#!/bin/sh
#

# Check for pre-existing dirs
EXIT_FLAG=0
LOG_ANSI="\033[1m"
for dir in $HOME/.fonts $HOME/.xinitrc $HOME/.dwm $HOME/dwm $HOME/.mkshrc $HOME/.tmux.conf; do
	if [ -e "$dir" ] || [ -d "$dir" ]; then
		echo $LOG_ANSI"Please [re]move $dir\033[0m"
		EXIT_FLAG=1
	fi
done

[ $EXIT_FLAG -ne 0 ] && exit 1;

# Builds a project that has a makefile
make_make(){
	local path="$1"
	cd "$path"
	echo $LOG_ANSI"Installing $1\033[0m (requires sudo)"
	sudo make install
	if [ $? -ne 0 ]; then
		echo $LOG_ANSI"Error occurred building: $1\033[0m"
		exit 1;
	fi
	cd -
}

# Catches errors when cloning
safe_git_clone(){
	local url="$1"
	git clone "$url"
	if [ $? -ne 0 ]; then
		echo $LOG_ANSI"Failed to clone $url\033[0m"
		exit 1;
	fi
}

# Symbolically links files with a few
# extra saftey checks.
safe_ln(){
	local a="$1" b="$2"
	[ "$3" = "--make-dir" ] &&
		mkdir -p "$b"

	ln -s "$a" "$b"
	if [ $? -ne 0 ]; then
		echo $LOG_ANSI"Failed to link $a to $b\033[0m"
		exit 1;
	else echo $LOG_ANSI"Linked $a to $b\033[0m"; fi
}

safe_pip3(){
	local package="$1"
	pip3 install "$package"
	if [ $? -ne 0 ]; then
		echo $LOG_ANSI"Failed to install $package\033[0m"
	else echo $LOG_ANSI"Installed $package\033[0m"; fi
}

# Download the rice source
cd $HOME
safe_git_clone "https://github.com/x3hy/dwm"
mv dwm .dwm
cd .dwm/source

# Build packaged source code
make_make dwm
make_make st
make_make dmenu

# Download and install unclutter if not installed
if ! command -v "unclutter" >/dev/null 2>&1; then
	safe_git_clone https://github.com/Airblader/unclutter-xfixes
	make_make unclutter-xfixes
else echo $LOG_ANSI"Skipping unclutter \033[0m(already installed)"; fi

# Download and install hellwal if not installed
if ! command -v "hellwal" >/dev/null 2>&1; then
	safe_git_clone https://github.com/danihek/hellwal/
	make_make hellwal
else echo $LOG_ANSI"Skipping hellwal \033[0m(already installed)"; fi

if ! command -v "sxot" >/dev/null 2>&1; then
	echo $LOG_ANSI"Installing sxot\033[0m"
	safe_git_clone https://codeberg.org/NRK/sxot
	cd sxot
	cc -o sxot sxot.c -O3 -s -l X11 -l Xfixes
	sudo install -Dm755 sxot /usr/local/bin/sxot
	sudo install -Dm644 sxot.1 /usr/local/share/man/man1/sxot.1
	cd -
else echo $LOG_ANSI"Skipping sxot \033[0m(already installed)"; fi

if ! command -v "selx" >/dev/null 2>&1; then
	echo $LOG_ANSI"Installing selx\033[0m"
	safe_git_clone https://codeberg.org/NRK/selx
	cd selx
	cc -o selx selx.c -O3 -s -l X11 -l Xrandr
	sudo install -Dm755 selx /usr/local/bin/selx
	sudo install -Dm644 selx.1 /usr/local/share/man/man1/selx.1
	cd -
else echo $LOG_ANSI"Skipping selx \033[0m(already installed)"; fi

# Move into config folder
cd ../config

# Install statnot
if ! which "statnot" >/dev/null 2>&1 ; then
	sudo ln -s $HOME/.dwm/source/statnot/statnot /usr/local/bin/statnot
	if [ $? -ne 0 ]; then
		echo $LOG_ANSI"Failed to link statnot\033[0m"
		exit 1;
	else echo $LOG_ANSI"Installed statnot\033[0m"; fi

	python3 -c "import dbus" >/dev/null 2>&1
	if [ $? -ne 0 ]; then
		safe_pip3 "dbus-python"
		safe_pip3 "pygobject"
		safe_pip3 "psutil"
	fi
fi

# Link various configs
safe_ln $HOME/.dwm/config/mkshrc $HOME/.mkshrc
safe_ln $HOME/.dwm/config/xinitrc $HOME/.xinitrc
safe_ln $HOME/.dwm/config/tmux.conf $HOME/.tmux.conf
safe_ln $HOME/.dwm/config/fonts $HOME/.fonts

touch $HOME/.mksh_history

echo $LOG_ANSI"Reloading font cache\033[0m"
fc-cache -fv >/dev/null

# Return to the ~.dwm dir
cd ..

echo ""
echo $LOG_ANSI"Install the following system packages:"
echo "NAME        | DESCRIPTION"
echo "playerctl   | MRPIS reader used in the statusbar"
echo "picom       | Compositor for fancy visual effects"
echo "ImageMagick | Image utility, used for screenshots"
echo "feh         | Used to set the desktop background\033[0m"