package jalview.structure;

import java.util.ArrayList;
import java.util.List;

public class StructureCommand implements StructureCommandI
{
  private String command;

  private List<String> parameters;

  public StructureCommand(String cmd, String... params)
  {
    command = cmd;
    if (params != null)
    {
      for (String p : params)
      {
        addParameter(p);
      }
    }
  }

  @Override
  public void addParameter(String param)
  {
    if (parameters == null)
    {
      parameters = new ArrayList<>();
    }
    parameters.add(param);
  }

  @Override
  public String getCommand()
  {
    return command;
  }

  @Override
  public List<String> getParameters()
  {
    return parameters;
  }

  @Override
  public boolean hasParameters()
  {
    return parameters != null && !parameters.isEmpty();
  }

  @Override
  public String toString()
  {
    if (!hasParameters()) 
    {
      return command;
    }
    StringBuilder sb = new StringBuilder(32);
    sb.append(command).append("(");
    boolean first = true;
    for (String p : parameters)
    {
      if (!first)
      {
        sb.append(",");
      }
      first = false;
      sb.append(p);
    }
    sb.append(")");
    return sb.toString();
  }

}