#!/bin/bash
# Script to update DATABASE_URL with connection pool parameters

ENV_FILE=".env"

if [ ! -f "$ENV_FILE" ]; then
  echo "❌ Error: .env file not found"
  exit 1
fi

# Check if DATABASE_URL already has connection_limit
if grep -q "connection_limit" "$ENV_FILE"; then
  echo "⚠️  DATABASE_URL already contains connection_limit parameter"
  echo "Current DATABASE_URL:"
  grep "DATABASE_URL" "$ENV_FILE"
  exit 0
fi

# Backup the file
cp "$ENV_FILE" "$ENV_FILE.bak"
echo "✅ Created backup: $ENV_FILE.bak"

# Update DATABASE_URL
# This will add connection_limit=10&pool_timeout=20&connect_timeout=10 to the URL
if [[ "$OSTYPE" == "darwin"* ]]; then
  # macOS
  sed -i '' 's|DATABASE_URL="\(.*\)"|DATABASE_URL="\1\&connection_limit=10\&pool_timeout=20\&connect_timeout=10"|' "$ENV_FILE"
  sed -i '' 's|DATABASE_URL="\(.*\)?\(.*\)"|DATABASE_URL="\1?\2\&connection_limit=10\&pool_timeout=20\&connect_timeout=10"|' "$ENV_FILE"
else
  # Linux
  sed -i 's|DATABASE_URL="\(.*\)"|DATABASE_URL="\1\&connection_limit=10\&pool_timeout=20\&connect_timeout=10"|' "$ENV_FILE"
  sed -i 's|DATABASE_URL="\(.*\)?\(.*\)"|DATABASE_URL="\1?\2\&connection_limit=10\&pool_timeout=20\&connect_timeout=10"|' "$ENV_FILE"
fi

echo "✅ Updated DATABASE_URL with connection pool parameters"
echo ""
echo "New DATABASE_URL:"
grep "DATABASE_URL" "$ENV_FILE"
echo ""
echo "⚠️  Please review the changes and test the connection"