CONFIG_DIR := $(if $(XDG_CONFIG_HOME), $(XDG_CONFIG_HOME), $(HOME)/.config)
SSH_DIR := $(HOME)/.ssh

CONFIG_ITEMS := $(wildcard config/*)
CONFIG_TARGETS := $(CONFIG_ITEMS:config/%=$(CONFIG_DIR)/%)
SSH_ITEMS := $(wildcard ssh/*)
SSH_TARGETS := $(SSH_ITEMS:ssh/%=$(SSH_DIR)/%)

LAZY_REPO := https://github.com/folke/lazy.nvim.git
LAZY_DIR := $(HOME)/.local/share/nvim/lazy/lazy.nvim

.PHONY: all clean link unlink install uninstall pacman

all: link install

clean: unlink uninstall

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

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

install: $(LAZY_DIR)

uninstall:
	rm -rf $(LAZY_DIR)

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

$(CONFIG_TARGETS): $(CONFIG_DIR)/%: config/%
$(SSH_TARGETS): $(SSH_DIR)/%: ssh/%
$(CONFIG_TARGETS) $(SSH_TARGETS):
	ln -s $(PWD)/$? -t $$(dirname $@)

$(HOME)/.profile: .profile
	ln -s $(PWD)/$? -t $$(dirname $@)

$(LAZY_DIR):
	git clone --depth 1 $(LAZY_REPO) $@

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