using System;
using System.Collections;
using System.Collections.Generic;
using Dreamteck.Splines;
using Ichni.RhythmGame.Beatmap;
using UnityEngine;

namespace Ichni.RhythmGame
{
    public partial class PathNode : GameElement, IHaveTransformSubmodule, IHaveTimeDurationSubmodule, IHaveColorSubmodule
    {
        public Track track;
        public SplinePoint node;
        public int index => track.trackPathSubmodule.pathNodeList.IndexOf(this);
        public TransformSubmodule transformSubmodule { get; set; }
        public TimeDurationSubmodule timeDurationSubmodule { get; set; }
        public ColorSubmodule colorSubmodule { get; set; }
        public bool haveEmission => false;
        public override int HierarchyPriority => -100;
        
        public bool isShowingSphere;

        public static PathNode GenerateElement(string elementName, Guid id, List<string> tags, bool isFirstGenerated,
            Track track, bool isShowingSphere)
        {
            PathNode pathNode = Instantiate(GameManager.instance.basePrefabs.pathNode, track.transform).GetComponent<PathNode>();

            pathNode.Initialize(elementName, id, tags, isFirstGenerated, track);

            pathNode.track = track;
            
            pathNode.isShowingSphere = isShowingSphere;
            track.trackPathSubmodule.pathNodeList.Add(pathNode);
            track.trackPathSubmodule.SetPathNode(pathNode);
            return pathNode;
        }

        public override void SetDefaultSubmodules()
        {
            transformSubmodule = new TransformSubmodule(this);
            timeDurationSubmodule = new TimeDurationSubmodule(this);
            colorSubmodule = new ColorSubmodule(this);
        }
    }

    public partial class PathNode
    {
        public override void Refresh()
        {
            base.Refresh();
            Vector3 position = transformSubmodule.currentPosition;
            Vector3 normal = Quaternion.Euler(transformSubmodule.currentEulerAngles) * Vector3.up;
            float size = transformSubmodule.currentScale.x;
            Color color = colorSubmodule.currentBaseColor;

            transform.localPosition = position;
            transform.localRotation = Quaternion.LookRotation(normal);
            transform.localScale = Vector3.one * size;

            node = new SplinePoint(position, Vector3.up, normal, size, color);
            track.trackPathSubmodule.SetPathNode(this);
        }
    }

    public partial class PathNode
    {
        public override void SaveBM()
        {
            matchedBM = new PathNode_BM(elementName, elementGuid, tags, parentElement.matchedBM as GameElement_BM, isShowingSphere);
        }
    }

    namespace Beatmap
    {
        public class PathNode_BM : GameElement_BM
        {
            public bool isShowingSphere;
            
            public PathNode_BM()
            {

            }

            public PathNode_BM(string elementName, Guid elementGuid, List<string> tags, GameElement_BM attachedElement,
                bool isShowingSphere)
                : base(elementName, elementGuid, tags, attachedElement)
            {
                this.isShowingSphere = isShowingSphere;
            }

            public override void ExecuteBM()
            {
                matchedElement = PathNode.GenerateElement(elementName, elementGuid, tags, false,
                    GetElement(attachedElementGuid) as Track, isShowingSphere);
            }

            public override GameElement DuplicateBM(GameElement parent)
            {
                return PathNode.GenerateElement(elementName, Guid.NewGuid(), tags, false, parent as Track, isShowingSphere);
            }
        }
    }
}