// Copyright (c) Microsoft Corporation.
// Licensed under the MIT License.
using AzureMcp.Core.Commands;
using AzureMcp.Core.Services.Telemetry;
using AzureMcp.Cosmos.Options;
using AzureMcp.Cosmos.Services;
using Microsoft.Extensions.Logging;
namespace AzureMcp.Cosmos.Commands;
public sealed class DatabaseListCommand(ILogger<DatabaseListCommand> logger) : BaseCosmosCommand<DatabaseListOptions>()
{
private const string CommandTitle = "List Cosmos DB Databases";
private readonly ILogger<DatabaseListCommand> _logger = logger;
public override string Name => "list";
public override string Description =>
"""
List all databases in a Cosmos DB account. This command retrieves and displays all databases available
in the specified Cosmos DB account. Results include database names and are returned 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 cosmosService = context.GetService<ICosmosService>();
var databases = await cosmosService.ListDatabases(
options.Account!,
options.Subscription!,
options.AuthMethod ?? AuthMethod.Credential,
options.Tenant,
options.RetryPolicy);
context.Response.Results = databases?.Count > 0 ?
ResponseResult.Create(
new DatabaseListCommandResult(databases),
CosmosJsonContext.Default.DatabaseListCommandResult) :
null;
}
catch (Exception ex)
{
_logger.LogError(ex, "An exception occurred listing databases. Account: {Account}.", options.Account);
HandleException(context, ex);
}
return context.Response;
}
internal record DatabaseListCommandResult(List<string> Databases);
}
