FROM python:3.13-slim

WORKDIR /app

# Install system dependencies
RUN apt-get update && apt-get install -y \
    curl \
    git \
    libpq-dev \
    libzbar0 \
    gcc \
    g++ \
    python3-dev \
    postgresql-client \
    && rm -rf /var/lib/apt/lists/*

# Build arguments for GitHub release deployment
ARG RELEASE_VERSION=latest
ARG GITHUB_TOKEN
ARG GITHUB_REPO=ct/bmc_hub
ARG GITEA_URL=https://g.bmcnetworks.dk

# Copy requirements first for better caching
COPY requirements.txt /tmp/requirements.txt

# If RELEASE_VERSION is set and not "latest", pull from GitHub release
# Otherwise, use local requirements
RUN if [ "$RELEASE_VERSION" != "latest" ] && [ -n "$GITHUB_TOKEN" ]; then \
        echo "Downloading release ${RELEASE_VERSION} from Gitea..." && \
        curl -H "Authorization: token ${GITHUB_TOKEN}" \
             -L "${GITEA_URL}/api/v1/repos/${GITHUB_REPO}/archive/${RELEASE_VERSION}.tar.gz" \
             -o /tmp/release.tar.gz && \
        tar -xzf /tmp/release.tar.gz --strip-components=1 -C /app && \
        rm /tmp/release.tar.gz && \
        echo "Installing dependencies from release..." && \
        pip install --no-cache-dir -r requirements.txt; \
    else \
        echo "Using local files..." && \
        pip install --no-cache-dir -r /tmp/requirements.txt; \
    fi

# Copy local source to temp location.
# In release builds we keep downloaded source in /app.
# In latest/local builds we copy from /app_local to /app.
COPY . /app_local

RUN if [ "$RELEASE_VERSION" = "latest" ] || [ -z "$GITHUB_TOKEN" ]; then \
        echo "Using local source files..." && \
        cp -a /app_local/. /app/; \
    else \
        echo "Keeping downloaded release source in /app (no local override)"; \
    fi && \
    rm -rf /app_local

# Create necessary directories
RUN mkdir -p /app/logs /app/uploads /app/static /app/data

# Expose port
EXPOSE 8000

# Health check
HEALTHCHECK --interval=30s --timeout=10s --retries=3 --start-period=40s \
    CMD curl -f http://localhost:8000/health || exit 1

# Run application
CMD ["python", "main.py"]
