

  }

  // Get dicount types

  GetAllDiscountTypes(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.GetDiscountTypes, { params: options })
      // tslint:disable-next-line:no-angle-bracket-type-assertion
      .map((response: Response) => <DiscountTypes[]>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 coupons
  CreateCategoriesOfCoupons(categoryOfCoupon, 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.CreateCategoriesOfProduct, categoryOfCoupon, options)
      // tslint:disable-next-line:no-angle-bracket-type-assertion
      .map((response: Response) => <any[]>response.json())
      .catch(this.handleError);

  }

  // Save coupon 
  SaveCouponCodes(coupons, 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.CreateCouponCode, coupons, options)
      // tslint:disable-next-line:no-angle-bracket-type-assertion
      .map((response: Response) => <Coupons[]>response.json())
      .catch(this.handleError);

  }

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

  }

  // Delete coupon code
  DeleteCouponCode(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.DeleteCouponById, { 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);
  }
}