using Dpz.Core.EnumLibrary;
using Dpz.Core.Service.V4.Services;
using Microsoft.AspNetCore.SignalR;

namespace Dpz.Core.Web.Library.Hub;

public class ApplicationNotificationHub(
    IArticleService articleService,
    IConfiguration configuration,
    ILogger<ApplicationNotificationHub> logger)
    : Microsoft.AspNetCore.SignalR.Hub
{
    public async Task ReceiveInstruction(ApplicationNotification appNotification)
    {
        logger.LogInformation("receive application notification,notification information:{@Information}",
            appNotification);
        
        var key = configuration["SystemNotificationKey"];
        
        if(string.IsNullOrEmpty(key) || key != appNotification.Key)
            return;
        
        switch (appNotification.Type)
        {
            case NotificationType.Message:
                var level = (int)appNotification.MessageLevel;
                await Clients.All.SendAsync("systemMessage",level,appNotification.Message);
                break;
            case NotificationType.ClearArticleCache:
                logger.LogInformation("已收到清除文章缓存通知");
                await articleService.ClearCacheAsync();
                await Clients.All.SendAsync("systemMessage",0,"文章缓存清除缓存完毕");
                break;
            case NotificationType.None:
            default:
                logger.LogWarning("Instruction type unknown");
                break;
                
        }
    }
}