%global _debugsource_packages 0
%global _debuginfo_packages 0
%global debug_package %{nil}

%global corefreq_version 2.0.8

Name:           corefreq
Version:        %{corefreq_version}
Release:        25.alpha1%{?dist}
Summary:        CPU monitoring software with akmod kernel module

License:        GPL-2.0-only
URL:            https://github.com/cyring/CoreFreq
Source0:        %{url}/archive/refs/tags/%{version}.tar.gz#/%{name}-%{version}.tar.gz
# systemd modules-load configuration
Source1:        corefreq.modules-load.conf
# systemd service unit for the daemon
Source2:        corefreqd.service
# Custom Makefile for building kernel module via akmods
Source3:        Makefile.akmod
# Spec file template for the kmod SRPM
Source4:        corefreq-kmod.spec.in

# Akmod BuildRequires
BuildRequires:  kmodtool
BuildRequires:  akmods
BuildRequires:  gcc make rpm-build
BuildRequires:  systemd-rpm-macros
BuildRequires:  kernel-devel

# Runtime Requirements
Requires:       systemd
Suggests:       mokutil
# Require the akmod package which provides the kernel module source
Requires:       akmod-%{name} >= %{version}

# Generate akmod metadata
%{expand:%(kmodtool --target %{_target_cpu} --kmodname %{name} --pattern ".*" --akmod 2>/dev/null) }

%description
CoreFreq is a CPU monitoring software designed for 64-bit Processors.
This package provides the user-space tools and the akmod source for the
'corefreqk' kernel module with full automation including Secure Boot support.

%package -n akmod-%{name}
Summary:        Akmod package for %{name} kernel module(s)
Requires:       kmodtool
Requires:       akmods
# This provides a virtual dependency for other packages to require a kmod
Provides:       %{name}-kmod = %{?epoch:%{epoch}:}%{version}-%{release}

%description -n akmod-%{name}
This package provides the akmod package for the %{name} kernel modules.

%prep
%autosetup -n CoreFreq-%{version} -p1
cp Makefile Makefile.orig
cp %{SOURCE3} Makefile

%build
# Build userspace tools only; kernel module is built by akmods
make %{?_smasm_mflags} userspace

%install
# --- Install userspace binaries ---
install -D -m 0755 build/corefreqd %{buildroot}%{_bindir}/corefreqd
install -D -m 0755 build/corefreq-cli %{buildroot}%{_bindir}/corefreq-cli

# --- Install systemd unit and modules-load config ---
install -D -m 0644 %{SOURCE2} %{buildroot}%{_unitdir}/corefreqd.service
install -D -m 0644 %{SOURCE1} %{buildroot}%{_sysconfdir}/modules-load.d/corefreq.conf

# --- Create akmod SRPM ---
install -d %{buildroot}%{_usrsrc}/akmods/

SRPM_TOPDIR=$(mktemp -d)
mkdir -p "$SRPM_TOPDIR"/{SOURCES,SPECS}

sed -e 's|@COREFREQ_VERSION@|%{corefreq_version}|g' \
    -e 's|@RELEASE@|1%{?dist}|g' \
    %{SOURCE4} > "$SRPM_TOPDIR"/SPECS/corefreq-kmod.spec

tar -czf "$SRPM_TOPDIR"/SOURCES/corefreq-kmod-%{version}.tar.gz \
    --transform "s|^CoreFreq-%{version}|corefreq-kmod-%{version}|" \
    -C %{_builddir} \
    CoreFreq-%{version}

rpmbuild -bs \
  --define "_topdir $SRPM_TOPDIR" \
  "$SRPM_TOPDIR"/SPECS/corefreq-kmod.spec

install -m 0644 "$SRPM_TOPDIR"/SRPMS/*.src.rpm %{buildroot}%{_usrsrc}/akmods/

SRPM_NAME=$(basename "$SRPM_TOPDIR"/SRPMS/*.src.rpm)
ln -s "$SRPM_NAME" %{buildroot}%{_usrsrc}/akmods/%{name}-kmod.latest

rm -rf "$SRPM_TOPDIR"

%post
# Display MOK enrollment instructions if Secure Boot is enabled
if [ -d /sys/firmware/efi/efivars ]; then
    if mokutil --sb-state 2>/dev/null | grep -q "SecureBoot enabled"; then
        if ! mokutil --list-enrolled 2>/dev/null | grep -q "CN=akmods"; then
            cat << 'EOF'
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
🔐 SECURE BOOT DETECTED - MOK ENROLLMENT REQUIRED
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
To use CoreFreq with Secure Boot, enroll the akmods signing key:

  sudo mokutil --import /etc/pki/akmods/certs/public_key.der

Then REBOOT and follow the MOK Manager instructions.
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
EOF
        fi
    fi
fi

%systemd_post corefreqd.service

# Enable the service to start on boot
systemctl enable corefreqd.service >/dev/null 2>&1 || true

# User information message
echo ""
echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
echo "  CoreFreq has been installed."
echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
echo ""
echo "  The kernel module will be built automatically. The service"
echo "  will start on the next boot, or once the module is loaded."
echo ""
echo "  Check build status: journalctl -u akmods.service"
echo "  Check daemon status: systemctl status corefreqd.service"
echo "  Use CLI:            corefreq-cli"
echo ""

%preun
%systemd_preun corefreqd.service

%postun
%systemd_postun_with_restart corefreqd.service

%post -n akmod-%{name}
# Trigger the initial build asynchronously after installation
if command -v at >/dev/null 2>&1 && systemctl is-active --quiet atd; then
    echo "%{_bindir}/akmods --akmod %{name} --kernels \"\$(uname -r)\"" | at now + 1 minute 2>/dev/null || {
        nohup sh -c 'sleep 10; %{_bindir}/akmods --akmod %{name} --kernels "$(uname -r)"' >/dev/null 2>&1 &
    }
else
    nohup sh -c 'sleep 10; %{_bindir}/akmods --akmod %{name} --kernels "$(uname -r)"' >/dev/null 2>&1 &
fi

echo "Kernel module compilation scheduled."

%preun -n akmod-%{name}
if [ $1 -eq 0 ]; then # Last package removal
    # Clean up kmod files for all installed kernels
    for kver in $(find /lib/modules -name "corefreqk.ko" -exec dirname {} \; 2>/dev/null | sed 's|.*/modules/||;s|/.*||' | sort -u); do
        rm -rf "/lib/modules/$kver/extra/corefreq" "/lib/modules/$kver/updates/corefreqk.ko" 2>/dev/null || true
        /sbin/depmod -a "$kver" 2>/dev/null || true
    done
    # Clean up modules-load configuration
    rm -f %{_sysconfdir}/modules-load.d/corefreq.conf
fi

%files
%license LICENSE
%doc README.md
%{_bindir}/corefreq-cli
%{_bindir}/corefreqd
%{_unitdir}/corefreqd.service
%{_sysconfdir}/modules-load.d/corefreq.conf

%files -n akmod-%{name}
%{_usrsrc}/akmods/corefreq-kmod-%{version}-*.src.rpm
%{_usrsrc}/akmods/corefreq-kmod.latest

%changelog
* Wed Oct 29 2025 Package Maintainer <package@example.com> - 2.0.8-25
- Refactor to use systemd-modules-load for module management
- Removed custom monitor service for a simpler, more robust design