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

namespace AibisDream
{
    public class ClinicSystem : MonoBehaviour
    {
        [HideInInspector] public SpriteGroupKit characterGroup;
        private GameObject _coolingScreen;

        private readonly ClinicData _clinicData = new();

        private void Awake()
        {
            FixSystemCenter.SystemDic.Register(this);
            StorageSystem.Instance.RegisterData(_clinicData);
            
            characterGroup = transform.GetComponentInChildren<SpriteGroupKit>();
            characterGroup.ChangeEvent += OnSpriteGroupChange;

            _clinicData.LoadEvent += LoadData;
            
            // 注册Camera
            var clinicCam = transform.Find("Clinic Camera").GetComponent<ICinemachineCamera>();
            var coolingCam = transform.Find("Cooling Camera").GetComponent<ICinemachineCamera>();
            CameraKit.Instance.RegisterCamera(CameraEnum.Clinic, clinicCam);
            CameraKit.Instance.RegisterCamera(CameraEnum.CoolingMachine, coolingCam);
        }

        private void LoadData(ClinicData data)
        {
            StartCoroutine(LoadDataAsync(data));
        }

        private IEnumerator LoadDataAsync(ClinicData data)
        {
            // SpriteGroup加载
            characterGroup.config.key = data.configKey;
            yield return characterGroup.InstantiateByConfigAsync();
            characterGroup.SwitchState(data.curState);
            yield return characterGroup.Fade(data.shown);
        }

        public IEnumerator Quit(float duration)
        {
            // 黑屏出现
            yield return UIManager.Instance.GetPanel<PlayToolPanel>().FadeInAsync(duration);
            gameObject.SetActive(false);
        }

        private void OnDestroy()
        {
            _clinicData.LoadEvent -= LoadData;
            characterGroup.ChangeEvent -= OnSpriteGroupChange;
            StorageSystem.Instance.UnregisterData<ClinicData>();
            FixSystemCenter.SystemDic.Unregister<ClinicSystem>();
            CameraKit.Instance.UnRegisterCamera(CameraEnum.Clinic);
        }

        private void OnSpriteGroupChange(SpriteGroupData data)
        {
            CommonUtil.CopyFields(data, _clinicData);
        }
    }

    public class ClinicData : IData
    {
        public string configKey;
        public string curState;
        public bool shown;

        public event Action<ClinicData> LoadEvent;

        public IEnumerator Load()
        {
            LoadEvent?.Invoke(this);
            yield break;
        }
    }
}