# Makefile for archsetup dotfiles
# GNU Stow operations for managing dotfiles

STOW := stow --target=$(HOME) --no-folding
DOTFILES := $(shell pwd)/dotfiles

# Extract DE from command line (e.g., 'make stow dwm' -> DE=dwm)
DE := $(filter dwm hyprland,$(MAKECMDGOALS))

# Extract DEST from command line for import (e.g., 'make import common' -> DEST=common)
DEST := $(filter common dwm hyprland,$(MAKECMDGOALS))

.PHONY: help stow restow reset unstow import common dwm hyprland

# Default target - show help
help:
	@echo "Dotfiles Management (GNU Stow)"
	@echo ""
	@echo "Usage: make <target> <de|dest>"
	@echo ""
	@echo "Desktop Environments / Destinations:"
	@echo "  common     Shared configs (all setups)"
	@echo "  dwm        X11/DWM specific"
	@echo "  hyprland   Wayland/Hyprland specific"
	@echo ""
	@echo "Targets:"
	@echo "  stow       Create symlinks (fresh install) - requires DE"
	@echo "  restow     Refresh symlinks (unlink + relink) - requires DE"
	@echo "  reset      Resolve conflicts, keep repo version - requires DE"
	@echo "  unstow     Remove all symlinks - requires DE"
	@echo "  import     Import new app configs into repo (fzf) - requires dest"
	@echo ""
	@echo "Examples:"
	@echo "  make stow dwm          # Fresh DWM install (common + dwm)"
	@echo "  make stow hyprland     # Fresh Hyprland install (common + hyprland)"
	@echo "  make restow dwm        # Refresh DWM links after git pull"
	@echo "  make reset hyprland    # Resolve conflicts, keep repo version"
	@echo "  make import common     # Import configs to common/"
	@echo "  make import hyprland   # Import configs to hyprland/"
	@echo ""

# Prevent 'common', 'dwm' and 'hyprland' from being treated as file targets
common dwm hyprland:
	@:

# Validate DE was provided (for stow/restow/reset/unstow)
check-de:
ifeq ($(DE),)
	@echo "Error: Desktop environment required (dwm or hyprland)."
	@echo ""
	@$(MAKE) --no-print-directory help
	@exit 1
endif

# Validate DEST was provided (for import)
check-dest:
ifeq ($(DEST),)
	@echo "Error: Destination required (common, dwm, or hyprland)."
	@echo ""
	@$(MAKE) --no-print-directory help
	@exit 1
endif

# Stow - create symlinks
stow: check-de
	@echo "Stowing common + $(DE)..."
	@cd $(DOTFILES) && $(STOW) common
	@cd $(DOTFILES) && $(STOW) $(DE)
	@echo "Done."

# Restow - refresh symlinks (unlink + relink)
restow: check-de
	@echo "Restowing common + $(DE)..."
	@cd $(DOTFILES) && $(STOW) --restow common
	@cd $(DOTFILES) && $(STOW) --restow $(DE)
	@echo "Done."

# Reset - resolve conflicts by adopting then reverting to repo version
reset: check-de
	@echo "Resetting common + $(DE)..."
	@cd $(DOTFILES) && $(STOW) --adopt common
	@cd $(DOTFILES) && $(STOW) --adopt $(DE)
	@echo "Reverting adopted files to repo version..."
	@git checkout -- dotfiles/
	@echo "Done. Symlinks created, repo unchanged."

# Unstow - remove symlinks
unstow: check-de
	@echo "Unstowing common + $(DE)..."
	@cd $(DOTFILES) && $(STOW) --delete common
	@cd $(DOTFILES) && $(STOW) --delete $(DE)
	@echo "Done."

# Import - select and import new app configs into repo
import: check-dest
	@echo "Select directories to import (Tab to multi-select, Enter to confirm):"
	@echo ""
	@selections=$$({ \
		find $(HOME) -maxdepth 1 -mindepth 1 -name '.*' -type d 2>/dev/null | grep -v '\.cache\|\.local\|\.config' | sed 's|$(HOME)/||'; \
		find $(HOME)/.config -maxdepth 1 -mindepth 1 -type d 2>/dev/null | sed 's|$(HOME)/||'; \
		find $(HOME)/.local -maxdepth 2 -mindepth 1 -type d 2>/dev/null | sed 's|$(HOME)/||'; \
	} | sort -u | fzf --multi --prompt="Import to $(DEST)> " --header="Select configs to import into dotfiles/$(DEST)/"); \
	if [ -z "$$selections" ]; then \
		echo "No selections made."; \
		exit 0; \
	fi; \
	echo ""; \
	for dir in $$selections; do \
		src="$(HOME)/$$dir"; \
		dest="$(DOTFILES)/$(DEST)/$$dir"; \
		if [ -d "$$dest" ]; then \
			echo "Skipping $$dir (already exists in dotfiles/$(DEST))"; \
		else \
			echo "Importing $$dir to $(DEST)..."; \
			mkdir -p "$$(dirname $$dest)"; \
			mv "$$src" "$$dest"; \
		fi; \
	done; \
	echo ""; \
	echo "Restowing $(DEST)..."; \
	cd $(DOTFILES) && $(STOW) --restow $(DEST); \
	echo ""; \
	echo "Done. Don't forget to: git add -A && git commit"