using System.Collections;
using System.Collections.Generic;
using System.Linq;
using UnityEngine;
using UnityEngine.EventSystems;
using UnityEngine.UI;

public class TabItem : MonoBehaviour
{
    public CustomItem customItem;

    public Image showIcon;
    public Text nameText;
    public Sprite nochoseSprite;
    public Sprite choseSprite;
    public Font nochoseFont;
    public Font choseFont;


    public Vector2 posPercent;
    private RectTransform parentRectTransform;
    private RectTransform tabRectTransform;
    private RectTransform textRectTransform;
    private RectTransform layoutRectTransform;

    /// <summary>
    /// 办事处按钮
    /// </summary>
    public List<WorkPlaceItem> workPlaceItems;
    void Awake()
    {
        parentRectTransform = transform.parent.GetComponent<RectTransform>();
        tabRectTransform=GetComponent<RectTransform>();
        textRectTransform = nameText.transform.GetComponent<RectTransform>();
        layoutRectTransform = transform.Find("layout").GetComponent<RectTransform>();

#if UNITY_EDITOR
        Debug.Log("地图比例:"+gameObject.name + "    " + tabRectTransform.anchoredPosition.x / parentRectTransform.rect.width + "  " + tabRectTransform.anchoredPosition.y / parentRectTransform.rect.height);
#endif

        if (customItem != null)
        {
            List<Button> btns = transform.Find("layout").GetComponentsInChildren<Button>(true).ToList();
            for (int i = 0; i < btns.Count; i++)
            {
                int index = i;
                //点击办事处按钮
                btns[index].onClick.AddListener(() =>
                {
                    workPlaceItems[index].Click();
                    FirstPanel.instance.tab.GetComponentsInChildren<TabItem>().ToList().ForEach(a =>
                    {
                        if (a != this)
                        {
                            a.SetNoChoseState();
                        }
                        else
                        {
                            //标签状态选中
                            a.PointIn();
                        }
                    });
                });
            }
        }
    }

    bool isin=false;

    void Update()
    {
        tabRectTransform.anchoredPosition = new Vector2(posPercent.x * parentRectTransform.rect.width, posPercent.y * parentRectTransform.rect.height);
         
        RectTransformUtility.ScreenPointToLocalPointInRectangle(textRectTransform, Input.mousePosition, null, out Vector2 localPos);
        RectTransformUtility.ScreenPointToLocalPointInRectangle(layoutRectTransform, Input.mousePosition, null, out Vector2 localPos2);
        //检测鼠标是否在tabtext里面或者layout里
        if (textRectTransform.rect.Contains(localPos) || layoutRectTransform.rect.Contains(localPos2))
        {
            if (!isin) 
            {
                isin = true;
                PointIn();
                Debug.Log("进入");
            };
        }
        else
        {
            if (isin) 
            {
                isin = false;
                PointOut();
                Debug.Log("离开");
            };
        }

    }

    public void PointIn()
    {
        showIcon.gameObject.SetActive(true);
        GetComponent<Image>().sprite = choseSprite;
        //联动
        if (customItem != null)
        {
            nameText.fontSize = 80;
            nameText.font = choseFont;
            nameText.color= Color.white;
            customItem.PointIn(null);
            //显示箭头
            transform.Find("箭头").gameObject.SetActive(true);
        }

        //显示办事处
        transform.Find("layout").gameObject.SetActive(true);
    }

    public void PointOut()
    {
        //选中此关区，不切换状态
        if (customItem != null && FirstPanel.currentChoseCustonItem == customItem) 
        {
            return;
        }

        SetNoChoseState();
    }

    /// <summary>
    /// 未选中状态
    /// </summary>
    public void SetNoChoseState()
    {
        showIcon.gameObject.SetActive(false);
        GetComponent<Image>().sprite = nochoseSprite;
        //联动
        if (customItem != null)
        {
            nameText.fontSize = 60;
            nameText.font = nochoseFont;
            nameText.color = new Color(148f / 255f, 184f / 255f, 1, 1);
            customItem.PointOut(null);
            //隐藏箭头
            transform.Find("箭头").gameObject.SetActive(false);
        }
        //隐藏办事处
        transform.Find("layout").gameObject.SetActive(false);
    }

    /// <summary>
    /// 点击海关标签
    /// </summary>
    /// <param name="data"></param>
    public void Click(BaseEventData data)
    {
        if (customItem != null)
        {
            //点海关，进入海关页面
            customItem.EnterCity();
            //其他状态取消
            FirstPanel.instance.tab.GetComponentsInChildren<TabItem>().ToList().ForEach(a => 
            {
                if(a!=this)
                {
                    a.SetNoChoseState();
                }
                else
                {
                    //标签状态选中
                    a.PointIn();
                }
            });
        }
    }
}