using UnityEngine;
using Cinemachine;
using AibisDream.FixSystem;
using AibisDream.Framework;
using System.Collections.Generic;

namespace AibisDream.MiniGame.Language
{
    /// <summary>
    /// 销售系统管理器
    /// </summary>
    public class SalesManager : MonoBehaviour
    {
        [Header("UI配置")]
        [Tooltip("销售系统主视图对象（会自动查找名为'SaleView'的子对象）")]
        [SerializeField] private GameObject saleView;

        [Header("相机配置")]
        [Tooltip("主销售相机")]
        [SerializeField] private CameraEnum mainCamera = CameraEnum.SaleCamera;

        [Tooltip("深度销售相机（可选）")]
        [SerializeField] private CameraEnum deepCamera = CameraEnum.SaleDeepCamera;

        private readonly List<CameraEnum> registeredCameras = new();

        private void Start()
        {
            RegisterToSystem();
            RegisterCameras();
            FindSaleView();
        }

        private void OnDestroy()
        {
            UnregisterCameras();
        }

        /// <summary>
        /// 查找销售视图（按名字"SaleView"）
        /// </summary>
        private void FindSaleView()
        {
            if (saleView == null)
            {
                Transform viewTransform = transform.Find("SaleView");
                if (viewTransform != null)
                {
                    saleView = viewTransform.gameObject;
                    Debug.Log("[SalesManager] 找到 SaleView");
                }
                else
                {
                    Debug.LogWarning("[SalesManager] 未找到名为 'SaleView' 的子对象");
                }
            }

            // 初始时隐藏视图
            if (saleView != null)
            {
                saleView.SetActive(false);
            }
        }

        /// <summary>
        /// 注册到系统字典
        /// </summary>
        private void RegisterToSystem()
        {
            FixSystemCenter.SystemDic.Register(this);
        }

        /// <summary>
        /// 注册所有相机到CameraKit
        /// </summary>
        private void RegisterCameras()
        {
            if (CameraKit.Instance == null)
            {
                Debug.LogError("[SalesManager] CameraKit.Instance 为 null，无法注册相机！");
                return;
            }

            // 获取所有相机
            var virtualCams = GetComponentsInChildren<ICinemachineCamera>();

            if (virtualCams.Length == 0)
            {
                Debug.LogWarning("[SalesManager] 未找到任何 ICinemachineCamera 组件！");
                return;
            }

            // 注册主相机
            if (virtualCams.Length > 0)
            {
                CameraKit.Instance.RegisterCamera(mainCamera, virtualCams[0]);
                registeredCameras.Add(mainCamera);
                Debug.Log($"[SalesManager] 成功注册主相机: {mainCamera}");
            }

            // 注册深度相机（如果有）
            if (virtualCams.Length > 1)
            {
                CameraKit.Instance.RegisterCamera(deepCamera, virtualCams[1]);
                registeredCameras.Add(deepCamera);
                Debug.Log($"[SalesManager] 成功注册深度相机: {deepCamera}");
            }
        }

        /// <summary>
        /// 从CameraKit注销所有相机
        /// </summary>
        private void UnregisterCameras()
        {
            if (CameraKit.Instance == null) return;

            foreach (var cameraType in registeredCameras)
            {
                CameraKit.Instance.UnRegisterCamera(cameraType);
                Debug.Log($"[SalesManager] 已注销相机: {cameraType}");
            }

            registeredCameras.Clear();
        }

        /// <summary>
        /// 打开销售系统界面
        /// </summary>
        public void OpenView()
        {
            gameObject.SetActive(true);

            if (saleView != null)
            {
                saleView.SetActive(true);
                Debug.Log("[SalesManager] 销售系统已打开");
            }
            else
            {
                Debug.LogError("[SalesManager] SaleView 未找到，无法打开销售界面");
            }
        }

        /// <summary>
        /// 关闭销售系统界面
        /// </summary>
        public void CloseView()
        {
            if (saleView != null)
            {
                saleView.SetActive(false);
            }

            gameObject.SetActive(false);
            Debug.Log("[SalesManager] 销售系统已关闭");
        }

        /// <summary>
        /// 初始化销售系统
        /// </summary>
        public void Initialize()
        {
            Debug.Log("[SalesManager] 初始化销售系统");
            // 这里添加初始化逻辑
        }
    }
}