using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using Leap;
using Live2D.Cubism.Core;
using Live2D.Cubism.Framework;

public class MoveArm : MonoBehaviour
{
    private CubismModel _model;
    private Controller controller;
    private Dictionary<Leap.Finger.FingerType, CubismParameter> modelfingers;

    // Start is called before the first frame update
    void Start()
    {
        controller = new Controller();
        _model = this.FindCubismModel();

        modelfingers = new Dictionary<Leap.Finger.FingerType, CubismParameter>();
        modelfingers.Add(Leap.Finger.FingerType.TYPE_INDEX, _model.Parameters[1]);
        modelfingers.Add(Leap.Finger.FingerType.TYPE_MIDDLE, _model.Parameters[2]);
        modelfingers.Add(Leap.Finger.FingerType.TYPE_RING, _model.Parameters[3]);
        modelfingers.Add(Leap.Finger.FingerType.TYPE_PINKY, _model.Parameters[4]);
        modelfingers.Add(Leap.Finger.FingerType.TYPE_THUMB, _model.Parameters[5]);
    }
    private void LateUpdate()
    {
        Frame frame = controller.Frame();

        if (frame.Hands.Count != 0)
        {
            List<Hand> hand = frame.Hands;
            var fingers = hand[0].Fingers;
            foreach (Finger finger in fingers)
            {
                if (finger.Type == Leap.Finger.FingerType.TYPE_UNKNOWN) continue;

                var angle = Mathf.PI - finger.Direction.AngleTo(hand[0].Direction);
                var param = EditParam(angle, 0f, Mathf.PI, -30, 30);

                if (finger.Type == Leap.Finger.FingerType.TYPE_THUMB)
                {
                    angle = finger.Direction.AngleTo(hand[0].PalmNormal);
                    param = EditParam(angle, 1.0f, 1.27f, -30, 30);
                    Debug.Log("THUMB " + angle + " " + param);
                }

                modelfingers[finger.Type].Value = param;
            }
        }
    }
    private float EditParam(float param,float leapmin,float leapmax, float modelmin,float modelmax)
    {
        return (param - leapmin) * ((modelmax - modelmin) / (leapmax - leapmin)) + modelmin;
    }
}