import { Injectable } from '@angular/core';
import { HttpClient } from '@angular/common/http';
import { environment } from '../../environments/environment';
import { Observable } from 'rxjs';

@Injectable({
  providedIn: 'root'
})
export class ItemService {
  constructor(private httpClient: HttpClient) {
  }

  isItemExists(item): Promise<any> {
    return this.httpClient.get(`${environment.apiUrl}/api/v1/items/item_name/${item}`).toPromise();
  }
  isSliderExists(slider): Promise<any> {
    return this.httpClient.get(`${environment.apiUrl}/api/v1/home_slider/home_slider_name/${slider}`).toPromise();
  }

  getAllItems() {
    return this.httpClient.get(`${environment.apiUrl}/api/v1/items`);
  }
  getAllSelectedCategoryItems(categoryName) {
    return this.httpClient.get(`${environment.apiUrl}/api/v1/items/itemCategories/${categoryName}`);
  }

  getAllCustomerItems(){
    return  this.httpClient.get(`${environment.apiUrl}/api/v1/items/allCustomers`);
  }

/*   getCustomerItemsfromStorage() {
    let customerItems;
    if (typeof (Storage) !== 'undefined') {
      customerItems = JSON.parse(localStorage.getItem('customerItems'));
    } else {
      console.log('localstorage is not supported so reading directly from server.');
      customerItems = this.getAllCustomerItems()['data']['items'] as any[];
    }
    return customerItems;
  } */

  async getHomePageItems(userLoggedIn : boolean,location_id?: number) {
    if(userLoggedIn)
      return this.httpClient.get(`${environment.apiUrl}/api/v1/items/customers/homepageItems/location/${location_id}`).toPromise();
    else
      return this.httpClient.get(`${environment.apiUrl}/api/v1/items/customers/homepageItems/location/defaultlocation`).toPromise();

  }

  getNonkeyandpromoitems(location_id: number)  {
      return this.httpClient.get(`${environment.apiUrl}/api/v1/items/customers/nonkeyandpromoitems/location/${location_id}`); 
   }

  /* converts variant with is_displayed as true to is_default as true and makes the already is_default true variant to is_ddefault as false
    returns all the such variants with is_displayed true */
  getSeparateItemsBasedOnVariantIsDisplayed(itemsToDisplay) {
    let variantItemsWithDisplay = [];
    for(let customerItem of itemsToDisplay){
      for(let variant of customerItem.variants){
          if(variant.is_default != true) {
            let item = JSON.parse(JSON.stringify(customerItem));
            item.variants.find((temp_variant) => { if(temp_variant.is_default === true) { temp_variant.is_default = false; return true; }});
            if(item){
              item.variants.find((temp_variant) => { if(temp_variant.variant_id === variant.variant_id ) { temp_variant.is_default = true; return true}});
              variantItemsWithDisplay.push(item);
            }
          }
      } 
    }
    return variantItemsWithDisplay;
  }

  async getCustomerItems() {
    return await this.httpClient.get(`${environment.apiUrl}/api/v1/items/customers`).toPromise();
  }

  async getAllCustomerItemVariantsPriceDetails(): Promise<any> {
    return await this.httpClient.get(`${environment.apiUrl}/api/v1/items/customers/prices`).toPromise();
  }
  
  async getCustomerItemsLastUpdatedDates(): Promise<any> {
    return await this.httpClient.get(`${environment.apiUrl}/api/v1/items/customers/lastUpdatedDate`).toPromise();
  }

  addItem(newItem) {
    return this.httpClient.post(`${environment.apiUrl}/api/v1/items`, newItem);
  }

  addItemWithVariantDetails(newItemWithVariantDetails) {
    return this.httpClient.post(`${environment.apiUrl}/api/v1/items/addItemWithVariantDetails`, newItemWithVariantDetails);
  }

  getProduct(productId) {
    return this.httpClient.get(`${environment.apiUrl}/api/v1/items/customers/${productId}`)
  }

  getTeamItems(){
    return this.httpClient.get(`${environment.apiUrl}/api/v1/items/teams`);
  }

  getItems(customerStateValue){
    if(customerStateValue === 1){
      return this.getAllCustomerItems();
    }else{
      return this.getTeamItems();
    }
  }

  markAsKeyItem(form){
    return this.httpClient.put(`${environment.apiUrl}/api/v1/items/markAsKeyItem`, form);
  }

  markAsPromoItem(form){
    return this.httpClient.put(`${environment.apiUrl}/api/v1/items/markAsPromoItem`, form);
  }

  updateItemAvailability(form){
    return this.httpClient.put(`${environment.apiUrl}/api/v1/items/updateItemAvailability`, form);
  }

  updateItemActiveStatus(form){
    return this.httpClient.put(`${environment.apiUrl}/api/v1/items/updateItemActiveStatus`, form);
  }

  updateItemImages(form){
    return this.httpClient.put(`${environment.apiUrl}/api/v1/items/updateItemImages`, form);
  }

  updateItemDetails(form){
    return this.httpClient.put(`${environment.apiUrl}/api/v1/items/updateItemDetails`, form);
  }
}