FROM ghcr.io/astral-sh/uv:python3.13-bookworm-slim

# PipeWire client tools — pw-play connects to the host's PipeWire socket
# pulseaudio-utils provides pactl for media ducking (volume control via PulseAudio compat)
# ffmpeg handles WAV→{mp3,ogg,flac,m4a} conversion for generate_audio's format param
RUN apt-get update && apt-get install -y --no-install-recommends \
    pipewire-bin \
    pulseaudio-utils \
    ffmpeg \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /app

ENV UV_COMPILE_BYTECODE=1

# Create venv
RUN uv venv

# Install CPU-only torch first (saves ~3GB vs CUDA — SNAC runs on CPU anyway)
RUN --mount=type=cache,target=/root/.cache/uv \
    uv pip install torch --index-url https://download.pytorch.org/whl/cpu

# Install project dependencies (torch already satisfied, won't redownload)
COPY pyproject.toml ./
RUN --mount=type=cache,target=/root/.cache/uv \
    uv pip install --no-deps -r pyproject.toml 2>/dev/null || true

# Copy source and install project
COPY src/ src/
RUN --mount=type=cache,target=/root/.cache/uv \
    uv pip install .

# Non-root user matching host uid for PipeWire socket access
RUN useradd -u 1000 -m tts \
    && mkdir -p /home/tts/.cache/huggingface /data \
    && chown -R tts:tts /home/tts/.cache /data
USER tts

ENV PATH="/app/.venv/bin:$PATH"
EXPOSE 8371

HEALTHCHECK --interval=30s --timeout=5s --start-period=15s \
    CMD python -c "import socket; s=socket.create_connection(('127.0.0.1',8371),2); s.close()" || exit 1

CMD ["mcspeak"]