using Akka.Actor;
using Microsoft.EntityFrameworkCore;
using Shouldly;
using Xunit;
using ZB.MOM.WW.OtOpcUa.Commons.Messages.Admin;
using ZB.MOM.WW.OtOpcUa.Commons.Types;
using ZB.MOM.WW.OtOpcUa.Configuration;
using ZB.MOM.WW.OtOpcUa.ControlPlane.AdminOperations;
using ZB.MOM.WW.OtOpcUa.ControlPlane.Tests.Harness;
using ZB.MOM.WW.OtOpcUa.Core.Abstractions;

namespace ZB.MOM.WW.OtOpcUa.ControlPlane.Tests;

/// <summary>
///     R03:4.1 — admin operations echoed <c>ex.Message</c> to the UI, so a SqlException's connection-string
///     fragment reached any ConfigEditor browser session. The reply is now a fixed sentence plus the request's
///     correlation id; the detail stays in the central log.
/// </summary>
public sealed class AdminOperationsActorServerFaultMessageTests : ControlPlaneActorTestBase
{
    private const string Secret = "Server=sql-prod-01;Password=hunter2";

    [Fact]
    public void StartDeployment_server_fault_reply_carries_the_correlation_id_and_not_the_exception_text()
    {
        var coordinator = CreateTestProbe("coord");
        var actor = Sys.ActorOf(AdminOperationsActor.Props(new ThrowingDbFactory(), coordinator.Ref, Enumerable.Empty<IDriverProbe>()));
        var correlationId = CorrelationId.NewId();

        actor.Tell(new StartDeployment("joe", correlationId));

        var reply = ExpectMsg<StartDeploymentResult>(PresenceBudget);
        reply.Outcome.ShouldBe(StartDeploymentOutcome.Rejected);
        reply.Message.ShouldNotBeNull();
        reply.Message.ShouldNotContain("hunter2");
        reply.Message.ShouldNotContain("sql-prod-01");
        reply.Message.ShouldContain(correlationId.ToString());   // the operator can find the log line
    }

    [Fact]
    public void TestDriverConnect_probe_throw_reply_carries_the_correlation_id_and_not_the_exception_text()
    {
        var coordinator = CreateTestProbe("coord");
        var actor = Sys.ActorOf(AdminOperationsActor.Props(NewInMemoryDbFactory(), coordinator.Ref, new IDriverProbe[] { new ThrowingProbe() }));
        var correlationId = Guid.NewGuid();

        actor.Tell(new TestDriverConnect("Throwing", "{}", 5, correlationId));

        var reply = ExpectMsg<TestDriverConnectResult>(PresenceBudget);
        reply.Ok.ShouldBeFalse();
        reply.Message.ShouldNotBeNull();
        reply.Message.ShouldNotContain("hunter2");
        reply.Message.ShouldContain(correlationId.ToString());
    }

    private sealed class ThrowingDbFactory : IDbContextFactory<OtOpcUaConfigDbContext>
    {
        public OtOpcUaConfigDbContext CreateDbContext() =>
            throw new InvalidOperationException("Cannot open database: " + Secret);
    }

    private sealed class ThrowingProbe : IDriverProbe
    {
        public string DriverType => "Throwing";
        public Task<DriverProbeResult> ProbeAsync(string configJson, TimeSpan timeout, CancellationToken ct) =>
            throw new InvalidOperationException("probe blew up: " + Secret);
    }
}