import {
  Describe,
  Command,
} from "../internal";

export abstract class Operation<T = unknown> {
  protected _command: Command;

  abstract apply(resource: T): void;

  abstract clone(): Operation;

  abstract toJSON(): Operation.Serialize;

  public getCommand(): Command {
    return this._command;
  }

  public setCommand(command: Command): void {
    this._command = command;
  }

  public replaceOperations(...operations: Operation[]) {
    const command = this._command;
    if (command) {
      command.replaceOperations(this, operations);
    }
  }
}

export namespace Operation {
  export interface Serialize extends Describe {}
}