/*
    godotVmcSharp
    Copyright (C) 2023  Cassandra de la Cruz-Munoz

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU Affero General Public License as published
    by the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU Affero General Public License for more details.

    You should have received a copy of the GNU Affero General Public License
    along with this program.  If not, see <https://www.gnu.org/licenses/>.
    */

using godotOscSharp;
using System;

#nullable enable

namespace godotVmcSharp
{
    public class VmcExtBlendVal : VmcMessage
    {
        public readonly string? Name;
        public readonly float Value;
        public static VmcExtBlendVal CreateFromMessage(OscMessage m)
        {
            if (m.Data.Count <= 2)
            {
                throw new MissingArgumentsException(m.Address, "2", m.Data.Count);
            }
            var blendShape = m.Data[0].GetAsString();
            var value = m.Data[1].GetAsFloat();
            if (value < 0 || value > 1) {
                throw new DataOutOfRangeException(m.Address, 1, "value", "0 <= value <= 1", value);
            }
            if (IsVrm0BlendShape(blendShape))
            {
                return new VmcExtBlendVal(blendShape, value);
            }
            if (IsVrm1Expression(blendShape))
            {
                return new VmcExtBlendVal(blendShape, value);
            }
            if (IsArkitBlendShape(blendShape))
            {
                return new VmcExtBlendVal(blendShape, value);
            }
            throw new DataOutOfRangeException(m.Address, 0, "name", "name in valid blendshape names", blendShape);
        }

        public static VmcExtBlendVal CreateFromParams(string name, float value)
        {
            if (value < 0 || value > 1) {
                throw new DataOutOfRangeException("VMC/Ext/Blend/Val", 1, "value", "0 <= value <= 1", value);
            }
            if (IsVrm0BlendShape(name))
            {
                return new VmcExtBlendVal(name, value);
            }
            if (IsVrm1Expression(name))
            {
                return new VmcExtBlendVal(name, value);
            }
            if (IsArkitBlendShape(name))
            {
                return new VmcExtBlendVal(name, value);
            }
            throw new DataOutOfRangeException("VMC/Ext/Blend/Val", 0, "name", "name in valid blendshape names", name);
        }

        private VmcExtBlendVal(String name, float value): base(new OscAddress("VMC/Ext/Blend/Val")) {
            Name = name;
            Value = value;
        }

        private static bool IsVrm0BlendShape(string name)
        {
            return name == "Joy" || name == "Angry" || name == "Sorrow" || name == "Fun" ||
               name == "A" || name == "I" || name == "U" || name == "E" || name == "O" ||
               name == "Blink_L" || name == "Blink_R";
        }

        private static bool IsVrm1Expression(string name)
        {
            return name == "happy" || name == "angry" || name == "sad" || name == "relaxed" ||
               name == "aa" || name == "ih" || name == "ou" || name == "ee" || name == "oh" ||
               name == "blinkLeft" || name == "blinkRight";
        }

        private static bool IsArkitBlendShape(string name)
        {
            return name == "browInnerUp" ||
                name == "browDownLeft" || name == "browDownRight" ||
                name == "browOuterUpLeft" || name == "browOuterUpRight" ||
                name == "eyeLookUpLeft" || name == "eyeLookUpRight" ||
                name == "eyeLookDownLeft" || name == "eyeLookDownRight" ||
                name == "eyeLookInLeft" || name == "eyeLookInRight" ||
                name == "eyeLookOutLeft" || name == "eyeLookOutRight" ||
                name == "eyeBlinkLeft" || name == "eyeBlinkRight" ||
                name == "eyeSquintLeft" || name == "eyeSquintRight" ||
                name == "eyeWideLeft" || name == "eyeWideRight" ||
                name == "cheekPuff" ||
                name == "cheekSquintLeft" || name == "cheekSquintRight" ||
                name == "noseSneerLeft" || name == "noseSneerRight" ||
                name == "jawOpen" || name == "jawForward" ||
                name == "jawLeft" || name == "jawRight" ||
                name == "mouthFunnel" || name == "mouthPucker" ||
                name == "mouthLeft" || name == "mouthRight" ||
                name == "mouthRollUpper" || name == "mouthRollLower" ||
                name == "mouthShrugUpper" || name == "mouthShrugLower" ||
                name == "mouthClose" ||
                name == "mouthSmileLeft" || name == "mouthSmileRight" ||
                name == "mouthFrownLeft" || name == "mouthFrownRight" ||
                name == "mouthDimpleLeft" || name == "mouthDimpleRight" ||
                name == "mouthUpperUpLeft" || name == "mouthUpperUpRight" ||
                name == "mouthLowerDownLeft" || name == "mouthLowerDownRight" ||
                name == "mouthPressLeft" || name == "mouthPressRight" ||
                name == "mouthStretchLeft" || name == "mouthStretchRight" ||
                name == "tongueOut";
        }
        public new OscMessage ToMessage()
        {
            return new OscMessage(Addr, new System.Collections.Generic.List<OscArgument> {
                OscArgument.CreateFromParams(Name, 's')!,
                OscArgument.CreateFromParams(Value, 'f')!
            });
        }
    }
}