# =============================================================================
# Stage 1: Dependencies & Build
# =============================================================================
FROM oven/bun:latest AS builder
WORKDIR /app

# Install system dependencies needed for build
RUN apt-get update && apt-get install -y git && rm -rf /var/lib/apt/lists/*

# Install root project dependencies
COPY package.json bun.lock ./
RUN bun install --frozen-lockfile

# Install web project dependencies
COPY web/package.json web/bun.lock ./web/
RUN cd web && bun install --frozen-lockfile

# Copy source code
COPY . .

# Build web assets for production
RUN cd web && bun run build

# =============================================================================
# Stage 2: Production Runtime
# =============================================================================
FROM oven/bun:latest AS production
WORKDIR /app

# Create non-root user for security
RUN groupadd --system appgroup && useradd --system --gid appgroup appuser

# Copy only what's needed for production
COPY --from=builder --chown=appuser:appgroup /app/node_modules ./node_modules
COPY --from=builder --chown=appuser:appgroup /app/web/node_modules ./web/node_modules
COPY --from=builder --chown=appuser:appgroup /app/web/dist ./web/dist
COPY --from=builder --chown=appuser:appgroup /app/web/src ./web/src
COPY --from=builder --chown=appuser:appgroup /app/bot ./bot
COPY --from=builder --chown=appuser:appgroup /app/shared ./shared
COPY --from=builder --chown=appuser:appgroup /app/package.json .
COPY --from=builder --chown=appuser:appgroup /app/drizzle.config.ts .
COPY --from=builder --chown=appuser:appgroup /app/tsconfig.json .

# Switch to non-root user
USER appuser

# Expose web dashboard port
EXPOSE 3000

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=40s --retries=3 \
    CMD bun -e "fetch('http://localhost:3000/api/health').then(r => r.ok ? process.exit(0) : process.exit(1)).catch(() => process.exit(1))"

# Run in production mode
CMD ["bun", "run", "bot/index.ts"]