import { adapter, DataOpts, Result } from '@kevisual/query';

type QueryResourcesOptions = {
  prefix?: string;
  storage?: Storage;
  username?: string;
  [key: string]: any;
};
export class QueryResources {
  prefix: string; // root/resources
  storage: Storage;
  constructor(opts: QueryResourcesOptions) {
    if (opts.username) {
      this.prefix = `/${opts.username}/resources/`;
    } else {
      this.prefix = opts.prefix || '';
    }
    this.storage = opts.storage || localStorage;
  }
  setUsername(username: string) {
    this.prefix = `/${username}/resources/`;
  }
  header(headers?: Record<string, string>, json = true): Record<string, string> {
    const token = this.storage.getItem('token');
    const _headers: Record<string, string> = {
      'Content-Type': 'application/json',
      ...headers,
    };
    if (!json) {
      delete _headers['Content-Type'];
    }
    if (!token) {
      return _headers;
    }
    return {
      ..._headers,
      Authorization: `Bearer ${token}`,
    };
  }
  async get(data: any, opts: DataOpts): Promise<any> {
    return adapter({
      url: opts.url!,
      method: 'GET',
      body: data,
      ...opts,
      headers: this.header(opts?.headers),
    });
  }
  async getList(prefix: string, data?: { recursive?: boolean }, opts?: DataOpts): Promise<Result<any[]>> {
    return this.get(data, {
      url: `${this.prefix}${prefix}`,
      body: data,
      ...opts,
    });
  }
  async fetchFile(filepath: string, opts?: DataOpts): Promise<Result<any>> {
    return fetch(`${this.prefix}${filepath}`, {
      method: 'GET',
      headers: this.header(opts?.headers, false),
    }).then(async (res) => {
      if (!res.ok) {
        return {
          code: 500,
          success: false,
          message: `Failed to fetch file: ${res.status} ${res.statusText}`,
        } as Result<any>;
      }
      return { code: 200, data: await res.text(), success: true } as Result<any>;
    });
  }
}