#!/usr/bin/env bash
# ------------------------------------------------------------------
# 05_stop_server.sh
# Gracefully stops the background vLLM server.
# ------------------------------------------------------------------
set -euo pipefail

SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
PID_FILE="${SCRIPT_DIR}/logs/vllm_server.pid"

if [ ! -f "$PID_FILE" ]; then
    echo "No PID file found. Server may not be running."
    exit 0
fi

SERVER_PID=$(cat "$PID_FILE")

if kill -0 "$SERVER_PID" 2>/dev/null; then
    echo "Stopping server (PID: ${SERVER_PID})..."
    kill "$SERVER_PID"
    sleep 2
    if kill -0 "$SERVER_PID" 2>/dev/null; then
        echo "Process still alive, sending SIGKILL..."
        kill -9 "$SERVER_PID"
    fi
    echo "Server stopped."
else
    echo "Server process (PID: ${SERVER_PID}) is not running."
fi

rm -f "$PID_FILE"