# Use official Azure Functions Python base image
FROM mcr.microsoft.com/azure-functions/python:4-python3.11

# Install LibreOffice + UNO Python bindings and unoconv for fast conversions
RUN apt-get update && \
    apt-get install -y \
    libreoffice \
    libreoffice-writer \
    libreoffice-calc \
    libreoffice-impress \
    python3-uno \
    unoconv \
    fonts-liberation \
    fonts-dejavu \
    fonts-liberation2 \
    fonts-noto \
    fonts-noto-cjk \
    fonts-noto-color-emoji \
    curl \
    && apt-get clean \
    && rm -rf /var/lib/apt/lists/*

# Set LibreOffice to use headless mode by default
ENV SAL_USE_VCLPLUGIN=svp

# Set the working directory
ENV AzureWebJobsScriptRoot=/home/site/wwwroot \
    AzureFunctionsJobHost__Logging__Console__IsEnabled=true \
    FUNCTIONS_WORKER_RUNTIME=python

# Copy requirements first for better layer caching
WORKDIR /home/site/wwwroot
COPY requirements.txt .

# Install Python dependencies
RUN pip install --no-cache-dir --upgrade pip && \
    pip install --no-cache-dir -r requirements.txt

# Copy function app files
COPY . .

# Expose port for standalone server mode
EXPOSE 8080

# Start the application directly (no UNO listener)
CMD ["python", "function_app.py"]