using SQLInsight.Connectivity;
using SQLInsight.Core.SyntheticChecks;
using SQLInsight.Servers.Synthetic;

namespace SQLInsight.IntegrationTests;

/// <summary>The SQL login + query check against a real instance, with the least-privilege agent login.</summary>
[Collection(SqlServerTestGroup.Name)]
[Trait("Category", "Integration")]
public class SyntheticSqlCheckTests(SqlServerFixture sql)
{
    private sealed class NoBusinessConnector : IBusinessConnectorLocator
    {
        public BusinessConnectorInstallation? Find() => null;
    }

    private static SyntheticCheckRunner Runner() => new(new SqlConnectionFactory(), new NoBusinessConnector(), new ProcessRunner(), TimeProvider.System);

    private SyntheticCheckSettings Settings(string? query = null, string? database = null) => new()
    {
        Server = sql.Server, Authentication = "SqlLogin", UserName = SqlServerFixture.AgentLogin, TrustServerCertificate = true, Query = query, Database = database,
    };

    [Fact]
    public async Task Login_and_query_with_response_time()
    {
        var result = await Runner().RunAsync(new SyntheticCheckRun(SyntheticCheckKind.Sql, Settings(), TimeSpan.FromSeconds(30), SqlServerFixture.AgentPassword), CancellationToken.None);
        var inDatabase = await Runner().RunAsync(new SyntheticCheckRun(SyntheticCheckKind.Sql,
            Settings("SELECT name FROM sys.objects", SqlServerFixture.TestDatabase), TimeSpan.FromSeconds(30), SqlServerFixture.AgentPassword), CancellationToken.None);

        Assert.True(result.Success, result.Message);
        Assert.Contains("Login og forespørgsel lykkedes", result.Message, StringComparison.Ordinal);
        Assert.Contains(result.Details, d => d.Name == "Rækker" && d.Value == "1");
        Assert.True(inDatabase.Success, inDatabase.Message);
    }

    [Fact]
    public async Task A_wrong_password_and_a_query_without_rights_fail_with_the_reason()
    {
        var login = await Runner().RunAsync(new SyntheticCheckRun(SyntheticCheckKind.Sql, Settings(), TimeSpan.FromSeconds(30), "forkert"), CancellationToken.None);
        var denied = await Runner().RunAsync(new SyntheticCheckRun(SyntheticCheckKind.Sql, Settings("SELECT Secret FROM dbo.CustomerData", SqlServerFixture.TestDatabase),
            TimeSpan.FromSeconds(30), SqlServerFixture.AgentPassword), CancellationToken.None);
        var noPassword = await Runner().RunAsync(new SyntheticCheckRun(SyntheticCheckKind.Sql, Settings(), TimeSpan.FromSeconds(30)), CancellationToken.None);

        Assert.False(login.Success);
        Assert.StartsWith("Login på SQL Server fejlede", login.Message, StringComparison.Ordinal);
        Assert.False(denied.Success); // the least-privilege login can not read customer data
        Assert.StartsWith("Forespørgslen fejlede", denied.Message, StringComparison.Ordinal);
        Assert.False(noPassword.Success);
    }
}