# Use the official Python 3.11 slim image
FROM python:3.11-slim

# Install system dependencies required for Math/Data libraries AND PDF Generation
# Added: libcairo2, libgdk-pixbuf-2.0-0 (CRITICAL for WeasyPrint/PDF generation)
RUN apt-get update && apt-get install -y --no-install-recommends \
    curl \
    gcc \
    g++ \
    libgomp1 \
    libpango-1.0-0 \
    libpangoft2-1.0-0 \
    libcairo2 \
    libgdk-pixbuf-2.0-0 \
    libjpeg62-turbo-dev \
    libopenjp2-7-dev \
    libffi-dev \
    fonts-dejavu \
    fonts-liberation \
    && rm -rf /var/lib/apt/lists/*

# Set the working directory inside the container
# Added: /app/temp_reports
RUN mkdir -p /app/output \
    /app/chat_pdfs \
    /app/temp_reports \
    /app/generated_charts \
    /app/cache

# Create required directories with permissions
# Added: /app/temp_reports
RUN chmod -R 777 /app/output \
    /app/chat_pdfs \
    /app/temp_reports \
    /app/generated_charts \
    /app/cache

# Create log files
RUN touch /app/pandasai.log /app/api_key_rotation.log && \
    chmod 666 /app/pandasai.log /app/api_key_rotation.log

# Set environment variables
ENV MPLCONFIGDIR=/app/cache
ENV PYTHONUNBUFFERED=1

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

# Copy application code
COPY . .

# Ensure permissions
RUN chown -R 1000:1000 /app && chmod -R 777 /app

# Expose port
EXPOSE 7860

# CMD: Run the python script directly.
CMD bash -c "while true; do curl -s https://code-api-executor.hf.space/ping >/dev/null && sleep 300; done & python controller.py"