#!/bin/sh -e

. ./os.sh

apt_install() {
	DEBIAN_FRONTEND="noninteractive" sudo apt-get install -y "$@"
}

pacman_install() {
	sudo pacman -S --noconfirm --needed "$@"
}

yay_install() {
	packages=""
	for package in "$@"; do
		if ! pacman -Q "${package}" >/dev/null 2>&1; then
			packages="${packages} ${package}"
		fi
	done
	if [ ! -z "${packages}" ]; then
		yay -S --noconfirm --needed ${packages}
	fi
	for package in "$@"; do
		if ! pacman -Q "${package}" >/dev/null 2>&1; then
			return 1 # at least one of the packages has not been correctly installed!
		fi
	done
	return 0
}

pacaur_install() {
	pacaur -S --noconfirm --needed "$@"
}

yaourt_install() {
	yaourt -S --noconfirm --needed "$@"
}

pip3_install() {
	pip3 install --user -U "$@"
}

download() {
	curl -L "$@"
}

###

# Actual package installation code from here

# Arch Linux

if has_tags pm:pacman; then
	# libarchive for bsdtar
	sudo pacman -Sy
	pacman_install \
		base-devel \
		libarchive \
		tar \
		gzip \
		xz \
		jq \
		git

	# yay
	if ! has_tags pm:yay; then
		if has_tags pacaur; then
			pacaur_install yay
		elif has_tags yaourt; then
			yaourt_install yay
		else
			(
				dir="$(mktemp -d)"
				cd "${dir}"
				download https://aur.archlinux.org/cgit/aur.git/snapshot/yay.tar.gz | tar -xz --strip=1
				makepkg -sri --noconfirm
				cd
				rm -rf "${dir}"
			)
		fi
		add_tag pm:yay
	fi

	# from here on we should have yay available
	yay_install \
		zsh \
		zsh-syntax-highlighting

	if has_tags desktop; then
		yay_install \
			powerline-fonts \
			rxvt-unicode-better-wheel-scrolling-unicode3 \
			ttf-fantasque-sans-mono \
			urxvt-tabbedex \
			ibus
	else
		yay_install \
			rxvt-unicode-terminfo
	fi

	# pip
	if ! has_tags pm:pip3; then
		yay_install python-pip
		add_tag pm:pip3
	fi
fi

# Debian/Ubuntu-ish

if has_tags pm:apt; then
	sudo apt update
	apt_install \
		bsdtar \
		tar \
		gzip \
		xz-utils \
		python3-pip \
		zsh \
		zsh-syntax-highlighting \
		jq \
		git
	if has_tags desktop; then
		apt_install ibus
	fi
	add_tag pm:pip3
fi

# Python3

if has_tags pm:pip3; then
	pip3_install \
		powerline-status \
		thefuck
fi

# change default terminal to urxvt

if has_tags desktop; then
	if has_tags os_like:debian; then
		sudo update-alternatives --config urxvt
	fi
	for de in gnome cinnamon; do
		gsettings set org.${de}.desktop.default-applications.terminal exec /usr/bin/urxvt
		gsettings set org.${de}.desktop.default-applications.terminal exec-arg "-x"
	done
fi