#!/bin/bash
set -e

case "$1" in
    configure)
        # Create skyview-adsb user and group if they don't exist
        if ! getent group skyview-adsb >/dev/null 2>&1; then
            addgroup --system --quiet skyview-adsb
        fi
        
        if ! getent passwd skyview-adsb >/dev/null 2>&1; then
            adduser --system --ingroup skyview-adsb --home /var/lib/skyview-adsb \
                    --no-create-home --disabled-password --quiet skyview-adsb
        fi
        
        # Create directories with proper permissions
        mkdir -p /var/lib/skyview-adsb /var/log/skyview-adsb >/dev/null 2>&1 || true
        chown skyview-adsb:skyview-adsb /var/lib/skyview-adsb /var/log/skyview-adsb >/dev/null 2>&1 || true
        chmod 755 /var/lib/skyview-adsb /var/log/skyview-adsb >/dev/null 2>&1 || true
        
        # Create database directory for skyview user (not skyview-adsb)
        mkdir -p /var/lib/skyview >/dev/null 2>&1 || true
        if getent passwd skyview >/dev/null 2>&1; then
            chown skyview:skyview /var/lib/skyview >/dev/null 2>&1 || true
        else
            # Create skyview user for database management
            if ! getent group skyview >/dev/null 2>&1; then
                addgroup --system --quiet skyview
            fi
            adduser --system --ingroup skyview --home /var/lib/skyview \
                    --no-create-home --disabled-password --shell /bin/false --quiet skyview
            chown skyview:skyview /var/lib/skyview >/dev/null 2>&1 || true
        fi
        chmod 755 /var/lib/skyview >/dev/null 2>&1 || true
        
        # Set permissions on config files
        if [ -f /etc/skyview-adsb/config.json ]; then
            chown root:skyview-adsb /etc/skyview-adsb/config.json >/dev/null 2>&1 || true
            chmod 640 /etc/skyview-adsb/config.json >/dev/null 2>&1 || true
        fi
        
        
        # Handle systemd services
        systemctl daemon-reload >/dev/null 2>&1 || true
        
        # Check if main service was previously enabled
        if systemctl is-enabled skyview-adsb >/dev/null 2>&1; then
            # Service was enabled, restart it
            systemctl restart skyview-adsb >/dev/null 2>&1 || true
        fi
        
        # Only restart database timer if it was already enabled
        if systemctl is-enabled skyview-database-update.timer >/dev/null 2>&1; then
            systemctl restart skyview-database-update.timer >/dev/null 2>&1 || true
        fi
        
        # Initialize database on first install (but don't auto-enable timer)
        if [ ! -f /var/lib/skyview/skyview.db ]; then
            echo "Initializing SkyView database..."
            sudo -u skyview /usr/bin/skyview-data update >/dev/null 2>&1 || true
            echo "Database initialized with safe (public domain) data."
            echo ""
            echo "To enable automatic weekly updates:"
            echo "  systemctl enable --now skyview-database-update.timer"
            echo ""  
            echo "To import additional data sources:"
            echo "  skyview-data list"
            echo "  skyview-data import <source>"
        fi
        ;;
esac

exit 0