package net.spritegen.util;


import com.porcupine.coord.Coord;
import com.porcupine.coord.CoordI;
import com.porcupine.math.Range;


/**
 * Utility for converting Object to data types; Can also convert strings to data
 * types.
 * 
 * @author Ondřej Hruška (MightyPork)
 */
public class ObjParser {

	/**
	 * Get INTEGER
	 * 
	 * @param o object
	 * @param def default value
	 * @return integer
	 */
	public static int getInteger(Object o, Integer def) {
		try {
			if (o == null) return def;
			if (o instanceof String) return (int) Math.round(Double.parseDouble((String) o));
			if (o instanceof Number) return ((Number) o).intValue();
			if (o instanceof Range) return ((Range) o).randInt();
			if (o instanceof Boolean) return ((Boolean) o) ? 1 : 0;
		} catch (NumberFormatException e) {}
		Log.w("Object cast error - cannot cast " + o + " to Integer.");
		return def;
	}

	/**
	 * Get DOUBLE
	 * 
	 * @param o object
	 * @param def default value
	 * @return double
	 */
	public static double getDouble(Object o, Double def) {
		return getDoubleImpl(o, def);
	}

	/**
	 * Get DOUBLE
	 * 
	 * @param o object
	 * @param def default value
	 * @return double
	 */
	public static double getDouble(Object o, double def) {
		return getDoubleImpl(o, def);
	}

	private static double getDoubleImpl(Object o, Double def) {
		try {
			if (o == null) return def;
			if (o instanceof String) return Double.parseDouble((String) o);
			if (o instanceof Number) return ((Number) o).doubleValue();
			if (o instanceof Range) return ((Range) o).randDouble();
			if (o instanceof Boolean) return ((Boolean) o) ? 1 : 0;
		} catch (NumberFormatException e) {}
		Log.w("Object cast error - cannot cast " + o + " to Double.");
		return def;
	}

	/**
	 * Get FLOAT
	 * 
	 * @param o object
	 * @param def default value
	 * @return float
	 */
	public static double getFloat(Object o, Float def) {
		try {
			if (o == null) return def;
			if (o instanceof Number) return ((Number) o).floatValue();
		} catch (NumberFormatException e) {}
		Log.w("Object cast error - cannot cast " + o + " to Float.");
		return def;
	}

	/**
	 * Get BOOLEAN
	 * 
	 * @param o object
	 * @param def default value
	 * @return boolean
	 */
	public static boolean getBoolean(Object o, Boolean def) {
		if (o == null) return def;

		if (o instanceof String) {
			String s = ((String) o).trim().toLowerCase();
			if (s.equals("0")) return false;
			if (s.equals("1")) return true;
			try {
				double n = Double.parseDouble(s);
				return n != 0;
			} catch (NumberFormatException e) {}

			if (s.equals("true")) return true;
			if (s.equals("yes")) return true;
			if (s.equals("enabled")) return true;

			if (s.equals("false")) return false;
			if (s.equals("no")) return false;
			if (s.equals("disabled")) return true;
		}

		if (o instanceof Boolean) return ((Boolean) o).booleanValue();
		if (o instanceof Number) return ((Number) o).intValue() != 0;
		Log.w("Object cast error - cannot cast " + o + " to Boolean.");
		return def;
	}

	/**
	 * Get STRING
	 * 
	 * @param o object
	 * @param def default value
	 * @return String
	 */
	public static String getString(Object o, String def) {
		if (o == null) return def;
		if (o instanceof String) return ((String) o);
//		Log.w("Object cast error - cannot cast " + o + " to String.");
		return o.toString();
	}

	/**
	 * Get AI_COORD<br>
	 * Converts special constants to magic coordinate instances.
	 * 
	 * @param o object
	 * @param def default value
	 * @return AiCoord
	 */
	public static Coord getCoord(Object o, Coord def) {
		try {

			if (o == null) return def;
			if (o instanceof String) {
				String s = ((String) o).trim().toUpperCase();

