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 CharacterViewer character;
        private GameObject _coolingScreen;

        private readonly ClinicData _clinicData = new();

        private void Awake()
        {
            FixSystemCenter.SystemDic.Register(this);
            GameLoopManager.FixDataContainer.Register(_clinicData);

            character = transform.GetComponentInChildren<CharacterViewer>();
            character.CharacterChangeEvent += OnCharacterChange;

            _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)
        {
            yield return character.CharacterInit(data.characterName);
            character.SwitchFace(data.faceName);
            character.SwitchPose(data.poseName);
            if (data.isShow) character.CharacterShow();
            if (data.hasDevice)
            {
                character.AddLinkDevice();
            }
            else
            {
                character.RemoveLinkDevice();
            }
        }

        public IEnumerator Indoor(float duration)
        {
            // 加载诊所场景
            gameObject.SetActive(true);
            // 开始界面淡出
            yield return MainUIController.Instance.TVFadeOutSync(duration);
        }

        public IEnumerator Quit(float duration)
        {
            // 黑屏出现
            yield return MainUIController.Instance.FadeInSync(duration);
            gameObject.SetActive(false);
        }

        private void OnDestroy()
        {
            character.CharacterChangeEvent -= OnCharacterChange;
            _clinicData.LoadEvent -= LoadData;
            GameLoopManager.FixDataContainer.Unregister<ClinicData>();
            FixSystemCenter.SystemDic.Unregister<ClinicSystem>();
            CameraKit.Instance.UnRegisterCamera(CameraEnum.Clinic);
        }

        private void OnCharacterChange(CharacterData characterData)
        {
            CommonUtil.CopyFields(characterData, _clinicData);
        }
    }

    public class ClinicData : IData
    {
        public string characterName;
        public string faceName;
        public string poseName;
        public bool hasDevice;
        public bool isShow;
        
        public event Action<ClinicData> LoadEvent;

        public void Load()
        {
            LoadEvent?.Invoke(this);
        }
    }
}