#!/bin/bash

# Supabase Setup Script (Official Method)
# Based on: https://supabase.com/docs/guides/self-hosting/docker
# This script follows the official Supabase self-hosting guide

set -e

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
TEMP_DIR="$SCRIPT_DIR/temp"
PROJECT_DIR="$SCRIPT_DIR"

echo "🚀 Setting up Supabase (Official Method)..."
echo ""

# Check prerequisites
echo "📋 Checking prerequisites..."
if ! command -v git &> /dev/null; then
    echo "❌ Error: git is not installed. Please install git first."
    exit 1
fi

if ! command -v docker &> /dev/null; then
    echo "❌ Error: docker is not installed. Please install Docker first."
    exit 1
fi

if ! docker compose version &> /dev/null; then
    echo "❌ Error: docker compose is not available. Please install Docker Compose."
    exit 1
fi

echo "✅ Prerequisites check passed"
echo ""

# Step 1: Clone Supabase repository
echo "📥 Step 1: Cloning Supabase repository..."
if [ -d "$TEMP_DIR" ]; then
    echo "   Removing existing temp directory..."
    rm -rf "$TEMP_DIR"
fi

git clone --depth 1 https://github.com/supabase/supabase "$TEMP_DIR"
echo "✅ Repository cloned"
echo ""

# Step 2: Copy docker files
echo "📁 Step 2: Copying Docker configuration files..."

# Copy docker-compose.yml and related files
cp -f "$TEMP_DIR/docker/docker-compose.yml" "$PROJECT_DIR/"
echo "   ✓ docker-compose.yml"

# Copy volumes directory structure and config files
if [ -d "$PROJECT_DIR/volumes" ]; then
    echo "   Backing up existing volumes directory..."
    mv "$PROJECT_DIR/volumes" "$PROJECT_DIR/volumes.backup.$(date +%Y%m%d_%H%M%S)"
fi

mkdir -p "$PROJECT_DIR/volumes"
cp -rf "$TEMP_DIR/docker/volumes" "$PROJECT_DIR/"
echo "   ✓ volumes/ (config files)"

# Copy utils directory (contains generate-keys.sh)
if [ -d "$PROJECT_DIR/utils" ]; then
    rm -rf "$PROJECT_DIR/utils"
fi
cp -rf "$TEMP_DIR/docker/utils" "$PROJECT_DIR/"
chmod +x "$PROJECT_DIR/utils/generate-keys.sh"
echo "   ✓ utils/ (including generate-keys.sh)"

# Copy .env.example if .env doesn't exist
if [ ! -f "$PROJECT_DIR/.env" ]; then
    echo "   Creating .env from official .env.example..."
    cp "$TEMP_DIR/docker/.env.example" "$PROJECT_DIR/.env"
    echo "   ✓ .env (from official template)"
else
    echo "   ⚠️  .env already exists, skipping. Backup created as .env.example.new"
    cp "$TEMP_DIR/docker/.env.example" "$PROJECT_DIR/.env.example.new"
fi

echo "✅ Files copied"
echo ""

# Step 3: Update ports to avoid conflicts
echo "🔧 Step 3: Updating ports to avoid conflicts with existing services..."

# Update Kong ports in docker-compose.yml
if [[ "$OSTYPE" == "darwin"* ]]; then
    # macOS
    sed -i '' 's/\${KONG_HTTP_PORT}:8000/8100:8000/g' "$PROJECT_DIR/docker-compose.yml"
    sed -i '' 's/\${KONG_HTTPS_PORT}:8443/8443:8443/g' "$PROJECT_DIR/docker-compose.yml"
    sed -i '' 's/\${POSTGRES_PORT}:5432/5434:5432/g' "$PROJECT_DIR/docker-compose.yml"
    sed -i '' 's/\${POOLER_PROXY_PORT_TRANSACTION}:6543/6544:6543/g' "$PROJECT_DIR/docker-compose.yml"
else
    # Linux
    sed -i 's/\${KONG_HTTP_PORT}:8000/8100:8000/g' "$PROJECT_DIR/docker-compose.yml"
    sed -i 's/\${KONG_HTTPS_PORT}:8443/8443:8443/g' "$PROJECT_DIR/docker-compose.yml"
    sed -i 's/\${POSTGRES_PORT}:5432/5434:5432/g' "$PROJECT_DIR/docker-compose.yml"
    sed -i 's/\${POOLER_PROXY_PORT_TRANSACTION}:6543/6544:6543/g' "$PROJECT_DIR/docker-compose.yml"
fi

