// Atlas9 developer CLI.
package main

import (
	"fmt"
	"os"
)

var commands = map[string]func([]string){
	"run":     cmdRun,
	"traces":  cmdTraces,
	"enumgen": cmdEnumgen,
	"gendocs": cmdGendocs,
	"gensite": cmdGensite,
}

func main() {

	if len(os.Args) < 2 {
		usage()
		os.Exit(2)
	}

	name := os.Args[1]
	fn, ok := commands[name]
	if !ok {
		fmt.Fprintf(os.Stderr, "atlas9: unknown command %q\n\n", name)
		usage()
		os.Exit(2)
	}
	fn(os.Args[2:])
}

func usage() {
	fmt.Fprintln(os.Stderr, "usage: atlas9 <command> [args]")
	fmt.Fprintln(os.Stderr)
	fmt.Fprintln(os.Stderr, "commands:")
	fmt.Fprintln(os.Stderr, "  run      start the dev server with hot reload")
	fmt.Fprintln(os.Stderr, "  traces   render slog JSON logs as request traces")
	fmt.Fprintln(os.Stderr, "  enumgen  generate typed enum types from //atlas:enum directives")
	fmt.Fprintln(os.Stderr, "  gendocs  generate a package index for the atlas9 repo")
	fmt.Fprintln(os.Stderr, "  gensite  render a static site from HTML templates")
}