#!/bin/bash
# Clawdbot Gateway wrapper for systemd
# Handles port conflicts by killing orphaned processes before starting

export CLAWDBOT_SKIP_USER_SERVICE_CHECK=1

PORT=18789

# Check if something is already holding the port
EXISTING_PID=$(ss -tlnp "sport = :${PORT}" 2>/dev/null | grep -oP 'pid=\K[0-9]+' | head -1)

if [ -n "$EXISTING_PID" ]; then
    # Check if it's us (systemd-managed) or an orphan
    EXISTING_PPID=$(ps -o ppid= -p "$EXISTING_PID" 2>/dev/null | tr -d ' ')
    if [ "$EXISTING_PPID" != "1" ]; then
        echo "Killing orphaned gateway process PID=$EXISTING_PID (PPID=$EXISTING_PPID)"
        kill "$EXISTING_PID" 2>/dev/null
        sleep 2
        # Force kill if still alive
        if kill -0 "$EXISTING_PID" 2>/dev/null; then
            echo "Force killing PID=$EXISTING_PID"
            kill -9 "$EXISTING_PID" 2>/dev/null
            sleep 1
        fi
    else
        echo "Port $PORT held by systemd-managed PID=$EXISTING_PID — stopping"
        exit 1
    fi
fi

exec /usr/bin/openclaw gateway run --bind loopback "$@"