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

/// <summary>
/// 拼图控制
/// </summary>
public class MovePolice : MonoBehaviour
{
	//执行此选择
	bool isSelected;

	float distanceRay; //定位点击时计算
	GameObject piece; //分配点击时,将移动。
	Transform[] piecesMove;
	//[HideInInspector]
	//public float positionZ = -0.001f;
	[HideInInspector]
	public bool puzzlePlaying;
	Vector3 offset;
	GameObject lightC;
	public float positionX = 0f;
	public float positionY = 0f;
	public float positionZ = 0f;
	Vector3 positionL;
	//数字资源整合
	[Header("SFX")]
	public AudioSource clickSFX;
	public GameObject menu;
	public bool acitve = true;

	private void Start()
	{
	}
	void Update()
	{
		//鼠标信息
		//按下鼠标
		if (Input.GetMouseButtonDown(0))
		{
			TouchClick();
		}
		//移动鼠标
		if (isSelected)
		{
			MovePiece();
		}
		//释放鼠标
		if (Input.GetMouseButtonUp(0))
		{
			FreePiece();
		}
	}

	/// <summary>
	/// 定位点击点
	/// </summary>
	void TouchClick()
	{
		Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);   //从相机到点的触控点
		RaycastHit hit;
		if (Physics.Raycast(ray, out hit))
		{                          //接收触控，如果有击中目标
								   //print(hit.collider.transform.parent.tag);
			if (hit.collider.gameObject.tag == "shui")
			{
				distanceRay = hit.distance;
				piece = hit.collider.gameObject;
				offset = hit.point - hit.collider.gameObject.transform.position;
				isSelected = true;
			}
			else if (hit.collider.gameObject.transform.parent && (hit.collider.gameObject.transform.parent.name == "GrupoPiezas" || (hit.collider.gameObject.transform.parent.name == "group" && hit.collider.transform.parent.tag == "shui")))
			{
				distanceRay = hit.distance;
				piece = hit.collider.gameObject.transform.parent.gameObject;
				offset = hit.point - hit.collider.gameObject.transform.parent.position;
				isSelected = true;
			}
			else
			{
				isSelected = false;
			}
		}
	}

	/// <summary>
	/// 移动碎片(每帧调用)
	/// </summary>
	void MovePiece()
	{
		Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
		Vector3 limitRay = ray.GetPoint(distanceRay);
		limitRay = new Vector3(limitRay.x, limitRay.y, limitRay.z);
		piece.transform.position = limitRay - offset;
	}

	/// <summary>
	/// 释放碎片
	/// </summary>
	void FreePiece()
	{
		if (isSelected)
		{
			lightC = GameObject.Find("light");
			GameObject screan = GameObject.Find("group/screan");
			positionL = lightC.transform.position;
			positionX = lightC.transform.position.x;
			positionY = lightC.transform.position.y;
			positionZ = lightC.transform.position.z;
			float screanpositionX = screan.transform.position.x;
			float screanpositionY = screan.transform.position.y;
			float screanpositionZ = screan.transform.position.z;
			//piece.transform.position = new Vector3(piece.transform.position.x, piece.transform.position.y, piece.transform.position.z);
			//print(screan);
			//print(screan.tag);
			if (piece.name == "group")
			{
				if (
					(positionX - piece.transform.position.x < 0.5f && positionX - piece.transform.position.x > -0.5f) &&
					(positionY - piece.transform.position.y < -0.5f && positionY - piece.transform.position.y > -1.5f) &&
					(positionZ - piece.transform.position.z < 0.35f && positionZ - piece.transform.position.z > -0.35f)
					)
				{
					piece.transform.SetParent(lightC.transform.parent);
					piece.transform.position = new Vector3(positionX, positionY + 0.8f, positionZ + 0.08f);
					clickSFX.Play();
					piece.tag = "screan";
				}
			}
			if (piece.name == "ai")
			{
				if (
					(positionX - piece.transform.position.x < 0.5f && positionX - piece.transform.position.x > -0.5f) &&
					(positionY - piece.transform.position.y < -0.5f && positionY - piece.transform.position.y > -1.5f) &&
					(positionZ - piece.transform.position.z < 0.35f && positionZ - piece.transform.position.z > -0.65f)
					)
				{
					piece.transform.SetParent(lightC.transform.parent);
					piece.transform.position = new Vector3(positionX, positionY + 0.8f, positionZ - 0.08f);
					clickSFX.Play();
					piece.tag = piece.name;
				}
			}
			if (piece.name == "tou")
			{
				if (
					(screanpositionX - piece.transform.position.x < 0.5f && screanpositionX - piece.transform.position.x > -0.5f) &&
					(screanpositionY - piece.transform.position.y < 1.5f && screanpositionY - piece.transform.position.y > -1.5f) &&
					(screanpositionZ - piece.transform.position.z < 0.5f && screanpositionZ - piece.transform.position.z > -0.5f)
					)
				{
					piece.transform.SetParent(screan.transform.parent);
					piece.transform.position = new Vector3(screanpositionX, screanpositionY + 0.7f, screanpositionZ);
					clickSFX.Play();
					piece.tag = piece.name;
				}
			}

			//print(lightC.transform.parent.childCount);
			if (lightC.transform.parent.childCount == 3 && acitve && screan.transform.parent.childCount == 2)
			{
				Instantiate(menu, GameObject.FindGameObjectWithTag("UI").transform);
				acitve = false;
			}
			else
			{
				acitve = true;
			}
			isSelected = false;
		}
	}
}