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

# Set environment variables
ENV VENV_PATH="/venv"
ENV PATH="$VENV_PATH/bin:$PATH"

# Install system dependencies
RUN apt-get update && \
    apt-get install -y --no-install-recommends \
        ffmpeg \
        espeak-ng \
        wget \
        python3-venv && \
    apt-get clean && \
    rm -rf /var/lib/apt/lists/*

# Create and activate virtual environment, then install audiblez
RUN python -m venv $VENV_PATH && \
    $VENV_PATH/bin/pip install --no-cache-dir --upgrade pip && \
    $VENV_PATH/bin/pip install --no-cache-dir audiblez

# Download Kokoro model and voices
RUN mkdir -p /root/.local/share/audiblez/ && \
    wget https://github.com/thewh1teagle/kokoro-onnx/releases/download/model-files/kokoro-v0_19.onnx -P /root/.local/share/audiblez/ && \
    wget https://github.com/thewh1teagle/kokoro-onnx/releases/download/model-files/voices.json -P /root/.local/share/audiblez/

# Set the working directory to /ebooks
WORKDIR /ebooks

# Create the /m4b directory
RUN mkdir -p /m4b

# Copy all .m4b output to /m4b after conversion using audiblez from venv
CMD for book in *.epub; do $VENV_PATH/bin/audiblez "$book" -v af_aoede; done && cp *.m4b /m4b/