package cli

import (
	"context"
	"fmt"
	"io"

	"gitea.maximumdirect.net/eric/distributor/internal/app"
)

var serveApp = app.Serve

func serveCommand(ctx context.Context, args []string, stdout, stderr io.Writer) int {
	if hasHelp(args) {
		printServeHelp(stdout)
		return exitOK
	}

	flags := newFlagSet("serve", stderr)
	configPath := flags.String("config", "", "path to config file")
	if err := flags.Parse(args); err != nil {
		return exitUsage
	}
	if rejectPositionalArgs(stderr, "serve", flags.Args()) {
		return exitUsage
	}

	if err := serveApp(ctx, app.ServeOptions{ConfigPath: *configPath}); err != nil {
		return fail(stderr, err)
	}
	return exitOK
}

func printServeHelp(w io.Writer) {
	fmt.Fprint(w, `Usage:
  distributor serve --config <path>

Options:
  --config <path>  Path to config file

Serve loads configured HTTP upload sources, resolves upload tokens through the
configured secret environment, and starts the HTTP upload API.
`)
}