# Multi-stage build for production
FROM node:23-alpine AS base

# Install dependencies only when needed
FROM base AS deps
WORKDIR /app
COPY package*.json ./
RUN npm ci --only=production && npm cache clean --force

# Development stage
FROM base AS development
WORKDIR /app
COPY package*.json ./
RUN npm ci
COPY . .
CMD ["npm", "run", "dev"]

# Build stage
FROM base AS build
WORKDIR /app

# Copy package files
COPY package*.json ./

# Install all dependencies (including devDependencies)
RUN npm ci

# Copy source code
COPY . .

# Set environment variables for build
ENV NODE_ENV=production

# Build the application
RUN npm run build-only

# Production stage
FROM node:slim AS production

# Install serve globally
RUN npm install -g serve

# Set working directory
WORKDIR /app

# Copy built assets from build stage
COPY --from=build /app/dist .

# Create a default static.json for serve to handle SPA routing
RUN echo '{ \n  "rewrites": [ \n    { "source": "**", "destination": "/index.html" } \n  ] \n}' > static.json

# Create a script to inject environment variables at runtime
RUN echo '#!/bin/sh\n\
cat > /app/env-config.js << EOL\n\
window.ENV = {\n\
  VITE_API_URL: process.env.VITE_API_URL,\n\
  VITE_SENTRY_DSN: process.env.VITE_SENTRY_DSN,\n\
  VITE_ROUTER_MODE: process.env.VITE_ROUTER_MODE\n\
};\n\
EOL\n\
serve -s . -l 3000' > /app/start.sh && chmod +x /app/start.sh

# Expose port 3000 (serve default)
EXPOSE 3000

# Health check (optional, depends on serve capabilities or custom health endpoint)
# HEALTHCHECK --interval=30s --timeout=10s --start-period=30s --retries=3 \
# CMD curl -f http://localhost:3000/ || exit 1

# Start serve with environment variable injection
CMD ["/app/start.sh"]