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


#if UNITY_EDITOR
using UnityEditor;
#endif

public enum eTabType { BGColorChange, BGImageChange, OnOff }

[Serializable]
public class TabUIData
{
    /// <summary>
    /// (자동설정) 탭 순서 0~
    /// </summary>
    public int m_Index { get; set; }

    public bool SetImg = true;
    public int n_btnName = 0;
    public string btnName, imgName_On, imgName_Off;
    public int n_Update = 0;
    public bool CanTouch = true;

    /// <summary>
    /// 버튼을 터치했을 때 액션
    /// </summary>
    public Action onClick;

    /// <summary>
    /// (자동설정) 선택된 탭 설정, 탭 UI 상태 갱신
    /// </summary>
    [HideInInspector] public Action<int> onTabAction;
}

public class TabUIBase : uScrollViewMgr
{
    [Header("Tab to be open on first run (-1 == None)")]
    public int FirstTab = 0;

    int m_Index = 0;

    [Header("<color=green>Individual tab settings should be configured in the child object (tab_dontDelete).")]
    [Header("<color=red>(Required) Please set the tab data (list_tabData).")]
    [Header("n_btnName : Local table int Key")]
    [Header("btnName : Use text instead of local key (e.g. 1 2 3, etc.)")]
    [Header("n_Update : Local key for content scheduled for update (0 == None)")]
    [Header("CanTouch : Whether the button can be touched (usually controlled by script)")]
    public List<TabUIData> list_tabData;

    public override void Set(Action action)
    {
        if (go_card.activeSelf) go_card.SetActive(false);

        for (int i = 0; i < list_tabData.Count; i++)
        {
            list_tabData[i].m_Index = i;
            list_tabData[i].onTabAction = OnClick_Tab;
            list_tabData[i].onClick = action;
        }
        Set_ScrollView(list_tabData);

        Set_Index(FirstTab);
        if (FirstTab == -1)
        {
            FirstTab = -2;
            Set_Index(-1);
        }
        else
        {
            if (FirstTab > -1)
                Set_Index(FirstTab);
            OnClick_Tab(m_Index);
        }

        Set_UI();
    }

    public override void Set_UI()
    {
        for (int i = 0; i < list_CardBase.Count; i++)
        {
            if (list_CardBase[i].Get_IntData() == m_Index)
                list_CardBase[i].Set_CardType(eUICardType.UI);
            else
                list_CardBase[i].Set_CardType(eUICardType.NoTouch);
        }
    }

    public void Set_Index_Set_UI(int index)
    {
        if (Get_Index() != index)
        {
            Set_Index(index);
            Set_UI();
        }
    }
    public void Set_Index(int index) { m_Index = index; }
    public int Get_Index() { return m_Index; }

    public void OnClick_Tab_byScript(int index)
    {
        for (int i = 0; i < list_CardBase.Count; i++)
        {
            if (list_CardBase[i].Get_IntData() == index)
            {
                (list_CardBase[i] as TabCardBase).OnClickTab_Force();
                break;
            }
        }
    }

    void OnClick_Tab(int index)
    {
        if (list_tabData[index].n_Update > 0)
            Popup.Ins.Set(ePopupType.One, list_tabData[index].n_Update);
        else
        {
            m_Index = FirstTab == -2 && index == m_Index ? -1 : index;
            Set_UI();
        }
    }



    // 인스펙터에서 값이 변경될 때마다 이 함수가 호출됩니다.
    [SerializeField, HideInInspector]
    private int prevCount = 0;

    private void OnValidate()
    {
        if (list_tabData == null) return;

        // 요소가 추가된 경우
        if (list_tabData.Count > prevCount)
        {
            for (int i = prevCount; i < list_tabData.Count; i++)
            {
                var tab = list_tabData[i];
                tab.CanTouch = true;
            }
        }
        // 요소가 삭제된 경우
        else if (list_tabData.Count < prevCount)
        {
            // prevCount를 현재 개수로 맞춰줌
            // (데이터 수정은 필요 없음)
        }

        // 현재 개수 기록
        prevCount = list_tabData.Count;
    }
}

#if UNITY_EDITOR
[CustomEditor(typeof(TabCardBase))]
public class TabUIEditor : Editor
{
    public override void OnInspectorGUI()
    {
        serializedObject.Update();

        SerializedProperty tabTypeProp = serializedObject.FindProperty("m_TabType");
        EditorGUILayout.PropertyField(tabTypeProp);

        // enum-based fields
        eTabType type = (eTabType)tabTypeProp.enumValueIndex;
        switch (type)
        {
            case eTabType.BGColorChange:
                EditorGUILayout.PropertyField(serializedObject.FindProperty("color_bg_on"));
                EditorGUILayout.PropertyField(serializedObject.FindProperty("color_bg_off"));
                break;

            case eTabType.BGImageChange:
                EditorGUILayout.PropertyField(serializedObject.FindProperty("Tab_BG_Img_on"));
                EditorGUILayout.PropertyField(serializedObject.FindProperty("Tab_BG_Img_off"));
                break;

            case eTabType.OnOff:
                EditorGUILayout.PropertyField(serializedObject.FindProperty("go_TabOnOff_on"));
                EditorGUILayout.PropertyField(serializedObject.FindProperty("go_TabOnOff_off"));
                break;
        }

        // common
        EditorGUILayout.PropertyField(serializedObject.FindProperty("color_text_on"));
        EditorGUILayout.PropertyField(serializedObject.FindProperty("color_text_off"));
        EditorGUILayout.PropertyField(serializedObject.FindProperty("color_img_on"));
        EditorGUILayout.PropertyField(serializedObject.FindProperty("color_img_off"));
        EditorGUILayout.PropertyField(serializedObject.FindProperty("Tab_Img_on"));
        EditorGUILayout.PropertyField(serializedObject.FindProperty("Tab_Img_off"));
        EditorGUILayout.PropertyField(serializedObject.FindProperty("gos_off"));

        EditorGUILayout.PropertyField(serializedObject.FindProperty("m_btn"));
        EditorGUILayout.PropertyField(serializedObject.FindProperty("images"));
        EditorGUILayout.PropertyField(serializedObject.FindProperty("texts"));

        serializedObject.ApplyModifiedProperties();


        // 버튼 추가
        if (GUILayout.Button("이미지[1] 삭제"))
        {
            TabCardBase tabCard = (TabCardBase)target;

            if (tabCard.images != null && tabCard.images.Length > 1 && tabCard.images[1] != null)
            {
                // 씬 오브젝트 삭제 (Undo 가능하게)
                Undo.DestroyObjectImmediate(tabCard.images[1].gameObject);

                // 값 null 처리
                var lst = tabCard.images.ToList();
                lst.RemoveAt(1);
                tabCard.images = lst.ToArray();

                // 변경사항 저장
                EditorUtility.SetDirty(tabCard);
            }
            else
            {
                Debug.LogWarning("images[1]가 없습니다.");
            }
        }
    }
}
#endif