# ===============================
# Stage 1: Build Angular 18 app
# ===============================
FROM node:18-alpine AS builder

# Set working directory
WORKDIR /project

# Install Angular CLI 18
RUN npm install -g @angular/cli@18.0.2

# Copy package files
COPY package*.json ./

# Install dependencies
RUN npm ci --legacy-peer-deps

# Copy all source files
COPY . .

# Build for production (output goes to dist/fuse)
RUN ng build --configuration production

# ===============================
# Stage 2: Serve with Nginx
# ===============================
FROM nginx:alpine

# Copy built files from builder (note: dist/fuse, not dist/fuse-angular)
COPY --from=builder /project/dist/fuse/browser /usr/share/nginx/html

# Create Nginx configuration
RUN echo 'server { \
    listen 80; \
    server_name localhost; \
    root /usr/share/nginx/html; \
    index index.html; \
    \
    # Enable gzip compression \
    gzip on; \
    gzip_types text/css application/javascript application/json image/svg+xml; \
    gzip_comp_level 6; \
    \
    # Angular routing - serve index.html for all routes \
    location / { \
        try_files $uri $uri/ /index.html; \
    } \
    \
    # Proxy API requests to backend \
    location /api/ { \
        proxy_pass http://backend:5000/; \
        proxy_http_version 1.1; \
        proxy_set_header Upgrade $http_upgrade; \
        proxy_set_header Connection "upgrade"; \
        proxy_set_header Host $host; \
        proxy_cache_bypass $http_upgrade; \
        proxy_set_header X-Real-IP $remote_addr; \
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; \
        proxy_set_header X-Forwarded-Proto $scheme; \
    } \
    \
    # Cache static assets \
    location ~* \.(js|css|png|jpg|jpeg|gif|ico|svg|woff|woff2|ttf|eot)$ { \
        expires 1y; \
        add_header Cache-Control "public, immutable"; \
    } \
}' > /etc/nginx/conf.d/default.conf

EXPOSE 80

CMD ["nginx", "-g", "daemon off;"]