using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using Cysharp.Threading.Tasks;

/// <summary>
/// 版本检查状态
/// </summary>
public class CheckVersionState : ILaunchState
{
    private string versionUrl;
    
    // 版本检查结果
    private LaunchUtility.UpdateType updateType;
    
    public string StateName => FirstPackLang.Instance.GetText(FirstPackLang.TextIndex.CheckVersion);
    
    public CheckVersionState(string versionUrl)
    {
        this.versionUrl = versionUrl;
    }
    
    public async UniTask OnEnter()
    {
        Debug.Log("进入版本检查状态");
        
        // 使用硬编码索引设置当前状态
        LaunchLoadingWin.Instance.SetCurrentState(FirstPackLang.TextIndex.CheckVersion);
        await LaunchLoadingWin.Instance.ShowProgressAsync(0.3f, 0.6f);
    }
    
    public async UniTask<bool> OnExecute()
    {
        Debug.Log("执行版本检查");
        
        // 使用LaunchUtility检查版本更新
        updateType = await LaunchUtility.CheckVersionUpdateAsync(versionUrl);
        
        // 根据版本检查结果更新提示
        switch (updateType)
        {
            case LaunchUtility.UpdateType.None:
                LaunchLoadingWin.Instance.SetTip(FirstPackLang.Instance.GetText(FirstPackLang.TextIndex.LatestVersion));
                break;
            case LaunchUtility.UpdateType.PatchUpdate:
                LaunchLoadingWin.Instance.SetTip(FirstPackLang.Instance.GetText(FirstPackLang.TextIndex.MinorUpdateDetected));
                break;
            case LaunchUtility.UpdateType.MinorUpdate:
                LaunchLoadingWin.Instance.SetTip(FirstPackLang.Instance.GetText(FirstPackLang.TextIndex.MediumUpdateDetected));
                break;
            case LaunchUtility.UpdateType.MajorUpdate:
                LaunchLoadingWin.Instance.SetTip(FirstPackLang.Instance.GetText(FirstPackLang.TextIndex.MajorUpdateDetected));
                break;
        }
        
        await LaunchLoadingWin.Instance.ShowProgressAsync(0.3f, 0.7f);

        
        // 返回true表示该状态已完成，可以进入下一个状态
        return true;
    }
    
    public async UniTask OnExit()
    {
        Debug.Log("退出版本检查状态");
        await UniTask.CompletedTask;
    }
    
    /// <summary>
    /// 获取版本检查结果
    /// </summary>
    public LaunchUtility.UpdateType GetUpdateType()
    {
        return updateType;
    }
}