using Cielonos.Core.UI;
using Cielonos.MainGame.Characters;
using DG.Tweening;
using Sirenix.OdinInspector;
using SLSUtilities.General;
using SLSUtilities.UI;
using UnityEngine;
using UnityEngine.InputSystem;
using UnityEngine.SceneManagement;

namespace Cielonos.MainGame
{
    public partial class MainGameManager : Singleton<MainGameManager>
    {
        [SerializeField]
        private Player player;
        [SerializeField]
        private MainGameBaseCollection baseCollection;
        [SerializeField]
        private MainGameConfig mainGameConfig;

        [Title("Submodules")] public SceneSubmodule sceneSm;

        protected override void Awake()
        {
            base.Awake();
            sceneSm = new SceneSubmodule(this);
        }

        private void Start()
        {
            Application.targetFrameRate = 120;

            // 订阅 UIPageManager 的输入阻塞事件，联动 isCursorLocked
            if (UIPageManager.Instance != null)
            {
                UIPageManager.Instance.OnInputBlockChanged += OnUIInputBlockChanged;
            }

            if (sceneSm.IsCityArena)
            {
                RunManager.Instance.StartNewRun();
                sceneSm.cityArenaBeginningProcessor.Process();
            }
            else if (sceneSm.IsFortress)
            {
                // 基地场景不需要 RunManager，直接锁定鼠标并开启移动输入
                if (player != null && player.inputSc != null)
                {
                    player.inputSc.isCursorLocked.Value = true;
                }
        
                // 播放淡入动画（如果有 ScreenFader 的话）
                ScreenFader.Instance?.FadeToClear().Play();
            }
        }

        private void Update()
        {
            if (Keyboard.current != null && Keyboard.current.escapeKey.wasPressedThisFrame)
            {
                // 优先：如果有 UI 页面打开，ESC 关闭栈顶页面
                if (UIPageManager.Instance != null && UIPageManager.Instance.HasOpenPages)
                {
                    UIPageManager.Instance.CloseTopPage();
                    return;
                }

#if !UNITY_EDITOR
                // 无页面打开时的 fallback：切换鼠标锁定状态（仅 Build）
                if (Cursor.lockState == CursorLockMode.Locked)
                {
                    Cursor.lockState = CursorLockMode.None;
                    Cursor.visible = true;
                }
                else
                {
                    Cursor.lockState = CursorLockMode.Locked;
                    Cursor.visible = false;
                }
#endif
            }
        }

        private void OnDestroy()
        {
            if (UIPageManager.Instance != null)
            {
                UIPageManager.Instance.OnInputBlockChanged -= OnUIInputBlockChanged;
            }
        }

        /// <summary>
        /// UIPageManager 输入阻塞回调。
        /// blocked = true：有页面打开 → 解锁鼠标，禁用游戏输入。
        /// blocked = false：所有页面关闭 → 锁定鼠标，恢复游戏输入。
        /// </summary>
        private void OnUIInputBlockChanged(bool blocked)
        {
            player.inputSc.isCursorLocked.Value = !blocked;
        }
    }

    public partial class MainGameManager
    {
        public static Player Player => Instance.player;
        public static AttributeSubmodule GlobalAttributeSm => Player.globalAttributeSm;
        public static MainGameBaseCollection BaseCollection => Instance.baseCollection;
        public static MainGameConfig Config => Instance.mainGameConfig;
        
        public static string Seed;
    }
}