FROM rocm/dev-ubuntu-22.04:latest

ENV DEBIAN_FRONTEND=noninteractive \
    PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1 \
    HF_HOME=/app/hf_cache \
    PIP_NO_CACHE_DIR=1

RUN apt-get update && apt-get install -y --no-install-recommends \
    python3 \
    python3-pip \
    python3-dev \
    git \
    ffmpeg \
    libsndfile1 \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /app

COPY perth_stub.py .

# Step 1: Install ROCm-compatible PyTorch stack first.
# This must happen before anything else to prevent pip from pulling CPU wheels.
COPY requirements-rocm-init.txt .
RUN pip3 install -r requirements-rocm-init.txt

# Step 2: Install remaining dependencies (pinned to avoid overwriting torch).
COPY requirements-rocm.txt .
RUN pip3 install -r requirements-rocm.txt

# Step 3: Install chatterbox with --no-deps so pip cannot replace ROCm torch.
RUN pip3 install --no-deps chatterbox-tts

# Stub out resemble-perth (audio watermarking, unnecessary for self-hosted use).
# Install as 'perth' module to satisfy chatterbox's import.
RUN python3 -c "import site; print(site.getsitepackages()[0])" | \
    xargs -I{} cp /app/perth_stub.py {}/perth.py

# Application source
COPY engine.py config.py wyoming_handler.py wyoming_voices.py main.py ./

# Default config (can be overridden by volume mount)
COPY config.yaml .

# Create default directories
RUN mkdir -p voices reference_audio hf_cache

EXPOSE 10200

CMD ["python3", "main.py"]