Lumacs/include/lumacs/color.hpp

#pragma once

#include <string>
#include <cstdlib>

namespace lumacs {

/// RGB Color representation
struct Color {
    int r, g, b;
    Color(int r = 0, int g = 0, int b = 0) : r(r), g(g), b(b) {}

    /// Convert to ncurses color index (will be assigned dynamically)
    int to_ncurses_color() const;

    /// Create Color from hex string (e.g., "#FF5500" or "FF5500")
    static Color from_hex(const std::string& hex) {
        std::string h = hex;
        // Remove leading # if present
        if (!h.empty() && h[0] == '#') {
            h = h.substr(1);
        }
        // Parse hex values
        if (h.length() >= 6) {
            int r = static_cast<int>(std::strtol(h.substr(0, 2).c_str(), nullptr, 16));
            int g = static_cast<int>(std::strtol(h.substr(2, 2).c_str(), nullptr, 16));
            int b = static_cast<int>(std::strtol(h.substr(4, 2).c_str(), nullptr, 16));
            return Color(r, g, b);
        }
        return Color(0, 0, 0);  // Default to black on parse error
    }

    /// Comparison operator for use in maps
    bool operator<(const Color& other) const {
        if (r != other.r) return r < other.r;
        if (g != other.g) return g < other.g;
        return b < other.b;
    }

    bool operator==(const Color& other) const {
        return r == other.r && g == other.g && b == other.b;
    }
};

} // namespace lumacs