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

declare var lokv: plugins.cloudflareTypes.KVNamespace;

/**
 * an abstraction for the workerd KV store
 */
export class KVHandler {
  private getSafeIdentifier(urlString: string) {
    return encodeURI(urlString);
  }

  async getFromKv(keyIdentifier: string) {
    const key = this.getSafeIdentifier(keyIdentifier);
    const valueString = await lokv.get(key);
    return valueString;
  }

  async putInKv(keyIdentifier: string, valueForStorage: string) {
    const key = this.getSafeIdentifier(keyIdentifier);
    const value = valueForStorage;
    await lokv.put(key, value);
    return null;
  }

  /**
   * deletes a key/value from the cache
   * @param keyIdentifier
   */
  async deleteInKv(keyIdentifier: string) {
    const cacheKey = this.getSafeIdentifier(keyIdentifier);
    await lokv.delete(cacheKey);
  }
}

export const kvHandlerInstance = new KVHandler();