# Rentgen Browser Extension - Docker Build
# See README.md for detailed usage instructions

# Build stage
FROM node:lts AS builder

WORKDIR /app

# Copy package files for dependency installation (better layer caching)
COPY package.json package-lock.json ./

# Install dependencies
RUN npm install

# FIXME: COPY . . invalidates cache, so we need to optionally install Firefox
# and jump back to the correct stage. It might be too complex though, so we
# either need to use build args (if cache properly) or heavily document the
# stage transitions, maybe even with a graph.

# Copy source code (respecting .dockerignore)
COPY . .

# Build the extension for Firefox (default)
RUN npm run build

# Create the package
RUN npm run create-package

# Code quality stage - for running quality checks
FROM builder AS code_quality
RUN npm run typecheck && npm run lint

# Artifacts stage - only contains the built artifacts (for --output)
FROM scratch AS artifacts

# Copy only the built extension zip file to root
COPY --from=builder /app/web-ext-artifacts/*.zip /

# Default stage - full development environment
FROM builder

# Default command shows the built artifact
CMD ["ls", "-lh", "/app/web-ext-artifacts/"]

# Runtime stage - for running extension in Firefox
FROM node:lts AS runtime

WORKDIR /app

# Copy built artifacts from builder
COPY --from=builder /app/web-ext-artifacts /app/web-ext-artifacts
COPY --from=builder /app/package.json /app/package-lock.json ./
COPY --from=builder /app/node_modules ./node_modules

# Install Firefox and Xvfb for headless execution (cached layer)
RUN apt-get update && apt-get install -y \
    firefox-esr \
    xvfb \
    procps \
    && rm -rf /var/lib/apt/lists/*

# Install Python and pip in a separate layer for better caching
RUN apt-get update && apt-get install -y \
    python3-pip \
    wget \
    && rm -rf /var/lib/apt/lists/*

# Install geckodriver for WebDriver protocol
RUN wget -q https://github.com/mozilla/geckodriver/releases/download/v0.34.0/geckodriver-v0.34.0-linux64.tar.gz \
    && tar -xzf geckodriver-v0.34.0-linux64.tar.gz \
    && mv geckodriver /usr/local/bin/ \
    && rm geckodriver-v0.34.0-linux64.tar.gz \
    && chmod +x /usr/local/bin/geckodriver

# Install Python dependencies for testing
RUN pip3 install --break-system-packages marionette_driver

# Set display for Xvfb
ENV DISPLAY=:99

# Start script (not used in verify stage)
CMD ["echo", "Use verify stage for testing"]

# Integration test stage - automated testing with exit code
FROM runtime AS integration_test

# Copy verification script
COPY tests/test_verify.py /app/test_verify.py
RUN chmod +x /app/test_verify.py

# Run verification and exit with proper exit code
CMD ["python3", "/app/test_verify.py"]