using Entitas;
using System.Collections.Generic;
using UnityEngine;
using Game;

public class AnimationSystem : IExecuteSystem, IInitializeSystem
{
    private Dictionary<string, int> _paramId;
    private IGroup<GameEntity> _entities;

    public void Initialize()
    {
        _entities = Util.GetGroup(GameMatcher.Animation);
        _paramId = new Dictionary<string, int>();
        RegisterAnimationParam();
    }

    private void RegisterAnimationParam()
    {
        var aniParams = new List<string>()
        {
            "isFreeControl",
            "isTimelineAnother",
            "isGround",
            "isWalk",
            "isStagger",
            "isStun",
            "speedX",
            "speedY",
            "dieTrigger",
            "hitTrigger",
            "mhitTrigger",
            "lhitTrigger",
            "airhitTrigger",
            "stunhitTrigger",
            "reboundTrigger",
            "resetTrigger",
        };
        foreach (var item in aniParams)
        {
            _paramId[item] = Animator.StringToHash(item);
        }
    }

    public void Execute()
    {
        foreach (var entity in _entities)
        {
            UpdateMoveAnimationParam(entity);
        }
    }

    private void UpdateMoveAnimationParam(GameEntity entity)
    {
        var animation = entity.animation;
        var move = entity.move;
        var velocity = Util.EntityVelocity(entity.ID());
        var animator = animation.Animator;
        animator.SetBool(Id("isFreeControl"), entity.iD.Data.IsFreeControl);
        animator.SetBool(Id("isTimelineAnother"), animation.IsTimelineAnother);
        animator.SetBool(Id("isGround"), move.IsGroundLogic);
        animator.SetBool(Id("isWalk"), move.IsWalk);
        animator.SetBool(Id("isStagger"), Util.EntityIsStagger(entity));
        animator.SetBool(Id("isStun"), Util.HasStunBuff(entity.ID()));
        animator.SetFloat(Id("speedX"), Mathf.Abs(velocity.x));
        animator.SetFloat(Id("speedY"), Mathf.Abs(velocity.y));

        if (animation.ResetMsg)
        {
            animator.SetTrigger(Id("resetTrigger"));
            animation.ResetMsg = false;
        }
        else
        {
            if (animation.DieMsg)
            {
                animator.SetTrigger(Id("dieTrigger"));
            }
            else
            {
                if (animation.HitMsg)
                {
                    animator.SetTrigger(Id("hitTrigger"));
                }
                else if (animation.MHitMsg)
                {
                    animator.SetTrigger(Id("mhitTrigger"));
                }
                else if (animation.LHitMsg)
                {
                    animator.SetTrigger(Id("lhitTrigger"));
                }
                else if (animation.AirHitMsg)
                {
                    animator.SetTrigger(Id("airhitTrigger"));
                }
                else if (animation.StunHitMsg)
                {
                    animator.SetTrigger(Id("stunhitTrigger"));
                }
                else if (animation.ReboundMsg)
                {
                    animator.SetTrigger(Id("reboundTrigger"));
                }
            }
        }

        animation.DieMsg = false;
        animation.HitMsg = false;
        animation.MHitMsg = false;
        animation.LHitMsg = false;
        animation.AirHitMsg = false;
        animation.StunHitMsg = false;
        animation.ReboundMsg = false;
    }

    private int Id(string paramName)
    {
        return _paramId[paramName];
    }
}