#!/bin/sh

# Export filepaths
export BUILDDIR=@CMAKE_CURRENT_SOURCE_DIR@/build
export BUILDROOT=~/rpmbuild/
export RPMSRC=~/rpmbuild/SOURCES
export RPMSPEC=~/rpmbuild/SPECS
export RPMBUILD=~/rpmbuild/BUILD

# Check for Docker switch
if [ "$1" == "-d" ]; then
	export DOCKERSTATUS=TRUE
else
	export DOCKERSTATUS=FALSE
fi

# Check if user's rpmbuild folder is there, if so, temoprairly rename it.
if [ -d ~/rpmbuild ]; then
	echo "Backing up rpmbuild"
	~/rpmbuild ~/rpmbuild.bkp
	export RPMBUILDEXISTS=TRUE
else
	export RPMBUILDEXISTS=FALSE
fi

# Create rpmbuild folder structure
mkdir ~/rpmbuild
mkdir ~/rpmbuild/BUILD
mkdir ~/rpmbuild/BUILDROOT
mkdir ~/rpmbuild/RPMS
mkdir ~/rpmbuild/SOURCES
mkdir ~/rpmbuild/SPECS
mkdir ~/rpmbuild/SRPMS

# Create sunshine .spec file with preinstall and postinstall scripts
cat << 'EOF' > $RPMSPEC/sunshine.spec
Name:           sunshine
Version:        @PROJECT_VERSION@
Release:        1%{?dist}
Summary:        An NVIDIA Gamestream-compatible hosting server
BuildArch:      x86_64

License:        GPLv3
URL:            https://github.com/SunshineStream/Sunshine
Source0:        sunshine-@PROJECT_VERSION@_bin.tar.gz

Requires:       systemd

%description
An NVIDIA Gamestream-compatible hosting server

%pre
#!/bin/sh

# Sunshine Pre-Install Script
# Store backup for old config files to prevent it from being overwritten
if [ -f /etc/sunshine/sunshine.conf ]; then
        cp /etc/sunshine/sunshine.conf /etc/sunshine/sunshine.conf.old
fi

if [ -f /etc/sunshine/apps_linux.json ]; then
        cp /etc/sunshine/apps_linux.json /etc/sunshine/apps_linux.json.old
fi

%post
#!/bin/sh

# Sunshine Post-Install Script
export GROUP_INPUT=input

if [ -f /etc/group ]; then
        if ! grep -q $GROUP_INPUT /etc/group; then
                echo "Creating group $GROUP_INPUT"

                groupadd $GROUP_INPUT
        fi
else
        echo "Warning: /etc/group not found"
fi

if [ -f /etc/sunshine/sunshine.conf.old ]; then
	echo "Restoring old sunshine.conf"
	mv /etc/sunshine/sunshine.conf.old /etc/sunshine/sunshine.conf
fi

if [ -f /etc/sunshine/apps_linux.json.old ]; then
	echo "Restoring old apps_linux.json"
	mv /etc/sunshine/apps_linux.json.old /etc/sunshine/apps_linux.json
fi

# Update permissions on config files for Web Manager
if [ -f /etc/sunshine/apps_linux.json ]; then
	echo "chmod 666 /etc/sunshine/apps_linux.json"
	chmod 666 /etc/sunshine/apps_linux.json
fi

if [ -f /etc/sunshine/sunshine.conf ]; then
	echo "chmod 666 /etc/sunshine/sunshine.conf"
	chmod 666 /etc/sunshine/sunshine.conf
fi

# Ensure Sunshine can grab images from KMS
path_to_setcap=$(which setcap)
if [ -x "$path_to_setcap" ] ; then
  echo "$path_to_setcap cap_sys_admin+p /usr/bin/sunshine"
	$path_to_setcap cap_sys_admin+p /usr/bin/sunshine
fi

