#!/bin/bash

echo "=================================="
echo "  项目启动诊断工具"
echo "=================================="
echo ""

# 检查 Node.js
echo "1. 检查 Node.js 环境..."
if command -v node &> /dev/null; then
    NODE_VERSION=$(node -v)
    echo "   ✓ Node.js 已安装: $NODE_VERSION"
else
    echo "   ✗ Node.js 未安装"
    echo "   请从 https://nodejs.org/ 下载安装"
    exit 1
fi

# 检查 npm
echo ""
echo "2. 检查 npm..."
if command -v npm &> /dev/null; then
    NPM_VERSION=$(npm -v)
    echo "   ✓ npm 已安装: v$NPM_VERSION"
else
    echo "   ✗ npm 未安装"
    exit 1
fi

# 检查 node_modules
echo ""
echo "3. 检查依赖安装..."
if [ -d "node_modules" ]; then
    echo "   ✓ node_modules 目录存在"

    # 检查关键依赖
    if [ -d "node_modules/@dcloudio" ]; then
        echo "   ✓ uni-app 依赖已安装"
    else
        echo "   ✗ uni-app 依赖缺失，正在安装..."
        npm install
    fi
else
    echo "   ✗ node_modules 目录不存在"
    echo "   正在安装依赖..."
    npm install
fi

# 检查关键文件
echo ""
echo "4. 检查项目文件..."

FILES=(
    "index.html"
    "src/main.ts"
    "src/App.vue"
    "src/pages.json"
    "src/manifest.json"
    "vite.config.ts"
    "package.json"
)

for file in "${FILES[@]}"; do
    if [ -f "$file" ]; then
        echo "   ✓ $file"
    else
        echo "   ✗ $file 缺失"
    fi
done

# 检查 Mock 数据
echo ""
echo "5. 检查 Mock 数据..."
if [ -f "src/mock/index.ts" ]; then
    echo "   ✓ Mock 数据文件存在"
else
    echo "   ✗ Mock 数据文件缺失"
fi

# 检查 types
echo ""
echo "6. 检查类型定义..."
if [ -d "src/types" ]; then
    echo "   ✓ types 目录存在"
    TYPE_FILES=$(ls src/types/*.ts 2>/dev/null | wc -l)
    echo "   ✓ 找到 $TYPE_FILES 个类型定义文件"
else
    echo "   ✗ types 目录不存在"
fi

# 检查端口占用
echo ""
echo "7. 检查端口占用..."
if command -v lsof &> /dev/null; then
    PORT_5173=$(lsof -i :5173 2>/dev/null | grep LISTEN)
    if [ -n "$PORT_5173" ]; then
        echo "   ⚠ 端口 5173 已被占用"
        echo "   $PORT_5173"
    else
        echo "   ✓ 端口 5173 可用"
    fi
fi

echo ""
echo "=================================="
echo "  诊断完成！"
echo "=================================="
echo ""
echo "现在可以运行项目："
echo ""
echo "  微信小程序: npm run dev:mp-weixin"
echo "  H5 浏览器:  npm run dev:h5"
echo ""
echo "推荐先用 H5 模式快速预览："
echo "  npm run dev:h5"
echo ""