import { System, Protobuf, StringBytes } from "@koinos/sdk-as";
import { textparserlib } from "./proto/textparserlib";


export class TextParserLib {
  _contractId: Uint8Array;

  /**
   * Create an instance of a TextParserLib contract
   * @example
   * ```ts
   *   const contract = new TextParserLib(Base58.decode("1DQzuCcTKacbs9GGScFTU1Hc8BsyARTPqe"));
   * ```
   */
  constructor(contractId: Uint8Array) {
    this._contractId = contractId;
  }

  /**
   * Enconde a plain text message
   * @external
   * @readonly
   */
  parse_message(args: textparserlib.parse_message_args): textparserlib.parse_message_result {
    const argsBuffer = Protobuf.encode(args, textparserlib.parse_message_args.encode);
    const callRes = System.call(this._contractId, 0x6a5adba6, argsBuffer);
    if (callRes.code != 0) {
      const errorMessage = `failed to call 'TextParserLib.parse_message': ${callRes.res.error && callRes.res.error!.message ? callRes.res.error!.message : "unknown error"}`;
      System.exit(callRes.code, StringBytes.stringToBytes(errorMessage));
    }
    if (!callRes.res.object) return new textparserlib.parse_message_result();
    return Protobuf.decode<textparserlib.parse_message_result>(callRes.res.object, textparserlib.parse_message_result.decode);
  }
}