using System;
using System.Collections;
using System.Collections.Generic;
using System.Net.Http;
using BITKit;
using BITKit.UX;
using Cysharp.Threading.Tasks;
using Microsoft.Extensions.Logging;
using Net.BITKit;
using Net.BITKit.Chat;
using Net.Project.B.UX;
using Newtonsoft.Json;
using Project.B.Player;
using UnityEngine;
using UnityEngine.InputSystem;
using UnityEngine.UIElements;
using Object = System.Object;

namespace Net.Project.B.Chat
{
    public class UXChat<TPanel> : UIToolkitSubPanel<TPanel>,IDisposable, IUXChat where TPanel : IUXPanel
    {
        private readonly IChatService _chatService;
        private readonly IUXKeyMap<InputAction> _uxKeyMap;
        private readonly ILogger<UXChat<TPanel>> _logger;
        
        
        [UXBindPath("chat-field-container")]
        private VisualElement _chatFieldContainer;
        [UXBindPath("chat-container")]
        private VisualElement _chatContainer;
        [UXBindPath("chat-field")]
        private TextField _chatField;
        [UXBindPath("chat-scroll")] 
        private ScrollView _chatScroll;
        [UXBindPath("voice-button")]
        private Button _voiceButton;

        private readonly ValidHandle _isEnabled = new();

        private string _currentDevice;
        private AudioClip _recordClip;

        private UniTaskCompletionSource _waitVoice;

        
        public UXChat(IServiceProvider serviceProvider, IChatService chatService, IUXKeyMap<InputAction> uxKeyMap, ILogger<UXChat<TPanel>> logger) : base(serviceProvider)
        {
            _chatService = chatService;
            _uxKeyMap = uxKeyMap;
            _logger = logger;

            _chatService.OnMessageReceived += OnMessageReceived;

        }

        private async void OnVoice()
        {
            _chatField.SetEnabled(false);
            
            _currentDevice = Microphone.devices[0];

            _logger.LogInformation("开始录音");

            _recordClip = Microphone.Start(_currentDevice, false, 10, 16000);
      
            try
            {
                await _waitVoice.Task;
                
                _logger.LogInformation("录音完成");
            }
            catch (OperationCanceledException)
            {
                _logger.LogInformation("录音取消");
                return;
            }
            finally
            {
                Microphone.End(_currentDevice);
                
                _waitVoice = null;
            }


            var newGo = new GameObject();
            var audioSource =
                newGo.AddComponent<AudioSource>();

            audioSource.clip = _recordClip;

            audioSource.Play();

            var wav = AudioClipUtils.AudioClipToWavBytes(_recordClip);

            await UniTask.Delay(TimeSpan.FromSeconds(_recordClip.length));
            if (audioSource)
            {
                UnityEngine.Object.Destroy(newGo);
            }

            using var httpClient = new HttpClient();
            var responseMessage = await httpClient.PostAsync(@"http://localhost:5062/api/vosk/gettext?modelName=vosk-model-en-us-0.42-gigaspeech", new ByteArrayContent(wav));
            var message = await responseMessage.Content.ReadAsStringAsync();
            
            _chatField.SetEnabled(true);

            var data = JsonConvert.DeserializeObject<dynamic>(message);
            
            Debug.Log(message);

            _chatField.value = data.text;
        }

        protected override void OnInitiated()
        {
            base.OnInitiated();
            _chatContainer.Clear();

            if (Panel is UIToolKitPanel panel)
            {
                panel.InputActionGroup.RegisterCallback(_uxKeyMap.ChatKey, OnChat);
                panel.OnExit+=()=>
                {
                    _isEnabled.SetElements(this,false);
              
                };
            }
            
            _isEnabled.AddListener(enabled =>
            {
                _chatFieldContainer.SetActive(enabled);
                _voiceButton.SetActive(enabled);
                if (enabled)
                {
                    BITInputSystem.AllowInput.AddDisableElements(this);
                    BITAppForUnity.AllowCursor.AddElement(this);
                    _chatField.SetActive(true);
                    _chatField.focusable = true;
                    
                    _chatField.schedule.Execute(_chatField.Focus).ExecuteLater(1);
                    _chatScroll.ScrollToBottom();
                    
                    _chatScroll.focusable = true;
              
                }
                else
                {
                    _waitVoice?.TrySetCanceled();
                    
                    BITAppForUnity.AllowCursor.RemoveElement(this);
                    BITInputSystem.AllowInput.RemoveDisableElements(this);
                 
                    _chatField.focusable = false;
                    _chatField.schedule.Execute(()=>
                    {
                        _chatScroll.ScrollToBottom();
                        _chatField.SetActive(false);
                        _chatField.SetValueWithoutNotify(string.Empty);
                        _chatField.Blur();
                    }).ExecuteLater(1);
                    
                    _chatScroll.focusable = false;
                }
                _chatScroll.Blur();
            });
            _isEnabled.Invoke();
            
            _chatField.RegisterCallback<KeyDownEvent>(OnKeyDown);
            _chatField.BlinkingCursor();

            _voiceButton.clicked += ToggleVoice;
        }

        private void ToggleVoice()
        {
            if (_waitVoice is not null)
            {
                _waitVoice.TrySetResult();
            }
            else
            {
                _waitVoice = new();
                
                OnVoice();
            }
        }

        private void OnKeyDown(KeyDownEvent keyDownEvent)
        {
            switch (keyDownEvent.keyCode)
            {
                case KeyCode.Return:
                    if (string.IsNullOrEmpty(_chatField.value) is false)
                    {
                        _chatService.SendMessage(new ChatMessage()
                        {
                            FromUserId = Environment.UserName,
                            ToUserId = "World",
                            Content = _chatField.value
                        });
                        _chatField.value = string.Empty;

                        keyDownEvent.StopPropagation();
                        keyDownEvent.PreventDefault();
                    }
                    break;
            }
        }

        private void OnChat(InputAction.CallbackContext obj)
        {
            if (obj.JustPressed() is false)return;

            _isEnabled.SetElements(this,!_isEnabled.Allow);
        }

        private void OnMessageReceived(ChatMessage obj)
        {
            var label = _chatContainer.Create<Label>();
            label.text = $"<color=yellow>{obj.FromUserId}:</color>{obj.Content}";
            
            _chatScroll.ScrollToBottomAutomatic();
        }

        public void Dispose()
        {
            
        }
    }

}