using System.Collections.Generic;
using UnityEngine;

[System.Serializable]
public struct GraphData
{
    public string _desc;

    public List<float> StageValues;

    public float _value;

    public float Rate
    {
        get
        {
            return CalculateRate();
        }
    }

    public GraphData(string desc, float value, List<float> stageValues)
    {
        _desc = desc;
        _value = value;
        this.StageValues = stageValues;
    }

    private float CalculateRate()
    {
        if (StageValues == null || StageValues.Count < 2)
        {
            return 0;
        }
        if(double.IsNaN(_value) || double.IsInfinity(_value))
        {
            return 0;
        }
        float rate = 0f;
        float stagePer = 1f / (StageValues.Count - 1);
        for(int i = 0; i < StageValues.Count - 1; i++)
        {
            rate += (Mathf.InverseLerp(StageValues[i], StageValues[i + 1], _value) * stagePer);
        }
        return rate;
    }
}