using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using AX.MessageSystem;
using System;

public class FDTruckMessage : MonoBehaviour {

    public Organization org;
    public FireCarEngine fireCarEngine;
    public Vector3 objWorldPos;
    public Color color;

    //作战部署顶视图UI
    private Transform FireDeployRawImage;
    //作战部署顶视图相机
    private Camera FireDeployCamera;
    //UIRoot
    private Canvas canvas;

    private Vector3 mousePosOnUI;

    private bool isHeadHiden = true;//true表示车，人头顶信息隐藏了;默认为true
    private bool isEngineHiden = false;//true表示力量（车，人）已隐藏;默认为false

    // Use this for initialization
    void Start () {
        FireDeployCamera = GameObject.Find("FireDeployCamera").GetComponent<Camera>();
        FireDeployRawImage = GameObject.Find("OperationalPreparations/MainWindow/RawImage").transform;
        canvas = GameObject.Find("Canvas").GetComponent<Canvas>();

        MessageDispatcher.AddListener("DEPT_ENGINES_HIDE", EnginesHideORShow);
        MessageDispatcher.AddListener("DEPT_ENGINES_HEAD_HIDE",EnginesHeadHide);
    }

    private void OnDestroy()
    {
        MessageDispatcher.RemoveListener("DEPT_ENGINES_HIDE", EnginesHideORShow);
        MessageDispatcher.RemoveListener("DEPT_ENGINES_HEAD_HIDE", EnginesHeadHide);
    }

    private void EnginesHeadHide(IMessage obj)
    {
        var data = (bool)obj.Data;
        isHeadHiden = !data;

        if (!isEngineHiden)
        {
            transform.Find("Line").gameObject.SetActive(data);
            transform.Find("Head").gameObject.SetActive(data);
        }
        else
        {
            LoadPromptWin.Instance.LoadTextPromptWindow("消防车，消防员隐藏时，不能控制头顶信息显隐", 1f);
        }
    }

    private void EnginesHideORShow(IMessage obj)
    {
        var data = (KeyValuePair<Organization, bool>)obj.Data;
        if (data.Key.Id == org.Id)
        {
            transform.Find("Toggle").gameObject.SetActive(data.Value);
            if (!isHeadHiden)
            {
                transform.Find("Line").gameObject.SetActive(data.Value);
                transform.Find("Head").gameObject.SetActive(data.Value);
            }

            isEngineHiden = !data.Value;
        }
    }

    // Update is called once per frame
    void Update () {

        //视口大小高与视口渲染的顶视图UI高的比例
        var factor_y = (FireDeployCamera.orthographicSize * 2) /
            FireDeployRawImage.GetComponent<RectTransform>().sizeDelta.y;
        //视口大小长与视口渲染的顶视图UI长的比例
        var factor_x = (FireDeployCamera.orthographicSize * 2) * FireDeployCamera.aspect /
            FireDeployRawImage.GetComponent<RectTransform>().sizeDelta.x;

        if (!InputManager.isDargUI)//TODO:判断UI是否拖动
        {
            Vector3 localOffset = FireDeployCamera.transform.InverseTransformPoint(objWorldPos);
            Vector3 offset = new Vector3(localOffset.x / factor_x, localOffset.y / factor_y, 0);
            mousePosOnUI = offset;

            transform.GetComponent<RectTransform>().localPosition = mousePosOnUI;
        }
        else
        {
            mousePosOnUI = transform.GetComponent<RectTransform>().localPosition;

            Vector2 offset = mousePosOnUI;

            //顶视图相机的局部坐标系中相对于其中心点的偏移量
            Vector3 localOffset = new Vector3(offset.x * factor_x, offset.y * factor_y, 0);
            //鼠标点击在作战部署顶视图上的点映射到世界坐标系中的点
            objWorldPos = FireDeployCamera.transform.TransformPoint(localOffset);
        }
    }
}