using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using SiegeSong;

namespace SiegeSong {
    public class LipSyncKeyframe
    {
        public string FaceShapeKey { get; set; }

        public int ApplyPercentage { get; set; }

        public int FadeInDuration { get; set; }

        public int MaintainDuration { get; set; }
        
        public int FadeOutDuration { get; set; }
    }

    public class LipSync : MonoBehaviour
    {
        //"Male_phoneme_FV"
        //"Male_phoneme_PBM"
        //"Male_phoneme_ShCh"
        //"Male_phoneme_W"
        //"Male_phoneme_Wide"
        //"Male_TongueBack"
        //"Male_TongueRoof"
        //"Male_TongueTeeth"
        //"RaisedBrows"
        //"SmileLeft"
        //"SmileRight"
        //"Snarl"
        //"AngryBrows"
        //"Sniff"
        //"MouthWidth"


        public LipSyncKeyframe[] Keyframes;
        public int CurrentKeyframeIndex;
        public float CurrentKeyframeStartTimestamp;

        public Dictionary<string, Dictionary<string, float>> FaceShapes ()
        {
            var faceShapes = new Dictionary<string, Dictionary<string, float>>();
    
            var faceShape_AIU = new Dictionary<string, float>();
            faceShape_AIU.Add("Snarl", 0.078f);
            faceShape_AIU.Add("Male_phoneme_Wide", 0.514f);
            faceShape_AIU.Add("Male_phoneme_W", 0.486f);
            faceShape_AIU.Add("Male_phoneme_ShCh", 0.114f);
            faceShape_AIU.Add("Male_phoneme_PBM", 0.294f);
            faceShape_AIU.Add("Male_phoneme_FV", 0.176f);
            faceShapes.Add("AIU", faceShape_AIU);

            var faceShape_O = new Dictionary<string, float>();
            faceShape_O.Add("Snarl", 0.124f);
            faceShape_O.Add("Male_phoneme_Wide", 0.094f);
            faceShape_O.Add("Male_phoneme_W", 0.953f);
            faceShape_O.Add("Male_phoneme_ShCh", 0.114f); 
            faceShape_O.Add("Male_phoneme_PBM", 0.176f);
            faceShape_O.Add("Male_phoneme_FV", 0.0f);
            faceShapes.Add("O", faceShape_O);

            var faceShape_E = new Dictionary<string, float>();
            faceShape_E.Add("Snarl", 0.223f);
            faceShape_E.Add("Male_phoneme_Wide", 0.596f);
            faceShape_E.Add("Male_phoneme_W", 0.486f);
            faceShape_E.Add("Male_phoneme_ShCh", 0.114f);
            faceShape_E.Add("Male_phoneme_PBM", 0.294f);
            faceShape_E.Add("Male_phoneme_FV", 0.176f);
            faceShape_E.Add("Male_TongueTeeth", 0.0f);
            faceShapes.Add("E", faceShape_E);

            var faceShape_CKGJRSXYZ = new Dictionary<string, float>();
            faceShape_CKGJRSXYZ.Add("Snarl", 0.227f);
            faceShape_CKGJRSXYZ.Add("Male_phoneme_Wide", 0.231f);
            faceShape_CKGJRSXYZ.Add("Male_phoneme_W", 0.314f);
            faceShape_CKGJRSXYZ.Add("Male_phoneme_ShCh", 0.0f);
            faceShape_CKGJRSXYZ.Add("Male_phoneme_PBM", 0.176f);
            faceShape_CKGJRSXYZ.Add("Male_phoneme_FV", 0.0f);
            faceShape_CKGJRSXYZ.Add("Male_TongueTeeth", 0.0f);
            faceShapes.Add("CKGJRSXYZ", faceShape_CKGJRSXYZ);

            var faceShape_DLNTH = new Dictionary<string, float>();
            faceShape_DLNTH.Add("Snarl", 0.102f);
            faceShape_DLNTH.Add("Male_phoneme_Wide", 0.267f);
            faceShape_DLNTH.Add("Male_phoneme_W", 0.855f);
            faceShape_DLNTH.Add("Male_phoneme_ShCh", 0.125f);
            faceShape_DLNTH.Add("Male_phoneme_PBM", 0.322f);
            faceShape_DLNTH.Add("Male_phoneme_FV", 0.063f);
            faceShape_DLNTH.Add("Male_TongueTeeth", 0.813f);
            faceShapes.Add("DLNTH", faceShape_DLNTH);

