#!/usr/bin/env bash
set -euo pipefail
ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
source "$ROOT/lib.sh"

#──────────────────────────────────────────────────────────────
# STATE: Computer network identity (edit these values)
#──────────────────────────────────────────────────────────────
COMPUTER_NAME="torben-mba"
HOST_NAME="torben-mba"
LOCAL_HOST_NAME="torben-mba"

#──────────────────────────────────────────────────────────────
# LOGIC: Idempotent network name configuration
#──────────────────────────────────────────────────────────────

log "Checking network names"

current_computer=$(scutil --get ComputerName 2>/dev/null || echo "")
current_host=$(scutil --get HostName 2>/dev/null || echo "")
current_local=$(scutil --get LocalHostName 2>/dev/null || echo "")

changed=false

if [[ "$current_computer" != "$COMPUTER_NAME" ]]; then
  log "Setting ComputerName: $COMPUTER_NAME"
  sudo scutil --set ComputerName "$COMPUTER_NAME"
  changed=true
fi

if [[ "$current_host" != "$HOST_NAME" ]]; then
  log "Setting HostName: $HOST_NAME"
  sudo scutil --set HostName "$HOST_NAME"
  changed=true
fi

if [[ "$current_local" != "$LOCAL_HOST_NAME" ]]; then
  log "Setting LocalHostName: $LOCAL_HOST_NAME"
  sudo scutil --set LocalHostName "$LOCAL_HOST_NAME"
  changed=true
fi

if [[ "$changed" == "true" ]]; then
  log "Flushing DNS cache"
  sudo dscacheutil -flushcache
  sudo killall -HUP mDNSResponder
else
  log "Network names already configured"
fi

log "Network names verified"