# Build stage
FROM node:20-slim AS builder

WORKDIR /app

# Copy package files
COPY package*.json ./

# Install dependencies
RUN npm ci

# Copy source
COPY tsconfig.json ./
COPY src ./src

# Build
RUN npm run build

# Production stage - must match playwright version in package.json
FROM mcr.microsoft.com/playwright:v1.50.0-jammy

WORKDIR /app

# Xvfb for headful browser mode (Teams blocks headless browsers).
RUN apt-get update && apt-get install -y xvfb && rm -rf /var/lib/apt/lists/*

# Copy built files and dependencies
COPY --from=builder /app/dist ./dist
COPY --from=builder /app/node_modules ./node_modules
COPY package*.json ./
COPY .env ./

# Real Google Chrome (stable channel) + its OS deps. Required for anonymous
# Teams joins: the bundled Playwright Chromium gets detected as automation
# by Teams' light-meetings flow and forced into a lobby + the buggy
# preheated-PC code path. Real Chrome bypasses both. Configured via
# BOT_BROWSER_CHANNEL=chrome (passed to chromium.launch({ channel })).
# See wiki/b-reference/teams-bot/architecture.md → "Browser-Channel".
RUN npx playwright install --with-deps chrome

# Create output directories
RUN mkdir -p output/logs output/screenshots

# Set environment
ENV NODE_ENV=production
ENV BOT_HEADLESS=false
ENV DISPLAY=:99
ENV BOT_BROWSER_CHANNEL=chrome

# Expose port
EXPOSE 4100

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
  CMD curl -f http://localhost:4100/health || exit 1

# Start Xvfb in background, then run the bot
CMD Xvfb :99 -screen 0 1280x720x24 -nolisten tcp & node dist/index.js