# =============================================================================
# DEPS Stage: Install dependencies only (cacheable separately)
# =============================================================================
FROM node:22-alpine AS deps
RUN corepack enable && corepack prepare pnpm@9.0.0 --activate
WORKDIR /app

# Copiar SOLO los archivos de dependencias (máxima reutilización de caché)
COPY package.json pnpm-lock.yaml ./

# Instalar dependencias con caché de pnpm persistente
RUN --mount=type=cache,id=pnpm,target=/pnpm/store \
    pnpm install --frozen-lockfile --aggregate-output --store-dir /pnpm/store

# =============================================================================
# Build Stage: Compile aplicación
# =============================================================================
FROM node:22-alpine AS builder

# Arguments for construction
ARG VITE_API_BASE
ENV VITE_API_BASE=$VITE_API_BASE
ARG VITE_ADMIN_APP_ORIGIN
ENV VITE_ADMIN_APP_ORIGIN=$VITE_ADMIN_APP_ORIGIN
ARG VITE_MOBILE_APP_ORIGIN
ENV VITE_MOBILE_APP_ORIGIN=$VITE_MOBILE_APP_ORIGIN
ARG VITE_API_URL
ENV VITE_API_URL=$VITE_API_URL

RUN corepack enable && corepack prepare pnpm@9.0.0 --activate
WORKDIR /app

# Copiar node_modules desde stage deps (evita reinstalar)
COPY --from=deps /app/node_modules ./node_modules

# Copy source code
COPY . .

# Build for production
RUN pnpm build

# =============================================================================
# RUNTIME Stage (Nginx)
# =============================================================================
FROM nginx:alpine
COPY --from=builder /app/dist /usr/share/nginx/html

# Optimized Nginx config for PWA (with API proxy and Cache Control)
RUN echo 'server { \
    listen 80; \
    root /usr/share/nginx/html; \
    index index.html; \
    \
    # Cache Control para el index.html y sw.js (NUNCA cachear) \
    location ~* ^/(index\.html|sw\.js)$ { \
    add_header Cache-Control "no-store, no-cache, must-revalidate, proxy-revalidate, max-age=0"; \
    } \
    \
    # Cache Control para assets estáticos (Vite usa hashes) \
    location /assets/ { \
    expires 1y; \
    add_header Cache-Control "public, immutable"; \
    } \
    \
    location / { \
    try_files $uri $uri/ /index.html; \
    } \
    \
    location /api/ { \
    resolver 127.0.0.11 valid=30s; \
    set $backend_upstream backend-api; \
    proxy_pass http://$backend_upstream:8000; \
    proxy_http_version 1.1; \
    proxy_set_header Upgrade $http_upgrade; \
    proxy_set_header Connection "upgrade"; \
    proxy_set_header Host $host; \
    } \
    }' > /etc/nginx/conf.d/default.conf

EXPOSE 80
CMD ["nginx", "-g", "daemon off;"]