import * as plugins from './plugins.js';

interface IRepoFile {
  name: string;
  path: string;
  type: 'file' | 'dir';
  download_url: string | null;
  base64Content: string | null;
  encoding: string | null;
}

interface IGiteaAssetsOptions {
  giteaBaseUrl: string; // Base URL of your Gitea instance
  token?: string; // Optional token for private repositories
}

export class GiteaAssets {
  private baseUrl: string;
  private headers: {[key: string]: string} = {};

  constructor(options: IGiteaAssetsOptions) {
    this.baseUrl = options.giteaBaseUrl
    if (this.baseUrl.endsWith('/')) {
      this.baseUrl = this.baseUrl.slice(0, -1);
    }
    this.baseUrl += '/api/v1';
    this.headers = options.token
        ? { ...this.headers, 'Authorization': `token ${options.token}` }
        : this.headers;
  }

  /**
   * Get all files in a directory of a repository
   * @param owner - Repository owner
   * @param repo - Repository name
   * @param directory - Directory path ('' for root)
   * @param branch - Branch name (optional)
   * @returns A list of files in the directory
   */
  async getFiles(
    owner: string,
    repo: string,
    directory: string,
    branch?: string
  ): Promise<IRepoFile[]> {
    try {
      const response = await plugins.smartrequest.request(
        this.baseUrl + `/repos/${owner}/${repo}/contents/${directory}`,
        {
          headers: this.headers,
          method: 'GET',
          queryParams: branch ? { ref: branch } : {},
        }
      )
      if (!Array.isArray(response.body) && typeof response.body === 'object') {
        response.body = [response.body];
      } else if (Array.isArray(response.body)) {
        for (const entry of response.body) {
          if (entry.type === 'dir') {
            continue;
          } else if (entry.type === 'file') {
            const response2 = await plugins.smartrequest.request(
              this.baseUrl + `/repos/${owner}/${repo}/contents/${entry.path}`,
              {
                headers: this.headers,
                method: 'GET',
                queryParams: branch ? { ref: branch } : {},
              }
            );
            entry.encoding = response2.body.encoding;
            entry.content = response2.body.content;
          }
        }
      }

      // lets map to the IRepoFile interface
      response.body = response.body.map((entry: any) => {
        return {
          name: entry.name,
          path: entry.path,
          type: entry.type,
          download_url: entry.download_url,
          base64Content: entry.content,
          encoding: entry.encoding,
        };
      });

      return response.body;
    } catch (error) {
      console.error('Error fetching repository files:', error);
      throw error;
    }
  }

  /**
   * gets the current cli entry file from the code.foss.global/git.zone/cli repository
   * @returns
   */
  public async getBinCliEntryFile() {
    const files = await this.getFiles('git.zone', 'cli', 'assets/templates/cli/cli.js');
    return files[0];
  }
}