package main

import (
	"fmt"
	"os"
)

var version = "0.0.1-dev"

const usage = `edgeguard-ctl — EdgeGuard CLI

Usage:
  edgeguard-ctl <command> [args]

Commands:
  version              Print version
  initdb               Initialise PostgreSQL database and user (idempotent)
  migrate up           Apply pending migrations
  migrate down         Roll back last migration (dev only)
  cluster-join         Join an existing cluster (--from URL --token TOKEN)
  cluster-leave        Leave the cluster cleanly
  promote              Promote this node's PG to primary
  dump-config          Print effective config to stdout
`

func main() {
	if len(os.Args) < 2 {
		fmt.Fprint(os.Stderr, usage)
		os.Exit(2)
	}
	switch os.Args[1] {
	case "version":
		fmt.Println(version)
	case "-h", "--help", "help":
		fmt.Print(usage)
	default:
		fmt.Fprintf(os.Stderr, "edgeguard-ctl: command %q not yet implemented\n", os.Args[1])
		os.Exit(2)
	}
}