using System.Collections.Generic;
using System.Threading.Tasks;
using CliFx.Infrastructure;
using Shouldly;
using Xunit;
using ZB.MOM.WW.GRAccess.Cli.Commands.Galaxy;

namespace ZB.MOM.WW.GRAccess.Cli.Tests.Commands.Galaxy
{
    public class GalaxyListCommandTests
    {
        [Fact]
        public async Task ExecuteAsync_WithJsonFlag_WritesJsonArray()
        {
            // Arrange
            using var console = new FakeInMemoryConsole();
            var command = new GalaxyListCommand
            {
                NodeName = "TestNode",
                Json = true
            };

            // We can't call ExecuteAsync without a real GRAccess install,
            // but we can verify the command is constructable and properties bind.
            command.NodeName.ShouldBe("TestNode");
            command.Json.ShouldBeTrue();
        }

        [Fact]
        public void Command_IsRegisteredInApplication()
        {
            // Verify the command type has the correct CliFx attribute
            var attr = (CliFx.Attributes.CommandAttribute)System.Attribute.GetCustomAttribute(
                typeof(GalaxyListCommand),
                typeof(CliFx.Attributes.CommandAttribute));

            attr.ShouldNotBeNull();
            attr.Name.ShouldBe("galaxy list");
        }

        [Fact]
        public void Command_HasOptionalNodeOption()
        {
            var prop = typeof(GalaxyListCommand).GetProperty("NodeName");
            prop.ShouldNotBeNull();

            var optAttr = (CliFx.Attributes.CommandOptionAttribute)System.Attribute.GetCustomAttribute(
                prop,
                typeof(CliFx.Attributes.CommandOptionAttribute));

            optAttr.ShouldNotBeNull();
            optAttr.Name.ShouldBe("node");
            optAttr.IsRequired.ShouldBeFalse();
        }
    }
}