#!/bin/bash
# 服务验证脚本 - 检查服务是否正确设置和运行

echo "🔍 文件传输服务验证脚本"
echo "=" "=" "=" "=" "=" "=" "=" "=" "=" "=" "=" "=" "=" "=" "=" "=" "=" "=" "=" "=" "=" "=" "=" "=" "="

# 检查当前目录
if [ ! -f "app.py" ]; then
    echo "❌ 请在fileshare目录中运行此脚本"
    echo "💡 cd fileshare && ./verify_setup.sh"
    exit 1
fi

echo "📂 检查文件结构..."

# 检查必需文件
files=("app.py" "cli.py" "requirements.txt" "static/index.html" "static/style.css" "static/app.js")
missing_files=()

for file in "${files[@]}"; do
    if [ -f "$file" ]; then
        echo "✅ $file"
    else
        echo "❌ 缺少文件: $file"
        missing_files+=("$file")
    fi
done

if [ ${#missing_files[@]} -ne 0 ]; then
    echo
    echo "⚠️  发现 ${#missing_files[@]} 个缺失文件，请先运行: python fix_paths.py"
    exit 1
fi

echo
echo "🔧 检查Python依赖..."

# 检查Python是否安装
if ! command -v python &> /dev/null && ! command -v python3 &> /dev/null; then
    echo "❌ Python 未安装"
    exit 1
else
    echo "✅ Python 已安装"
fi

# 检查pip是否安装
if ! command -v pip &> /dev/null && ! command -v pip3 &> /dev/null; then
    echo "❌ pip 未安装"
    exit 1
else
    echo "✅ pip 已安装"
fi

# 检查虚拟环境（可选）
if [ -n "$VIRTUAL_ENV" ]; then
    echo "✅ 当前在虚拟环境中: $(basename $VIRTUAL_ENV)"
else
    echo "ℹ️  未使用虚拟环境（可选）"
fi

echo
echo "📦 检查依赖包..."

# 检查主要依赖
python_cmd="python"
if command -v python3 &> /dev/null; then
    python_cmd="python3"
fi

required_packages=("fastapi" "uvicorn" "httpx" "click" "rich")
missing_packages=()

for package in "${required_packages[@]}"; do
    if $python_cmd -c "import $package" 2>/dev/null; then
        echo "✅ $package"
    else
        echo "❌ 缺少包: $package"
        missing_packages+=("$package")
    fi
done

if [ ${#missing_packages[@]} -ne 0 ]; then
    echo
    echo "⚠️  发现 ${#missing_packages[@]} 个缺失依赖包，请运行:"
    echo "   pip install -r requirements.txt"
    echo
fi

echo
echo "🚀 启动测试..."

# 检查端口是否被占用
if command -v lsof &> /dev/null; then
    if lsof -i :8000 > /dev/null 2>&1; then
        echo "⚠️  端口 8000 已被占用"
        echo "ℹ️  当前占用进程:"
        lsof -i :8000
        echo
        echo "💡 可以使用其他端口: PORT=8001 python app.py"
    else
        echo "✅ 端口 8000 可用"
    fi
fi

# 提供启动建议
echo
echo "=" "=" "=" "=" "=" "=" "=" "=" "=" "=" "=" "=" "=" "=" "=" "=" "=" "=" "=" "=" "=" "=" "=" "=" "="
echo "🎉 验证完成！"
echo

if [ ${#missing_files[@]} -eq 0 ] && [ ${#missing_packages[@]} -eq 0 ]; then
    echo "✅ 所有检查都通过，可以启动服务了！"
    echo
    echo "🚀 推荐启动方式："
    echo "   1. 直接启动: python app.py"
    echo "   2. 开发模式: uvicorn app:app --reload"
    echo "   3. Docker启动: ./start.sh"
    echo
    echo "🌐 启动后访问: http://localhost:8000"
    echo
    echo "🧪 启动后可运行测试: python test_server.py"
else
    echo "⚠️  请先解决上述问题，然后重新运行此脚本"
fi