#!/bin/zsh

set -u

PROJECT_DIR="${0:A:h}"
RUN_DIR="$PROJECT_DIR/.run"
PID_FILE="$RUN_DIR/spine-particle.pid"
LOG_FILE="$RUN_DIR/spine-particle.log"
URL="http://127.0.0.1:5173/"

open_project_url() {
  if [[ "${SPINE_PARTICLE_NO_OPEN:-0}" != "1" ]]; then open "$URL"; fi
}

mkdir -p "$RUN_DIR"
cd "$PROJECT_DIR" || exit 1

if [[ -f "$PID_FILE" ]]; then
  RUNNING_PID="$(tr -dc '0-9' < "$PID_FILE")"
  if [[ -n "$RUNNING_PID" ]] && kill -0 "$RUNNING_PID" 2>/dev/null; then
    echo "Spine粒子编辑器已经在运行，正在打开页面："
    echo "$URL"
    open_project_url
    exit 0
  fi
  rm -f "$PID_FILE"
fi

# 兼容此前手动启动、尚未生成 PID 文件的本项目服务。
PORT_PID="$(lsof -tiTCP:5173 -sTCP:LISTEN 2>/dev/null | head -n 1)"
if [[ -n "$PORT_PID" ]]; then
  PROCESS_CWD="$(lsof -a -p "$PORT_PID" -d cwd -Fn 2>/dev/null | sed -n 's/^n//p' | head -n 1)"
  if [[ "$PROCESS_CWD" == "$PROJECT_DIR" ]]; then
    echo "$PORT_PID" > "$PID_FILE"
    echo "Spine粒子编辑器已经在运行，正在打开页面："
    echo "$URL"
    open_project_url
    exit 0
  fi
  echo "5173 端口正被其他程序占用：$PROCESS_CWD"
  read "?按回车键关闭窗口..."
  exit 1
fi

if ! command -v npm >/dev/null 2>&1; then
  echo "未找到 npm，请先安装 Node.js。"
  echo "https://nodejs.org/"
  read "?按回车键关闭窗口..."
  exit 1
fi

if [[ ! -x "$PROJECT_DIR/node_modules/.bin/vite" ]]; then
  echo "首次运行，正在安装项目依赖..."
  npm install || {
    echo "依赖安装失败，请检查网络或 npm 配置。"
    read "?按回车键关闭窗口..."
    exit 1
  }
fi

echo "正在启动 Spine粒子编辑器..."
nohup "$PROJECT_DIR/node_modules/.bin/vite" --host 127.0.0.1 --port 5173 --strictPort > "$LOG_FILE" 2>&1 &
SERVER_PID=$!
echo "$SERVER_PID" > "$PID_FILE"

for _ in {1..60}; do
  if ! kill -0 "$SERVER_PID" 2>/dev/null; then
    echo "项目启动失败，日志如下："
    tail -n 30 "$LOG_FILE"
    rm -f "$PID_FILE"
    read "?按回车键关闭窗口..."
    exit 1
  fi
  if curl -fsS "$URL" >/dev/null 2>&1; then
    echo "启动成功：$URL"
    open_project_url
    exit 0
  fi
  sleep 0.25
done

echo "项目启动超时，请查看日志：$LOG_FILE"
read "?按回车键关闭窗口..."
exit 1