#!/bin/bash

# Define data directory
PGDATA="/var/lib/postgresql/data/pgdata"
export PGDATA

# Create the data directory if it doesn't exist
if [ ! -d "$PGDATA" ]; then
    echo "Initializing database..."
    # Configure Postgres to listen on localhost only (internal access for n8n)
    echo "listen_addresses = '127.0.0.1'" >> "$PGDATA/postgresql.conf"
    # Default port is 5432, so we don't need to specify it explicitly if we removed the override
    # But let's be explicit to be safe, reverting previous change
    # echo "port = 5432" >> "$PGDATA/postgresql.conf" 
    
    # Allow local connections
    echo "host all all 127.0.0.1/32 trust" >> "$PGDATA/pg_hba.conf"
    
    # Create a default user and database
    # We start postgres in the background to run setup commands
    pg_ctl -D "$PGDATA" -w start
    
    echo "Creating default user and database..."
    psql -d postgres -h 127.0.0.1 -c "CREATE USER app_user WITH PASSWORD 'app_password';"
    psql -d postgres -h 127.0.0.1 -c "CREATE DATABASE app_db OWNER app_user;"
    psql -d postgres -h 127.0.0.1 -c "GRANT ALL PRIVILEGES ON DATABASE app_db TO app_user;"
    
    pg_ctl -D "$PGDATA" stop
fi

# Start Postgres in the background
echo "Starting PostgreSQL on port 5432..."
pg_ctl -D "$PGDATA" -w start &

# Wait for Postgres to be ready
until pg_isready; do
  echo "Waiting for PostgreSQL to be ready..."
  sleep 2
done

# Start n8n
echo "Starting n8n on port 7860..."
export N8N_PORT=7860
export N8N_HOST=0.0.0.0
export N8N_PROTOCOL=https
# Disable n8n basic auth for simplicity in this demo (or set it up if needed)
# For Spaces, we might need to handle auth carefully. 
# n8n usually asks for setup on first run.
n8n start