# gKeyMapper - Build
# Dependencies: g++, pkg-config, msgfmt, libgtk-4-dev
# Installation: sudo apt install build-essential gettext libgtk-4-dev

CXX ?= g++
CXXFLAGS ?= -std=c++17 -O2 -Wall -Wextra -Wpedantic
PKG_CONFIG ?= pkg-config
MSGFMT ?= msgfmt

GTK_CFLAGS := $(shell $(PKG_CONFIG) --cflags gtk4)
GTK_LIBS   := $(shell $(PKG_CONFIG) --libs gtk4)

PACKAGE := gkeymapper
TARGET   := gkeymapper
SRC_DIR  := src
SOURCES  := $(SRC_DIR)/main.cpp
PREFIX   ?= /usr/local
LOCALEDIR := $(PREFIX)/share/locale
ASSETS_DIR := $(PREFIX)/share/$(PACKAGE)/assets

CXXFLAGS += -DPACKAGE=\"$(PACKAGE)\" -DLOCALEDIR=\"$(LOCALEDIR)\" -DASSETS_DIR=\"$(ASSETS_DIR)\"

# Translations
PO_FILES := $(wildcard po/*.po)
LANGS    := $(patsubst po/%.po,%,$(PO_FILES))
MO_FILES := $(patsubst %,locale/%/LC_MESSAGES/$(PACKAGE).mo,$(LANGS))

.PHONY: all clean run install translations

all: $(TARGET) translations

$(TARGET): $(SOURCES)
	$(CXX) $(CXXFLAGS) $(GTK_CFLAGS) -o $@ $(SOURCES) $(GTK_LIBS)

translations: $(MO_FILES)

locale/%/LC_MESSAGES/$(PACKAGE).mo: po/%.po
	@mkdir -p $(@D)
	$(MSGFMT) -o $@ $<

run: $(TARGET) translations
	GKEYMAPPER_LOCALEDIR=$(CURDIR)/locale GKEYMAPPER_ASSETS_DIR=$(CURDIR)/assets ./$(TARGET)

clean:
	rm -f $(TARGET)
	rm -rf locale

install: $(TARGET) translations
	install -d $(DESTDIR)$(PREFIX)/bin
	install -m 755 $(TARGET) $(DESTDIR)$(PREFIX)/bin/$(TARGET)
	install -d $(DESTDIR)$(ASSETS_DIR)
	install -m 644 assets/* $(DESTDIR)$(ASSETS_DIR)/
	install -d $(DESTDIR)$(PREFIX)/share/icons/hicolor/256x256/apps
	install -m 644 assets/icon.png $(DESTDIR)$(PREFIX)/share/icons/hicolor/256x256/apps/$(PACKAGE).png
	install -d $(DESTDIR)$(PREFIX)/share/icons/hicolor/scalable/apps
	install -m 644 assets/icon.svg $(DESTDIR)$(PREFIX)/share/icons/hicolor/scalable/apps/$(PACKAGE).svg
	-command -v gtk-update-icon-cache >/dev/null && gtk-update-icon-cache -q -t $(DESTDIR)$(PREFIX)/share/icons/hicolor 2>/dev/null || true
	install -d $(DESTDIR)$(PREFIX)/share/applications
	install -m 644 data/gkeymapper.desktop $(DESTDIR)$(PREFIX)/share/applications/$(PACKAGE).desktop
	-command -v update-desktop-database >/dev/null && update-desktop-database $(DESTDIR)$(PREFIX)/share/applications 2>/dev/null || true
	for lang in $(LANGS); do \
		install -d $(DESTDIR)$(LOCALEDIR)/$$lang/LC_MESSAGES; \
		install -m 644 locale/$$lang/LC_MESSAGES/$(PACKAGE).mo \
			$(DESTDIR)$(LOCALEDIR)/$$lang/LC_MESSAGES/$(PACKAGE).mo; \
	done