namespace Ubisoft
{
    /// <summary>
    /// Utility class for dealing with bool type.
    /// </summary>
    public static class HtBool
    {
        public const byte BOOL_AS_BYTE_FALSE = 0;
        public const byte BOOL_AS_BYTE_TRUE = 1;

        /// <summary>
        /// Convert the specified string representation of a logical value to its Boolean equivalent.
        /// </summary>
        /// <param name="value">A string containing the value to convert.
        ///                     Valid values: 'true', 'True', 'TRUE', '1', 'false', 'False', 'FALSE', '0'</param>
        /// <param name="result"><c>true</c> if s is 'true', 'True', 'True', or '1', otherwise <c>false</c></param>
        /// <returns><c>true</c> if s was converted successfully; otherwise <c>false</c></returns>
        public static bool TryParse(string s, out bool result)
        {
            bool returnValue = !string.IsNullOrEmpty(s);
            if (returnValue)
            {
                if (s == "1")
                {
                    result = true;
                }
                else if (s == "0")
                {
                    result = false;
                }
                else
                {
                    string normalisedValue = s.ToLower();
                    if (normalisedValue == "true")
                    {
                        result = true;
                    }
                    else if (normalisedValue == "false")
                    {
                        result = false;
                    }
                    else
                    {
                        result = false;
                        returnValue = false;
                    }
                }
            }
            else
            {
                result = false;
            }

            return returnValue;
        }

        /// <summary>
        /// Convert the specified string representation of a byte value used as bool.
        /// </summary>
        /// <param name="value">A string containing the value to convert.
        ///                     Valid values: 'true', 'True', 'TRUE', '1', 'false', 'False', 'FALSE', '0'</param>
        /// <param name="result"><c>1</c> if s is 'true', 'True', 'True', or '1', otherwise <c>0</c></param>
        /// <returns><c>true</c> if s was converted successfully; otherwise <c>false</c></returns>
        public static bool TryParseToByte(string s, out byte result)
        {
            bool returnValue = TryParse(s, out bool valueAsBool);
            if (returnValue)
            {
                result = valueAsBool ? BOOL_AS_BYTE_TRUE : BOOL_AS_BYTE_FALSE;
            }
            else
            {
                result = BOOL_AS_BYTE_FALSE;
            }

            return returnValue;
        }

        /// <summary>
        /// Convert the specified string representation of a byte value used as bool.
        /// </summary>
        /// <param name="value">A string containing the value to convert.
        ///                     Valid values: 'true', 'True', 'TRUE', '1', 'false', 'False', 'FALSE', '0'</param>
        /// <returns><c>1</c> if s is 'true', 'True', 'True', or '1', otherwise <c>0</c></returns>
        public static byte ParseToByte(string s)
        {
            _ = TryParseToByte(s, out byte returnValue);
            return returnValue;
        }
    }
}