# ============================================
# Base stage for shared configuration
# ============================================
FROM node:20.11-alpine3.19 AS base

# Configure build environment with optimized settings
ENV NODE_OPTIONS="--max_old_space_size=2048" \
    NEXT_TELEMETRY_DISABLED=1 \
    NODE_ENV=production \
    PYTHONDONTWRITEBYTECODE=1 \
    TZ=UTC

# Install base dependencies
RUN apk add --no-cache tzdata && \
    ln -s /usr/share/zoneinfo/UTC /etc/localtime && \
    echo UTC > /etc/timezone

# ============================================
# Web builder stage - optimized
# ============================================
FROM base AS web-builder

WORKDIR /app

# Copy entire web directory first
COPY web/ web/

WORKDIR /app/web

# Install dependencies and build
RUN yarn install --frozen-lockfile && \
    yarn add --dev autoprefixer postcss tailwindcss code-inspector-plugin && \
    yarn build && \
    yarn cache clean

# ============================================
# Python builder stage - optimized
# ============================================
FROM python:3.10-slim-bookworm AS python-builder

# Install build dependencies
RUN apt-get update && \
    apt-get install -y --no-install-recommends \
    gcc g++ libc-dev libffi-dev && \
    rm -rf /var/lib/apt/lists/*

WORKDIR /app

# Copy entire api directory
COPY api/ api/

WORKDIR /app/api

# Install poetry and dependencies
RUN pip install --no-cache-dir poetry==1.8.3 && \
    poetry config virtualenvs.create false && \
    poetry install --no-dev --no-interaction --no-ansi

# ============================================
# Final stage - minimal
# ============================================
FROM python:3.10-slim-bookworm

# Create non-root user
RUN useradd -m -u 1000 user

# Install runtime dependencies
RUN apt-get update && \
    apt-get install -y --no-install-recommends \
    nodejs npm curl libgmp-dev libmpfr-dev libmpc-dev && \
    echo "deb http://deb.debian.org/debian testing main" > /etc/apt/sources.list && \
    apt-get update && \
    apt-get install -y --no-install-recommends \
    expat=2.6.3-2 libldap-2.5-0=2.5.18+dfsg-3+b1 \
    perl=5.40.0-6 libsqlite3-0=3.46.1-1 \
    zlib1g=1:1.3.dfsg+really1.3.1-1+b1 \
    fonts-noto-cjk && \
    apt-get autoremove -y && \
    rm -rf /var/lib/apt/lists/*

# Set up directory structure
WORKDIR /app
RUN mkdir -p api web && chown -R user:user /app

# Copy Python environment and files
COPY --from=python-builder --chown=user /usr/local/lib/python3.10/site-packages /usr/local/lib/python3.10/site-packages
COPY --chown=user api/ /app/api/

# Copy Next.js files
COPY --from=web-builder --chown=user /app/web/.next/standalone /app/web
COPY --from=web-builder --chown=user /app/web/.next/static /app/web/.next/static
COPY --from=web-builder --chown=user /app/web/public /app/web/public

# Download NLTK data
RUN python -c "import nltk; nltk.download('punkt'); nltk.download('averaged_perceptron_tagger')"

# Set environment variables
ENV FLASK_APP=app.py \
    EDITION=SELF_HOSTED \
    DEPLOY_ENV=PRODUCTION \
    CONSOLE_API_URL=http://127.0.0.1:7860 \
    CONSOLE_WEB_URL=http://127.0.0.1:3000 \
    SERVICE_API_URL=http://127.0.0.1:7860 \
    APP_WEB_URL=http://127.0.0.1:3000 \
    NODE_ENV=production \
    HOME=/app \
    PATH="/usr/local/bin:${PATH}" \
    PYTHONPATH=/app/api \
    MAIL_TYPE=resend \
    MAIL_RESEND_API_KEY=null \
    TZ=UTC

USER user
EXPOSE 7860 3000

# Copy and setup entrypoint
COPY --chown=user docker/entrypoint.sh /app/entrypoint.sh
RUN chmod +x /app/entrypoint.sh

WORKDIR /app

CMD ["./entrypoint.sh"]