using HanaToolbox.Cli;
using HanaToolbox.Commands;

var cli = CliArgs.Parse(args);

return cli.Command switch
{
    "backup"        => await BackupCommand.RunAsync(cli),
    "export"        => await ExportCommand.RunAsync(cli),
    "import"        => await ImportCommand.RunAsync(cli),
    "import-rename" => await ImportRenameCommand.RunAsync(cli),
    "aurora"        => await AuroraCommand.RunAsync(cli),
    "clean"         => await CleanCommand.RunAsync(cli),
    "monitor"       => await MonitorCommand.RunAsync(cli),
    "firewall"      => await FirewallCommand.RunAsync(cli),
    "keymanager"    => await KeyManagerCommand.RunAsync(cli),
    "cron"          => await CronCommand.RunAsync(cli),
    "onboard"       => await OnboardCommand.RunAsync(cli),
    ""              => Help(),
    _               => UnknownCommand(cli.Command),
};

static int Help()
{
    Console.WriteLine("""
        HanaToolbox — SAP HANA & Business One management toolkit

        Usage: hanatoolbox <command> [options]

        Commands:
          backup           Run a HANA tenant/schema backup manually
          export           Export a schema: export <schema> <path> [-c] [-t N]
          import           Import a schema: import <schema> <path> [-c] [-t N] [--replace]
          import-rename    Import & rename:  import-rename <src> <dst> <path> [-c] [-t N] [--replace]
          aurora           Run an Aurora schema refresh manually
          clean            Delete old backup/log files per retention policy
          monitor          Run a HANA monitoring check manually
          firewall         Open the interactive Firewall TUI
          keymanager       Open the interactive Key Manager TUI
          cron             Run scheduled tasks (called by system cron every minute)
          cron setup       Configure cron task schedules and settings (TUI)
          onboard          Run the initial setup wizard

        Global options:
          -v, --verbose    Enable verbose output
          --sid <SID>      Override HANA SID from config (default: from hanatoolbox.json)
        """);
    return 0;
}

static int UnknownCommand(string cmd)
{
    Console.Error.WriteLine($"hanatoolbox: unknown command '{cmd}'");
    Console.Error.WriteLine("Run 'hanatoolbox' for usage.");
    return 1;
}