#!/bin/bash
# build-prisma-layer.sh
# Script to rebuild the Prisma layer for Lambda deployment
# Usage: ./build-prisma-layer.sh

set -e

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
LAYER_PATH="$SCRIPT_DIR/layers/prisma/nodejs"

echo "🔄 Building Prisma layer for Lambda..."

# Step 1: Regenerate Prisma client
echo "📦 Regenerating Prisma client..."
cd "$SCRIPT_DIR"
npx prisma generate

# Step 2: Clean layer node_modules
echo "🧹 Cleaning layer node_modules..."
rm -rf "$LAYER_PATH/node_modules"

# Step 3: Install layer dependencies
echo "📥 Installing layer dependencies..."
cd "$LAYER_PATH"
npm install --production

# Step 4: Copy generated Prisma client to layer
echo "📋 Copying generated Prisma client to layer..."
mkdir -p "$LAYER_PATH/node_modules/.prisma"
cp -r "$SCRIPT_DIR/node_modules/.prisma/client" "$LAYER_PATH/node_modules/.prisma/client"

# Step 5: Calculate layer size
LAYER_SIZE=$(du -sh "$LAYER_PATH" | cut -f1)
echo "✅ Layer built successfully!"
echo "📊 Layer size: $LAYER_SIZE"

# List contents
echo ""
echo "📁 Layer contents:"
ls -d "$LAYER_PATH/node_modules"/*/ 2>/dev/null | xargs -n 1 basename | sed 's/^/   - /'