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

: "${MERKLE_RUN_DIR:=}"
: "${RFC3161_DIR:=}"
: "${ETH_RUN_DIR:=}"
: "${ETH_RPC_URL:=}"
: "${BTC_RUN_DIR:=}"
: "${BTC_NETWORK:=testnet}"

main() {
  [[ -n "$MERKLE_RUN_DIR" ]] || { log_error "MERKLE_RUN_DIR is required"; exit 1; }
  [[ -d "$MERKLE_RUN_DIR" ]] || { log_error "MERKLE_RUN_DIR not found: $MERKLE_RUN_DIR"; exit 1; }
  [[ -f "$MERKLE_RUN_DIR/ROOT.txt" ]] || { log_error "Missing ROOT.txt in $MERKLE_RUN_DIR"; exit 1; }

  # tools (soft requirements)
  need jq || true
  need openssl || true
  need cast || true
  need bitcoin-cli || true

  log_info "Preflight OK (soft dependencies may be missing; checks will be skipped accordingly)."
}
main "$@"