/**
 * ANSI color codes mapping for terminal text coloring
 * @type {Object<string, string>}
 */
const ANSI_COLORS = {
    '0': '\x1b[30m',   // Black
    '1': '\x1b[34m',   // Dark Blue
    '2': '\x1b[32m',   // Dark Green
    '3': '\x1b[36m',   // Dark Aqua
    '4': '\x1b[31m',   // Dark Red
    '5': '\x1b[35m',   // Dark Purple
    '6': '\x1b[33m',   // Gold
    '7': '\x1b[37m',   // Gray
    '8': '\x1b[90m',   // Dark Gray
    '9': '\x1b[94m',   // Blue
    'a': '\x1b[92m',   // Green
    'b': '\x1b[96m',   // Aqua
    'c': '\x1b[91m',   // Red
    'd': '\x1b[95m',   // Light Purple
    'e': '\x1b[93m',   // Yellow
    'f': '\x1b[97m',   // White
    'r': '\x1b[0m',    // Reset
};

/**
 * Translates color codes in text to ANSI color sequences
 * @param {string} altColorChar - The character used to prefix color codes (e.g., '&' or '§')
 * @param {string} textToTranslate - The text containing color codes to translate
 * @returns {string} The text with color codes replaced by ANSI sequences
 * @throws {Error} If altColorChar is not a single character
 */
function colors(altColorChar, textToTranslate) {
    if (typeof altColorChar !== 'string' || altColorChar.length !== 1) {
        throw new Error('altColorChar must be a single character');
    }

    if (typeof textToTranslate !== 'string') {
        throw new Error('textToTranslate must be a string');
    }

    const regex = new RegExp(`${altColorChar}([0-9a-fr])`, 'g');
    return textToTranslate.replace(regex, (_, code) => ANSI_COLORS[code] || '');
}

module.exports = colors;