using System;
using UnityEngine;

[Serializable]
public class ValueModifier
{
    static readonly byte _defaultOrder = 0;

    public enum Type : byte
    {
        LowestFlat = 8,
        GreatestFlat = 9,
        Flat = 10,
        AppendablePercent = 20,
        Percent = 30,
        Set = 40,
    }

    [SerializeField] Type _type;
    [SerializeField] float _value;
    [SerializeField] byte order;

    public Type type => _type;
    public float value => _value;
    public byte Order => order == _defaultOrder ? (byte)_type : order;
    public object From { get; set; }

    public ValueModifier(Type type, float value)
    {
        _type = type;
        _value = value;
        order = _defaultOrder;
    }

    public ValueModifier(Type type, float value, byte order)
    {
        _type = type;
        _value = value;
        this.order = order;
    }

    public override string ToString()
    {
        switch (type)
        {
            case Type.AppendablePercent:
            case Type.Percent:
                return $"{value}%";
        }

        return value.ToString("F2");
    }
}