using Ichni.Story.Dialogue;
using Ichni.UI;
using UnityEngine;
using UnityEngine.Events;

namespace Ichni.Story.UI
{
    /// <summary>
    /// 对话系统专用的 UI 页面容器。
    /// 接管整个对话面板的淡入淡出及交互状态控制，
    /// 将显示生命周期与对话流逻辑 (VNDialoguePresenter) 彻底解耦。
    /// </summary>
    public class DialogUIPage : UIPageBase
    {
        public static DialogUIPage instance;

        [Header("立绘舞台")]
        public VNPortraitStage portraitStage;

        [Header("台词区")]
        public TMPro.TextMeshProUGUI dialogueText;
        public GameObject speakerContainer;
        public TMPro.TextMeshProUGUI speakerText;

        [Header("推进按钮")]
        public UnityEngine.UI.Button advanceButton;
        [Tooltip("点击后自动快进，直到遇到选项")]
        public UnityEngine.UI.Button fastForwardButton;

        [Header("选项区")]
        public GameObject choiceFrame;
        public ChoiceButton[] choiceButtons = new ChoiceButton[4];

        [Header("动态组件")]
        public DialogWheel dialogWheel;
        
        protected override void Awake()
        {
            base.Awake();
            
            if (instance == null)
            {
                instance = this;
            }
            else
            {
                Destroy(gameObject);
                return;
            }
            
            // 默认启动时强制隐藏
            if (mainCanvasGroup != null)
            {
                mainCanvasGroup.alpha = 0f;
                mainCanvasGroup.interactable = false;
                mainCanvasGroup.blocksRaycasts = false;
                mainCanvasGroup.gameObject.SetActive(false);
            }
        }

        public void PlayFadeIn(UnityAction onComplete = null)
        {
            FadeIn(0.2f, false, onComplete);
        }

        public void PlayFadeOut(UnityAction onComplete = null)
        {
            FadeOut(0.2f, false, onComplete);
        }
    }
}