CC ?= gcc

CFLAGS_COMMON := -std=c99 -Wall -Wextra -Wpedantic -O2 -g -D_POSIX_C_SOURCE=200809L
CFLAGS := $(CFLAGS_COMMON)
LDFLAGS :=
LIBS := -lpulse-simple -lpulse -lX11 -lXtst -lpthread
GTK_CFLAGS := $(shell pkg-config --cflags gtk+-3.0 2>/dev/null)
GTK_LIBS := $(shell pkg-config --libs gtk+-3.0 2>/dev/null)

WITH_WHISPER ?= 0
WHISPER_DIR ?= ./vendor/whisper.cpp

ifeq ($(WITH_WHISPER),1)
CFLAGS += -DWITH_WHISPER=1 -isystem $(WHISPER_DIR)/include -isystem $(WHISPER_DIR)/ggml/include
LDFLAGS += -L$(WHISPER_DIR)/build/src -L$(WHISPER_DIR)/build/ggml/src -Wl,-rpath,$(WHISPER_DIR)/build/src -Wl,-rpath,$(WHISPER_DIR)/build/ggml/src
LIBS += -lwhisper -lggml
endif

SRC := \
	./src/main.c \
	./src/config.c \
	./src/hotkey.c \
	./src/audio.c \
	./src/transcribe.c \
	./src/typer.c

OBJ := $(SRC:.c=.o)
TARGET := ./voice_linux
GUI_TARGET := ./voice_linux_gui

.PHONY: all clean run run-gui cpu gpu

all: $(TARGET) $(GUI_TARGET)

$(TARGET): $(OBJ)
	$(CC) $(OBJ) -o $@ $(LDFLAGS) $(LIBS)

./src/%.o: ./src/%.c
	$(CC) $(CFLAGS) -c $< -o $@

$(GUI_TARGET): ./src/gui_main.c ./src/config.c ./src/audio.c ./src/transcribe.c ./src/typer.c
	$(CC) $(CFLAGS) $(GTK_CFLAGS) $^ -o $@ $(LDFLAGS) $(LIBS) $(GTK_LIBS)

cpu:
	$(MAKE) clean
	$(MAKE) WITH_WHISPER=1

gpu:
	$(MAKE) clean
	$(MAKE) WITH_WHISPER=1

run: $(TARGET)
	./voice_linux

run-gui: $(GUI_TARGET)
	./voice_linux_gui

clean:
	rm -f $(OBJ) $(TARGET) $(GUI_TARGET)