using Shouldly;
using Xunit;
using ZB.MOM.WW.OtOpcUa.Client.CLI.Commands;
using ZB.MOM.WW.OtOpcUa.Client.CLI.Tests.Fakes;
using ZB.MOM.WW.OtOpcUa.Client.Shared.Models;

namespace ZB.MOM.WW.OtOpcUa.Client.CLI.Tests;

public class CommandBaseTests
{
    /// <summary>Verifies that common options map to connection settings correctly.</summary>
    /// <returns>A task that represents the asynchronous operation.</returns>
    [Fact]
    public async Task CommonOptions_MapToConnectionSettings_Correctly()
    {
        var fakeService = new FakeOpcUaClientService();
        var factory = new FakeOpcUaClientServiceFactory(fakeService);
        var command = new ConnectCommand(factory)
        {
            Url = "opc.tcp://myserver:4840",
            Username = "admin",
            Password = "secret",
            Security = "sign",
            FailoverUrls = "opc.tcp://backup1:4840,opc.tcp://backup2:4840"
        };

        using var console = TestConsoleHelper.CreateConsole();
        await command.ExecuteAsync(console);

        var settings = fakeService.LastConnectionSettings;
        settings.ShouldNotBeNull();
        settings.EndpointUrl.ShouldBe("opc.tcp://myserver:4840");
        settings.Username.ShouldBe("admin");
        settings.Password.ShouldBe("secret");
        settings.SecurityMode.ShouldBe(SecurityMode.Sign);
        settings.FailoverUrls.ShouldNotBeNull();
        settings.FailoverUrls!.Length.ShouldBe(3); // primary + 2 failover
        settings.FailoverUrls[0].ShouldBe("opc.tcp://myserver:4840");
        settings.AutoAcceptCertificates.ShouldBeTrue();
    }

    /// <summary>Verifies that encrypt option maps to SignAndEncrypt.</summary>
    /// <returns>A task that represents the asynchronous operation.</returns>
    [Fact]
    public async Task SecurityOption_Encrypt_MapsToSignAndEncrypt()
    {
        var fakeService = new FakeOpcUaClientService();
        var factory = new FakeOpcUaClientServiceFactory(fakeService);
        var command = new ConnectCommand(factory)
        {
            Url = "opc.tcp://localhost:4840",
            Security = "encrypt"
        };

        using var console = TestConsoleHelper.CreateConsole();
        await command.ExecuteAsync(console);

        fakeService.LastConnectionSettings!.SecurityMode.ShouldBe(SecurityMode.SignAndEncrypt);
    }

    /// <summary>Verifies that none option maps to None.</summary>
    /// <returns>A task that represents the asynchronous operation.</returns>
    [Fact]
    public async Task SecurityOption_None_MapsToNone()
    {
        var fakeService = new FakeOpcUaClientService();
        var factory = new FakeOpcUaClientServiceFactory(fakeService);
        var command = new ConnectCommand(factory)
        {
            Url = "opc.tcp://localhost:4840",
            Security = "none"
        };

        using var console = TestConsoleHelper.CreateConsole();
        await command.ExecuteAsync(console);

        fakeService.LastConnectionSettings!.SecurityMode.ShouldBe(SecurityMode.None);
    }

    /// <summary>Verifies that no failover URLs results in null FailoverUrls.</summary>
    /// <returns>A task that represents the asynchronous operation.</returns>
    [Fact]
    public async Task NoFailoverUrls_FailoverUrlsIsNull()
    {
        var fakeService = new FakeOpcUaClientService();
        var factory = new FakeOpcUaClientServiceFactory(fakeService);
        var command = new ConnectCommand(factory)
        {
            Url = "opc.tcp://localhost:4840"
        };

        using var console = TestConsoleHelper.CreateConsole();
        await command.ExecuteAsync(console);

        fakeService.LastConnectionSettings!.FailoverUrls.ShouldBeNull();
    }
}