%prep
%setup -q

%install
rm -rf $RPM_BUILD_ROOT
mkdir -p $RPM_BUILD_ROOT/%{_bindir}
mkdir -p $RPM_BUILD_ROOT/etc/sunshine
mkdir -p $RPM_BUILD_ROOT/usr/lib/systemd/user
mkdir -p $RPM_BUILD_ROOT/usr/share/applications
mkdir -p $RPM_BUILD_ROOT/etc/udev/rules.d

cp sunshine $RPM_BUILD_ROOT/%{_bindir}/sunshine
cp sunshine.conf $RPM_BUILD_ROOT/etc/sunshine/sunshine.conf
cp apps_linux.json $RPM_BUILD_ROOT/etc/sunshine/apps_linux.json
cp sunshine.service $RPM_BUILD_ROOT/usr/lib/systemd/user/sunshine.service
cp sunshine.desktop $RPM_BUILD_ROOT/usr/share/applications/sunshine.desktop
cp 85-sunshine-rules.rules $RPM_BUILD_ROOT/etc/udev/rules.d/85-sunshine-rules.rules

%clean
rm -rf $RPM_BUILD_ROOT

%files
%{_bindir}/sunshine
/usr/lib/systemd/user/sunshine.service
/etc/sunshine/sunshine.conf
/etc/sunshine/apps_linux.json
/usr/share/applications/sunshine.desktop
/etc/udev/rules.d/85-sunshine-rules.rules

%changelog
* Sat Mar 12 2022 h <65380846+thatsysadmin@users.noreply.github.com>
- Initial packaging of Sunshine.
EOF

# Copy over sunshine binary and supplemental files into rpmbuild/BUILD/
mkdir genrpm
mkdir genrpm/sunshine-@PROJECT_VERSION@
cp sunshine-@PROJECT_VERSION@ genrpm/sunshine-@PROJECT_VERSION@/sunshine
cp sunshine.service genrpm/sunshine-@PROJECT_VERSION@/sunshine.service
cp sunshine.desktop genrpm/sunshine-@PROJECT_VERSION@/sunshine.desktop
cp @CMAKE_CURRENT_SOURCE_DIR@/assets/sunshine.conf genrpm/sunshine-@PROJECT_VERSION@/sunshine.conf
cp @CMAKE_CURRENT_SOURCE_DIR@/assets/apps_linux.json genrpm/sunshine-@PROJECT_VERSION@/apps_linux.json
cp @CMAKE_CURRENT_SOURCE_DIR@/assets/85-sunshine-rules.rules genrpm/sunshine-@PROJECT_VERSION@/85-sunshine-rules.rules
cd genrpm

# tarball everything as if it was a source file for rpmbuild
tar --create --file sunshine-@PROJECT_VERSION@_bin.tar.gz sunshine-@PROJECT_VERSION@/
cp sunshine-@PROJECT_VERSION@_bin.tar.gz ~/rpmbuild/SOURCES

# Use rpmbuild to build the RPM package.
rpmbuild -bb $RPMSPEC/sunshine.spec

# Check if running in a CT
if [ "$DOCKERSTATUS" == "FALSE" ]; then
	# Move the completed RPM into the cmake build folder
	mv ~/rpmbuild/RPMS/x86_64/sunshine-@PROJECT_VERSION@-1.fc*.x86_64.rpm @CMAKE_CURRENT_BINARY_DIR@/
	echo "Moving completed RPM package into CMake build folder."
elif [ "$DOCKERSTATUS" == "TRUE" ]; then
	# Move into pickup location
	mkdir -p /root/sunshine-build/package-rpm/
	mv ~/rpmbuild/RPMS/x86_64/sunshine-@PROJECT_VERSION@-1.fc*.x86_64.rpm /root/sunshine-build/package-rpm/sunshine.rpm
	echo "Moving completed RPM package for pickup."
fi

# Clean up; delete the rpmbuild folder we created and move back the original one
if [ "$RPMBUILDEXISTS" == "TRUE" ]; then
        echo "Removing and replacing original rpmbuild folder."
        rm -rf ~/rpmbuild
        mv ~/rpmbuild.bkp ~/rpmbuild
fi
exit 0