				// colon to semicolon
				s = s.replace(':', ';');
				// comma to semicolon
				s = s.replace(',', ';');
				// remove brackets if any
				s = s.replaceAll("[\\(\\[\\{\\)\\]\\}]", "");
				String[] parts = s.split("[;]");
				return new Coord(Double.parseDouble(parts[0].trim()), Double.parseDouble(parts[1].trim()));
			}
			if (o instanceof Coord) return new Coord((Coord) o);
			if (o instanceof CoordI) return ((CoordI) o).toCoord();
		} catch (NumberFormatException e) {}
		Log.w("Object cast error - cannot cast " + o + " to AiCoord.");
		return def; //new AiCoord(0, 0, EAiCoordSpecialType.BASIC);
	}


	/**
	 * Get RANGE
	 * 
	 * @param o object
	 * @param def default value
	 * @return AiCoord
	 */
	public static Range getRange(Object o, Range def) {
		try {
			if (o == null) return def;
			if (o instanceof Number) return new Range(((Number) o).doubleValue(), ((Number) o).doubleValue());
			if (o instanceof String) {
				String s = ((String) o).trim();

				// colon to semicolon
				s = s.replace(',', ':');
				// comma to dot.
				s = s.replace(';', ':');
				// dash
				s = s.replaceAll("([0-9])\\s?[\\-]", "$1:");
				// remove brackets if any
				s = s.replaceAll("[\\(\\[\\{\\)\\]\\}]", "");
				String[] parts = s.split("[:]");
				if (parts.length == 2) return new Range(Double.parseDouble(parts[0].trim()), Double.parseDouble(parts[1].trim()));
				return new Range(Double.parseDouble(parts[0].trim()), Double.parseDouble(parts[0].trim()));

			}
			if (o instanceof Range) return (Range) o;
		} catch (NumberFormatException e) {}
		Log.w("Object cast error - cannot cast " + o + " to AiRange.");
		return def;
	}


	/**
	 * Get INTEGER
	 * 
	 * @param o object
	 * @return integer
	 */
	public static int getInteger(Object o) {
		return getInteger(o, 0);
	}

	/**
	 * Get DOUBLE
	 * 
	 * @param o object
	 * @return double
	 */
	public static double getDouble(Object o) {
		return getDouble(o, 0d);
	}


	/**
	 * Get FLOAT
	 * 
	 * @param o object
	 * @return float
	 */
	public static double getFloat(Object o) {
		return getFloat(o, 0f);
	}

	/**
	 * Get BOOLEAN
	 * 
	 * @param o object
	 * @return boolean
	 */
	public static boolean getBoolean(Object o) {
		return getBoolean(o, false);
	}

	/**
	 * Get STRING
	 * 
	 * @param o object
	 * @return String
	 */
	public static String getString(Object o) {
		return getString(o, "");
	}

	/**
	 * Get AI_COORD (if special string constant is present instead, build coord
	 * of it)
	 * 
	 * @param o object
	 * @return AiCoord
	 */
	public static Coord getCoord(Object o) {
		return getCoord(o, Coord.ZERO.copy());
	}


	/**
	 * Get RANGE
	 * 
	 * @param o object
	 * @return AiCoord
	 */
	public static Range getRange(Object o) {
		return getRange(o, new Range());
	}

//	/**
//	 * Get if object is a NUMBER
//	 * 
//	 * @param o object
//	 * @return is number
//	 */
//	public static boolean isNum(Object o) {
//		return o instanceof Number;
//	}
//
//	/**
//	 * Get if object is a BOOLEAN
//	 * 
//	 * @param o object
//	 * @return is boolean
//	 */
//	public static boolean isBool(Object o) {
//		return o instanceof Boolean;
//	}
//
//	/**
//	 * Get if object is a STRING
//	 * 
//	 * @param o object
//	 * @return is string
//	 */
//	public static boolean isString(Object o) {
//		return o instanceof String;
//	}
//
//	/**
//	 * Get if object is a Coord (any)
//	 * 
//	 * @param o object
//	 * @return is coord
//	 */
//	public static boolean isCoord(Object o) {
//		return o instanceof Coord || o instanceof AiCoord || o instanceof CoordI;
//	}
//
//	/**
//	 * Get if object is a AiRange
//	 * 
//	 * @param o object
//	 * @return is range
//	 */
//	public static boolean isRange(Object o) {
//		return o instanceof AiRange;
//	}
}