using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UIElements;

/// <summary>
/// 采集器连线插头
/// </summary>
public class Device_LinePlug : Device_Base
{
    public LineRenderer lineRenderer;
    public List<Transform> point;
    /// <summary>
    /// 连接的点
    /// </summary>
    public Line_end currentScrewEnd;

    public bool isChose;

    private Vector3 initPos;

    /// <summary>
    /// 选中事件
    /// </summary>
    public Action<bool> choseAction;
    /// <summary>
    /// 安装拆除事件
    /// </summary>
    public Action<bool, string> installAction;

    protected override void OnAwake()
    {
        base.OnAwake();
        initPos = transform.localPosition;
        if (GameManager.RunModelMgr.SceneType != E_SceneType.Site)
        {
            lineRenderer.enabled = false;
        }
    }
    protected override void OnMDown()
    {
        base.OnMDown();
        if (triggerAction == null || triggerAction.Invoke(triggerName, true)==0)
        {
            Invoke("Chose", 0.2f);
        }
    }

    private void LateUpdate()
    {
        if (GameManager.RunModelMgr.SceneType == E_SceneType.Site)
        {
            if (isChose)
            {
                //跟随鼠标移动
                Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
                transform.position = ray.origin + ray.direction * 0.5f;
                //点击安装
                if (Input.GetMouseButtonDown(0))
                {
                    if (Physics.Raycast(ray, out RaycastHit hit))
                    {
                        Line_end end = hit.transform.GetComponent<Line_end>();
                        if (end != null)
                        {
                            if (GameManager.ProcessMgr.IsRightSubProcessStepsTriggerID(end.triggerName, true) == 0)
                            {
                                Install(end);
                                NoChose();
                            }
                            return;
                        }
                    }

                    if (GameManager.RunModelMgr.ModeType != E_ModeType.Study)
                    {
                        NoChose();
                        transform.localPosition = initPos;
                        transform.localEulerAngles = new Vector3(-180, 0, 0);
                    }
                }
            }

            //连线
            List<Vector3> tmps = new List<Vector3>();
            point.ForEach(p => { tmps.Add(p.position); });
            lineRenderer.startWidth = 0.0025f;
            lineRenderer.endWidth = 0.0025f;
            lineRenderer.positionCount = tmps.Count;
            lineRenderer.SetPositions(tmps.ToArray());
        }
    }

    private void Chose()
    {
        isChose = true;
        GetComponent<BoxCollider>().enabled = false;
        //拆除
        Uninstall();
        //显示连线点
        choseAction?.Invoke(true);
    }

    private void NoChose()
    {
        isChose = false;
        GetComponent<BoxCollider>().enabled = true;
        //隐藏连线点
        choseAction?.Invoke(false);
    }

    /// <summary>
    /// 安装插头
    /// </summary>
    /// <param name="end"></param>
    public void Install(Line_end end)
    {
        if (currentScrewEnd != end)
        {
            currentScrewEnd = end;
            Transform tmpParent = transform.parent;
            transform.parent = end.transform;
            transform.position = end.transform.position;
            transform.localEulerAngles = new Vector3(90, 0, 0);
            transform.parent = tmpParent;
            installAction?.Invoke(true, end.triggerName);
            base.CallScoreAction(true, "采集器连线_" + triggerName + "_" + end.triggerName);
        }
    }

    /// <summary>
    /// 拆除接头
    /// </summary>
    public void Uninstall() 
    {
        if (currentScrewEnd != null)
        {
            string tmpEnd = currentScrewEnd.triggerName;
            currentScrewEnd = null;
            installAction?.Invoke(false, tmpEnd);
        }
    }
}