#!/bin/sh  # 改为sh，兼容busybox

# 手动指定容器内的固定路径（避免动态计算出错）
BASE_DIR="/app"
BACKEND_DIR="$BASE_DIR/backend"
BIN_DIR="$BASE_DIR/bin"
VENV_DIR="$BIN_DIR/.venv"

echo "Checking for Python virtual environment under $BIN_DIR"

if [ ! -f "$VENV_DIR/bin/activate" ]; then
    echo "Virtual environment not found or incomplete. Re-creating..."
    rm -rf "$VENV_DIR"
    python3 -m venv "$VENV_DIR"

    if [ $? -ne 0 ]; then
        echo "Failed to create virtual environment - aborting startup"
        exit 1
    fi
    echo "Virtual environment created successfully!"
else
    echo "Virtual environment already exists. Skipping creation."
fi

echo "Installing required Python packages"
# 兼容sh的source语法
. "$VENV_DIR/bin/activate"
pip install --upgrade pip
# 原有依赖
pip install urllib3==1.26.16
pip install h11==0.16.0 httpx==0.28.1 pillow==11.2.1 pdfplumber==0.11.7 python-docx==1.2.0 numpy==2.3.1
# minio依赖
pip install minio==7.2.0

if [ $? -ne 0 ]; then
    echo "Failed to install Python packages - aborting startup"
    deactivate
    exit 1
fi

echo "Python packages installed successfully!"
deactivate

# ========== 关键修复：跳过不存在的解析器脚本复制（核心！） ==========
# 原因：容器内可能没有backend源码，解析器脚本已通过宿主机挂载到bin目录
echo "⚠️ Skipping parser script copy (already mounted from host)"

# ========== 验证依赖安装 ==========
echo "Verifying installed packages..."
. "$VENV_DIR/bin/activate"
python3 -c "import minio; print('✅ minio library loaded successfully')"
if [ $? -eq 0 ]; then
    echo "✅ All required packages are installed and available"
else
    echo "❌ minio library installation failed"
    deactivate
    exit 1
fi
deactivate