FROM python:3.11-slim

WORKDIR /app

# Install system deps
RUN apt-get update && apt-get install -y \
    wget curl tar python3-venv \
    && rm -rf /var/lib/apt/lists/*

# Copy frontend static files
COPY index.html app.js services.css about.html contact.html ./ 
# Copy backend
COPY deepshell-backend/ ./deepshell-backend/

# Install DeepShell Python deps
RUN pip install --no-cache-dir -r deepshell-backend/requirements.txt && \
    pip install --no-cache-dir httpx && \
    pip install --no-cache-dir -e deepshell-backend/

# Install LibreTranslate in separate venv
RUN python3 -m venv /opt/venvs/libretranslate && \
    /opt/venvs/libretranslate/bin/pip install --no-cache-dir libretranslate==1.9.5

# Pre-download LibreTranslate language models
RUN /opt/venvs/libretranslate/bin/libretranslate --load-only en,hi --update-files || true

# Download Piper binary
RUN wget -q https://github.com/rhasspy/piper/releases/download/2023.11.14-2/piper_linux_x86_64.tar.gz \
    && tar -xzf piper_linux_x86_64.tar.gz \
    && rm piper_linux_x86_64.tar.gz \
    && mv piper /opt/piper

# Download Hindi voice model
RUN mkdir -p /opt/piper/voices && \
    wget -q https://huggingface.co/rhasspy/piper-voices/resolve/main/hi/hi_IN/rohan/medium/hi_IN-rohan-medium.onnx \
        -O /opt/piper/voices/hi_IN-rohan-medium.onnx && \
    wget -q https://huggingface.co/rhasspy/piper-voices/resolve/main/hi/hi_IN/rohan/medium/hi_IN-rohan-medium.onnx.json \
        -O /opt/piper/voices/hi_IN-rohan-medium.onnx.json

# Copy startup script
COPY start_hf.sh /app/start_hf.sh

# Env defaults
ENV PORT=7860
ENV PROVIDER=groq
ENV PIPER_BINARY=/opt/piper/piper
ENV PIPER_VOICE_DIR=/opt/piper/voices
ENV LIBRETRANSLATE_URL=http://localhost:5000/translate

EXPOSE 7860

CMD ["/app/start_hf.sh"]