import { Injectable } from '@angular/core';
import { HttpClient } from '@angular/common/http';

import { Observable } from 'rxjs';

import { Store } from '@ngrx/store';
import { Client } from '../../client/models/client.model';
import { CustomerInvoiceSetting } from '@app/invoices/models/customer-invoice-setting.model';

@Injectable()
export class ClientService {

  private readonly clientURL = '/clients';

  constructor(
    private store: Store<{}>,
    private http: HttpClient
  ) {
  }

  loadClients(options?: LoadClientOps): Observable<Client[]> {
    return this.http.post<Client[]>(this.clientURL + '/search', options);
  }

  getClient(id: string): Observable<Client> {
    return this.http.get<Client>(`${this.clientURL}/${id}`);
  }

  getClientWithInvoiceSetting(options?: LoadClientOps): Observable<ClientWithSetting[]> {
    return this.http.post<ClientWithSetting[]>(`${this.clientURL}/searchWithSettings`, options);
  }

  saveClient(client: Client): Observable<Client> {
    return client._id !== '0' ? this.updateClient(client) : this.createClient(client);
  }

  private createClient(client: Client): Observable<Client> {
    return this.http.post<Client>(this.clientURL, client);
  }

  private updateClient(client: Client): Observable<Client> {
    return this.http.put<Client>(`${this.clientURL}/${client._id}`, client);
  }

  deleteClient(client: Client): Observable<Client> {
    return this.http.delete<Client>(`${this.clientURL}/${client._id}`);
  }

  searchWithSettings(byPuid: string): Observable<Client[]> {
    return this.http.post<Client[]>(`${this.clientURL}/searchWithSettings`, { byPuid });
  }
}

export interface LoadClientOps {
  byPuid: string;
}

export interface ClientWithSetting extends Client {
  invoiceSettings: CustomerInvoiceSetting;
}