LOCAL_BIN := $(HOME)/.local/bin
CONFIG_DIR := $(if $(XDG_CONFIG_HOME), $(XDG_CONFIG_HOME), $(HOME)/.config)
SYSTEMD_DIR := $(CONFIG_DIR)/systemd/user
FONT_DIR := $(HOME)/.local/share/fonts
ZSH_DIR := $(if $(ZSH), $(ZSH), $(HOME)/.oh-my-zsh)
ZSH_CUSTOM_DIR := $(if $(ZSH_CUSTOM), $(ZSH_CUSTOM), $(ZSH)/custom)

CONFIG_ITEMS := $(wildcard config/*)
CONFIG_TARGETS := $(CONFIG_ITEMS:config/%=$(CONFIG_DIR)/%)
SYSTEMD_ITEMS := $(wildcard systemd/*)
SYSTEMD_TARGETS := $(SYSTEMD_ITEMS:systemd/%=$(SYSTEMD_DIR)/%)
FONT_ITEMS := $(wildcard nerdfont_symbols/*)
FONT_TARGETS := $(FONT_ITEMS:nerdfont_symbols/%=$(FONT_DIR)/%)
BIN_ITEMS := $(wildcard bin/*)
BIN_TARGETS := $(BIN_ITEMS:bin/%=$(LOCAL_BIN)/%)
ZSH_ITEMS := $(wildcard *.zsh)
ZSH_TARGETS := $(ZSH_ITEMS:%.zsh=$(ZSH_CUSTOM_DIR)/custom/%.zsh)

PACKER_REPO := https://github.com/wbthomason/packer.nvim
PACKER_DIR := $(HOME)/.local/share/nvim/site/pack/packer/start/packer.nvim
POWERLEVEL_REPO := https://github.com/romkatv/powerlevel10k.git
POWERLEVEL_DIR := $(ZSH_CUSTOM_DIR)/themes/powerlevel10k

.PHONY := all force clean config bin zsh

all: config bin zsh

force: clean all

clean:
	echo "TODO"

config: $(CONFIG_TARGETS) $(SYSTEMD_TARGETS) $(FONT_TARGETS)

bin: $(BIN_TARGETS) $(PACKER_DIR)

$(CONFIG_TARGETS): $(CONFIG_DIR)/%: config/%
$(SYSTEMD_TARGETS): $(SYSTEMD_DIR)/%: systemd/%
$(FONT_TARGETS): $(FONT_DIR)/%: nerdfont_symbols/%
$(CONFIG_TARGETS) $(SYSTEMD_TARGETS) $(FONT_TARGETS):
	ln -s $(PWD)/$? $@

$(BIN_TARGETS): $(LOCAL_BIN)/%: bin/%
	command -v $? 2> /dev/null || ln -s $(PWD)$? $@

$(HOME)/.ssh/config: $(HOME)/.ssh
	cp -n templates/ssh-config $@

$(PACKER_DIR):
	git clone --depth 1 $(PACKER_REPO) $@

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

$(ZSH_CUSTOM_DIR): $(ZSH_DIR)

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

$(ZSH_TARGETS): $(ZSH_CUSTOM_DIR)/%.zsh: %.zsh
	ln -s $(PWD)/$? $@

$(HOME)/.gitconfig:
	grep "editor" $@ > /dev/null || git config --global core.editor "nvim"
	grep "pull.rebase" $@ > /dev/null || git config --global pull.rebase false

$(LOCAL_BIN) $(CONFIG_DIR) $(SYSTEMD_DIR) $(FONT_DIR) $(HOME)/.ssh $(HOME)/.ssh/sockets:
	mkdir -p $@