# ------------------------------------------------------------------------------
# DCI-Agent Search – Hugging Face Spaces Docker
# Prestige Purple themed Gradio app for autonomous document search
# ------------------------------------------------------------------------------

FROM python:3.11-slim

# Prevent Python from writing pyc files and buffering stdout
ENV PYTHONDONTWRITEBYTECODE=1
ENV PYTHONUNBUFFERED=1
ENV PORT=7860

# ------------------------------------------------------------------------------
# System dependencies
# ------------------------------------------------------------------------------
RUN apt-get update && apt-get install -y --no-install-recommends \
    curl \
    ca-certificates \
    git \
    gnupg \
    build-essential \
    ripgrep \
    unzip \
    && rm -rf /var/lib/apt/lists/*

# ------------------------------------------------------------------------------
# Install Node.js 20+ (required for native pi-mono)
# ------------------------------------------------------------------------------
RUN curl -fsSL https://deb.nodesource.com/setup_20.x | bash - \
    && apt-get install -y nodejs \
    && rm -rf /var/lib/apt/lists/*

RUN node --version && npm --version

# ------------------------------------------------------------------------------
# Required: clone and build pi-mono
# If this fails, the image build should fail so HF uses the native PI path.
# ------------------------------------------------------------------------------
RUN git clone --depth 1 --branch codex/context-management-ablation \
    https://github.com/jdf-prog/pi-mono.git /app/pi-mono

RUN cd /app/pi-mono && npm install

RUN cd /app/pi-mono && npm run build

RUN test -f /app/pi-mono/packages/coding-agent/dist/cli.js

# ------------------------------------------------------------------------------
# Python dependencies
# ------------------------------------------------------------------------------
WORKDIR /app
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# ------------------------------------------------------------------------------
# Copy app code
# ------------------------------------------------------------------------------
COPY . /app

# Ensure default corpus is present
RUN ls -la /app/default_corpus/ || echo "WARNING: default_corpus not found"

# ------------------------------------------------------------------------------
# Expose and run
# ------------------------------------------------------------------------------
EXPOSE 7860

CMD ["python", "app.py"]