            var faceShape_WQOO = new Dictionary<string, float>();
            faceShape_WQOO.Add("Snarl", 0.03f);
            faceShape_WQOO.Add("Male_phoneme_Wide", 0.094f);
            faceShape_WQOO.Add("Male_phoneme_W", 0.953f);
            faceShape_WQOO.Add("Male_phoneme_ShCh", 0.114f);
            faceShape_WQOO.Add("Male_phoneme_PBM", 0.176f);
            faceShape_WQOO.Add("Male_phoneme_FV", 0.0f);
            faceShape_WQOO.Add("Male_TongueTeeth", 0.0f);
            faceShapes.Add("WQOO", faceShape_WQOO);

            var faceShape_MBP = new Dictionary<string, float>();
            faceShape_MBP.Add("Snarl", 0.0f);
            faceShape_MBP.Add("Male_phoneme_Wide", 0.0f);
            faceShape_MBP.Add("Male_phoneme_W", 0.0f);
            faceShape_MBP.Add("Male_phoneme_ShCh", 0.0f);
            faceShape_MBP.Add("Male_phoneme_PBM", 0.0f);
            faceShape_MBP.Add("Male_phoneme_FV", 0.0f);
            faceShape_MBP.Add("Male_TongueTeeth", 0.0f);
            faceShapes.Add("MBP", faceShape_MBP);

            var faceShape_FV = new Dictionary<string, float>();
            faceShape_FV.Add("Snarl", 0.0f);
            faceShape_FV.Add("Male_phoneme_Wide", 0.0f);
            faceShape_FV.Add("Male_phoneme_W", 0.0f);
            faceShape_FV.Add("Male_phoneme_ShCh", 0.0f);
            faceShape_FV.Add("Male_phoneme_PBM", 0.0f);
            faceShape_FV.Add("Male_phoneme_FV", 0.855f);
            faceShape_FV.Add("Male_TongueTeeth", 0.0f);
            faceShapes.Add("FV", faceShape_FV);

            return faceShapes;
        }


        public void PlayCurrentKeyframe ()
        {
            var currentTimeStamp = Time.deltaTime;
            var startStamp = CurrentKeyframeStartTimestamp;
            var keyFrame = Keyframes[CurrentKeyframeIndex];
            var progress = currentTimeStamp - startStamp; // how many milliseconds since the transition started 
            var interpolationRatio = 1.0f;
            if (progress < keyFrame.FadeInDuration)
            {
                // fading in
                interpolationRatio = progress / keyFrame.FadeInDuration;
            }
            if (progress > keyFrame.FadeInDuration + keyFrame.MaintainDuration &&
                progress < keyFrame.FadeInDuration + keyFrame.MaintainDuration + keyFrame.FadeOutDuration)
            {
                // fading out
                interpolationRatio = keyFrame.FadeOutDuration / progress;
            }
            if (progress < keyFrame.FadeInDuration + keyFrame.MaintainDuration + keyFrame.FadeOutDuration)
            {
                CurrentKeyframeIndex++;
                if (CurrentKeyframeIndex == Keyframes.Length)
                {
                    CurrentKeyframeIndex = 0;
                }
                ResetCurrentKeyframeStartTimestamp();
            }
            SetFaceShape(keyFrame.FaceShapeKey, interpolationRatio);
        }

        public void ResetCurrentKeyframeStartTimestamp()
        {
            CurrentKeyframeStartTimestamp = Time.deltaTime;
        }

        public void SetFaceShape(string shapeKey, float interpolationRatio)
        {
            var faceShapes = FaceShapes();
            foreach (var shapeBlendKey in faceShapes[shapeKey].Keys)
            {
                var oldValue = GetCurrentBlendShapeValue(shapeBlendKey);
                var newValue = faceShapes[shapeKey][shapeBlendKey] * interpolationRatio;
                SetBlendShapeValue(shapeBlendKey, (oldValue + newValue) / 2);
            }
        }

        public void SetBlendShapeValue(string blendkey, float value)
        {

        }

        public float GetCurrentBlendShapeValue(string blendkey)
        {
            return 0;
        }

        void Start()
        {
        
        }

        void Update()
        {
            PlayCurrentKeyframe();
        }
    }
}