#!/bin/bash
# Ubuntu 环境快速设置脚本

set -e  # 遇到错误立即退出

# 确保使用 bash 运行（兼容性问题处理）
if [ -z "$BASH_VERSION" ]; then
    echo "警告: 此脚本需要使用 bash 运行"
    echo "请使用: bash $0"
    exit 1
fi

echo "=========================================="
echo "京东物流提取工具 - Ubuntu 环境设置"
echo "=========================================="
echo ""

# 1. 检查并安装系统依赖
echo "步骤 1: 检查系统依赖..."
if ! command -v python3 >/dev/null 2>&1; then
    echo "安装 Python3..."
    sudo apt update
    sudo apt install -y python3 python3-pip python3-venv
else
    echo "✅ Python3 已安装"
fi

# 检查 Chrome/Chromium
CHROME_PATH=""
if command -v google-chrome >/dev/null 2>&1; then
    CHROME_PATH=$(which google-chrome)
    echo "✅ 找到 Google Chrome: $CHROME_PATH"
elif [ -f "/usr/bin/google-chrome" ]; then
    CHROME_PATH="/usr/bin/google-chrome"
    echo "✅ 找到 Google Chrome: $CHROME_PATH"
elif command -v chromium-browser >/dev/null 2>&1; then
    CHROME_PATH=$(which chromium-browser)
    echo "✅ 找到 Chromium: $CHROME_PATH"
elif [ -f "/usr/bin/chromium-browser" ]; then
    CHROME_PATH="/usr/bin/chromium-browser"
    echo "✅ 找到 Chromium: $CHROME_PATH"
else
    echo "⚠️  未找到 Chrome/Chromium，将尝试安装..."
    echo "选择要安装的浏览器:"
    echo "1) Google Chrome (推荐)"
    echo "2) Chromium (开源版本)"
    read -p "请选择 [1-2]: " choice
    
    if [ "$choice" = "1" ]; then
        echo "正在安装 Google Chrome..."
        wget -q https://dl.google.com/linux/direct/google-chrome-stable_current_amd64.deb
        sudo apt install -y ./google-chrome-stable_current_amd64.deb
        rm -f google-chrome-stable_current_amd64.deb
        CHROME_PATH="/usr/bin/google-chrome"
    elif [ "$choice" = "2" ]; then
        echo "正在安装 Chromium..."
        sudo apt update
        sudo apt install -y chromium-browser
        CHROME_PATH="/usr/bin/chromium-browser"
    fi
fi

# 2. 安装 Chrome 运行时依赖
echo ""
echo "步骤 2: 检查 Chrome 运行时依赖..."
DEPS="libnss3 libatk-bridge2.0-0 libdrm2 libxkbcommon0 libxcomposite1 libxdamage1 libxfixes3 libxrandr2 libgbm1 libasound2"
MISSING_DEPS=""

for dep in $DEPS; do
    if ! dpkg -l 2>/dev/null | grep -q "^ii.*$dep"; then
        if [ -z "$MISSING_DEPS" ]; then
            MISSING_DEPS="$dep"
        else
            MISSING_DEPS="$MISSING_DEPS $dep"
        fi
    fi
done

if [ -n "$MISSING_DEPS" ]; then
    echo "安装缺失的依赖: $MISSING_DEPS"
    sudo apt install -y $MISSING_DEPS
else
    echo "✅ 所有依赖已安装"
fi

# 3. 创建虚拟环境
echo ""
echo "步骤 3: 设置 Python 虚拟环境..."
if [ ! -d "venv" ]; then
    echo "创建虚拟环境..."
    python3 -m venv venv
    echo "✅ 虚拟环境创建成功"
else
    echo "✅ 虚拟环境已存在"
    # 检查虚拟环境是否正常
    if [ ! -f "venv/bin/pip" ]; then
        echo "⚠️  虚拟环境可能已损坏，正在重新创建..."
        rm -rf venv
        python3 -m venv venv
        echo "✅ 虚拟环境重新创建成功"
    fi
fi

