using UnityEngine;
using UnityEngine.UI;

namespace GameFramework
{
    /// <summary>
    /// 主菜单 UI 控制器（游戏封面）。
    /// 包含游戏标题 + 开始游戏/剧情回放/制作人员按钮。
    /// </summary>
    public class MainMenuUIController : MonoBehaviour
    {
        [Header("标题")]
        [SerializeField] Text titleText;
        [SerializeField] Image titleImage;

        [Header("Buttons")]
        [SerializeField] Button startButton;
        [SerializeField] Button storyReplayButton;
        [SerializeField] Button creditsButton;
        [SerializeField] Button quitButton;

        [Header("Settings Panel (placeholder)")]
        [SerializeField] GameObject settingsPanel;
        [SerializeField] Button settingsBackButton;

        void Start()
        {
            // 绑定按钮事件
            if (startButton != null)
                startButton.onClick.AddListener(OnStartClick);

            if (storyReplayButton != null)
                storyReplayButton.onClick.AddListener(OnStoryReplayClick);

            if (creditsButton != null)
                creditsButton.onClick.AddListener(OnCreditsClick);

            if (quitButton != null)
                quitButton.onClick.AddListener(OnQuitClick);

            if (settingsBackButton != null)
                settingsBackButton.onClick.AddListener(OnSettingsBackClick);

            // 确保设置面板初始关闭
            if (settingsPanel != null)
                settingsPanel.SetActive(false);
        }

        void OnStartClick()
        {
            if (SceneLoader.Instance != null)
                SceneLoader.Instance.LoadGameplayScene();
        }

        void OnStoryReplayClick()
        {
            // TODO: 实现剧情回放功能
            Debug.Log("[MainMenu] 剧情回放 - 待实现");
        }

        void OnCreditsClick()
        {
            // TODO: 实现制作人员界面
            Debug.Log("[MainMenu] 制作人员 - 待实现");
        }

        void OnSettingsBackClick()
        {
            if (settingsPanel != null)
                settingsPanel.SetActive(false);
        }

        void OnQuitClick()
        {
#if UNITY_EDITOR
            UnityEditor.EditorApplication.isPlaying = false;
#else
            Application.Quit();
#endif
        }
    }
}