# Update .env with custom ports
if [[ "$OSTYPE" == "darwin"* ]]; then
    sed -i '' 's/KONG_HTTP_PORT=8000/KONG_HTTP_PORT=8100/g' "$PROJECT_DIR/.env"
    sed -i '' 's/POSTGRES_PORT=5432/POSTGRES_PORT=5434/g' "$PROJECT_DIR/.env"
    sed -i '' 's/POOLER_PROXY_PORT_TRANSACTION=6543/POOLER_PROXY_PORT_TRANSACTION=6544/g' "$PROJECT_DIR/.env"
else
    sed -i 's/KONG_HTTP_PORT=8000/KONG_HTTP_PORT=8100/g' "$PROJECT_DIR/.env"
    sed -i 's/POSTGRES_PORT=5432/POSTGRES_PORT=5434/g' "$PROJECT_DIR/.env"
    sed -i 's/POOLER_PROXY_PORT_TRANSACTION=6543/POOLER_PROXY_PORT_TRANSACTION=6544/g' "$PROJECT_DIR/.env"
fi

echo "   ✓ Kong HTTP port: 8100 (instead of 8000)"
echo "   ✓ PostgreSQL port: 5434 (instead of 5432)"
echo "   ✓ Pooler port: 6544 (instead of 6543)"
echo "✅ Ports updated"
echo ""

# Step 3.5: Update service names to use sdp- prefix
echo "🔧 Step 3.5: Updating service names to use sdp- prefix..."

# Update docker-compose.yml - add sdp- prefix to all service names
if [[ "$OSTYPE" == "darwin"* ]]; then
    # macOS
    sed -i '' 's/^  studio:/  sdp-studio:/g' "$PROJECT_DIR/docker-compose.yml"
    sed -i '' 's/^  kong:/  sdp-kong:/g' "$PROJECT_DIR/docker-compose.yml"
    sed -i '' 's/^  auth:/  sdp-auth:/g' "$PROJECT_DIR/docker-compose.yml"
    sed -i '' 's/^  rest:/  sdp-rest:/g' "$PROJECT_DIR/docker-compose.yml"
    sed -i '' 's/^  realtime:/  sdp-realtime:/g' "$PROJECT_DIR/docker-compose.yml"
    sed -i '' 's/^  storage:/  sdp-storage:/g' "$PROJECT_DIR/docker-compose.yml"
    sed -i '' 's/^  imgproxy:/  sdp-imgproxy:/g' "$PROJECT_DIR/docker-compose.yml"
    sed -i '' 's/^  meta:/  sdp-meta:/g' "$PROJECT_DIR/docker-compose.yml"
    sed -i '' 's/^  functions:/  sdp-functions:/g' "$PROJECT_DIR/docker-compose.yml"
    sed -i '' 's/^  analytics:/  sdp-analytics:/g' "$PROJECT_DIR/docker-compose.yml"
    sed -i '' 's/^  db:/  sdp-db:/g' "$PROJECT_DIR/docker-compose.yml"
    sed -i '' 's/^  vector:/  sdp-vector:/g' "$PROJECT_DIR/docker-compose.yml"
    sed -i '' 's/^  supavisor:/  sdp-supavisor:/g' "$PROJECT_DIR/docker-compose.yml"
    
    # Update container names
    sed -i '' 's/container_name: supabase-studio/container_name: sdp-supabase-studio/g' "$PROJECT_DIR/docker-compose.yml"
    sed -i '' 's/container_name: supabase-kong/container_name: sdp-supabase-kong/g' "$PROJECT_DIR/docker-compose.yml"
    sed -i '' 's/container_name: supabase-auth/container_name: sdp-supabase-auth/g' "$PROJECT_DIR/docker-compose.yml"
    sed -i '' 's/container_name: supabase-rest/container_name: sdp-supabase-rest/g' "$PROJECT_DIR/docker-compose.yml"
    sed -i '' 's/container_name: realtime-dev.supabase-realtime/container_name: sdp-realtime-dev.supabase-realtime/g' "$PROJECT_DIR/docker-compose.yml"
    sed -i '' 's/container_name: supabase-storage/container_name: sdp-supabase-storage/g' "$PROJECT_DIR/docker-compose.yml"
    sed -i '' 's/container_name: supabase-imgproxy/container_name: sdp-supabase-imgproxy/g' "$PROJECT_DIR/docker-compose.yml"
    sed -i '' 's/container_name: supabase-meta/container_name: sdp-supabase-meta/g' "$PROJECT_DIR/docker-compose.yml"
    sed -i '' 's/container_name: supabase-edge-functions/container_name: sdp-supabase-edge-functions/g' "$PROJECT_DIR/docker-compose.yml"
    sed -i '' 's/container_name: supabase-analytics/container_name: sdp-supabase-analytics/g' "$PROJECT_DIR/docker-compose.yml"
    sed -i '' 's/container_name: supabase-db/container_name: sdp-supabase-db/g' "$PROJECT_DIR/docker-compose.yml"
    sed -i '' 's/container_name: supabase-vector/container_name: sdp-supabase-vector/g' "$PROJECT_DIR/docker-compose.yml"
    sed -i '' 's/container_name: supabase-pooler/container_name: sdp-supabase-pooler/g' "$PROJECT_DIR/docker-compose.yml"
    
