import {
  Schema,
  MsgpackEncodingData,
  MsgpackRawStringProvider,
  JSONEncodingData,
  PrepareJSONOptions,
} from '../encoding.js';

/* eslint-disable class-methods-use-this */

export class StringSchema extends Schema {
  public defaultValue(): string {
    return '';
  }

  public isDefaultValue(data: unknown): boolean {
    return data === '';
  }

  public prepareMsgpack(data: unknown): MsgpackEncodingData {
    if (typeof data === 'string') {
      return data;
    }
    throw new Error(`Invalid string: (${typeof data}) ${data}`);
  }

  public fromPreparedMsgpack(
    encoded: MsgpackEncodingData,
    // eslint-disable-next-line @typescript-eslint/no-unused-vars
    _rawStringProvider: MsgpackRawStringProvider
  ): string {
    if (typeof encoded === 'string') {
      return encoded;
    }
    throw new Error(`Invalid string: (${typeof encoded}) ${encoded}`);
  }

  public prepareJSON(
    data: unknown,
    // eslint-disable-next-line @typescript-eslint/no-unused-vars
    _options: PrepareJSONOptions
  ): JSONEncodingData {
    if (typeof data === 'string') {
      return data;
    }
    throw new Error(`Invalid string: (${typeof data}) ${data}`);
  }

  public fromPreparedJSON(encoded: JSONEncodingData): string {
    if (typeof encoded === 'string') {
      return encoded;
    }
    throw new Error(`Invalid string: (${typeof encoded}) ${encoded}`);
  }
}