CONFIG_DIR := $(if $(XDG_CONFIG_HOME), $(XDG_CONFIG_HOME), $(HOME)/.config)
FONT_DIR := $(HOME)/.local/share/fonts
ZSH_DIR := $(if $(ZSH), $(ZSH), $(HOME)/.oh-my-zsh)
SSH_DIR := $(HOME)/.ssh

ZSH_CUSTOM_DIR := $(if $(ZSH_CUSTOM), $(ZSH_CUSTOM), $(ZSH_DIR)/custom)

HOME_ITEMS := $(wildcard home/*)
HOME_TARGETS := $(HOME_ITEMS:home/%=$(HOME)/.%)
CONFIG_ITEMS := $(wildcard config/*)
CONFIG_TARGETS := $(CONFIG_ITEMS:config/%=$(CONFIG_DIR)/%)
ZSH_ITEMS := $(wildcard ohmyzsh/*.zsh)
ZSH_TARGETS := $(ZSH_ITEMS:ohmyzsh/%.zsh=$(ZSH_CUSTOM_DIR)/%.zsh)
SSH_ITEMS := $(wildcard ssh/*)
SSH_TARGETS := $(SSH_ITEMS:ssh/%=$(SSH_DIR)/%)

POWERLEVEL_REPO := https://github.com/romkatv/powerlevel10k.git
POWERLEVEL_DIR := $(ZSH_CUSTOM_DIR)/themes/powerlevel10k
ZSH_SYNTAX_REPO := https://github.com/zsh-users/zsh-syntax-highlighting.git
ZSH_SYNTAX_DIR := $(ZSH_CUSTOM_DIR)/plugins/zsh-syntax-highlighting
TPM_REPO := https://github.com/tmux-plugins/tpm
TPM_DIR := $(HOME)/.tmux/plugins/tpm

.PHONY: all clean link unlink install uninstall pacman

all: link install

clean: unlink uninstall

link: $(HOME_TARGETS) $(CONFIG_TARGETS) $(SSH_TARGETS) $(HOME)/.ssh/sockets

unlink:
	for link in $(HOME_TARGETS); do rm "$$link"; done
	for link in $(CONFIG_TARGETS); do rm "$$link"; done
	for link in $(SSH_TARGETS); do rm "$$link"; done
	rmdir $(HOME)/.ssh/sockets

install: $(ZSH_DIR) $(POWERLEVEL_DIR) $(ZSH_SYNTAX_DIR) $(ZSH_TARGETS) $(TPM_DIR)
	python3 -m pip list | grep -E "libtmux.*0\.16\.1" > /dev/null ||\
		python3 -m pip install --user libtmux==0.16.1

uninstall:
	rm -rf $(ZSH_DIR)

pacman:
	sort -h pkglist.txt -o pkglist.txt
	pacman -T - < pkglist.txt ||\
		sudo pacman --needed -S - < pkglist.txt

$(HOME_TARGETS): $(HOME)/.%: home/%
$(CONFIG_TARGETS): $(CONFIG_DIR)/%: config/%
$(ZSH_TARGETS): $(ZSH_CUSTOM_DIR)/%.zsh: ohmyzsh/%.zsh
$(SSH_TARGETS): $(SSH_DIR)/%: ssh/%
$(HOME_TARGETS) $(CONFIG_TARGETS) $(ZSH_TARGETS) $(SSH_TARGETS):
	ln -s $(PWD)/$? $@

$(POWERLEVEL_DIR): $(ZSH_DIR)
	git clone --depth 1 $(POWERLEVEL_REPO) $@

$(ZSH_SYNTAX_DIR): $(ZSH_DIR)
	git clone --depth 1 $(ZSH_SYNTAX_REPO) $@

$(TPM_DIR):
	git clone --depth 1 $(TPM_REPO) $@

$(ZSH_DIR):
	sh -c "$$(curl -fsSL https://raw.githubusercontent.com/ohmyzsh/ohmyzsh/master/tools/install.sh)"

$(CONFIG_DIR) $(SSH_DIR) $(HOME)/.ssh/sockets:
	mkdir -p $@