using cfg.GuideCfg;
using Framework;
using Gameplay.SubSystems;
using Gameplay;
using System;
using Cysharp.Threading.Tasks;

/// <summary>
/// 引导状态
/// </summary>
public enum E_GuideState
{
    /// <summary>
    /// 等待引导
    /// </summary>
    Idle,
    /// <summary>
    /// 引导中
    /// </summary>
    Guiding,
    /// <summary>
    /// 引导完成
    /// </summary>
    Complete,
}

/// <summary>
/// 引导步骤基类
/// </summary>
public abstract class GuideStepBase
{
    /// <summary>
    /// 引导步骤类型
    /// </summary>
    public string StepType;

    /// <summary>
    /// 引导完成类型
    /// </summary>
    protected GuideCompleteBase completeBase;

    /// <summary>
    /// 引导配置
    /// </summary>
    public DataGuideCfg Cfg { get; private set; }
    /// <summary>
    /// 引导状态
    /// </summary>
    public E_GuideState GuideState { get; private set; }

    public GuideStepBase(DataGuideCfg cfg)
    {
        Cfg = cfg;

        GuideState = E_GuideState.Idle;

        completeBase = Cfg.CompleteType switch
        {
            "播放视频结束" => new PlayVideoComplete(Cfg, Complete),
            "打开界面" => new OpenUIComplete(Cfg, Complete),
            "打开界面并等动画播放完成" => new OpenUIAndAnimComplete(Cfg, Complete),
            "" => default,
            _ => throw new Exception($"未处理类型:{Cfg.CompleteType}"),
        };
    }

    /// <summary>
    /// 开始引导
    /// </summary>
    public void StartGuide()
    {
        DoBeforeGuide();

        GuideState = E_GuideState.Guiding;

        DoGuide();
    }

    /// <summary>
    /// 引导开始之前
    /// </summary>
    protected virtual void DoBeforeGuide()
    {
        completeBase.AddListener();
    }

    /// <summary>
    /// 引导
    /// </summary>
    protected abstract void DoGuide();

    /// <summary>
    /// 引导完成之前
    /// </summary>
    protected virtual void DoBeforeComplete()
    {
        completeBase.RemoveListener();
    }

    /// <summary>
    /// 完成引导
    /// </summary>
    public void Complete()
    {
        if (E_GuideState.Idle == GuideState)
            return;

        if (E_GuideState.Complete == GuideState)
            return;

        DebugUtil.Log($"<color=#00FA9A>完成id为{Cfg.Id}的引导</color>"); // #00FA9A绿色

        GuideState = E_GuideState.Complete;
        DoBeforeComplete();
        GuideManager.Instance.CompleteStep(this);
    }
}

/// <summary>
/// 点击按钮
/// </summary>
public class ClickButtonStep : GuideStepBase
{
    /// <summary>
    /// UI名
    /// </summary>
    private readonly string uiName;
    /// <summary>
    /// 按钮路径
    /// </summary>
    private readonly string buttonPath;

    public ClickButtonStep(DataGuideCfg cfg) : base(cfg)
    {
        if (cfg.GuideTypeParams.Length <= 1)
            throw new Exception($"引导类型：{StepType}参数错误");

        uiName = cfg.GuideTypeParams[0];
        buttonPath = cfg.GuideTypeParams[1];
    }

    protected override async void DoGuide()
    {
        await UI_GuideController.Open(uiName, buttonPath);
    }
}

/// <summary>
/// 播放视频
/// </summary>
public class PlayVideoStep : GuideStepBase
{
    /// <summary>
    /// 视频路径
    /// </summary>
    private readonly string videoPath;

    public PlayVideoStep(DataGuideCfg cfg) : base(cfg)
    {
        if (cfg.GuideTypeParams.Length <= 0)
            throw new Exception($"引导类型：{StepType}参数错误");

        videoPath = cfg.GuideTypeParams[0];
    }

    protected override async void DoGuide()
    {
        await UI_PlayVideoController.Open(videoPath);
    }
}

/// <summary>
/// 第一次进入主界面
/// </summary>
public class FirstEnterMain : GuideStepBase
{
    public FirstEnterMain(DataGuideCfg cfg) : base(cfg)
    {
    }

    protected override void DoGuide()
    {
        LoadingExecutorManager.Instance.ExecuteLoading(new MainSceneLoadingExecutor()).Forget();
    }
}