#!/bin/bash
# Script per setup PostgreSQL in container Incus

set -e

CONTAINER_NAME=${1:-pg-server}
POSTGRES_PASSWORD=${2:-postgres}

echo "Creating Incus container: $CONTAINER_NAME"

# Creare container
incus launch images:ubuntu/22.04 "$CONTAINER_NAME" --wait

echo "Installing PostgreSQL..."

# Installare PostgreSQL
incus exec "$CONTAINER_NAME" -- apt update
incus exec "$CONTAINER_NAME" -- apt install -y postgresql postgresql-contrib

echo "Starting PostgreSQL..."

# Avviare PostgreSQL
incus exec "$CONTAINER_NAME" -- systemctl start postgresql
incus exec "$CONTAINER_NAME" -- systemctl enable postgresql

# Impostare password postgres
incus exec "$CONTAINER_NAME" -- sudo -u postgres psql -c "ALTER USER postgres WITH PASSWORD '$POSTGRES_PASSWORD';"

# Permettere connessioni TCP
incus exec "$CONTAINER_NAME" -- bash -c "
echo \"host    all             all             0.0.0.0/0               md5\" >> /etc/postgresql/14/main/pg_hba.conf
sed -i \"s/#listen_addresses = 'localhost'/listen_addresses = '*'/\" /etc/postgresql/14/main/postgresql.conf
"

# Riavviare PostgreSQL
incus exec "$CONTAINER_NAME" -- systemctl restart postgresql

# Ottenere IP
IP=$(incus list "$CONTAINER_NAME" -c4 | tail -n1 | awk '{print $1}')

echo ""
echo "✓ PostgreSQL is running!"
echo ""
echo "Connection details:"
echo "  Host: $IP"
echo "  Port: 5432"
echo "  User: postgres"
echo "  Password: $POSTGRES_PASSWORD"
echo ""
echo "Update .env file with:"
echo "  POSTGRES_HOST=$IP"
echo "  POSTGRES_PASSWORD=$POSTGRES_PASSWORD"