#!/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 --ignore-installed --user -U "$@"
}

pipx_install() {
	for pkg in "$@"; do
		pipx install --force "$pkg"
	done
}

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

###

# Actual package installation code from here

# macOS brew

if has_tags pm:brew; then
	brew update
	brew install \
		coreutils \
		libarchive \
		gnu-tar \
		gzip \
		xz \
		jq \
		git \
		gnupg \
		md5sha1sum \
		rxvt-unicode \
		zsh \
		zsh-syntax-highlighting
fi

# Arch Linux

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

	# 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 \
		bat \
		customizepkg-git \
		zsh \
		zsh-syntax-highlighting \
		logo-ls \
		viddy

	if has_tags desktop; then
		yay_install \
			powerline-fonts \
			ttf-nerd-fonts-symbols \
			ttf-nerd-fonts-symbols-common \
			ttf-nerd-fonts-symbols-mono \
			ttf-fira-code \
			ttf-segoe-ui-variable \
			yakuake
	fi

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

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

# Debian/Ubuntu-ish

if has_tags pm:apt; then
	sudo apt update
	apt_install \
		'^(bsdtar|libarchive-tools)$' \
		tar \
		gzip \
		xz-utils \
		python3-pip \
		python3-venv \
		zsh \
		zsh-syntax-highlighting \
		bat \
		jq \
		git \
		gnupg2
	add_tag pm:pip3

	if has_tags desktop; then
		apt_install \
			yakuake
	fi
fi

# Python3

if has_tags pm:pip3 && ! has_tags pm:pipx; then
	pip3_install \
		pipx
	add_tag pm:pipx
fi

if has_tags pm:pipx; then
	pipx_install \
		powerline-status
fi

# change git user settings

set_git_config_if_unset() {
	local name
	local value
	name="$1"
	value="$2"
	if ! git config --global --get "$1" >/dev/null; then
		echo "Configuring global git setting: $1 = $2"
		git config --global "$1" "$2"
	fi
}

clear_git_config_if_pointing_nowhere() {
	local name
	name="$1"
	if git config --global --get "$1" >/dev/null && ! command -v $(git config --global --get "$1") >/dev/null; then
		echo "Resetting global git setting since it no longer points anywhere useful: $1"
		git config --global --unset "$1"
	fi
}

set_git_config_if_unset alias.change-commits '!f() { VAR=$1; OLD=$2; NEW=$3; shift 3; git filter-branch --env-filter \"if [[ \\\"$`echo $VAR`\\\" = '"'"'$OLD'"'"' ]]; then export $VAR='"'"'$NEW'"'"'; fi\" $@; }; f'
set_git_config_if_unset alias.glog 'log --all --pretty="format:%d %Cgreen%h%Creset %an - %s" --graph'
set_git_config_if_unset commit.gpgsign true
set_git_config_if_unset core.autocrlf input
set_git_config_if_unset core.editor "$EDITOR"
set_git_config_if_unset init.defaultBranch main
set_git_config_if_unset pull.rebase false
set_git_config_if_unset tag.gpgsign true
set_git_config_if_unset user.email "icedream@icedream.pw"
set_git_config_if_unset user.name "Carl Kittelberger"
#set_git_config_if_unset user.signingkey B5108C5A158A6608AD3361DA1573F6D8EFE4D0CF
set_git_config_if_unset user.signingkey 04ADEF85EA6AEC6F75941E84468BBEEBB9EC6AEA
set_git_config_if_unset push.autoSetupRemote true

# set up git-cola
set_git_config_if_unset cola.spellcheck false
set_git_config_if_unset cola.startupmode folder

# set up kdiff3 as mergetool if it is installed
clear_git_config_if_pointing_nowhere merge.tool
for bin in kdiff3 meld p4merge vimdiff; do
	if command -v "$bin" >/dev/null; then
		set_git_config_if_unset merge.tool "$bin"
	fi
done

# change default terminal to yakuake

gsettings_set() {
	gsettings set "$@" || true
}

if has_tags desktop; then
	if has_tags os_like:debian; then
		sudo update-alternatives --config yakuake
	fi
	for de in gnome cinnamon; do
		gsettings_set org.${de}.desktop.default-applications.terminal exec /usr/bin/yakuake
		gsettings_set org.${de}.desktop.default-applications.terminal exec-arg ""
	done
	gsettings_set org.cinnamon.desktop.interface font-name 'Sans 9'
	gsettings_set org.cinnamon.desktop.screensaver font-date 'Sans 24'
	gsettings_set org.cinnamon.desktop.screensaver font-message 'Sans 14'
	gsettings_set org.cinnamon.desktop.screensaver font-time 'Sans 64'
	gsettings_set org.cinnamon.desktop.wm.preferences titlebar-font 'Sans Bold 9'
	gsettings_set org.cinnamon.desktop.wm.preferences titlebar-uses-system-font false
	#gsettings_set org.gnome.desktop.interface document-font-name 'Cantarell 11'
	gsettings_set org.gnome.desktop.interface font-name 'Sans,  10'
	gsettings_set org.gnome.desktop.interface monospace-font-name 'Monospace Regular 10'
	gsettings_set org.gnome.desktop.wm.preferences titlebar-font 'Sans Bold 9'
	gsettings_set org.gnome.desktop.wm.preferences titlebar-uses-system-font false
	gsettings_set org.gnome.libgnomekbd.indicator font-family ''
	gsettings_set org.gnome.libgnomekbd.indicator font-size 9
	gsettings_set org.nemo.desktop font 'Sans 9'
	gsettings_set x.dm.slick-greeter font-name 'Sans 9'
fi

# Go privacy stuff

if has_tags go; then
	#go env -u GOPROXY
	#go env -u GOSUMDB
	go env -w \
		GOPROXY=direct \
		GOSUMDB=off
fi