# 4. 激活虚拟环境并安装 Python 包
echo ""
echo "步骤 4: 安装 Python 依赖包..."

# 检查并修复 activate 脚本的行尾符问题
if [ -f "venv/bin/activate" ]; then
    # 修复可能的行尾符问题
    sed -i 's/\r$//' venv/bin/activate 2>/dev/null || true
fi

# 激活虚拟环境
source venv/bin/activate

# 验证虚拟环境是否正常激活
if [ -z "$VIRTUAL_ENV" ]; then
    echo "❌ 错误: 虚拟环境激活失败，尝试重新创建..."
    deactivate 2>/dev/null || true
    rm -rf venv
    python3 -m venv venv
    source venv/bin/activate
fi

# 升级 pip（使用 python3 -m pip 避免行尾符问题）
echo "升级 pip..."
python3 -m pip install --upgrade pip

# 安装依赖
echo "安装 DrissionPage..."
python3 -m pip install DrissionPage

# 可选：如果需要数据库功能
read -p "是否需要数据库功能？(sqlalchemy, pymysql) [y/N]: " need_db
if [ "$need_db" = "y" ] || [ "$need_db" = "Y" ]; then
    echo "安装数据库相关包..."
    python3 -m pip install sqlalchemy pymysql
fi

deactivate

# 5. 创建运行脚本
echo ""
echo "步骤 5: 创建便捷运行脚本..."
cat > run_logistics.sh << 'EOF'
#!/bin/bash
# 激活虚拟环境并运行物流提取脚本

# 获取脚本所在目录
SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
cd "$SCRIPT_DIR"

# 检查虚拟环境是否存在
if [ ! -d "venv" ]; then
    echo "❌ 错误: 虚拟环境不存在，请先运行 setup_ubuntu.sh"
    exit 1
fi

# 修复可能的行尾符问题
if [ -f "venv/bin/activate" ]; then
    sed -i 's/\r$//' venv/bin/activate 2>/dev/null || true
fi

# 激活虚拟环境
source venv/bin/activate

# 验证虚拟环境是否激活成功
if [ -z "$VIRTUAL_ENV" ]; then
    echo "❌ 错误: 虚拟环境激活失败"
    exit 1
fi

# 使用虚拟环境中的 Python3
PYTHON_CMD="$VIRTUAL_ENV/bin/python3"
if [ ! -f "$PYTHON_CMD" ]; then
    PYTHON_CMD="python3"
fi

# 检查脚本文件是否存在
SCRIPT_FILE="jd/fetch_logistics_ubuntu.py"
if [ ! -f "$SCRIPT_FILE" ]; then
    echo "❌ 错误: 找不到脚本文件 $SCRIPT_FILE"
    echo "当前目录: $(pwd)"
    echo "请确保脚本文件存在"
    deactivate
    exit 1
fi

# 运行脚本
echo "使用 Python: $PYTHON_CMD"
echo "运行脚本: $SCRIPT_FILE"
echo "参数: $@"
echo ""

$PYTHON_CMD "$SCRIPT_FILE" "$@"

# 保存退出码
EXIT_CODE=$?

# 退出虚拟环境
deactivate

# 返回脚本的退出码
exit $EXIT_CODE
EOF

chmod +x run_logistics.sh

# 6. 完成
echo ""
echo "=========================================="
echo "✅ 环境设置完成！"
echo "=========================================="
echo ""
echo "快速开始:"
echo "  方式1: 使用便捷脚本"
echo "    ./run_logistics.sh"
echo ""
echo "  方式2: 手动运行"
echo "    source venv/bin/activate"
echo "    python jd/fetch_logistics_ubuntu.py"
echo "    deactivate"
echo ""
echo "浏览器路径: $CHROME_PATH"
echo "虚拟环境: $(pwd)/venv"
echo ""