CC      ?= gcc
CFLAGS  ?= -std=c99 -Wall -Wextra -O3 -Isrc $(shell pkg-config --cflags xft 2>/dev/null || echo -I/usr/include/freetype2)
LDFLAGS ?= -lX11 -lXinerama -lXft -lm

PREFIX  ?= /usr/local
BIN     := sxbar
SRC_DIR := src
OBJ_DIR := build
SRC     := $(wildcard $(SRC_DIR)/*.c)
OBJ     := $(patsubst $(SRC_DIR)/%.c,$(OBJ_DIR)/%.o,$(SRC))
DEP     := $(OBJ:.o=.d)

MAN     := sxbar.1
MAN_DIR := $(PREFIX)/share/man/man1

all: $(BIN)

$(BIN): $(OBJ)
	$(CC) $(CFLAGS) -o $@ $^ $(LDFLAGS)

$(OBJ_DIR)/%.o: $(SRC_DIR)/%.c | $(OBJ_DIR)
	@mkdir -p $(dir $@)
	$(CC) $(CFLAGS) -MMD -MP -c -o $@ $<

-include $(DEP)

$(OBJ_DIR):
	@mkdir -p $@

clean:
	@rm -rf $(OBJ_DIR) $(BIN)

install: all
	@echo "Installing $(BIN) to $(DESTDIR)$(PREFIX)/bin..."
	@mkdir -p "$(DESTDIR)$(PREFIX)/bin"
	@install -m 755 $(BIN) "$(DESTDIR)$(PREFIX)/bin/$(BIN)"
	@echo "Installing man page to $(DESTDIR)$(MAN_DIR)..."
	@mkdir -p $(DESTDIR)$(MAN_DIR)
	@install -m 644 $(MAN) $(DESTDIR)$(MAN_DIR)/
	@echo "Copying default configuration to $(DESTDIR)$(PREFIX)/share/sxbarc..."
	@mkdir -p "$(DESTDIR)$(PREFIX)/share"
	@install -m 644 default_sxbarc "$(DESTDIR)$(PREFIX)/share/sxbarc"
	@echo "Installing example prefix_cmd scripts to $(DESTDIR)$(PREFIX)/share/sxbar/scripts..."
	@mkdir -p "$(DESTDIR)$(PREFIX)/share/sxbar/scripts"
	@install -m 755 scripts/*.sh "$(DESTDIR)$(PREFIX)/share/sxbar/scripts/"
	@echo "Installation complete."

uninstall:
	@echo "Uninstalling $(BIN) from $(DESTDIR)$(PREFIX)/bin..."
	@rm -f "$(DESTDIR)$(PREFIX)/bin/$(BIN)"
	@echo "Uninstalling man page from $(DESTDIR)$(MAN_DIR)..."
	@rm -f $(DESTDIR)$(MAN_DIR)/$(MAN)
	@echo "Uninstalling example scripts from $(DESTDIR)$(PREFIX)/share/sxbar..."
	@rm -rf "$(DESTDIR)$(PREFIX)/share/sxbar"
	@echo "Uninstallation complete."

.PHONY: all clean install uninstall