using System.Collections.Generic;
using System.Linq;
using System.Xml;
using System.Xml.Serialization;
using UnityEngine;

namespace RimWorldAnimationStudio
{
    public class PawnAnimationClip : AnimationClip
    {
        [XmlAttribute("Class")] public string className = "Rimworld_Animations.PawnAnimationClip";
        [XmlArray("keyframes"), XmlArrayItem("li")] public List<PawnKeyframe> keyframes = new List<PawnKeyframe>();

        [XmlIgnore] public Dictionary<int, bool> quiver = new Dictionary<int, bool>();
        [XmlIgnore] public SimpleCurve GenitalAngle = new SimpleCurve();
        [XmlIgnore] public SimpleCurve BodyAngle = new SimpleCurve();
        [XmlIgnore] public SimpleCurve HeadAngle = new SimpleCurve();
        [XmlIgnore] public SimpleCurve HeadBob = new SimpleCurve();
        [XmlIgnore] public SimpleCurve BodyOffsetX = new SimpleCurve();
        [XmlIgnore] public SimpleCurve BodyOffsetZ = new SimpleCurve();
        [XmlIgnore] public SimpleCurve HeadFacing = new SimpleCurve();
        [XmlIgnore] public SimpleCurve BodyFacing = new SimpleCurve();

        public override int duration { get { return keyframes.Max(x => x.atTick.Value); } }

        public override void BuildSimpleCurves()
        {
            BodyAngle.Clear();
            HeadAngle.Clear();
            BodyOffsetX.Clear();
            BodyOffsetZ.Clear();
            HeadFacing.Clear();
            BodyFacing.Clear();
            HeadBob.Clear();
            GenitalAngle.Clear();

            int keyframePosition = 0;
            int duration = 0;

            keyframes[keyframes.Count - 1].tickDuration = 1;

            foreach (PawnKeyframe frame in keyframes)
            { duration += frame.tickDuration; }

            for (int i = 0; i < keyframes.Count; i++)
            {
                PawnKeyframe keyframe = keyframes[i];

                if (keyframe.atTick.HasValue)
                {
                    if (keyframe.HasValidKeyframeID() == false)
                    { keyframe.GenerateKeyframeID(Workspace.animationDef.animationStages[Workspace.stageID].animationClips.IndexOf(this)); }

                    BodyAngle.Add((float)keyframe.atTick / (float)duration, keyframe.bodyAngle, true);
                    HeadAngle.Add((float)keyframe.atTick / (float)duration, keyframe.headAngle, true);
                    BodyOffsetX.Add((float)keyframe.atTick / (float)duration, keyframe.bodyOffsetX, true);
                    BodyOffsetZ.Add((float)keyframe.atTick / (float)duration, keyframe.bodyOffsetZ, true);
                    HeadFacing.Add((float)keyframe.atTick / (float)duration, keyframe.headFacing, true);
                    BodyFacing.Add((float)keyframe.atTick / (float)duration, keyframe.bodyFacing, true);
                    HeadBob.Add((float)keyframe.atTick / (float)duration, keyframe.headBob, true);
                    GenitalAngle.Add((float)keyframe.atTick / (float)duration, keyframe.genitalAngle, true);

                    if (i + 1 < keyframes.Count)
                    { keyframes[i].tickDuration = keyframes[i + 1].atTick.Value - keyframes[i].atTick.Value; }
                }

                else
                {
                    BodyAngle.Add((float)keyframePosition / (float)duration, keyframe.bodyAngle, true);
                    HeadAngle.Add((float)keyframePosition / (float)duration, keyframe.headAngle, true);
                    BodyOffsetX.Add((float)keyframePosition / (float)duration, keyframe.bodyOffsetX, true);
                    BodyOffsetZ.Add((float)keyframePosition / (float)duration, keyframe.bodyOffsetZ, true);
                    HeadFacing.Add((float)keyframePosition / (float)duration, keyframe.headFacing, true);
                    BodyFacing.Add((float)keyframePosition / (float)duration, keyframe.bodyFacing, true);
                    HeadBob.Add((float)keyframePosition / (float)duration, keyframe.headBob, true);
                    GenitalAngle.Add((float)keyframePosition / (float)duration, keyframe.genitalAngle, true);

                    if (keyframe.tickDuration != 1 && keyframe.quiver.HasValue)
                    {
                        quiver.Add(keyframePosition, true);
                        quiver.Add(keyframePosition + keyframe.tickDuration - 1, false);
                    }

                    keyframe.atTick = keyframePosition + Constants.minTick;
                    keyframePosition += keyframe.tickDuration;
                }
            }
        }

        public override void ValidateData() { }

        public bool MakeNew()
        {
            PawnKeyframe keyframeA = new PawnKeyframe();
            keyframeA.tickDuration = Constants.defaultAnimationClipLength - 1;
            keyframes.Add(keyframeA);

            PawnKeyframe keyframeB = new PawnKeyframe();
            keyframes.Add(keyframeB);

            BuildSimpleCurves();

            return true;
        }
    }
}