using System.Linq;
using StellaOps.Cli.Services;
using Xunit;

namespace StellaOps.Cli.Tests.Commands;

public class MigrationModuleRegistryTests
{
    [Fact]
    public void Modules_Populated_With_All_Postgres_Modules()
    {
        var modules = MigrationModuleRegistry.Modules;
        Assert.Equal(5, modules.Count);
        Assert.Contains(modules, m => m.Name == "Authority" && m.SchemaName == "authority");
        Assert.Contains(modules, m => m.Name == "Scheduler" && m.SchemaName == "scheduler");
        Assert.Contains(modules, m => m.Name == "Policy" && m.SchemaName == "policy");
        Assert.Contains(modules, m => m.Name == "Notify" && m.SchemaName == "notify");
        Assert.Contains(modules, m => m.Name == "Excititor" && m.SchemaName == "vex");
        Assert.Equal(5, MigrationModuleRegistry.ModuleNames.Count());
    }

    [Fact]
    public void FindModule_Finds_By_Name_CaseInsensitive()
    {
        var result = MigrationModuleRegistry.FindModule("authority");
        Assert.NotNull(result);
        Assert.Equal("authority", result!.SchemaName);
    }

    [Fact]
    public void GetModules_Filtered_Returns_Single()
    {
        var result = MigrationModuleRegistry.GetModules("Authority");
        var module = Assert.Single(result);
        Assert.Equal("authority", module.SchemaName);
    }

    [Fact]
    public void GetModules_All_Returns_All()
    {
        var result = MigrationModuleRegistry.GetModules(null);
        Assert.Equal(6, result.Count());
    }
}