using System;
using System.Collections;
using AibisDream.Framework;
using AibisDream.Kit;
using AibisDream.SaveSystem;
using UnityEngine;
using UnityEngine.Serialization;

namespace AibisDream.FixSystem
{
    public class FixSystemCenter : Singleton<FixSystemCenter>
    {
        public FixSceneMode CurrentMode => Director.CurrentMode;

        public FixSceneMode defaultMode = FixSceneMode.Default;

        private readonly FixSystemData _data = new();

        public static IOCContainer SystemDic = new();
        public static FixSceneContext Context;
        public static FixSceneDirector Director;

        public override void OnSingletonInit()
        {
            SystemDic ??= new IOCContainer();
            Context = new FixSceneContext(SystemDic);
            Director = new FixSceneDirector(_data);
            StartCoroutine(Director.Init(defaultMode));
            DeepRepairDataRegistry.RegisterData(_data);
        }

        public override void OnSingletonDestroy()
        {
            DeepRepairDataRegistry.UnregisterData<FixSystemData>();
            CameraKit.Instance.RemoveAllCam();
            BubbleSlotKit.Instance.RemoveAll();
            GameManager.Instance.StartCoroutine(Director.QuitCurrentMode());
            Context?.Clear();
        }

        public IEnumerator TransitionTo(FixSceneMode nextMode, string args = "")
        {
            yield return Director.TransitionTo(nextMode, args);
        }

        public IEnumerator TransitionToImmediate(FixSceneMode nextMode, string args = "")
        {
            yield return Director.TransitionToImmediate(nextMode, args);
        }

        /// <summary>Captures the macro Fix scene snapshot.</summary>
        public FixSnapshotDto CaptureSnapshot()
        {
            var bodyModule = SystemDic.Get<BodyModuleSystem>();
            var eyeSystem = SystemDic.Get<EyeSystem>();
            var repairManager = RepairSystemManager.Instance;

            return new FixSnapshotDto
            {
                state = Director.CurrentMode.ToString(),
                args = _data.args,
                moduleState = bodyModule?.GetCurrentModuleState().ToString(),
                eyeColorState = eyeSystem?.GetCurrentColorState().ToString(),
                isSystemOn = FixPanelSystem.Instance?.IsSystemOn ?? false,
                currentRepairSystemType = repairManager?.GetCurrentSystemType()?.Name
            };
        }

        /// <summary>Restores the macro Fix scene snapshot by jumping directly to the target cue endpoint.</summary>
        public IEnumerator RestoreSnapshot(FixSnapshotDto dto)
        {
            if (dto == null || string.IsNullOrEmpty(dto.state))
            {
                yield break;
            }

            if (!Enum.TryParse<FixSceneMode>(dto.state, out var mode))
            {
                Debug.LogWarning($"[FixSystemCenter] Could not parse FixSceneMode: {dto.state}");
                yield break;
            }

            yield return Director.TransitionToImmediate(mode, dto.args ?? "");
        }
    }

    [Serializable]
    [LoadIndex(2)]
    public class FixSystemData : IData
    {
        [FormerlySerializedAs("curState")]
        public FixSceneMode curMode;
        public string args;

        public IEnumerator Load()
        {
            yield return FixSystemCenter.Director.TransitionTo(curMode, args);
        }
    }
}