//--------------------------------------------------------
//    [Author]:           玩个游戏
//    [  Date ]:           Tuesday, October 31, 2017
//--------------------------------------------------------
using UnityEngine;
using UnityEngine.EventSystems;

using System;


//关联按钮，其中一个亮起，其他按下，文字颜色对应变更
//数据更新通过SelectBtn更新 或者 GroupButtonExManager.SelectButton
public class GroupButtonEx : ButtonEx
{
    [SerializeField] GroupButtonExManager m_Manager; // 按钮组管理器引用
    public GroupButtonExManager manager
    {
        get { return m_Manager; }
        set
        {
            if (m_Manager != value)
            {
                // 从旧管理器移除并添加到新管理器
                if (m_Manager != null)
                {
                    m_Manager.RemoveButton(this);
                }

                m_Manager = value;

                if (m_Manager != null)
                {
                    m_Manager.AddButton(this);
                }
            }
        }
    }

    [NonSerialized] TitleBtnState m_State = TitleBtnState.Normal;
    public TitleBtnState state
    {
        get { return m_State; }
        set
        {
            if (m_State != value)
            {
                m_State = value;
            }
        }
    }

    [SerializeField] ImageEx m_SelectIcon;
    public ImageEx selectIcon
    {
        get { return this.m_SelectIcon; }
        set { this.m_SelectIcon = value; }
    }

    [SerializeField] ImageEx m_UnSelectIcon;
    public ImageEx unSelectIcon
    {
        get { return this.m_UnSelectIcon; }
        set { this.m_UnSelectIcon = value; }
    }

    [SerializeField] TextEx m_Title;
    public TextEx title
    {
        get { return this.m_Title; }
        set { this.m_Title = value; }
    }

    [SerializeField] UIEffectPlayer m_SelectEffect;  //选中特效
    public UIEffectPlayer selectEffect
    {
        get { return m_SelectEffect; }
        set { m_SelectEffect = value; }
    }


    protected override void Awake()
    {
        base.Awake();
        // 确保已添加到管理器
        if (m_Manager != null)
        {
            m_Manager.AddButton(this);
        }
    }

    protected override void OnDestroy()
    {
        if (m_Manager != null)
        {
            m_Manager.RemoveButton(this);
        }
        base.OnDestroy();
    }

    public override void OnPointerClick(PointerEventData eventData)
    {
        base.OnPointerClick(eventData);
        SelectBtn();
    }

    // 选中当前按钮，只处理刷新显示
    public void SelectBtn(bool forceRefresh = false)
    {
        if (m_State == TitleBtnState.Click && !forceRefresh)
            return;

        // 通过管理器处理选中逻辑
        if (m_Manager != null)
        {
            m_Manager.SelectButton(this);
        }

    }

    // 更新按钮状态
    public void UpdateButtonState()
    {
        // 更新图标显示
        if (m_SelectIcon != null)
            m_SelectIcon.SetActive(m_State == TitleBtnState.Click);

        if (m_UnSelectIcon != null)
            m_UnSelectIcon.SetActive(m_State != TitleBtnState.Click);

        // 更新文字颜色
        if (m_Title != null && m_Manager != null)
        {
            m_Title.color = m_Manager.GetTextColorForState(m_State);
        }

        if (m_SelectEffect != null)
        {
            if (m_State == TitleBtnState.Click)
            {
                //选中，显示特效
                m_SelectEffect.Play();
            }
            else
            {
                m_SelectEffect.Stop();
            }
        }
    }
}