FROM python:3.11-slim

# Set working directory
WORKDIR /app

# Install system dependencies and ODBC drivers
RUN apt-get update && apt-get install -y \
    curl \
    apt-transport-https \
    gnupg2 \
    unixodbc-dev \
    unixodbc \
    && curl -sSL https://packages.microsoft.com/keys/microsoft.asc | gpg --dearmor -o /usr/share/keyrings/microsoft-prod.gpg \
    && echo "deb [arch=amd64,arm64,armhf signed-by=/usr/share/keyrings/microsoft-prod.gpg] https://packages.microsoft.com/debian/12/prod bookworm main" > /etc/apt/sources.list.d/mssql-release.list \
    && apt-get update \
    && ACCEPT_EULA=Y apt-get install -y msodbcsql17 mssql-tools \
    && rm -rf /var/lib/apt/lists/*

# Add SQL Server tools to PATH
ENV PATH="$PATH:/opt/mssql-tools/bin"

# Copy requirements and install Python dependencies
COPY requirements-etl.txt .
RUN pip install --no-cache-dir -r requirements-etl.txt

# Copy ETL code
COPY etl/ ./etl/

# Copy make configuration for filtering
COPY makes.json /app/makes.json

# Create logs and data directories
RUN mkdir -p /app/logs /app/data

# Set Python path
ENV PYTHONPATH=/app

# Expose port for health check
EXPOSE 8001

# Health check
HEALTHCHECK --interval=60s --timeout=10s --start-period=60s --retries=3 \
    CMD python -c "import sys; import os; sys.path.append('/app'); from etl.connections import test_connections; exit(0 if test_connections() else 1)" || exit 1

# Run ETL scheduler
CMD ["python", "-m", "etl.main"]