using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using Dreamteck.Splines;
using Ichni.RhythmGame.Beatmap;
using Lean.Pool;
using Unity.VisualScripting;
using UnityEngine;
using UnityEngine.Serialization;

namespace Ichni.RhythmGame
{
    public partial class Stay : NoteBase
    {
        public NoteJudgeType preJudgeType;
        
        public static Stay GenerateElement(string elementName, Guid id, List<string> tags, bool isFirstGenerated,
            GameElement parentElement, float exactJudgeTime)
        {
            Stay stay = Instantiate(GameManager.instance.basePrefabs.stayNote, parentElement.transform).GetComponent<Stay>();
            
            stay.Initialize(elementName, id, tags, isFirstGenerated, parentElement);
            stay.exactJudgeTime = exactJudgeTime;
            stay.preJudgeType = NoteJudgeType.NotJudged;
            stay.judgeIntervals = new NoteJudgeIntervals(
                new TimeInterval(-0.15f, -0.15f), new TimeInterval(-0.15f, -0.15f),
                new TimeInterval(-0.15f, -0.15f), new TimeInterval(-0.15f, 0.125f),
                new TimeInterval(0.125f, 0.15f), new TimeInterval(0.15f, 0.15f), 0.15f);
            
            if (parentElement.TryGetComponent(out Track track))
            {
                if (track.trackTimeSubmodule != null)
                {
                    stay.track = track;
                    stay.trackPositioner = stay.AddComponent<SplinePositioner>();
                    stay.trackPositioner.spline = track.trackPathSubmodule.path;
                    stay.isOnTrack = true;
                    stay.UpdateNoteInTrack();
                }
                else
                {
                    throw new Exception("如果Note要生成在Track上，Track必须有TrackTimeSubmodule组件。");
                }
            }
            else
            {
                stay.track = null;
                stay.isOnTrack = false;
            }

            return stay;
        }
        
        protected override void Update()
        {
            float songTime = GameManager.instance.songTime;

            if (!isFirstJudged && 
                songTime >= exactJudgeTime + judgeIntervals.beforeMiss.intervalStart &&
                !GameManager.instance.inputManager.checkingStayList.Contains(this))
            {
                GameManager.instance.inputManager.checkingStayList.Add(this);
            }
            
            ExecuteFinalJudge(songTime);
            
            base.Update();
        }
        
        public override NoteJudgeType GetStartJudgeType(float timeDifference)
        {
            return judgeIntervals.GetNoteJudgeType(timeDifference);
        }

        public override void ExecuteStartJudge()
        {
            float triggerTime = GameManager.instance.songTime;
            float timeDifference = triggerTime - exactJudgeTime;
            
            NoteJudgeType startJudgeType = GetStartJudgeType(timeDifference);
            preJudgeType = startJudgeType;
            
            isFirstJudged = true;
            
            if (GameManager.instance.inputManager.checkingStayList.Contains(this))
            {
                GameManager.instance.inputManager.checkingStayList.Remove(this);
            }
        }

        public void ExecuteFinalJudge(float triggerTime)
        {
            if (isFirstJudged && !isFinalJudged && preJudgeType != NoteJudgeType.NotJudged && 
                GameManager.instance.songTime >= exactJudgeTime)
            {
                if (preJudgeType == NoteJudgeType.Perfect)
                {
                    Perfect(triggerTime);
                }
                else if (preJudgeType == NoteJudgeType.Good)
                {
                    Good(triggerTime);
                }
                else if (preJudgeType == NoteJudgeType.Bad)
                {
                    Bad(triggerTime);
                }
                else if (preJudgeType == NoteJudgeType.Miss)
                {
                    Miss(triggerTime);
                }

                if (preJudgeType != NoteJudgeType.Miss)
                {
                    noteAudioSubmodule.PlayGeneralJudgeAudios();
                }
                
                isFinalJudged = true;
            }
        }
    }
    
    public partial class Stay
    {
        public override void SetDefaultSubmodules()
        {
            base.SetDefaultSubmodules();
            noteAudioSubmodule = new NoteAudioSubmodule(this, "DefaultStay");
        }

        public override void SaveBM()
        {
            matchedBM = new Stay_BM(elementName, elementGuid, tags, parentElement.matchedBM as GameElement_BM, exactJudgeTime);
        }
    }
    
    public partial class Stay
    {
        public bool CheckJudgeAvailability(InputUnitSlide inputUnitSlide)
        {
            return noteJudgeSubmodule.judgeUnitList.All(judgeUnit => judgeUnit.CheckJudgeAvailability(inputUnitSlide));
        }
    }
    
    namespace Beatmap
    {
        public class Stay_BM : NoteBase_BM
        {
            public Stay_BM()
            {
                
            }
            
            public Stay_BM(string elementName, Guid elementGuid, List<string> tags, GameElement_BM attachedElement, float exactJudgeTime) 
                : base(elementName, elementGuid, tags, attachedElement, exactJudgeTime)
            {
                
            }
            
            public override void ExecuteBM()
            {
                matchedElement = Stay.GenerateElement(elementName, elementGuid, tags, false, 
                    GetElement(attachedElementGuid), exactJudgeTime);
            }

            public override GameElement DuplicateBM(GameElement parent)
            {
                return Stay.GenerateElement(elementName, Guid.NewGuid(), tags, false, parent, exactJudgeTime);
            }
        }
    }
}