# syntax=docker/dockerfile:1
# =============================================================================
# mod_reqin_log - Dockerfile de packaging unifié (DEB + RPM avec fpm)
# Builds RPMs for multiple RHEL-compatible versions:
#   - AlmaLinux 7 / CentOS 7 (el7) - RHEL 7 compatible (using vault repos)
#   - Rocky Linux 8 (el8) - RHEL 8 compatible
#   - Rocky Linux 9 (el9) - RHEL 9 compatible
# =============================================================================

# =============================================================================
# Stage 1a: Builder CentOS 7 (RHEL 7 compatible, EOL - using vault)
# =============================================================================
FROM centos:7 AS builder-el7

# CentOS 7 is EOL since June 2024, use vault.centos.org for repositories
RUN sed -i 's/mirror.centos.org/vault.centos.org/g' /etc/yum.repos.d/*.repo && \
    sed -i 's/#baseurl/baseurl/g' /etc/yum.repos.d/*.repo && \
    sed -i 's/metalink/#metalink/g' /etc/yum.repos.d/*.repo

# Install build dependencies
RUN yum install -y \
    gcc \
    make \
    httpd \
    httpd-devel \
    apr-devel \
    apr-util-devel \
    python3 \
    curl \
    redhat-rpm-config \
    && yum clean all

WORKDIR /build
COPY src/ src/
COPY Makefile Makefile
COPY conf/ conf/
RUN make APXS=/usr/bin/apxs
RUN ls -la modules/mod_reqin_log.so

# =============================================================================
# Stage 1b: Builder Rocky Linux 8
# =============================================================================
FROM rockylinux:8 AS builder-el8

RUN dnf install -y epel-release && \
    dnf install -y --allowerasing \
    gcc \
    make \
    httpd \
    httpd-devel \
    apr-devel \
    apr-util-devel \
    python3 \
    curl \
    redhat-rpm-config \
    && dnf clean all

WORKDIR /build
COPY src/ src/
COPY Makefile Makefile
COPY conf/ conf/
RUN make APXS=/usr/bin/apxs
RUN ls -la modules/mod_reqin_log.so

# =============================================================================
# Stage 1c: Builder Rocky Linux 9
# =============================================================================
FROM rockylinux:9 AS builder-el9

RUN dnf install -y epel-release && \
    dnf install -y --allowerasing \
    gcc \
    make \
    httpd \
    httpd-devel \
    apr-devel \
    apr-util-devel \
    python3 \
    curl \
    redhat-rpm-config \
    && dnf clean all

WORKDIR /build
COPY src/ src/
COPY Makefile Makefile
COPY conf/ conf/
RUN make APXS=/usr/bin/apxs
RUN ls -la modules/mod_reqin_log.so

# =============================================================================
# Stage 2: Package builder - fpm pour DEB et RPM
# =============================================================================
FROM ruby:3.2-bookworm AS package-builder

WORKDIR /package

# Install fpm and Apache dev packages
RUN apt-get update && apt-get install -y --no-install-recommends \
    rpm \
    dpkg-dev \
    fakeroot \
    apache2-dev \
    apache2 \
    && rm -rf /var/lib/apt/lists/* \
    && gem install fpm -v 1.16.0

# =============================================================================
# Copy binaries from each builder stage
# =============================================================================

# CentOS 7 (el7)
COPY --from=builder-el7 /build/modules/mod_reqin_log.so /tmp/pkgroot-el7/usr/lib64/httpd/modules/mod_reqin_log.so
COPY --from=builder-el7 /build/conf/mod_reqin_log.conf /tmp/pkgroot-el7/etc/httpd/conf.d/mod_reqin_log.conf
RUN chmod 755 /tmp/pkgroot-el7/usr/lib64/httpd/modules/mod_reqin_log.so && \
    chmod 644 /tmp/pkgroot-el7/etc/httpd/conf.d/mod_reqin_log.conf

# Rocky Linux 8 (el8)
COPY --from=builder-el8 /build/modules/mod_reqin_log.so /tmp/pkgroot-el8/usr/lib64/httpd/modules/mod_reqin_log.so
COPY --from=builder-el8 /build/conf/mod_reqin_log.conf /tmp/pkgroot-el8/etc/httpd/conf.d/mod_reqin_log.conf
RUN chmod 755 /tmp/pkgroot-el8/usr/lib64/httpd/modules/mod_reqin_log.so && \
    chmod 644 /tmp/pkgroot-el8/etc/httpd/conf.d/mod_reqin_log.conf

