using System;
using GameFramework.Event;
using UnityGameFramework.Runtime;

namespace GeometryTD.CustomComponent
{
    internal sealed class CombatEventBridge
    {
        private Action<ShowEntitySuccessEventArgs> _onShowEntitySuccess;
        private Action<ShowEntityFailureEventArgs> _onShowEntityFailure;
        private Action<HideEntityCompleteEventArgs> _onHideEntityComplete;
        private Action<OpenUIFormSuccessEventArgs> _onOpenUIFormSuccess;
        private Action<OpenUIFormFailureEventArgs> _onOpenUIFormFailure;
        private Action<CloseUIFormCompleteEventArgs> _onCloseUIFormComplete;

        private bool _isEntityEventSubscribed;
        private bool _isUIEventSubscribed;

        public void Bind(
            Action<ShowEntitySuccessEventArgs> onShowEntitySuccess,
            Action<ShowEntityFailureEventArgs> onShowEntityFailure,
            Action<HideEntityCompleteEventArgs> onHideEntityComplete,
            Action<OpenUIFormSuccessEventArgs> onOpenUIFormSuccess,
            Action<OpenUIFormFailureEventArgs> onOpenUIFormFailure,
            Action<CloseUIFormCompleteEventArgs> onCloseUIFormComplete)
        {
            _onShowEntitySuccess = onShowEntitySuccess;
            _onShowEntityFailure = onShowEntityFailure;
            _onHideEntityComplete = onHideEntityComplete;
            _onOpenUIFormSuccess = onOpenUIFormSuccess;
            _onOpenUIFormFailure = onOpenUIFormFailure;
            _onCloseUIFormComplete = onCloseUIFormComplete;

            EnsureEntityEventSubscribed();
            EnsureUIEventSubscribed();
        }

        public void Unbind()
        {
            UnsubscribeEntityEvents();
            UnsubscribeUIEvents();

            _onShowEntitySuccess = null;
            _onShowEntityFailure = null;
            _onHideEntityComplete = null;
            _onOpenUIFormSuccess = null;
            _onOpenUIFormFailure = null;
            _onCloseUIFormComplete = null;
        }

        private void EnsureEntityEventSubscribed()
        {
            if (_isEntityEventSubscribed)
            {
                return;
            }

            GameEntry.Event.Subscribe(ShowEntitySuccessEventArgs.EventId, OnShowEntitySuccess);
            GameEntry.Event.Subscribe(ShowEntityFailureEventArgs.EventId, OnShowEntityFailure);
            GameEntry.Event.Subscribe(HideEntityCompleteEventArgs.EventId, OnHideEntityComplete);
            _isEntityEventSubscribed = true;
        }

        private void EnsureUIEventSubscribed()
        {
            if (_isUIEventSubscribed)
            {
                return;
            }

            GameEntry.Event.Subscribe(OpenUIFormSuccessEventArgs.EventId, OnOpenUIFormSuccess);
            GameEntry.Event.Subscribe(OpenUIFormFailureEventArgs.EventId, OnOpenUIFormFailure);
            GameEntry.Event.Subscribe(CloseUIFormCompleteEventArgs.EventId, OnCloseUIFormComplete);
            _isUIEventSubscribed = true;
        }

        private void UnsubscribeEntityEvents()
        {
            if (!_isEntityEventSubscribed)
            {
                return;
            }

            GameEntry.Event.Unsubscribe(ShowEntitySuccessEventArgs.EventId, OnShowEntitySuccess);
            GameEntry.Event.Unsubscribe(ShowEntityFailureEventArgs.EventId, OnShowEntityFailure);
            GameEntry.Event.Unsubscribe(HideEntityCompleteEventArgs.EventId, OnHideEntityComplete);
            _isEntityEventSubscribed = false;
        }

        private void UnsubscribeUIEvents()
        {
            if (!_isUIEventSubscribed)
            {
                return;
            }

            GameEntry.Event.Unsubscribe(OpenUIFormSuccessEventArgs.EventId, OnOpenUIFormSuccess);
            GameEntry.Event.Unsubscribe(OpenUIFormFailureEventArgs.EventId, OnOpenUIFormFailure);
            GameEntry.Event.Unsubscribe(CloseUIFormCompleteEventArgs.EventId, OnCloseUIFormComplete);
            _isUIEventSubscribed = false;
        }

        private void OnShowEntitySuccess(object sender, GameEventArgs e)
        {
            if (e is ShowEntitySuccessEventArgs args)
            {
                _onShowEntitySuccess?.Invoke(args);
            }
        }

        private void OnShowEntityFailure(object sender, GameEventArgs e)
        {
            if (e is ShowEntityFailureEventArgs args)
            {
                _onShowEntityFailure?.Invoke(args);
            }
        }

        private void OnHideEntityComplete(object sender, GameEventArgs e)
        {
            if (e is HideEntityCompleteEventArgs args)
            {
                _onHideEntityComplete?.Invoke(args);
            }
        }

        private void OnOpenUIFormSuccess(object sender, GameEventArgs e)
        {
            if (e is OpenUIFormSuccessEventArgs args)
            {
                _onOpenUIFormSuccess?.Invoke(args);
            }
        }

        private void OnOpenUIFormFailure(object sender, GameEventArgs e)
        {
            if (e is OpenUIFormFailureEventArgs args)
            {
                _onOpenUIFormFailure?.Invoke(args);
            }
        }

        private void OnCloseUIFormComplete(object sender, GameEventArgs e)
        {
            if (e is CloseUIFormCompleteEventArgs args)
            {
                _onCloseUIFormComplete?.Invoke(args);
            }
        }
    }
}