// Command edgeguard-ctl is the admin CLI for setup, migrations and
// (later) cluster ops. v1 wires migrate + initdb so postinst can
// initialise a fresh node; cluster-* and promote remain stubs until
// Phase 3.
package main

import (
	"fmt"
	"os"
)

var version = "1.0.18"

const usage = `edgeguard-ctl — EdgeGuard CLI

Usage:
  edgeguard-ctl <command> [args]

Commands:
  version                      Print version and exit
  migrate up                   Apply pending migrations
  migrate down                 Roll back the most recent migration (dev only)
  migrate check                Validate embedded migrations (no DB connect)
  migrate dump [dir]           Write embedded SQL files to dir (default: ./migrations)
  initdb                       Create PostgreSQL role + database (idempotent)
  render-config                Regenerate haproxy / nftables configs from PG (--no-reload, --only=)
  wg-import [--path <dir>]     Import existing /etc/wireguard/*.conf files into the DB
  cluster-join                 Join an existing cluster (Phase 3, not yet implemented)
  promote                      Promote this node's PG to primary (Phase 3, not yet implemented)
  dump-config                  Print effective config (Phase 3, not yet implemented)
`

func main() {
	if len(os.Args) < 2 {
		fmt.Fprint(os.Stderr, usage)
		os.Exit(2)
	}
	switch os.Args[1] {
	case "-h", "--help", "help":
		fmt.Print(usage)
	case "version", "--version":
		fmt.Println(version)
	case "migrate":
		os.Exit(cmdMigrate(os.Args[2:]))
	case "initdb":
		os.Exit(cmdInitDB(os.Args[2:]))
	case "render-config":
		os.Exit(cmdRenderConfig(os.Args[2:]))
	case "wg-import":
		os.Exit(cmdWGImport(os.Args[2:]))
	case "cluster-join", "cluster-leave", "promote", "dump-config":
		fmt.Fprintf(os.Stderr, "edgeguard-ctl: %q is a Phase-3 stub — not yet implemented\n", os.Args[1])
		os.Exit(1)
	default:
		fmt.Fprintf(os.Stderr, "edgeguard-ctl: unknown command %q\n", os.Args[1])
		fmt.Fprint(os.Stderr, usage)
		os.Exit(2)
	}
}