# Rocky Linux 9 (el9)
COPY --from=builder-el9 /build/modules/mod_reqin_log.so /tmp/pkgroot-el9/usr/lib64/httpd/modules/mod_reqin_log.so
COPY --from=builder-el9 /build/conf/mod_reqin_log.conf /tmp/pkgroot-el9/etc/httpd/conf.d/mod_reqin_log.conf
RUN chmod 755 /tmp/pkgroot-el9/usr/lib64/httpd/modules/mod_reqin_log.so && \
    chmod 644 /tmp/pkgroot-el9/etc/httpd/conf.d/mod_reqin_log.conf

# DEB package (Debian paths)
COPY --from=builder-el9 /build/modules/mod_reqin_log.so /tmp/pkgroot-deb/usr/lib/apache2/modules/mod_reqin_log.so
COPY --from=builder-el9 /build/conf/mod_reqin_log.conf /tmp/pkgroot-deb/etc/apache2/conf-available/mod_reqin_log.conf
RUN chmod 755 /tmp/pkgroot-deb/usr/lib/apache2/modules/mod_reqin_log.so && \
    chmod 644 /tmp/pkgroot-deb/etc/apache2/conf-available/mod_reqin_log.conf

# Build DEB package (for Debian/Ubuntu)
ARG VERSION=1.0.0
ARG ARCH=amd64
RUN mkdir -p /packages/deb && \
    fpm -s dir -t deb \
    -n libapache2-mod-reqin-log \
    -v "${VERSION}" \
    -C /tmp/pkgroot-deb \
    --architecture "${ARCH}" \
    --description "Apache HTTPD module for logging HTTP requests as JSON to Unix socket" \
    --url "https://github.com/example/mod_reqin_log" \
    --license "Apache-2.0" \
    --vendor "Developer <dev@example.com>" \
    --maintainer "Developer <dev@example.com>" \
    --depends "apache2" \
    -p /packages/deb/libapache2-mod-reqin-log_${VERSION}_${ARCH}.deb \
    usr/lib/apache2/modules/mod_reqin_log.so \
    etc/apache2/conf-available/mod_reqin_log.conf

# =============================================================================
# Build RPM packages for each distribution
# =============================================================================

# CentOS 7 (el7)
ARG VERSION=1.0.0
RUN mkdir -p /packages/rpm && \
    fpm -s dir -t rpm \
    -n mod_reqin_log \
    -v "${VERSION}" \
    --rpm-dist el7 \
    -C /tmp/pkgroot-el7 \
    --architecture "x86_64" \
    --description "Apache HTTPD module for logging HTTP requests as JSON to Unix socket" \
    --url "https://github.com/example/mod_reqin_log" \
    --license "Apache-2.0" \
    --vendor "Developer <dev@example.com>" \
    --depends "httpd" \
    -p /packages/rpm/mod_reqin_log-${VERSION}-1.el7.x86_64.rpm \
    usr/lib64/httpd/modules/mod_reqin_log.so \
    etc/httpd/conf.d/mod_reqin_log.conf

# Rocky Linux 8 (el8)
RUN \
    fpm -s dir -t rpm \
    -n mod_reqin_log \
    -v "${VERSION}" \
    --rpm-dist el8 \
    -C /tmp/pkgroot-el8 \
    --architecture "x86_64" \
    --description "Apache HTTPD module for logging HTTP requests as JSON to Unix socket" \
    --url "https://github.com/example/mod_reqin_log" \
    --license "Apache-2.0" \
    --vendor "Developer <dev@example.com>" \
    --depends "httpd" \
    -p /packages/rpm/mod_reqin_log-${VERSION}-1.el8.x86_64.rpm \
    usr/lib64/httpd/modules/mod_reqin_log.so \
    etc/httpd/conf.d/mod_reqin_log.conf

# Rocky Linux 9 (el9)
RUN \
    fpm -s dir -t rpm \
    -n mod_reqin_log \
    -v "${VERSION}" \
    --rpm-dist el9 \
    -C /tmp/pkgroot-el9 \
    --architecture "x86_64" \
    --description "Apache HTTPD module for logging HTTP requests as JSON to Unix socket" \
    --url "https://github.com/example/mod_reqin_log" \
    --license "Apache-2.0" \
    --vendor "Developer <dev@example.com>" \
    --depends "httpd" \
    -p /packages/rpm/mod_reqin_log-${VERSION}-1.el9.x86_64.rpm \
    usr/lib64/httpd/modules/mod_reqin_log.so \
    etc/httpd/conf.d/mod_reqin_log.conf

# =============================================================================
# Stage 3: Output - Image finale avec les packages
# =============================================================================
FROM alpine:latest AS output

WORKDIR /packages
COPY --from=package-builder /packages/deb/*.deb /packages/deb/
COPY --from=package-builder /packages/rpm/*.rpm /packages/rpm/

CMD ["sh", "-c", "echo '=== DEB Packages ===' && ls -la /packages/deb/ && echo '' && echo '=== RPM Packages ===' && ls -la /packages/rpm/"]