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

: "${CF_API_TOKEN:=}"
: "${CF_ACCOUNT_ID:=}"
: "${TUNNEL_NAME:=}"
: "${ZONE_NAME:=}"
: "${HOSTNAME:=}"
: "${LOCAL_SERVICE:=}"
: "${CONFIG_DIR:=$SKILL_ROOT/outputs/config}"
: "${SERVICE_NAME:=cloudflared-tunnel}"

main() {
  log_info "Starting 00_preflight.sh"
  cf_env_check
  [[ -n "$TUNNEL_NAME" ]] || die "TUNNEL_NAME is required."
  [[ -n "$ZONE_NAME" ]] || die "ZONE_NAME is required."
  [[ -n "$HOSTNAME" ]] || die "HOSTNAME is required."
  [[ -n "$LOCAL_SERVICE" ]] || die "LOCAL_SERVICE is required."

  need cloudflared
  need curl
  need jq
  need systemctl || log_warn "systemctl not found (service phase will not work)."

  mkdir -p "$SKILL_ROOT/outputs"
  mkdir -p "$CONFIG_DIR"

  log_info "Preflight OK."
}

main "$@"