using UnityEngine;

namespace Fungus
{
    /// <summary>
    /// Command to execute and store the result of basic trigonometry
    /// </summary>
    [CommandInfo("Math",
                 "Trig",
                 "Command to execute and store the result of basic trigonometry")]
    [AddComponentMenu("")]
    public class Trig : Command
    {
        public enum Function
        {
            Rad2Deg,
            Deg2Rad,
            ACos,
            ASin,
            ATan,
            Cos,
            Sin,
            Tan
        }


        [Tooltip("Trigonometric function to run.")]
        [SerializeField]
        protected Function function = Function.Sin;

        [Tooltip("Value to be passed in to the function.")]
        [SerializeField]
        protected FloatData inValue;
        
        [Tooltip("Where the result of the function is stored.")]
        [SerializeField]
        protected FloatData outValue;
        
        public override void OnEnter()
        {
            switch (function)
            {
                case Function.Rad2Deg:
                    outValue.Value = inValue.Value * Mathf.Rad2Deg;
                    break;
                case Function.Deg2Rad:
                    outValue.Value = inValue.Value * Mathf.Deg2Rad;
                    break;
                case Function.ACos:
                    outValue.Value = Mathf.Acos(inValue.Value);
                    break;
                case Function.ASin:
                    outValue.Value = Mathf.Asin(inValue.Value);
                    break;
                case Function.ATan:
                    outValue.Value = Mathf.Atan(inValue.Value);
                    break;
                case Function.Cos:
                    outValue.Value = Mathf.Cos(inValue.Value);
                    break;
                case Function.Sin:
                    outValue.Value = Mathf.Sin(inValue.Value);
                    break;
                case Function.Tan:
                    outValue.Value = Mathf.Tan(inValue.Value);
                    break;
                default:
                    break;
            }
            
            Continue();
        }

        public override string GetSummary()
        {
            return function.ToString();
        }

        public override Color GetButtonColor()
        {
            return new Color32(235, 191, 217, 255);
        }

    }
}