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

: "${BTC_NETWORK:=testnet}"
: "${BTC_FEE_RATE:=5}"
: "${OP_RETURN_PREFIX:=VM}"

main() {
  root_hex="$(read_root_hex)"
  prefix_hex="$(ascii_to_hex "$OP_RETURN_PREFIX")"
  payload="${prefix_hex}${root_hex}"
  # OP_RETURN payload max is 80 bytes standard; we keep under 80 bytes (160 hex chars)
  payload="${payload:0:160}"

  echo "[PLAN] $(date -Iseconds) BTC Anchor"
  echo "[PLAN] Network: $BTC_NETWORK"
  echo "[PLAN] Fee rate (sat/vB): $BTC_FEE_RATE"
  echo "[PLAN] Prefix: $OP_RETURN_PREFIX (hex: $prefix_hex)"
  echo "[PLAN] Root hex (raw): $root_hex"
  echo "[PLAN] OP_RETURN payload hex: $payload"
  echo "[PLAN] Will create OP_RETURN tx via wallet RPCs: createrawtransaction -> walletcreatefundedpsbt -> walletprocesspsbt -> finalizepsbt -> sendrawtransaction"
  echo "[PLAN] Next: export DRY_RUN=0 && ./scripts/11_apply.sh"
}
main "$@"