#!/usr/bin/env bash
set -euo pipefail
SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
SKILL_ROOT="$(dirname "$SCRIPT_DIR")"
source "$SCRIPT_DIR/_common.sh"

: "${ZONE_NAME:=}"
: "${HOSTNAME:=}"
: "${CONFIG_DIR:=$SKILL_ROOT/outputs/config}"

main() {
  [[ -n "$ZONE_NAME" ]] || die "ZONE_NAME is required."
  [[ -n "$HOSTNAME" ]] || die "HOSTNAME is required."
  [[ -f "$CONFIG_DIR/tunnel.json" ]] || log_warn "Missing tunnel snapshot (run 11_tunnel_apply.sh first)."

  echo "[PLAN]  $(date -Iseconds) DNS route plan"
  echo "[PLAN]  Ensure CNAME exists for hostname:"
  echo "        $HOSTNAME  ->  <tunnel-id>.cfargotunnel.com"
  echo "[PLAN]  Cloudflare API will be used to find zone id for: $ZONE_NAME"
  echo "[PLAN]  Next: ./scripts/21_dns_apply.sh (requires DRY_RUN=0)"
}

main "$@"