using System.Text;

namespace UnityEngine.MaterialGraph
{
    public class FloatPropertyChunk : PropertyChunk
    {
        public enum FloatType
        {
            Float,
            Toggle,
            Range,
            PowerSlider
        }

        private readonly float m_DefaultValue;
        private readonly FloatType m_FloatType;
        private readonly Vector3 m_rangeValues;

        public FloatPropertyChunk(string propertyName, string propertyDescription, float defaultValue, HideState hideState)
            : base(propertyName, propertyDescription, hideState)
        {
            m_DefaultValue = defaultValue;
        }

        public FloatPropertyChunk(string propertyName, string propertyDescription, float defaultValue, FloatType floatType, HideState hideState)
            : base(propertyName, propertyDescription, hideState)
        {
            m_FloatType = floatType;
            m_DefaultValue = defaultValue;
        }

        public FloatPropertyChunk(string propertyName, string propertyDescription, float defaultValue, FloatType floatType, Vector3 rangeValues, HideState hideState)
            : base(propertyName, propertyDescription, hideState)
        {
            m_FloatType = floatType;
            m_rangeValues = rangeValues;
            m_DefaultValue = defaultValue;
        }

        public float defaultValue
        {
            get { return m_DefaultValue; }
        }

        public override string GetPropertyString()
        {
            var result = new StringBuilder();
            if (m_FloatType == FloatType.Toggle)
                result.Append("[Toggle]");
            else if (m_FloatType == FloatType.PowerSlider)
                result.Append("[PowerSlider(" + m_rangeValues.z + ")]");
            result.Append(propertyName);
            result.Append("(\"");
            result.Append(propertyDescription);

            if (m_FloatType == FloatType.Float || m_FloatType == FloatType.Toggle)
            {
                result.Append("\", Float) = ");
            }
            else if (m_FloatType == FloatType.Range || m_FloatType == FloatType.PowerSlider)
            {
                result.Append("\", Range(");
                result.Append(m_rangeValues.x + ", " + m_rangeValues.y);
                result.Append(")) = ");
            }
            result.Append(defaultValue);
            return result.ToString();
        }
    }
}