#!/bin/bash

set -e


files=".config/fish \
.config/git \
.config/omf \
.config/starship.toml \
.local/share/omf \
.emacs \
.tmux.conf.local"


function this_script_root_dir() {
	dirname $(realpath ${BASH_SOURCE[0]})
}

function run() {
#	echo "$@"
	$@
}

function load_gnome_terminal_profiles() {
	if which dconf 1>/dev/null
	then
		run dconf load /org/gnome/terminal/legacy/profiles:/ < $(this_script_root_dir)/gnome-terminal-profiles.dconf
	fi
}

function use_fish() {
    if ! which fish 1>/dev/null
    then
		echo "Installing fish"
		run sudo apt-get install -y fish
	else
		echo "Fish is installed"
    fi

    fish=$(which fish)
    current_shell=$(grep $USER /etc/passwd | cut -d ":" -f 7)
    if [ $current_shell != $fish ]
    then
		echo "Changing shell to $fish (you will be prompted for passwd)"
		run chsh -s $fish
	else
		echo "Default shell is $fish"
    fi
}

function use_direnv() {
    if ! which direnv 1>/dev/null
    then
		echo "Installing direnv"
		run sudo apt-get install -y direnv
	else
		echo "direnv is installed"
    fi
}

function use_starship() {
    if ! which starship 1>/dev/null
    then
		echo "Installing starship"
		run curl -sS https://starship.rs/install.sh | sh
	else
		echo "Starship is installed"
    fi
}

function install_ubuntu_mono_nerd() {
    if ! fc-list | grep "UbuntuMono Nerd" 1>/dev/null
    then
		pushd /tmp
		run wget https://github.com/ryanoasis/nerd-fonts/releases/download/v2.1.0/UbuntuMono.zip
		run unzip UbuntuMono.zip
		run mkdir -p ~/.local/share/fonts
		cp *.ttf ~/.local/share/fonts/
		run fc-cache -f
		popd
	else
		echo "UbuntuMono Nerd font is installed"
    fi

	if [ ! -e /usr/share/terminfo/x/xterm-direct ]
	then
		run sudo apt-get install -y ncurses-term
	else
		echo "xterm-direct is in terminfo database"
	fi
}

function install_deps() {
    use_fish
    use_direnv
    use_starship
    install_ubuntu_mono_nerd
}


function install_home() {
    install_deps
	for f in $files
	do
		run rm -Rf $HOME/$f
		dir=$(dirname $f)
		if [ ! "$dir" = "." ]
		then
			run mkdir -p $HOME/$dir
		fi
		run ln -sf $(this_script_root_dir)/$f $HOME/$f
	done
	run ln -sf $(this_script_root_dir)/.tmux/.tmux.conf $HOME/.tmux.conf
	load_gnome_terminal_profiles
	/usr/bin/fish -c 'omf install'
}


pushd $(this_script_root_dir) 1>/dev/null
echo "Updating git.tuleu.science:atuleu/home.git"
git pull 1>/dev/null
git submodule init 1>/dev/null
git submodule update 1>/dev/null
popd 1>/dev/null
install_home
echo "git.tuleu.science:atuleu/home.git updated and set"