using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using System.Text;
using Cielonos.MainGame.Characters.Inventory;
using DG.Tweening;
using Opsive.BehaviorDesigner.Runtime;
using Sirenix.OdinInspector;
using SLSUtilities.FunctionalAnimation;
using SLSUtilities.General;
using UniRx;
using UnityEngine;
using UnityEngine.AI;
using Ease = DG.Tweening.Ease;

namespace Cielonos.MainGame.Characters
{
    public partial class Automata : CharacterBase
    {
        public Player player => MainGameManager.Player;
        
        [TitleGroup("Data & Presets")]
        public FuncAnimDataCollection fullBodyFuncAnims;
        public FuncAnimDataCollection upperBodyFuncAnims;
        public AttackData attackData;
        
        [HideInInspector]
        private List<string> registeredFunctionNames = new List<string>();

        [TitleGroup("Submodules")] 
        public ActionRecordSubmodule actionRecordSm;

        [TitleGroup("Subcontrollers")] 
        public BehaviorSubcontroller behaviorSc;
        
        private float getHitTimer;

        protected override void Start()
        {
            base.Start();
            RegisterFuncAnims();
            RegisterFunctionsToAnimSc();
        }

        protected override void InitializeSubmodules()
        {
            base.InitializeSubmodules();
            actionRecordSm = new ActionRecordSubmodule(this);
        }

        protected override void Update()
        {
            base.Update();
            UpdateGetHit();
        }
    }

    public partial class Automata
    {
        public override bool GetHit(BreakthroughType breakthroughType, out float recoveryTime,
            DisruptionType disruptionType = DisruptionType.NormalExternal,
            Vector3 direction = default, string funcAnimName = "")
        {
            if (string.IsNullOrEmpty(funcAnimName))
            {
                funcAnimName = GetHitFuncAnimName(breakthroughType, direction);
            }

            if (base.GetHit(breakthroughType, out recoveryTime, disruptionType, direction, funcAnimName))
            {
                if (getHitTimer <= 0)
                {
                    if (behaviorSc.navMeshAgent.enabled)
                    {
                        behaviorSc.navMeshAgent.isStopped = true;
                    }

                    getHitTimer = recoveryTime;
                }
                else
                {
                    getHitTimer = Mathf.Max(getHitTimer, recoveryTime);
                }

                return true;
            }

            return false;
        }



        protected virtual void UpdateGetHit()
        {
            getHitTimer -= selfTimeSm.DeltaTime;
            if (getHitTimer <= 0)
            {
                if (behaviorSc.navMeshAgent.enabled)
                {
                    behaviorSc.navMeshAgent.isStopped = false;
                }
                //statusSm.RemoveStatus(StatusType.Stun);
            }
        }
    }

    public partial class Automata
    {
        public override void Die()
        {
            eventSm.onDeath.Invoke();
            
            BattleManager.EnemySm.RemoveEnemy(this);
            float deathProcessTime = 0f;
            var deathFuncAnim = fullBodyFuncAnims.animDataList.Find(data => data.animInfo.animationName == "Death");
            if (deathFuncAnim != null)
            {
                animationSc.fullBodyFuncAnimSm.Play("Death");
                behaviorSc.mainBehaviorTree.StopBehavior();
                behaviorSc.navMeshAgent.enabled = false;
                collisionSc.DisableAllColliders();
                deathProcessTime = deathFuncAnim.animationClip.length;
            }
            
            statusSm.isDead = true;

            if (deathProcessTime > 0)
            {
                Observable.Timer(TimeSpan.FromSeconds(deathProcessTime)).Subscribe(_ =>
                {
                    Sequence fade = DOTween.Sequence();
                    foreach (Material mat in renderSc.baseRenderMaterials)
                    {
                        fade.Join(mat.DOFloat(1, "_FadeAmount", 1f).SetEase(Ease.InQuint));
                        //fade.Join(mat.DOColor(Color.clear, "_FadeBurnColor", 1f).SetEase(Ease.Linear));
                    }

                    fade.OnComplete(() => base.Die());
                    fade.Play();
                    
                }).AddTo(gameObject);
            }
            else
            {
                base.Die();
            }
        }
    }

    public partial class Automata
    {
        public Vector3 PredictPlayerPosition(float timeAhead)
        {
            Vector3 currentPosition = player.centerPoint.position;
            Vector3 currentVelocity = player.landMovementSc.horizontalMovement / player.selfTimeSm.DeltaTime;
            return currentPosition + currentVelocity * timeAhead;
        }
    }
    
    public partial class Automata
    {
        public void RegisterFuncAnims()
        {
            if (fullBodyFuncAnims == null) return;
            
            foreach (FuncAnimData funcAnim in fullBodyFuncAnims.animDataList)
            {
                animationSc.fullBodyFuncAnimSm.Add(funcAnim);
            }
            
            /*foreach (FuncAnimData funcAnim in upperBodyFuncAnims.animDataList)
            {
                animationSc.upperBodyFuncAnimSm.Add(funcAnim);
            }*/
        }
        
        protected virtual void RegisterFunctionsToAnimSc(params Action[] functions)
        {
            if (fullBodyFuncAnims == null) return;
            
            RegisterFunctionsToAnimSc();
            
            foreach (Action function in functions)
            {
                string functionName = function.Method.Name;
                if (!animationSc.registeredFunctions.TryAdd(functionName, anim => function()))
                {
                    Debug.LogWarning($"Function {functionName} is already registered.");
                }
                else
                {
                    registeredFunctionNames.Add(functionName);
                }
            }
        }
        
        protected virtual void RegisterFunctionsToAnimSc()
        {
            if (fullBodyFuncAnims == null) return;
            
            foreach (CustomFunction function in fullBodyFuncAnims.preloadFunctions)
            {
                string functionName = function.functionName;
                string FAPF_functionName = new StringBuilder(functionName).Insert(0, "FAPF_").ToString();
                MethodInfo method = GetType().GetMethod(FAPF_functionName, BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic);
                
                if (method == null)
                {
                    Debug.LogWarning($"Function {functionName} not found in {this.GetType().Name}. Skipping registration.");
                    continue;
                }
                
                Action<RuntimeFuncAnim> action = Delegate.CreateDelegate(typeof(Action<RuntimeFuncAnim>), this, method) as Action<RuntimeFuncAnim>;
                registeredFunctionNames.Add(functionName);
                animationSc.registeredFunctions.TryAdd(functionName, action);
            }
        }
        
        protected void RemoveAllRegisteredFunctions()
        {
            foreach (string functionName in registeredFunctionNames)
            {
                if (!animationSc.registeredFunctions.Remove(functionName))
                {
                    Debug.LogWarning($"Function {functionName} is not found.");
                }
            }
            registeredFunctionNames.Clear();
        }
    }
}