#!/bin/bash
# ============================================================
# 开发启动脚本 (Linux / Git Bash 通用)
# 用法:
#   bash dev.sh backend    启动后端 (端口 9999)
#   bash dev.sh frontend   启动前端 (端口 3000)
#   bash dev.sh kill       关闭所有项目进程
# ============================================================

SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"

kill_port() {
    local port=$1
    local pids
    if [ "$IS_WIN" = true ]; then
        # Windows: netstat -ano 第5列是PID
        pids=$(netstat -ano 2>/dev/null | grep ":$port" | grep "LISTENING" | awk '{print $5}' | sort -u)
    else
        # Linux: lsof 或 ss
        pids=$(lsof -ti :$port 2>/dev/null || ss -tlnp 2>/dev/null | grep ":$port" | grep -oP 'pid=\K\d+' | sort -u)
    fi
    if [ -n "$pids" ]; then
        for pid in $pids; do
            if [ "$IS_WIN" = true ]; then
                taskkill //F //PID "$pid" 2>/dev/null
            else
                kill -9 "$pid" 2>/dev/null
            fi
            echo "  [KILL] PID $pid (port $port)"
        done
    else
        echo "  [OK] 端口 $port 无进程"
    fi
}

# 检测系统
case "$OSTYPE" in
    msys|cygwin|win32) IS_WIN=true ;;
    *)                 IS_WIN=false ;;
esac

case "${1}" in
    backend)
        kill_port 9999
        sleep 1
        cd "$SCRIPT_DIR/our-itam"
        echo "=== our-itam 后端启动中... 端口:9999 ==="
        mvn spring-boot:run -Dspring-boot.run.profiles=dev
        ;;
    frontend)
        kill_port 3000
        sleep 1
        cd "$SCRIPT_DIR/antdv-next-admin"
        echo "=== antdv-next-admin 前端启动中... 端口:3000 ==="
        npm run dev
        ;;
    kill)
        kill_port 9999
        kill_port 3000
        echo "=== 已关闭全部 ==="
        ;;
    check)
        echo "SCRIPT_DIR: $SCRIPT_DIR"
        echo "IS_WIN:     $IS_WIN"
        echo "mvn:        $(which mvn 2>/dev/null || echo 'NOT FOUND')"
        echo "npm:        $(which npm 2>/dev/null || echo 'NOT FOUND')"
        echo "node:       $(which node 2>/dev/null || echo 'NOT FOUND')"
        echo "---"
        echo "pom.xml:    $(ls "$SCRIPT_DIR/our-itam/pom.xml" 2>/dev/null || echo 'NOT FOUND')"
        echo "package.json: $(ls "$SCRIPT_DIR/antdv-next-admin/package.json" 2>/dev/null || echo 'NOT FOUND')"
        ;;
    *)
        echo "用法: bash dev.sh [backend|frontend|kill|check]"
        echo ""
        echo "  backend   启动后端 (端口 9999)"
        echo "  frontend  启动前端 (端口 3000)"
        echo "  kill      关闭所有项目进程"
        echo "  check     检查环境"
        ;;
esac