using Hangfire;
using MAX.Framework.DependencyInjection;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Hosting;

/// <summary>不连接数据库，检查宿主配置边界及共享服务注册。</summary>
internal static class HangfireChecks
{
    public static void Run()
    {
        var settings = new Dictionary<string, string?>
        {
            ["Hangfire:ConnectionString"] = "Server=localhost;Database=hangfire;Uid=test;Pwd=test",
            ["Hangfire:Dashboard:User"] = "test",
            ["Hangfire:Dashboard:Pass"] = "test"
        };
        foreach (var key in settings.Keys)
        {
            foreach (var missing in new string?[] { null, " " })
            {
                var invalid = new Dictionary<string, string?>(settings) { [key] = missing };
                var services = new ServiceCollection();
                try
                {
                    services.AddStoreHangfire(new ConfigurationBuilder().AddInMemoryCollection(invalid).Build());
                    throw new Exception("Expected missing configuration failure: " + key);
                }
                catch (InvalidOperationException ex) when (ex.Message.Contains(key)) { }
                if (services.Count != 0) throw new Exception("Invalid configuration partially registered services");
            }
        }

        var valid = new ServiceCollection();
        valid.AddStoreHangfire(new ConfigurationBuilder().AddInMemoryCollection(settings).Build());
        if (valid.Count(d => d.ServiceType == typeof(IFreeSql) && Equals(d.ServiceKey, "HangfireConnection")) != 1
            || valid.Count(d => d.ServiceType == typeof(JobStorage)) != 1
            || valid.Count(d => d.ServiceType == typeof(IHostedService)) != 1
            || valid.Count(d => d.ServiceType == typeof(DashboardOptions)) != 1)
            throw new Exception("Expected one shared storage, worker and dashboard registration");
        using var provider = valid.BuildServiceProvider();
        var database = provider.GetRequiredKeyedService<IFreeSql>("HangfireConnection");
        if (!ReferenceEquals(database, provider.GetRequiredKeyedService<IFreeSql>("HangfireConnection")))
            throw new Exception("Task database must be a singleton");
        if (provider.GetRequiredService<DashboardOptions>().Authorization.Count() != 1)
            throw new Exception("Dashboard authentication missing");
        Console.WriteLine("PASS Hangfire configuration and shared registrations (no database connection)");
    }
}