FROM python:3.10-slim

WORKDIR /app

# Install system dependencies
RUN apt-get update && apt-get install -y --no-install-recommends \

    sqlite3 \
    ca-certificates \
    libgomp1 \
    && rm -rf /var/lib/apt/lists/*

# Copy requirements and install Python packages
COPY requirements.txt .
RUN pip install --no-cache-dir --upgrade pip && \
    pip install --no-cache-dir -r requirements.txt

# Upgrade Gemini SDK for v1 API
RUN pip install --no-cache-dir --upgrade google-generativeai google-ai-generativelanguage

# Copy application code
COPY . .

# Create necessary directories
RUN mkdir -p /app/data/logs /app/data/docs && chmod -R 777 /app/data

# Create __init__.py files (INCLUDING AGENT DIRECTORY)
RUN touch backend/__init__.py \
    && touch backend/feature_builder/__init__.py \
    && touch backend/app/__init__.py \
    && touch backend/app/api/__init__.py \
    && touch backend/app/agent/__init__.py \
    && touch backend/app/wrappers/__init__.py \
    && touch backend/ingest/__init__.py

# Verify agent files exist (will fail build if missing)
RUN test -f backend/app/agent/agent_orchestrator.py || \
    (echo "ERROR: agent_orchestrator.py not found! Add it before building." && exit 1)

# Initialize database if it doesn't exist
RUN if [ ! -f /app/data/invoices.db ]; then \
        sqlite3 /app/data/invoices.db < backend/database/init_schema_sqlite.sql; \
    fi

# Expose port
EXPOSE 7860

CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860", "--timeout-keep-alive", "75"]