import { Injectable, inject } from '@angular/core';
import { HttpClient, HttpParams } from '@angular/common/http';
import { Observable } from 'rxjs';

import { getAppConfig } from './app-config.service';
import {
  MobileBuildCreatePayload,
  MobileBuildDefaults,
  MobileBuildPreflightResult,
  MobileBuildRequest,
  ThemeStatus,
} from '../interfaces/mobile-build';

@Injectable({
  providedIn: 'root',
})
export class MobileBuildService {
  private http = inject(HttpClient);
  private baseUrl = `${getAppConfig().apiBaseUrl}/api/mobile-builds`;

  getDefaults(): Observable<MobileBuildDefaults> {
    return this.http.get<MobileBuildDefaults>(`${this.baseUrl}/defaults`);
  }

  listRequests(): Observable<MobileBuildRequest[]> {
    return this.http.get<MobileBuildRequest[]>(`${this.baseUrl}/requests`);
  }

  getRequest(id: number): Observable<MobileBuildRequest> {
    return this.http.get<MobileBuildRequest>(`${this.baseUrl}/requests/${id}`);
  }

  createRequest(payload: MobileBuildCreatePayload): Observable<MobileBuildRequest> {
    return this.http.post<MobileBuildRequest>(`${this.baseUrl}/requests`, payload);
  }

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

  uploadFile(
    requestId: number,
    platform: 'android' | 'ios',
    fileKind: string,
    file: File,
  ): Observable<{ platform: string; file_kind: string; display_name: string; sha256: string; size: number }> {
    const form = new FormData();
    form.append('file', file);
    const params = new HttpParams()
      .set('platform', platform)
      .set('file_kind', fileKind);

    return this.http.post<{ platform: string; file_kind: string; display_name: string; sha256: string; size: number }>(
      `${this.baseUrl}/requests/${requestId}/files`,
      form,
      { params },
    );
  }

  preflight(requestId: number): Observable<MobileBuildPreflightResult> {
    return this.http.post<MobileBuildPreflightResult>(
      `${this.baseUrl}/requests/${requestId}/preflight`,
      {},
    );
  }

  trigger(requestId: number): Observable<MobileBuildRequest> {
    return this.http.post<MobileBuildRequest>(
      `${this.baseUrl}/requests/${requestId}/trigger`,
      {},
    );
  }

  getThemeStatus(): Observable<ThemeStatus> {
    return this.http.get<ThemeStatus>(
      `${getAppConfig().apiBaseUrl}/api/theme/status`,
    );
  }

  regenerateTheme(): Observable<unknown> {
    return this.http.post(
      `${getAppConfig().apiBaseUrl}/api/theme/regenerate`,
      {},
    );
  }

  getDownloadUrl(artifactId: number): Observable<{ download_url: string }> {
    return this.http.get<{ download_url: string }>(
      `${this.baseUrl}/artifacts/${artifactId}/download-url`,
    );
  }

}