#!/usr/bin/env bash
#
#						Colors
#
# bold
bred="printf \033[1;31m"
bgreen="printf \033[1;32m"
bblue="printf \033[1;34m"
bwhite="printf \033[1;37m"
# high intensity
ired="printf \033[0;91m"
igreen="printf \033[0;92m"
iblue="printf \033[0;94m"
iwhite="printf \033[0;97m"
# no color
off="printf \033[0m"

#
#						Variables
#
distroName="$(cat /etc/*-release | grep -w "NAME")"
distroPrettyName="$(cat /etc/*-release | grep -w "PRETTY_NAME" | sed "s/PRETTY_NAME=//")"
installDirectory="$(pwd)"

################################################################		START OF SCRIPT		################################################################

#
#						Initial prompt
#
$bgreen; echo "###########################"
$bgreen; echo "# XMRig auto-build script #"
$bgreen; echo "###########################"
$bwhite; echo -n "Install into "
$bblue; echo -n "${installDirectory}? "
$bwhite; echo -n "(Y/n) "
$off
	read yn
	if [[ $yn = "" || $yn = "y" || $yn = "Y" ||$yn = "yes" ||$yn = "Yes" ]]; then
		$iblue; echo "Starting..."
	else
		$ired; echo "Exiting..."
		exit
	fi

#
#						Finding package manager (apt, pacman, dnf)
#
Search_For_PackageManager()
{
	local packageManager="$1"
	if [[ -f $packageManager ]]; then
		$bgreen; echo -n "$distroPrettyName"
		$iwhite; echo -n " detected: using "
		$bgreen; echo "$2"
		found="yes"
		foundPackageManager="$2"
		$off
	fi
}
Search_For_PackageManager "/usr/bin/apt" "apt" || exit
Search_For_PackageManager "/usr/bin/pacman" "pacman" || exit
Search_For_PackageManager "/usr/bin/dnf" "dnf" || exit
if [[ $found != "yes" ]]; then
	$bred; echo "Package Manager not found/supported!"
	$ired; echo "Exiting script..."
	exit
fi

#
#						Installing dependencies
#
$bblue; echo -n "Install dependencies? (Y/n) " ;$off
read yn
if [[ $yn = "" || $yn = "y" || $yn = "Y" ||$yn = "yes" ||$yn = "Yes" ]]; then
	case $foundPackageManager in
		apt)
			sudo apt install git build-essential cmake automake libtool autoconf
			;;
		pacman)
			sudo pacman -S git base-devel cmake
			;;
		dnf)
			sudo dnf install -y git make cmake gcc gcc-c++ libstdc++-static automake libtool autoconf
	esac
	if [[ $? != 0 ]]; then
		$bred; echo "Installing dependencies failed, exiting..."
		exit
	fi
else
	$iblue; echo "Skipping dependencies..."
fi
#
#						Build commands from xmrig.com
#
echo
$bblue; echo -n "Start XMRig auto-build? (Y/n) " ;$off
read yn
if [[ $yn = "" || $yn = "y" || $yn = "Y" ||$yn = "yes" ||$yn = "Yes" ]]; then
	$iblue; echo "Starting..." ;$off
else
	$ired; echo "Exiting..." ;$off
	exit
fi
Build_Commands()
{
	cd $installDirectory
	mkdir build
	cd scripts
	./build_deps.sh
	# 2022-03-10: openssl fails to compile on fedora, libressl is used instead
	if [[ $foundPackageManager = "dnf" ]]; then
		./build_libressl.sh
	fi
	cd ../build
	cmake .. -DXMRIG_DEPS=scripts/deps
	make -j$(nproc)
}

Build_Commands
if [[ $? != 0 ]]; then
	$bred; echo "XMRig auto-build failed, cleaning up files..."
	sudo rm -r "$installDirectory"
	$ired; echo "Exiting..."
	exit
else
	echo
	$bgreen; echo "XMRig auto-build done!"
	$bwhite; echo -n "Delete source code? (leaves xmrig and config.json) (Y/n) " ;$off

# moves xmrig/config.json into /xmrig/tmp_autobuild/, deletes everything in /xmrig/, then moves them back and deletes /xmrig/tmp_autobuild/
# rm needs sudo because .git files are write-protected

	read yn
	if [[ $yn = "" || $yn = "y" || $yn = "Y" ||$yn = "yes" ||$yn = "Yes" ]]; then
		$iblue; echo "Cleaning up..." ;$off
			cd $installDirectory
			mkdir "$installDirectory/tmp_autobuild"
			mv "$installDirectory/build/xmrig" "$installDirectory/tmp_autobuild/"
			mv "$installDirectory/src/config.json" "$installDirectory/tmp_autobuild/"
			ls | grep -v "tmp_autobuild" | xargs sudo rm -r > /dev/null
			mv "$installDirectory/tmp_autobuild/xmrig" $installDirectory
			mv "$installDirectory/tmp_autobuild/config.json" $installDirectory
			rm -r "$installDirectory/tmp_autobuild" > /dev/null
	else
		$iblue; echo "Skipping cleanup..."
	fi
fi

#
#						End
#
echo
$bgreen; echo "#####################################"
$bgreen; echo "# XMRig auto-build script complete! #"
$bgreen; echo "#####################################"
# shows different locations dependent on if source files are deleted or not
if [[ $yn = "" || $yn = "y" || $yn = "Y" ||$yn = "yes" ||$yn = "Yes" ]]; then
	$bwhite; echo -n "XMRig Location: "
	$bblue; echo $installDirectory
else
	$bwhite; echo "Location: "
	$iwhite; echo -n "xmrig: " ;$bblue; echo "$installDirectory/build/xmrig"
	$iwhite; echo -n "config.json: " ;$bblue; echo "$installDirectory/src/config.json"
fi