using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.InputSystem;
using BITKit;
using BITKit.UX;
using INetClient = BITKit.INetClient;
using Cysharp.Threading.Tasks;

namespace BITFALL.UX
{
    public class Menu : UIToolKitPanel
    {
        [Header(Constant.Header.Providers)]
        [SerializeReference, SubclassSelector]
        private INetClient netClient;
        [Header(Constant.Header.Components)]
        public UXButton connectButton;
        public UXButton localhostButton;
        public UXButton disconnectButton;
        public UXButton returnButton;
        public UXImage backgroundImage;
        [Header(Constant.Header.Input)]
        public InputActionReference returnAction;
        public InputActionGroup inputActionGroup;
        protected override void Awake()
        {
            base.Awake();
            
            netClient.OnConnected += OnConnected;
            netClient.OnConnectedFailed += OnConnectFailed;
            netClient.OnDisconnected += OnConnectFailed;

            inputActionGroup.RegisterCallback(returnAction, OnReturn);

            OnDisconnected();
        }

        private void OnDestroy()
        {
            netClient.OnConnected -= OnConnected;
            netClient.OnConnectedFailed -= OnConnectFailed;
            netClient.OnDisconnected -= OnConnectFailed;
        }

        protected override void OnEntryOrExit(bool isEntry)
        {
            inputActionGroup.allowInput.SetElements(this, isEntry);
        }
        public void StartIntelnetConnect()
        {
            netClient.Connect();
        }
        public void StartLocalConnect()
        {
            netClient.Connect();
        }
        public void Disconnect()
        {
            netClient.Disconnect();
        }
        private void OnConnected()
        {
            connectButton.SetEnabled(true);
            localhostButton.SetEnabled(true);

            returnButton.SetActive(true);
            connectButton.SetActive(false);
            localhostButton.SetActive(false);
            disconnectButton.SetActive(true);
            backgroundImage.SetActive(false);
        }
        private void OnConnectFailed()
        {
            UXService.Entry<Menu>();
            connectButton.SetEnabled(true);
            localhostButton.SetEnabled(true);
            OnDisconnected();
        }
        private void OnStartConnect()
        {
            connectButton.SetEnabled(false);
            localhostButton.SetEnabled(false);
        }
        private void OnDisconnected()
        {
            returnButton.SetActive(false);
            connectButton.SetActive(true);
            localhostButton.SetActive(true);
            disconnectButton.SetActive(false);
            backgroundImage.SetActive(true);
        }
        private void OnDisconnect()
        {
            UXService.Entry<Menu>();
            OnDisconnected();
        }
        private void OnReturn(InputAction.CallbackContext context)
        {
            if (!netClient.IsConnected) return;
            if (context.ReadValueAsButton())
            {
                UXService.Entry<UXHud>();
            }
        }
    }
}