import '../utils/Vector3.dart';

class Color {
  double r;
  double g;
  double b;

  Color(this.r, this.g, this.b);

  // Parse from a hexadecimal color string (e.g., "#FF5733" or "FF5733")
  static Color fromHex(String hex) {
    hex = hex.replaceAll('#', '');

    if (hex.length != 6) {
      throw FormatException('Hex color should be 6 characters long.');
    }

    final r = int.parse(hex.substring(0, 2), radix: 16) / 255.0;
    final g = int.parse(hex.substring(2, 4), radix: 16) / 255.0;
    final b = int.parse(hex.substring(4, 6), radix: 16) / 255.0;

    return Color(r, g, b);
  }

  // Parse from a decimal representation (e.g., 16711680 for red)
  static Color fromDecimal(int decimal) {
    final r = ((decimal >> 16) & 0xFF) / 255.0;
    final g = ((decimal >> 8) & 0xFF) / 255.0;
    final b = (decimal & 0xFF) / 255.0;

    return Color(r, g, b);
  }

  // Parse from a vector with values ranging from 1 to 255 (e.g., [255, 0, 0] for red)
  static Color fromVector255(Vector3d vector) {
    final r = vector.X / 255.0;
    final g = vector.Y / 255.0;
    final b = vector.Z / 255.0;

    return Color(r, g, b);
  }

  // Parse from a normalized vector with values from 0.0 to 1.0 (e.g., [1.0, 0.0, 0.0] for red)
  static Color fromNormalizedVector(Vector3d vector) {
    return Color(vector.X, vector.Y, vector.Z);
  }

  // Convert to hexadecimal color string (e.g., "#FF5733")
  String toHex() {
    final rHex =
        (r * 255).round().toRadixString(16).padLeft(2, '0').toUpperCase();
    final gHex =
        (g * 255).round().toRadixString(16).padLeft(2, '0').toUpperCase();
    final bHex =
        (b * 255).round().toRadixString(16).padLeft(2, '0').toUpperCase();

    return '#$rHex$gHex$bHex';
  }

  // Convert to decimal representation (e.g., 16711680 for red)
  int toDecimal() {
    final rInt = (r * 255).round();
    final gInt = (g * 255).round();
    final bInt = (b * 255).round();

    return (rInt << 16) | (gInt << 8) | bInt;
  }

  // Convert to vector with values ranging from 1 to 255 (e.g., [255, 0, 0] for red)
  Vector3d toVector255() {
    return Vector3d(X: r * 255, Y: g * 255, Z: b * 255);
  }

  // Convert to normalized vector with values from 0.0 to 1.0 (e.g., [1.0, 0.0, 0.0] for red)
  Vector3d toNormalizedVector() {
    return Vector3d(X: r, Y: g, Z: b);
  }

  @override
  String toString() {
    return 'Color(r: $r, g: $g, b: $b)';
  }
}