    # Update depends_on references
    sed -i '' 's/      analytics:/      sdp-analytics:/g' "$PROJECT_DIR/docker-compose.yml"
    sed -i '' 's/      db:/      sdp-db:/g' "$PROJECT_DIR/docker-compose.yml"
    sed -i '' 's/      rest:/      sdp-rest:/g' "$PROJECT_DIR/docker-compose.yml"
    sed -i '' 's/      imgproxy:/      sdp-imgproxy:/g' "$PROJECT_DIR/docker-compose.yml"
    sed -i '' 's/      vector:/      sdp-vector:/g' "$PROJECT_DIR/docker-compose.yml"
    
    # Update environment variable URLs
    sed -i '' 's|http://meta:8080|http://sdp-meta:8080|g' "$PROJECT_DIR/docker-compose.yml"
    sed -i '' 's|http://kong:8000|http://sdp-kong:8000|g' "$PROJECT_DIR/docker-compose.yml"
    sed -i '' 's|http://analytics:4000|http://sdp-analytics:4000|g' "$PROJECT_DIR/docker-compose.yml"
    sed -i '' 's|http://rest:3000|http://sdp-rest:3000|g' "$PROJECT_DIR/docker-compose.yml"
    sed -i '' 's|http://imgproxy:5001|http://sdp-imgproxy:5001|g' "$PROJECT_DIR/docker-compose.yml"
else
    # Linux
    sed -i 's/^  studio:/  sdp-studio:/g' "$PROJECT_DIR/docker-compose.yml"
    sed -i 's/^  kong:/  sdp-kong:/g' "$PROJECT_DIR/docker-compose.yml"
    sed -i 's/^  auth:/  sdp-auth:/g' "$PROJECT_DIR/docker-compose.yml"
    sed -i 's/^  rest:/  sdp-rest:/g' "$PROJECT_DIR/docker-compose.yml"
    sed -i 's/^  realtime:/  sdp-realtime:/g' "$PROJECT_DIR/docker-compose.yml"
    sed -i 's/^  storage:/  sdp-storage:/g' "$PROJECT_DIR/docker-compose.yml"
    sed -i 's/^  imgproxy:/  sdp-imgproxy:/g' "$PROJECT_DIR/docker-compose.yml"
    sed -i 's/^  meta:/  sdp-meta:/g' "$PROJECT_DIR/docker-compose.yml"
    sed -i 's/^  functions:/  sdp-functions:/g' "$PROJECT_DIR/docker-compose.yml"
    sed -i 's/^  analytics:/  sdp-analytics:/g' "$PROJECT_DIR/docker-compose.yml"
    sed -i 's/^  db:/  sdp-db:/g' "$PROJECT_DIR/docker-compose.yml"
    sed -i 's/^  vector:/  sdp-vector:/g' "$PROJECT_DIR/docker-compose.yml"
    sed -i 's/^  supavisor:/  sdp-supavisor:/g' "$PROJECT_DIR/docker-compose.yml"
    
