#!/usr/bin/env bash
# Prepare Chain 138 for chainlist.org (ethereum-lists/chains).
# Prints PR steps and validates pr-workspace/chains/_data/chains/eip155-138.json.
# See: https://github.com/ethereum-lists/chains

set -euo pipefail

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
PROJECT_ROOT="$(cd "$SCRIPT_DIR/.." && pwd)"
CHAIN_FILE="$PROJECT_ROOT/pr-workspace/chains/_data/chains/eip155-138.json"
REPO_URL="https://github.com/ethereum-lists/chains"
REPO_DATA_PATH="_data/chains"

echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
echo "Chain 138 – submit to chainlist.org (ethereum-lists/chains)"
echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
echo ""

if [ ! -f "$CHAIN_FILE" ]; then
  echo "❌ Chain file not found: $CHAIN_FILE"
  exit 1
fi

# Validate JSON
if command -v jq >/dev/null 2>&1; then
  if jq empty "$CHAIN_FILE" 2>/dev/null; then
    echo "✓ JSON valid: $CHAIN_FILE"
    echo "  name: $(jq -r '.name' "$CHAIN_FILE")"
    echo "  chainId: $(jq -r '.chainId' "$CHAIN_FILE")"
    echo "  rpc count: $(jq -r '.rpc | length' "$CHAIN_FILE")"
  else
    echo "❌ Invalid JSON: $CHAIN_FILE"
    exit 1
  fi
else
  echo "⚠ jq not found; skipping JSON validation"
fi
echo ""

echo "To add Chain 138 to chainlist.org:"
echo ""
echo "  1. Fork the repo:  $REPO_URL"
echo "  2. Clone your fork, then copy the chain file:"
echo "     cp $CHAIN_FILE <your-fork>/$REPO_DATA_PATH/eip155-138.json"
echo "  3. Commit and push, then open a Pull Request to ethereum-lists/chains"
echo "  4. PR title example: \"Add Defi Oracle Meta Mainnet (Chain ID 138)\""
echo ""
echo "Chain list format: one file per chain, filename eip155-<chainId>.json"
echo "Docs: https://github.com/ethereum-lists/chains#adding-a-new-chain"
echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"