using UnityEngine;
using UnityEngine.UI;
using UnityEngine.EventSystems;
using System.Collections.Generic;
using Logic.CrashSight;
using TH1_Core.Managers;
using UI;

public class ChooseUISettingBarController : MonoBehaviour
{
    public string buttonGroupName = "ButtonGroup";
    
    private Transform buttonGroup;
    private List<Button> buttons = new List<Button>();
    private Button selectedButton;

    // 高亮与默认颜色
    private readonly Color selectedColor = new Color32(0x00, 0x00, 0x00, 112);    // #000000, alpha 112
    private readonly Color normalColor = new Color32(0x00, 0x00, 0x00, 1);    // #000000, alpha 1

    void Start()
    {
        selectedButton = null;
        buttonGroup = transform.Find(buttonGroupName);
        if (buttonGroup == null)
        {
            LogSystem.LogError($"ButtonGroup '{buttonGroupName}' not found under {gameObject.name}");
            return;
        }

        // 查找所有按钮并绑定点击事件
        foreach (Transform child in buttonGroup)
        {
            Button btn = child.GetComponent<Button>();
            if (btn != null)
            {
                buttons.Add(btn);
                btn.onClick.AddListener(() => OnButtonClicked(btn));
                
                Image bgImage = btn.transform.Find("BG")?.GetComponent<Image>();
                if (bgImage != null)
                {
                    bgImage.color = (btn == selectedButton) ? selectedColor : normalColor;
                }
            }
        }

        // 设置默认选项
        if (buttons.Count > 0)
        {
            int deft = buttons.Count - 1;
            //地图默认 18x18
            if (gameObject.name == "MapSize" && deft >= 3)
                deft = 3;
            //玩家默认 8
            if (gameObject.name == "EnemyCount" && deft >= 6)
                deft = 6;
            //难度默认 LUNATIC
            if (gameObject.name == "Difficulty" && deft >= 3)
                deft = 3;
            //模式默认 征服模式
            if (gameObject.name == "Mode" && deft >= 1)
                deft = 1;
            
            
            OnButtonClicked(buttons[deft],true);
            
            
        }
            
    }

    private void OnButtonClicked(Button clickedButton, bool specialWay = false)
    {
        //mapSize目前设置为不可点击
        if (gameObject.name == "MapSize" && !specialWay)
            return;
        
        selectedButton = clickedButton;

        foreach (Button btn in buttons)
        {
            Image bgImage = btn.transform.Find("BG")?.GetComponent<Image>();
            if (bgImage == null) continue;
            //如果是选中的btn
            if(btn == selectedButton )
            {
                //修改按钮颜色
                bgImage.color =  selectedColor;
            }
            //如果不是选中的btn
            else
            {
                //修改按钮颜色
                bgImage.color = normalColor;
            }
        }
        //通知ChooseUI发生了一次选择,更新选择界面的显示
        //UIManager.Instance.GameUI.ChooseUI.SelectUpdate();
    }

    //获取选择选项的name
    public string GetSelectedButtonName()
    {
        return selectedButton != null ? selectedButton.name : "";
    }
    
    //将一个name的选项选中
    public bool SetSelectedByButtonName(string buttonName)
    {
        foreach (var but in buttons)
        {
            if (but.gameObject.name == buttonName)
            {
                OnButtonClicked(but,true);
                return true;
            }
                
        }
        return false;
    }
}