using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.InputSystem;
using Sirenix.OdinInspector;

/// <summary>
/// 玩家的控制器部分，玩家主类必须继承这个类才能对控制做出反应
/// </summary>
public class PlayerControl : MonoBehaviour
{
    public PlayerC playerC;

    /// <summary>
    /// 此帧输入方向，-1为左，1为右，0此帧不输入
    /// </summary>
    [SerializeField][ReadOnly][Header("此帧输入方向，-1为左，1为右，0表示此帧不输入")]
    protected int inputDir;
    protected PlayerInteract playerInteract;

    protected Animator animator;

    protected virtual void Start()
    {
        playerC = new PlayerC();
        //playerC.Enable();
        playerC.Normal.Enable();
        //为事件订阅方法
        //为移动操作订阅方法
        playerC.Normal.Move.performed += ctx => OnMove(ctx);
        playerC.Normal.Move.canceled += ctx => { inputDir = 0; };
        //为攻击操作订阅方法
        playerC.Normal.Atk.performed += ctx => OnAtk();
        //为跳跃操作订阅方法
        playerC.Normal.Jump.performed += ctx => OnJump();
        //为交互操作订阅方法
        playerC.Normal.Interact.performed += ctx => OnInteract();
        //为左切换操作订阅方法
        playerC.Normal.LeftChange.performed += ctx => OnLeftChange();
        //为右切换操作订阅方法
        playerC.Normal.RightChange.performed += ctx => OnRightChange();


        //给玩家物体添加子物体：互动侦察器
        GameObject checker = new GameObject("互动侦察器");//新建游戏物体：互动侦察器
        checker.transform.SetParent(transform);//将其设置为玩家的子物体
        playerInteract = checker.AddComponent<PlayerInteract>();//增加玩家互动侦察器组件
        checker.AddComponent<BoxCollider2D>().isTrigger = true;//增加碰撞盒，并将其设置为触发器
        checker.GetComponent<BoxCollider2D>().size = new Vector2(1f, 1f);//设置碰撞盒大小
        checker.transform.localPosition = Vector3.zero;//设置碰撞盒位置

        //找到动画机
        animator = GetComponentInChildren<Animator>();
        if (animator == null)
        {
            Debug.LogError("玩家动画机丢失！");
        }

        //playerC.Dispose();
    }

    public void TellMapStates(){

        if(playerC.Normal.enabled){
            Debug.Log("Normal is Active");
        }
        else
        {
            Debug.Log("Normal is Inactive");
        }
        if(playerC.Null.enabled){
            Debug.Log("Null is Active");
        }
        else
        {
            Debug.Log("Null is Inactive");
        }
    }

    /// <summary>
    /// 当有移动输入的时候触发,因为涉及读值，重些的时候记得必须Base
    /// </summary>
    protected virtual void OnMove(InputAction.CallbackContext ctx){
        //根据读值设置记录的输入方向
        if(ctx.ReadValue<float>() > 0){
            inputDir = 1;
        }else if(ctx.ReadValue<float>() < 0){
            inputDir = -1;
        }
        if(ctx.ReadValue<float>().Equals(0f)){
            inputDir = 0;
        }
    }

    /// <summary>
    /// 按下攻击时触发
    /// </summary>
    protected virtual void OnAtk(){}

    /// <summary>
    /// 按下跳跃时触发
    /// </summary>
    protected virtual void OnJump(){}

    /// <summary>
    /// 按下交互时触发
    /// </summary>
    protected virtual void OnInteract(){
        //如果有交互事件，则调用事件
        playerInteract.OnCall();
    }

    /// <summary>
    /// 按下十字键左或者Q触发
    /// </summary>
    protected virtual void OnLeftChange(){}
    /// <summary>
    /// 按下十字键右或者E触发
    /// </summary>
    protected virtual void OnRightChange(){}


    /// <summary>
    /// 改变玩家的操作地图至参数值
    /// </summary>
    /// <param name="mapName">要改到的操作地图的名称</param>
    public void ToMap(string mapName)
    {
        //先关闭所有的
        CloseAllMaps();
        //再打开指定的
        switch(mapName)
        {
            case "Normal":
                playerC.Normal.Enable();
                break;
            case "Null" :
                playerC.Null.Enable();
                break;
            default:
                Debug.LogError("没有叫" + mapName + "的操作地图");
                break;
        }

    }

    protected void CloseAllMaps()
    {
        //关闭所有的操作地图
        playerC.Normal.Disable();
        playerC.Null.Disable();
    }


    /// <summary>
    /// 触发玩家用触发器触发的动画
    /// </summary>
    /// <param name="behaviorName">触发器名</param>
    public void Behavior(string behaviorName)
    {
        try{
            //触发动画
            animator.SetTrigger(behaviorName);
        }
        catch(System.Exception e)
        {
            e.ToString();
            Debug.LogError("没有找到触发器" + behaviorName);
        }
        
    }


    /// <summary>
    /// 接下来的time后，都无视输入事件
    /// </summary>
    public void StopInputTo(float time)
    {
        ToMap("Null");
        StartCoroutine(RecoverInput(time));
    }

    private IEnumerator RecoverInput(float time)
    {
        yield return new WaitForSeconds(time);
        ToMap("Normal");
    }
}