using Azure.Messaging.WebPubSub;
 
var builder = WebApplication.CreateBuilder(args);
 
builder.AddKeyedAzureWebPubSubServiceClient("wps1", "chatHub");
builder.AddKeyedAzureWebPubSubServiceClient("wps1", "notificationHub");
 
// add a background service to periodically broadcast messages to the client
builder.Services.AddHostedService<NotificationService>();
 
// Add services to the container.
builder.Services.AddRazorPages();
 
var app = builder.Build();
 
// Configure the HTTP request pipeline.
if (!app.Environment.IsDevelopment())
{
    app.UseExceptionHandler("/Error");
    // The default HSTS value is 30 days. You may want to change this for production scenarios, see https://aka.ms/aspnetcore-hsts.
    app.UseHsts();
}
 
app.UseHttpsRedirection();
app.UseStaticFiles();
 
app.UseRouting();
 
app.UseAuthorization();
 
app.MapRazorPages();
 
// return the Client Access URL with negotiate endpoint
app.MapGet("/negotiate/chat", ([FromKeyedServices("chatHub")] WebPubSubServiceClient service) =>
{
    return
        new
        {
            url = service.GetClientAccessUri(roles: ["webpubsub.sendToGroup.group1", "webpubsub.joinLeaveGroup.group1"]).AbsoluteUri
        };
});
 
app.MapGet("/negotiate/notification", ([FromKeyedServices("notificationHub")] WebPubSubServiceClient service) =>
{
    return
        new
        {
            url = service.GetClientAccessUri().AbsoluteUri
        };
});
app.Run();
 
sealed class NotificationService([FromKeyedServices("notificationHub")] WebPubSubServiceClient service) : BackgroundService
{
    protected override async Task ExecuteAsync(CancellationToken stoppingToken)
    {
        while (!stoppingToken.IsCancellationRequested)
        {
            await Task.Delay(5000, stoppingToken);
 
            // periodically broadcast messages to the client
            await service.SendToAllAsync($"{DateTime.Now}: Hello from background service.");
        }
    }
}