# Multi-stage build for optimized production image
FROM node:20-alpine AS build

# Set working directory
WORKDIR /app

# Copy package files
COPY package*.json ./

# Install all dependencies (including dev dependencies needed for build)
RUN npm ci && npm cache clean --force

# Copy source code (excluding .env to avoid conflicts)
COPY package*.json ./
COPY tsconfig.json ./
COPY drizzle.config.ts ./
COPY vite.config.ts ./
COPY tailwind.config.ts ./
COPY postcss.config.js ./
COPY components.json ./
COPY client/ client/
COPY server/ server/
COPY shared/ shared/

# Vérifier la structure
RUN ls -la server/

# Build the application
# Build frontend first
RUN npx vite build

# Vérifier que les fichiers sont construits
RUN echo "=== BUILD VERIFICATION ===" && \
    ls -la dist/ && \
    echo "Frontend files in dist/public:" && \
    ls -la dist/public/ && \
    echo "index.html exists:" && \
    ls -la dist/public/index.html

# Build backend avec tous les modules externes
RUN npx esbuild server/index.production.ts \
    --platform=node \
    --bundle \
    --format=esm \
    --outfile=dist/index.js \
    --external:vite \
    --external:@vitejs/* \
    --external:@replit/* \
    --external:tsx \
    --external:openid-client \
    --external:@neondatabase/serverless \
    --external:ws \
    --external:drizzle-orm \
    --external:pg \
    --external:express \
    --external:connect-pg-simple \
    --external:passport \
    --external:passport-local \
    --external:express-session \
    --external:zod \
    --external:express-rate-limit \
    --external:memoizee \
    --external:nanoid \
    --external:date-fns

# Production stage
FROM node:20-alpine AS production

# Create non-root user for security
RUN addgroup -g 1001 -S nodejs && \
    adduser -S nextjs -u 1001

# Set working directory
WORKDIR /app

# Install production dependencies only
COPY --from=build /app/package*.json ./
RUN npm ci --only=production && npm cache clean --force

# Copy built application from build stage
COPY --from=build --chown=nextjs:nodejs /app/dist ./dist
COPY --from=build --chown=nextjs:nodejs /app/shared ./shared

# Copy migration scripts and files
COPY --chown=nextjs:nodejs scripts/ ./scripts/
COPY --chown=nextjs:nodejs migrations/ ./migrations/
COPY --chown=nextjs:nodejs scripts/docker-entrypoint.sh ./scripts/docker-entrypoint.sh

# Create symlink for public files to be accessible from dist
RUN ln -sf /app/dist/public /app/dist/public

# Create uploads and backups directories with proper permissions
RUN mkdir -p /app/uploads /app/backups && chown -R nextjs:nodejs /app/uploads /app/backups

# Switch to non-root user
USER nextjs

# Expose port
EXPOSE 3000
ENV PORT=3000

# Install wget for health check and postgresql-client for pg_dump
USER root
RUN apk add --no-cache wget postgresql-client
USER nextjs

# Health check
HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
    CMD wget --no-verbose --tries=1 --spider http://localhost:3000/api/health || exit 1

# Make scripts executable
RUN chmod +x /app/scripts/auto-migrate-production.sh && \
    chmod +x /app/scripts/docker-entrypoint.sh && \
    ls -la /app/scripts/ && \
    test -f /app/scripts/docker-entrypoint.sh || echo "ERREUR: docker-entrypoint.sh manquant"

# Apply DLC migration directly and start application
CMD ["sh", "-c", "echo 'Applying DLC migration...'; if [ -n \"$DATABASE_URL\" ]; then psql \"$DATABASE_URL\" -c 'ALTER TABLE dlc_products ADD COLUMN IF NOT EXISTS stock_epuise boolean DEFAULT false NOT NULL, ADD COLUMN IF NOT EXISTS stock_epuise_by varchar(255), ADD COLUMN IF NOT EXISTS stock_epuise_at timestamp; CREATE INDEX IF NOT EXISTS idx_dlc_products_stock_epuise ON dlc_products(stock_epuise);' || echo 'Migration already applied or failed'; fi; node dist/index.js"]