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namespace Agent.App.Cli;
public enum AppCommand
{
Start,
Apply,
Show
}
public sealed record CommandLine(
AppCommand Command,
string? ConfigPath,
bool Yes = false)
{
private static readonly HashSet<string> RemovedCommands = new(StringComparer.Ordinal)
{
"serve", "check", "executable", "sandbox"
};
public static CommandLine Parse(string[] args)
{
if (args.Length == 0) return new(AppCommand.Start, null);
if (RemovedCommands.Contains(args[0]))
throw new CommandLineException($"'{args[0]}' was removed in schema_version 2. Use 'agent-mcp', 'agent-mcp apply', or 'agent-mcp show'.");
if (args.Any(static value => value is "--config" or "--lang" or "--transport" or "--path" or "--runtime-root" or "--no-runtime" or "--format"))
throw new CommandLineException("Configuration override options were removed in schema_version 2. Put values in YAML and pass the config path as a positional argument.");
AppCommand command = args[0] switch
{
"apply" => AppCommand.Apply,
"show" => AppCommand.Show,
_ when !args[0].StartsWith("--", StringComparison.Ordinal) => AppCommand.Start,
_ => throw new CommandLineException($"Unknown option '{args[0]}'.")
};
int index = command == AppCommand.Start ? 0 : 1;
string? config = null;
bool yes = false;
while (index < args.Length)
{
string value = args[index++];
if (value == "--yes" && command == AppCommand.Apply && !yes) yes = true;
else if (!value.StartsWith("--", StringComparison.Ordinal) && config is null) config = value;
else throw new CommandLineException($"Unknown, duplicate, or invalid argument '{value}' for this command.");
}
return new(command, config, yes);
}
}
public sealed class CommandLineException(string message) : Exception(message);
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