#!/usr/bin/env bash
# Download Standard Rollup governance TOML from superchain-registry (mainnet validation inputs).
# Usage: bash scripts/op-stack/fetch-standard-mainnet-toml.sh [--dry-run]
set -euo pipefail

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
PROJECT_ROOT="$(cd "$SCRIPT_DIR/../.." && pwd)"
CACHE="${PROJECT_ROOT}/config/op-stack-superchain/cache"
BASE="https://raw.githubusercontent.com/ethereum-optimism/superchain-registry/main/validation/standard"

DRY_RUN=false
for a in "$@"; do [[ "$a" == "--dry-run" ]] && DRY_RUN=true; done

FILES=(
  "standard-versions-mainnet.toml"
  "standard-config-params-mainnet.toml"
  "standard-config-roles-mainnet.toml"
)

if $DRY_RUN; then
  echo "Would fetch into $CACHE:"
  for f in "${FILES[@]}"; do echo "  $BASE/$f"; done
  exit 0
fi

mkdir -p "$CACHE"
command -v curl >/dev/null 2>&1 || { echo "ERROR: curl required" >&2; exit 1; }

for f in "${FILES[@]}"; do
  out="${CACHE}/${f}"
  echo "Fetching $f ..."
  curl -fsSL -o "$out.new" "$BASE/$f"
  mv "$out.new" "$out"
  echo "  -> $out"
done

echo "Done. Compare with prior revisions before updating pinned-versions manifest."