import { Injectable } from '@angular/core';
import { HttpClient } from '@angular/common/http';
import { Observable } from 'rxjs';
import { ApiConfigService } from '../../../core/services/api-config.service';
import {
  Payee1099ListItem, Payee1099, SavePayee1099Request,
} from '../models/payee1099.model';

@Injectable({ providedIn: 'root' })
export class Payee1099ApiService {
  private readonly endpoint: string;

  constructor(private http: HttpClient, apiConfig: ApiConfigService) {
    this.endpoint = apiConfig.getApiUrl('payee-1099');
  }

  getAll(includeInactive = false): Observable<Payee1099ListItem[]> {
    return this.http.get<Payee1099ListItem[]>(this.endpoint, {
      params: { includeInactive: String(includeInactive) },
    });
  }

  getById(id: number): Observable<Payee1099> {
    return this.http.get<Payee1099>(`${this.endpoint}/${id}`);
  }

  create(req: SavePayee1099Request): Observable<{ id: number }> {
    return this.http.post<{ id: number }>(this.endpoint, req);
  }

  update(id: number, req: SavePayee1099Request): Observable<void> {
    return this.http.put<void>(`${this.endpoint}/${id}`, req);
  }

  delete(id: number): Observable<void> {
    return this.http.delete<void>(`${this.endpoint}/${id}`);
  }

  revealTin(id: number): Observable<{ tin: string | null }> {
    return this.http.get<{ tin: string | null }>(`${this.endpoint}/${id}/tin`);
  }

  uploadW9(id: number, file: File): Observable<void> {
    const form = new FormData();
    form.append('file', file);
    return this.http.post<void>(`${this.endpoint}/${id}/w9`, form);
  }

  /**
   * Fetches the stored W-9 as a Blob via HttpClient so the auth interceptor attaches
   * the JWT. A plain window.open on the API URL would be an unauthenticated browser
   * navigation and the API's permission gate would reject it.
   */
  downloadW9(id: number): Observable<Blob> {
    return this.http.get(`${this.endpoint}/${id}/w9`, { responseType: 'blob' });
  }
}