# Stage 1: Install dependencies
FROM node:20-alpine AS deps
RUN apk add --no-cache libc6-compat openssl
WORKDIR /app

COPY package.json package-lock.json* ./
RUN npm ci

# Stage 2: Build
FROM node:20-alpine AS builder
RUN apk add --no-cache openssl
WORKDIR /app
COPY --from=deps /app/node_modules ./node_modules
COPY . .

# Generate Prisma client
RUN npx prisma generate

# Build Next.js
RUN npm run build

# Stage 3: Production
FROM node:20-alpine AS runner
RUN apk add --no-cache openssl
WORKDIR /app

ENV NODE_ENV=production

RUN addgroup --system --gid 1001 nodejs
RUN adduser --system --uid 1001 nextjs

# Copy public files
COPY --from=builder /app/public ./public

# Create .next directory
RUN mkdir .next
RUN chown nextjs:nodejs .next

# Copy standalone build
COPY --from=builder --chown=nextjs:nodejs /app/.next/standalone ./
COPY --from=builder --chown=nextjs:nodejs /app/.next/static ./.next/static

# Copy Prisma files - important for migrations and runtime
COPY --from=builder --chown=nextjs:nodejs /app/prisma ./prisma
COPY --from=builder --chown=nextjs:nodejs /app/node_modules/.prisma ./node_modules/.prisma
COPY --from=builder --chown=nextjs:nodejs /app/node_modules/@prisma ./node_modules/@prisma

# Install prisma CLI for migrations (as root before switching user)
RUN npm install -g prisma@6.19.2

USER nextjs

EXPOSE 3000

ENV PORT=3000
ENV HOSTNAME="0.0.0.0"

# Run migrations with retry logic and start server
CMD sh -c '\
    echo "Waiting for database..." && \
    sleep 5 && \
    echo "Running migrations..." && \
    for i in 1 2 3 4 5; do \
    prisma migrate deploy --schema=./prisma/schema.prisma && break || \
    (echo "Migration failed, retrying in 5s..." && sleep 5); \
    done && \
    echo "Starting server..." && \
    node server.js'