// Copyright (c) Microsoft Corporation.
// Licensed under the MIT License.
using AzureMcp.Core.Commands;
using AzureMcp.Core.Services.Telemetry;
using AzureMcp.Kusto.Options;
using AzureMcp.Kusto.Services;
using Microsoft.Extensions.Logging;
namespace AzureMcp.Kusto.Commands;
public sealed class TableListCommand(ILogger<TableListCommand> logger) : BaseDatabaseCommand<TableListOptions>
{
private const string CommandTitle = "List Kusto Tables";
private readonly ILogger<TableListCommand> _logger = logger;
public override string Name => "list";
public override string Description =>
"""
List all tables in a specific Kusto database.
Required `cluster-uri` (or `subscription` and `cluster`) and `database`.
Returns table names as a JSON array.
""";
public override string Title => CommandTitle;
public override ToolMetadata Metadata => new() { Destructive = false, ReadOnly = true };
public override async Task<CommandResponse> ExecuteAsync(CommandContext context, ParseResult parseResult)
{
var options = BindOptions(parseResult);
try
{
if (!Validate(parseResult.CommandResult, context.Response).IsValid)
{
return context.Response;
}
var kusto = context.GetService<IKustoService>();
List<string> tableNames = [];
if (UseClusterUri(options))
{
tableNames = await kusto.ListTables(
options.ClusterUri!,
options.Database!,
options.Tenant,
options.AuthMethod,
options.RetryPolicy);
}
else
{
tableNames = await kusto.ListTables(
options.Subscription!,
options.ClusterName!,
options.Database!,
options.Tenant,
options.AuthMethod,
options.RetryPolicy);
}
context.Response.Results = tableNames?.Count > 0 ?
ResponseResult.Create(new TableListCommandResult(tableNames), KustoJsonContext.Default.TableListCommandResult) :
null;
}
catch (Exception ex)
{
_logger.LogError(ex, "An exception occurred listing tables. Cluster: {Cluster}, Database: {Database}.", options.ClusterUri ?? options.ClusterName, options.Database);
HandleException(context, ex);
}
return context.Response;
}
public record TableListCommandResult(List<string> Tables);
}
