# Base image
FROM python:3.12.3-slim-bookworm as base

# Install Nginx, curl, and build-essential
RUN apt update && apt install -y nginx curl build-essential \
    && apt-get clean \
    && rm -rf /var/lib/apt/lists/* \
    && rm /etc/nginx/sites-enabled/default

# Install Node tools
RUN curl -fsSL https://deb.nodesource.com/setup_21.x | bash - \
    && apt-get install -y nodejs \
    && npm install -g corepack pm2

# Frontend Build
FROM base AS builder

WORKDIR /app/web

# Install dependencies based on the preferred package manager
COPY ./apps/web/package.json ./apps/web/pnpm-lock.yaml* ./
COPY ./apps/web /app/web
# Remove any environment files that might interfere
RUN rm -f .env* 
# Omit --production flag for TypeScript devDependencies
RUN \
  if [ -f pnpm-lock.yaml ]; then corepack enable pnpm && pnpm i --frozen-lockfile; \
  elif [ -f package-lock.json ]; then npm ci; \
  else echo "Warning: Lockfile not found. It is recommended to commit lockfiles to version control." && npm install; \
  fi

# Environment variables must be present at build time
ARG NEXT_PUBLIC_LEARNHOUSE_API_URL
ARG NEXT_PUBLIC_LEARNHOUSE_BACKEND_URL
ARG NEXT_PUBLIC_LEARNHOUSE_DOMAIN
ARG NEXT_PUBLIC_LEARNHOUSE_DEFAULT_ORG
ARG NEXT_PUBLIC_LEARNHOUSE_MULTI_ORG
ARG NEXT_PUBLIC_LEARNHOUSE_TOP_DOMAIN

ENV NEXT_PUBLIC_LEARNHOUSE_API_URL=${NEXT_PUBLIC_LEARNHOUSE_API_URL}
ENV NEXT_PUBLIC_LEARNHOUSE_BACKEND_URL=${NEXT_PUBLIC_LEARNHOUSE_BACKEND_URL}
ENV NEXT_PUBLIC_LEARNHOUSE_DOMAIN=${NEXT_PUBLIC_LEARNHOUSE_DOMAIN}
ENV NEXT_PUBLIC_LEARNHOUSE_DEFAULT_ORG=${NEXT_PUBLIC_LEARNHOUSE_DEFAULT_ORG}
ENV NEXT_PUBLIC_LEARNHOUSE_MULTI_ORG=${NEXT_PUBLIC_LEARNHOUSE_MULTI_ORG}
ENV NEXT_PUBLIC_LEARNHOUSE_TOP_DOMAIN=${NEXT_PUBLIC_LEARNHOUSE_TOP_DOMAIN}

# Next.js collects completely anonymous telemetry data about general usage
# Disable telemetry at build time
ENV NEXT_TELEMETRY_DISABLED 1

# Build Next.js based on the preferred package manager
RUN \
  if [ -f pnpm-lock.yaml ]; then pnpm build; \
  elif [ -f package-lock.json ]; then npm run build; \
  else npm run build; \
  fi

# Final image
FROM base AS runner
RUN addgroup --system --gid 1001 system \
    && adduser --system --uid 1001 app \
    && mkdir .next \
    && chown app:system .next

COPY --from=builder /app/web/public ./app/web/public

# Automatically leverage output traces to reduce image size
# https://nextjs.org/docs/advanced-features/output-file-tracing  
COPY --from=builder --chown=app:system /app/web/.next/standalone ./app/web/
COPY --from=builder --chown=app:system /app/web/.next/static ./app/web/.next/static

# Environment variables must be redefined at run time
ARG NEXT_PUBLIC_LEARNHOUSE_API_URL
ARG NEXT_PUBLIC_LEARNHOUSE_BACKEND_URL
ARG NEXT_PUBLIC_LEARNHOUSE_DOMAIN
ARG NEXT_PUBLIC_LEARNHOUSE_DEFAULT_ORG
ARG NEXT_PUBLIC_LEARNHOUSE_MULTI_ORG
ARG NEXT_PUBLIC_LEARNHOUSE_TOP_DOMAIN

ENV NEXT_PUBLIC_LEARNHOUSE_API_URL=${NEXT_PUBLIC_LEARNHOUSE_API_URL}
ENV NEXT_PUBLIC_LEARNHOUSE_BACKEND_URL=${NEXT_PUBLIC_LEARNHOUSE_BACKEND_URL}
ENV NEXT_PUBLIC_LEARNHOUSE_DOMAIN=${NEXT_PUBLIC_LEARNHOUSE_DOMAIN}
ENV NEXT_PUBLIC_LEARNHOUSE_DEFAULT_ORG=${NEXT_PUBLIC_LEARNHOUSE_DEFAULT_ORG}
ENV NEXT_PUBLIC_LEARNHOUSE_MULTI_ORG=${NEXT_PUBLIC_LEARNHOUSE_MULTI_ORG}
ENV NEXT_PUBLIC_LEARNHOUSE_TOP_DOMAIN=${NEXT_PUBLIC_LEARNHOUSE_TOP_DOMAIN}

# Backend Build
WORKDIR /app/api
COPY ./apps/api/uv.lock ./
COPY ./apps/api/pyproject.toml ./

# Install dependencies with uv (fallback to pip if needed)
RUN pip install --upgrade pip && \
    pip install uv && \
    (uv sync --system || pip install -e .) && \
    pip install uvicorn

COPY ./apps/api ./

# Run the backend
WORKDIR /app
COPY ./extra/nginx.conf /etc/nginx/conf.d/default.conf
ENV PORT=80 LEARNHOUSE_PORT=9000 HOSTNAME=0.0.0.0
# Set DATABASE_URL to use the same value as LEARNHOUSE_SQL_CONNECTION_STRING at runtime
ENV DATABASE_URL=${LEARNHOUSE_SQL_CONNECTION_STRING}
COPY ./extra/start.sh /app/start.sh

# Make the start script executable
RUN chmod +x /app/start.sh

# Use the start script
CMD ["sh", "/app/start.sh"]