# Build Zammad with CDR Link addon
# Based on Zammad's upstream Dockerfile with addon injection steps.
# Zammad source is expected at .aidocs/zammad/ relative to the repo root.

ARG RUBY_VERSION=3.4.8
ARG NODE_VERSION=22

# --- Base stage: runtime dependencies ---
FROM docker.io/library/ruby:$RUBY_VERSION-slim-trixie AS base

WORKDIR /opt/zammad

ENV RAILS_ENV="production" \
    BUNDLE_DEPLOYMENT="1" \
    BUNDLE_PATH="/usr/local/bundle" \
    BUNDLE_WITHOUT="test development" \
    RAILS_LOG_TO_STDOUT="true"

RUN apt-get update -qq && \
    apt-get install -y postgresql-common && \
    /usr/share/postgresql-common/pgdg/apt.postgresql.org.sh -y && \
    apt-get install --no-install-recommends -y curl libimlib2 libpq5 nginx gnupg postgresql-client-17 && \
    rm -rf /var/lib/apt/lists /var/cache/apt/archives

# --- Node binary ---
FROM node:${NODE_VERSION}-trixie-slim AS node
RUN npm -g install corepack && corepack enable pnpm && \
    rm /usr/local/bin/yarn /usr/local/bin/yarnpkg

# --- Build stage ---
FROM base AS build

SHELL ["/bin/bash", "-o", "errexit", "-o", "pipefail", "-c"]

RUN apt-get update -qq && \
    apt-get install --no-install-recommends -y build-essential git libimlib2-dev libpq-dev libyaml-dev && \
    rm -rf /var/lib/apt/lists /var/cache/apt/archives

# Install Ruby gems
COPY .aidocs/zammad/Gemfile .aidocs/zammad/Gemfile.lock ./
COPY .aidocs/zammad/vendor/ vendor/
RUN bundle install && \
    rm -rf ~/.bundle/ "${BUNDLE_PATH}"/ruby/*/cache "${BUNDLE_PATH}"/ruby/*/bundler/gems/*/.git

# Install Node.js
COPY --from=node /usr/local/lib/node_modules /usr/local/lib/node_modules
COPY --from=node /usr/local/bin /usr/local/bin

# Install node modules
COPY .aidocs/zammad/package.json .aidocs/zammad/pnpm-lock.yaml ./
COPY .aidocs/zammad/.eslint-plugin-zammad/ .eslint-plugin-zammad/
RUN pnpm install --frozen-lockfile

# Copy Zammad source
COPY .aidocs/zammad/ .

# --- CDR Link Addon ---
RUN mkdir -p contrib/link/addons
COPY docker/zammad/addons/ contrib/link/addons/
COPY docker/zammad/setup.rb contrib/link/setup.rb
COPY docker/zammad/install.rb contrib/link/install.rb
RUN ruby contrib/link/install.rb

# OpenSearch compatibility: 'flattened' -> 'flat_object'
RUN sed -i "s/'flattened'/'flat_object'/g" lib/search_index_backend.rb

# Build version info
ARG COMMIT_SHA=""
RUN COMMIT_SHA="${COMMIT_SHA:-$(git rev-parse HEAD 2>/dev/null || echo unknown)}"; \
    COMMIT_SHA_SHORT=$(echo "${COMMIT_SHA}" | cut -c 1-8); \
    echo "$(tr -d '\n' < VERSION)-${COMMIT_SHA_SHORT}.docker" > VERSION; \
    cat VERSION

# Precompile all assets (Vite + Sprockets, including addon Vue/CoffeeScript)
RUN touch db/schema.rb && \
    ZAMMAD_SAFE_MODE=1 DATABASE_URL=postgresql://zammad:/zammad bundle exec rake assets:precompile

RUN script/build/cleanup.sh

# Precompile bootsnap for faster boot times
RUN bundle exec bootsnap precompile --gemfile app/ lib/

# Inject addon registration into the entrypoint (runs during zammad-init)
RUN sed -i '/^[[:space:]]*# es config/a\
  echo "Installing addon packages..."\n\
  bundle exec rails runner /opt/zammad/contrib/link/setup.rb\n\
  bundle exec rake zammad:package:migrate\n\
  ' bin/docker-entrypoint

# Nginx embedded mode: add /link proxy location
ARG EMBEDDED=false
ARG LINK_HOST=http://link:3000
RUN if [ "$EMBEDDED" = "true" ] ; then \
    sed -i '$ d' contrib/nginx/zammad.conf && \
    echo "" >> contrib/nginx/zammad.conf && \
    echo "  location /link {" >> contrib/nginx/zammad.conf && \
    echo "    set \$link_url ${LINK_HOST}; proxy_pass \$link_url;" >> contrib/nginx/zammad.conf && \
    echo "    proxy_set_header Host \$host;" >> contrib/nginx/zammad.conf && \
    echo "    proxy_set_header X-Real-IP \$remote_addr;" >> contrib/nginx/zammad.conf && \
    echo "    proxy_set_header X-Forwarded-For \$proxy_add_x_forwarded_for;" >> contrib/nginx/zammad.conf && \
    echo "    proxy_set_header X-Forwarded-Proto https;" >> contrib/nginx/zammad.conf && \
    echo "  }" >> contrib/nginx/zammad.conf && \
    echo "}" >> contrib/nginx/zammad.conf; \
fi

# --- Final stage ---
FROM base

RUN apt-get update -qq && \
    apt-get upgrade -y && \
    rm -rf /var/lib/apt/lists /var/cache/apt/archives

ENV POSTGRESQL_DB=zammad_production \
    POSTGRESQL_HOST=postgresql \
    POSTGRESQL_PORT=5432 \
    POSTGRESQL_USER=zammad \
    POSTGRESQL_PASS=zammad \
    POSTGRESQL_OPTIONS=?pool=50 \
    RAILS_TRUSTED_PROXIES=127.0.0.1,::1

RUN groupadd --system --gid 1000 zammad && \
  useradd --create-home --home /opt/zammad --shell /bin/bash --uid 1000 --gid 1000 zammad

RUN sed -i -e "s#user www-data;##g" \
           -e 's#/var/log/nginx/\(access\|error\).log#/dev/stdout#g' \
           -e 's#pid /run/nginx.pid;#pid /tmp/nginx.pid;#g' /etc/nginx/nginx.conf && \
  mkdir -p /opt/zammad /var/log/nginx

RUN mkdir -p "/opt/zammad/storage" "/opt/zammad/tmp" && \
  chown -R 1000:1000 /etc/nginx /var/lib/nginx /var/log/nginx /opt/zammad

COPY --chown=1000:1000 --from=build "${BUNDLE_PATH}" "${BUNDLE_PATH}"
COPY --chown=1000:1000 --from=build /opt/zammad /opt/zammad

# Backwards compatibility
RUN ln -s "/opt/zammad/bin/docker-entrypoint" /docker-entrypoint.sh

USER 1000:1000
ENTRYPOINT ["/opt/zammad/bin/docker-entrypoint"]
LABEL io.portainer.commands.rails-console="bundle exec rails c"