    # Update container names
    sed -i 's/container_name: supabase-studio/container_name: sdp-supabase-studio/g' "$PROJECT_DIR/docker-compose.yml"
    sed -i 's/container_name: supabase-kong/container_name: sdp-supabase-kong/g' "$PROJECT_DIR/docker-compose.yml"
    sed -i 's/container_name: supabase-auth/container_name: sdp-supabase-auth/g' "$PROJECT_DIR/docker-compose.yml"
    sed -i 's/container_name: supabase-rest/container_name: sdp-supabase-rest/g' "$PROJECT_DIR/docker-compose.yml"
    sed -i 's/container_name: realtime-dev.supabase-realtime/container_name: sdp-realtime-dev.supabase-realtime/g' "$PROJECT_DIR/docker-compose.yml"
    sed -i 's/container_name: supabase-storage/container_name: sdp-supabase-storage/g' "$PROJECT_DIR/docker-compose.yml"
    sed -i 's/container_name: supabase-imgproxy/container_name: sdp-supabase-imgproxy/g' "$PROJECT_DIR/docker-compose.yml"
    sed -i 's/container_name: supabase-meta/container_name: sdp-supabase-meta/g' "$PROJECT_DIR/docker-compose.yml"
    sed -i 's/container_name: supabase-edge-functions/container_name: sdp-supabase-edge-functions/g' "$PROJECT_DIR/docker-compose.yml"
    sed -i 's/container_name: supabase-analytics/container_name: sdp-supabase-analytics/g' "$PROJECT_DIR/docker-compose.yml"
    sed -i 's/container_name: supabase-db/container_name: sdp-supabase-db/g' "$PROJECT_DIR/docker-compose.yml"
    sed -i 's/container_name: supabase-vector/container_name: sdp-supabase-vector/g' "$PROJECT_DIR/docker-compose.yml"
    sed -i 's/container_name: supabase-pooler/container_name: sdp-supabase-pooler/g' "$PROJECT_DIR/docker-compose.yml"
    
    # Update depends_on references
    sed -i 's/      analytics:/      sdp-analytics:/g' "$PROJECT_DIR/docker-compose.yml"
    sed -i 's/      db:/      sdp-db:/g' "$PROJECT_DIR/docker-compose.yml"
    sed -i 's/      rest:/      sdp-rest:/g' "$PROJECT_DIR/docker-compose.yml"
    sed -i 's/      imgproxy:/      sdp-imgproxy:/g' "$PROJECT_DIR/docker-compose.yml"
    sed -i 's/      vector:/      sdp-vector:/g' "$PROJECT_DIR/docker-compose.yml"
    
    # Update environment variable URLs
    sed -i 's|http://meta:8080|http://sdp-meta:8080|g' "$PROJECT_DIR/docker-compose.yml"
    sed -i 's|http://kong:8000|http://sdp-kong:8000|g' "$PROJECT_DIR/docker-compose.yml"
    sed -i 's|http://analytics:4000|http://sdp-analytics:4000|g' "$PROJECT_DIR/docker-compose.yml"
    sed -i 's|http://rest:3000|http://sdp-rest:3000|g' "$PROJECT_DIR/docker-compose.yml"
    sed -i 's|http://imgproxy:5001|http://sdp-imgproxy:5001|g' "$PROJECT_DIR/docker-compose.yml"
fi

echo "   ✓ docker-compose.yml updated"

# Update kong.yml - replace service names with sdp- prefix
if [[ "$OSTYPE" == "darwin"* ]]; then
    # macOS
    sed -i '' 's|http://auth:|http://sdp-auth:|g' "$PROJECT_DIR/volumes/api/kong.yml"
    sed -i '' 's|http://rest:|http://sdp-rest:|g' "$PROJECT_DIR/volumes/api/kong.yml"
    sed -i '' 's|http://realtime-dev\.supabase-realtime:|http://sdp-realtime-dev.supabase-realtime:|g' "$PROJECT_DIR/volumes/api/kong.yml"
    sed -i '' 's|http://storage:|http://sdp-storage:|g' "$PROJECT_DIR/volumes/api/kong.yml"
    sed -i '' 's|http://functions:|http://sdp-functions:|g' "$PROJECT_DIR/volumes/api/kong.yml"
    sed -i '' 's|http://analytics:|http://sdp-analytics:|g' "$PROJECT_DIR/volumes/api/kong.yml"
    sed -i '' 's|http://meta:|http://sdp-meta:|g' "$PROJECT_DIR/volumes/api/kong.yml"
    sed -i '' 's|http://studio:|http://sdp-studio:|g' "$PROJECT_DIR/volumes/api/kong.yml"
else
    # Linux
    sed -i 's|http://auth:|http://sdp-auth:|g' "$PROJECT_DIR/volumes/api/kong.yml"
    sed -i 's|http://rest:|http://sdp-rest:|g' "$PROJECT_DIR/volumes/api/kong.yml"
    sed -i 's|http://realtime-dev\.supabase-realtime:|http://sdp-realtime-dev.supabase-realtime:|g' "$PROJECT_DIR/volumes/api/kong.yml"
    sed -i 's|http://storage:|http://sdp-storage:|g' "$PROJECT_DIR/volumes/api/kong.yml"
    sed -i 's|http://functions:|http://sdp-functions:|g' "$PROJECT_DIR/volumes/api/kong.yml"
    sed -i 's|http://analytics:|http://sdp-analytics:|g' "$PROJECT_DIR/volumes/api/kong.yml"
    sed -i 's|http://meta:|http://sdp-meta:|g' "$PROJECT_DIR/volumes/api/kong.yml"
    sed -i 's|http://studio:|http://sdp-studio:|g' "$PROJECT_DIR/volumes/api/kong.yml"
fi

echo "   ✓ kong.yml updated"

