using System;
using System.Collections.Generic;
using System.Threading;
using Cysharp.Threading.Tasks;
using Stary.Evo;
using Stary.Evo.AudioCore;
using Stary.Evo.TableTextConversion;
using UnityEngine;

namespace Main
{
    /// <summary>
    /// 讲解状态
    /// </summary>
    public class KKTalkState : AbstractFSMIState
    {
        private string aniName = "anim_ip_explain_talk_loop";
        private string aniMouthName = "anim_ip_talk";

        private CancellationTokenSource cts;

        public KKTalkState(IFsmSystem system) : base(system)
        {
        }

        public override UniTask OnEnterAsync()
        {
            return UniTask.CompletedTask;
        }

        public override UniTask OnExitAsync()
        {
            if (cts.IsCancellationRequested)
            {
                cts?.Cancel();
                cts?.Dispose();
            }

            KKFsmSystem kkFsmSystem = FsmSystem as KKFsmSystem;
            if (kkFsmSystem != null)
            {
                // kkFsmSystem.CloseImage();
                // kkFsmSystem.CloseText();
            }

            kkFsmSystem.animator.CrossFade("defaultState", 0.2f, 1, 0f);
            return UniTask.CompletedTask;
        }

        public override async UniTask OnEnterAsync<T1, T2>(T1 param1, T2 param2)
        {
            if (cts != null && !cts.IsCancellationRequested)
            {
                cts?.Cancel();
                cts?.Dispose();
                cts = null;
            }

            cts = new CancellationTokenSource();

            KKFsmSystem kkFsmSystem = FsmSystem as KKFsmSystem;
            AudioClip clip = param1 as AudioClip;
            if (clip != null)
            {
                AudioCoreManager.PlayVoice(new AudioData()
                {
                    clip = clip,
                    delayOnCompleteTime = 1f,
                    onComplete = async () =>
                    {
                        kkFsmSystem.CloseImage();

                        float animProgress = 0;
                        while (animProgress <= 0.99f)
                        {
                            animProgress = kkFsmSystem.GetAnimationProgress(0);
                            await UniTask.Yield();
                        }

                        FsmSystem.SetCurState(nameof(KKIdleState), (object)KKIdleStateParam.NotVoice);
                    }
                });
            }

            if (kkFsmSystem.animator != null)
            {
                kkFsmSystem.animator.CrossFade(aniName, 0.2f, 0, 0f);
                kkFsmSystem.animator.CrossFade(aniMouthName, 0.2f, 1, 0f);
            }
            else
            {
                Debug.LogError("UnityEvo:KKFsmSystem: animator is null");
            }

            if (kkFsmSystem.image != null)
            {
                if (param2 != null && param2 is Sprite)
                {
                    kkFsmSystem.image.sprite = param2 as Sprite;
                    kkFsmSystem.image.SetNativeSize();
                    kkFsmSystem.CloseText();
                    kkFsmSystem.OpenImage();
                }
            }

            if (kkFsmSystem.text != null)
            {
                if (param2 != null && param2 is List<UITableData.SubtitleInfo>)
                {
                    kkFsmSystem.CloseImage();
                    kkFsmSystem.OpenText();
                    List<UITableData.SubtitleInfo> infos = param2 as List<UITableData.SubtitleInfo>;
                    if (infos.Count > 0)
                    {
                        for (int i = 0; i < infos.Count; i++)
                        {
                            kkFsmSystem.text.text = infos[i].subtitle;
                            await UniTask.Delay(TimeSpan.FromSeconds(infos[i].end - infos[i].start),
                                cancellationToken: cts.Token);
                        }

                        kkFsmSystem.CloseText();
                    }
                }
            }
        }
    }
}