# syntax=docker/dockerfile:1
# =============================================================================
# mod_reqin_log - Dockerfile de packaging RPM
# Builds RPMs for multiple RHEL-compatible versions:
#   - Rocky Linux 8 (el8) - RHEL 8 compatible
#   - Rocky Linux 9 (el9) - RHEL 9 compatible
#   - AlmaLinux 10 (el10) - RHEL 10 compatible
# =============================================================================

# =============================================================================
# Stage 1a: 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 1b: 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 1c: Builder AlmaLinux 10 (RHEL 10 compatible)
# =============================================================================
FROM almalinux:10 AS builder-el10

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 - rpmbuild pour RPM
# =============================================================================
FROM rockylinux:9 AS package-builder

WORKDIR /package

# Install rpm-build and dependencies
RUN dnf install -y rpm-build rpmdevtools && \
    dnf clean all

# Create rpmbuild directory structure
RUN rpmdev-setuptree

# =============================================================================
# Copy spec file and source files
# =============================================================================
COPY mod_reqin_log.spec /package/mod_reqin_log.spec

# =============================================================================
# Copy binaries from each builder stage into pkgroot directories
# =============================================================================

# 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

# AlmaLinux 10 (el10)
COPY --from=builder-el10 /build/modules/mod_reqin_log.so /tmp/pkgroot-el10/usr/lib64/httpd/modules/mod_reqin_log.so
COPY --from=builder-el10 /build/conf/mod_reqin_log.conf /tmp/pkgroot-el10/etc/httpd/conf.d/mod_reqin_log.conf
RUN chmod 755 /tmp/pkgroot-el10/usr/lib64/httpd/modules/mod_reqin_log.so && \
    chmod 644 /tmp/pkgroot-el10/etc/httpd/conf.d/mod_reqin_log.conf

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

# Create packages directory
RUN mkdir -p /tmp/packages/el8 /tmp/packages/el9 /tmp/packages/el10

# Build for el8
RUN VERSION=$(grep "^Version:" /package/mod_reqin_log.spec | awk '{print $2}') && \
    mkdir -p /tmp/pkgroot-el8-rpm/usr/lib64/httpd/modules /tmp/pkgroot-el8-rpm/etc/httpd/conf.d && \
    cp /tmp/pkgroot-el8/usr/lib64/httpd/modules/mod_reqin_log.so /tmp/pkgroot-el8-rpm/usr/lib64/httpd/modules/ && \
    cp /tmp/pkgroot-el8/etc/httpd/conf.d/mod_reqin_log.conf /tmp/pkgroot-el8-rpm/etc/httpd/conf.d/ && \
    rpmbuild -bb /package/mod_reqin_log.spec \
        --define "_topdir /tmp/rpmbuild-el8" \
        --define "_pkgroot /tmp/pkgroot-el8-rpm" \
        --define "dist .el8" && \
    cp /tmp/rpmbuild-el8/RPMS/x86_64/*.rpm /tmp/packages/el8/

# Build for el9
RUN VERSION=$(grep "^Version:" /package/mod_reqin_log.spec | awk '{print $2}') && \
    mkdir -p /tmp/pkgroot-el9-rpm/usr/lib64/httpd/modules /tmp/pkgroot-el9-rpm/etc/httpd/conf.d && \
    cp /tmp/pkgroot-el9/usr/lib64/httpd/modules/mod_reqin_log.so /tmp/pkgroot-el9-rpm/usr/lib64/httpd/modules/ && \
    cp /tmp/pkgroot-el9/etc/httpd/conf.d/mod_reqin_log.conf /tmp/pkgroot-el9-rpm/etc/httpd/conf.d/ && \
    rpmbuild -bb /package/mod_reqin_log.spec \
        --define "_topdir /tmp/rpmbuild-el9" \
        --define "_pkgroot /tmp/pkgroot-el9-rpm" \
        --define "dist .el9" && \
    cp /tmp/rpmbuild-el9/RPMS/x86_64/*.rpm /tmp/packages/el9/

# Build for el10
RUN VERSION=$(grep "^Version:" /package/mod_reqin_log.spec | awk '{print $2}') && \
    mkdir -p /tmp/pkgroot-el10-rpm/usr/lib64/httpd/modules /tmp/pkgroot-el10-rpm/etc/httpd/conf.d && \
    cp /tmp/pkgroot-el10/usr/lib64/httpd/modules/mod_reqin_log.so /tmp/pkgroot-el10-rpm/usr/lib64/httpd/modules/ && \
    cp /tmp/pkgroot-el10/etc/httpd/conf.d/mod_reqin_log.conf /tmp/pkgroot-el10-rpm/etc/httpd/conf.d/ && \
    rpmbuild -bb /package/mod_reqin_log.spec \
        --define "_topdir /tmp/rpmbuild-el10" \
        --define "_pkgroot /tmp/pkgroot-el10-rpm" \
        --define "dist .el10" && \
    cp /tmp/rpmbuild-el10/RPMS/x86_64/*.rpm /tmp/packages/el10/

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

WORKDIR /packages
COPY --from=package-builder /tmp/packages/el8/*.rpm /packages/rpm/el8/
COPY --from=package-builder /tmp/packages/el9/*.rpm /packages/rpm/el9/
COPY --from=package-builder /tmp/packages/el10/*.rpm /packages/rpm/el10/

CMD ["sh", "-c", "echo '=== RPM Packages (el8) ===' && ls -la /packages/rpm/el8/ && echo '' && echo '=== RPM Packages (el9) ===' && ls -la /packages/rpm/el9/ && echo '' && echo '=== RPM Packages (el10) ===' && ls -la /packages/rpm/el10/"]