# Update vector.yml - replace service names with sdp- prefix
if [[ "$OSTYPE" == "darwin"* ]]; then
    # macOS
    sed -i '' 's|http://analytics:|http://sdp-analytics:|g' "$PROJECT_DIR/volumes/logs/vector.yml"
else
    # Linux
    sed -i 's|http://analytics:|http://sdp-analytics:|g' "$PROJECT_DIR/volumes/logs/vector.yml"
    sed -i 's|supabase|sdp-|g' "$PROJECT_DIR/volumes/logs/vector.yml"
    sed -i 's|realtime-dev.sdp--realtime|sdp-realtime-dev.supabase-realtime|g' "$PROJECT_DIR/volumes/logs/vector.yml"
fi

echo "   ✓ vector.yml updated"
echo "✅ Service names updated in config files"
echo ""

# Step 4: Add external network configuration
echo "🌐 Step 4: Configuring external network..."
cat >> "$PROJECT_DIR/docker-compose.yml" << 'EOF'

# External network configuration for integration with other services
networks:
  default:
    name: shared_data_network
    external: true
EOF
echo "✅ Network configured"
echo ""

# Step 5: Generate secrets
echo "🔐 Step 5: Generating secrets and API keys..."
echo ""
echo "   Running official generate-keys.sh script..."
echo "   (This will update your .env file with secure random keys)"
echo ""

cd "$PROJECT_DIR"
bash ./utils/generate-keys.sh

echo ""
echo "✅ Secrets generated"
echo ""

# Step 6: Pull Docker images
echo "📦 Step 6: Pulling Docker images..."
docker compose pull
echo "✅ Images pulled"
echo ""

# Cleanup
echo "🧹 Cleaning up temporary files..."
rm -rf "$TEMP_DIR"
echo "✅ Cleanup complete"
echo ""

# Final instructions
echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
echo "✅ Supabase setup completed successfully!"
echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
echo ""
echo "📝 IMPORTANT: Review and update the following in .env file:"
echo ""
echo "   1. Database Password:"
echo "      POSTGRES_PASSWORD=<your-secure-password>"
echo ""
echo "   2. Dashboard Credentials:"
echo "      DASHBOARD_USERNAME=<your-username>"
echo "      DASHBOARD_PASSWORD=<your-secure-password>"
echo "      (Password must include at least one letter)"
echo ""
echo "   3. Public URLs (if using domain):"
echo "      SUPABASE_PUBLIC_URL=http://your-domain:8100"
echo "      API_EXTERNAL_URL=http://your-domain:8100"
echo "      SITE_URL=http://your-domain:3000"
echo ""
echo "   Note: JWT secrets and API keys have been auto-generated"
echo ""
echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
echo "🚀 Next steps:"
echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
echo ""
echo "   1. Review .env file:"
echo "      nano .env"
echo ""
echo "   2. Ensure shared_data_network exists:"
echo "      cd ../00-network && bash create-network.sh"
echo ""
echo "   3. Start Supabase:"
echo "      cd ../02-supabase"
echo "      docker compose up -d"
echo ""
echo "   4. Check service status:"
echo "      docker compose ps"
echo ""
echo "   5. View logs:"
echo "      docker compose logs -f"
echo ""
echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
echo "🌐 Access Points (after starting):"
echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
echo ""
echo "   Studio:      http://localhost:8100"
echo "   API Gateway: http://localhost:8100"
echo "   PostgreSQL:  localhost:5434"
echo "   Pooler:      localhost:6544"
echo ""
echo "   REST API:    http://localhost:8100/rest/v1/"
echo "   Auth API:    http://localhost:8100/auth/v1/"
echo "   Storage API: http://localhost:8100/storage/v1/"
echo "   Realtime:    http://localhost:8100/realtime/v1/"
echo ""
echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
echo ""
echo "📚 Documentation: https://supabase.com/docs/guides/self-hosting/docker"
echo ""