#!/bin/zsh

set -u

PROJECT_DIR="${0:A:h}"
PID_FILE="$PROJECT_DIR/.run/spine-connector.pid"

CONNECTOR_PID=""
if [[ -f "$PID_FILE" ]]; then CONNECTOR_PID="$(tr -dc '0-9' < "$PID_FILE")"; fi

# PID 文件可能因手动启动、异常退出或脚本升级而缺失。此时回查连接器固定端口。
if [[ -z "$CONNECTOR_PID" ]] || ! kill -0 "$CONNECTOR_PID" 2>/dev/null; then
  CONNECTOR_PID="$(lsof -tiTCP:27843 -sTCP:LISTEN 2>/dev/null | head -n 1)"
fi

if [[ -z "$CONNECTOR_PID" ]] || ! kill -0 "$CONNECTOR_PID" 2>/dev/null; then
  rm -f "$PID_FILE"
  echo "Spine粒子连接器已经停止。"
  exit 0
fi

COMMAND="$(ps -p "$CONNECTOR_PID" -o command= 2>/dev/null)"
PROCESS_CWD="$(lsof -a -p "$CONNECTOR_PID" -d cwd -Fn 2>/dev/null | sed -n 's/^n//p' | head -n 1)"
if [[ "$COMMAND" != *"connector/spine-connector.mjs"* ]] || [[ "$PROCESS_CWD" != "$PROJECT_DIR" ]]; then
  echo "27843 端口对应的进程不属于当前项目，为避免误关，本次未执行停止。"
  echo "进程目录：${PROCESS_CWD:-未知}"
  rm -f "$PID_FILE"
  exit 1
fi

kill "$CONNECTOR_PID" 2>/dev/null || true
for _ in {1..30}; do
  if ! kill -0 "$CONNECTOR_PID" 2>/dev/null; then break; fi
  sleep 0.1
done
if kill -0 "$CONNECTOR_PID" 2>/dev/null; then kill -KILL "$CONNECTOR_PID" 2>/dev/null || true; fi
rm -f "$PID_FILE"
echo "Spine粒子连接器已停止。"