package slangc.parser;

public final class LocationAnnotation extends Annotation {
	private final LocationType locationType;
	private final Token token;
	
	public LocationAnnotation(LocationType locationType, Token token) {
		this.token = token;
		this.locationType = locationType;
	}
	
	public Token getToken() {
		return token;
	}

	@Override
	public AnnotationType getAnnotationType() {
		return AnnotationType.LOCATION; // TODO...
	}
	
	@Override
	public String toString() {
		return "LocationAnnotation(" + locationType.name() + ", "+ token.toString() + ")";
	}
	
	public String niceString() {
		String start = "";
		boolean useEnd = false;
		switch (locationType) {
		case LocationType.AFTER:
			//start = "After ";
			useEnd = true;
			break;
		case LocationType.BEFORE:
			//start = "Before ";
			break;
		default:
			//start = "Around ";
			break;
		}
		start = "Around ";
		
		// NOTE: The 'filename:linenumber...' format is used since VS Code (at least) provides a link back to the source
		start += "'" + getToken().getSnippet().getStart().getSource().getFilename();
		
		int l = getToken().getSnippet().getStart().getLineCount();
		int c = getToken().getSnippet().getStart().getCharacterCount();
		if (useEnd) {
			c += getToken().getSnippet().getLength();
		}
		
		start += ":" + l + "@" + c + "'";
		
		return start;
	}
}