# Stage 1: Build
FROM node:20-slim AS builder

WORKDIR /app

# Copy package files first for better caching
COPY package*.json ./

# Install all dependencies (including devDependencies for build)
RUN npm ci

# Copy source files
COPY . .

# Stage 2: Production
FROM node:20-slim AS production

# Install Chromium and required dependencies
RUN apt-get update && apt-get install -y \
    wget \
    gnupg \
    ca-certificates \
    apt-transport-https \
    chromium \
    fonts-liberation \
    libasound2 \
    libatk-bridge2.0-0 \
    libatk1.0-0 \
    libcups2 \
    libdbus-1-3 \
    libdrm2 \
    libgbm1 \
    libgtk-3-0 \
    libnspr4 \
    libnss3 \
    libxcomposite1 \
    libxdamage1 \
    libxfixes3 \
    libxkbcommon0 \
    libxrandr2 \
    xdg-utils \
    xvfb \
    && rm -rf /var/lib/apt/lists/* \
    && apt-get clean

# Set Chrome binary path
ENV CHROME_BIN=/usr/bin/chromium

# Create non-root user for security
RUN groupadd -r pptruser && useradd -r -g pptruser -G audio,video pptruser \
    && mkdir -p /home/pptruser/Downloads \
    && chown -R pptruser:pptruser /home/pptruser

WORKDIR /app

# Copy from builder stage
COPY --from=builder /app/node_modules ./node_modules
COPY --from=builder /app/package*.json ./
COPY --from=builder /app/lib ./lib
COPY --from=builder /app/test ./test
COPY --from=builder /app/packages ./packages
COPY --from=builder /app/typings.d.ts ./

# Set ownership to non-root user
RUN chown -R pptruser:pptruser /app

# Switch to non-root user
USER pptruser

# Set headless mode for container
ENV HEADLESS=true
ENV NODE_ENV=production

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
    CMD node -e "console.log('OK')" || exit 1

# Default command: run CJS tests
CMD ["npm", "run", "cjs_test"]