SHELL=/bin/bash

# configurable options

SOURCES_DIR := ./src
TESTS_DIR := ./tests
BUILD_DIR := ./build

CC := gcc
CXX := g++


# dependencies

PACKAGE_NAMES := fuse3

ifeq ($(TEST), 1)
	#	PACKAGE_NAMES += check # TODO: use check?
endif


# set up cflags and libs

CFLAGS := -D_FILE_OFFSET_BITS=64
LDFLAGS :=

CFLAGS += $(shell pkg-config --cflags $(PACKAGE_NAMES))
LDFLAGS += $(shell pkg-config --libs $(PACKAGE_NAMES))

ifeq ($(DEBUG),1)
	CFLAGS += -O0 -pedantic -g -Wall -Wextra -Wcast-align \
						-Wcast-qual -Wdisabled-optimization -Wformat=2 \
						-Winit-self -Wlogical-op -Wmissing-declarations \
						-Wmissing-include-dirs -Wredundant-decls -Wshadow \
						-Wsign-conversion -Wstrict-overflow=5 \
						-Wswitch-default -Wundef -Wno-unused
	LDFLAGS += 
else
	CFLAGS += -O3
	LDFLAGS +=
endif


# set up targets 

TARGETS := icfs

ifeq ($(TEST), 1)
	TARGETS += icfs_test
endif


# build!

default: $(TARGETS)

.PHONY: clean

icfs: $(BUILD_DIR)/main.o $(BUILD_DIR)/fuse_operations.o $(BUILD_DIR)/sourcefs.o $(BUILD_DIR)/ui-socket.o $(BUILD_DIR)/temp_permissions_table.o
	$(CC) $(CFLAGS) $^ $(LDFLAGS) -o $(BUILD_DIR)/icfs

icfs_test: $(BUILD_DIR)/main.o $(BUILD_DIR)/fuse_operations.o $(BUILD_DIR)/sourcefs.o $(BUILD_DIR)/ui-socket.o
	$(CC) $(CFLAGS) $^ $(LDFLAGS) -o $(BUILD_DIR)/icfs_test
	# $(BUILD_DIR)/icfs_test # TODO: implement testing

$(BUILD_DIR)/test_access_control.o: $(TESTS_DIR)/test_access_control.c
	$(CC) $(CFLAGS) -c $< $(LDFLAGS) -o $@

$(BUILD_DIR)/main.o: $(SOURCES_DIR)/main.c
	$(CC) $(CFLAGS) -c $< $(LDFLAGS) -o $(BUILD_DIR)/main.o

$(BUILD_DIR)/fuse_operations.o: $(SOURCES_DIR)/fuse_operations.c $(SOURCES_DIR)/fuse_operations.h
	$(CC) $(CFLAGS) -c $< $(LDFLAGS) -o $@

$(BUILD_DIR)/sourcefs.o: $(SOURCES_DIR)/sourcefs.c $(SOURCES_DIR)/sourcefs.h
	$(CC) $(CFLAGS) -c $< $(LDFLAGS) -o $@

$(BUILD_DIR)/ui-socket.o: $(SOURCES_DIR)/ui-socket.c $(SOURCES_DIR)/ui-socket.h
	$(CC) $(CFLAGS) -c $< $(LDFLAGS) -o $@

$(BUILD_DIR)/temp_permissions_table.o: $(SOURCES_DIR)/temp_permissions_table.c $(SOURCES_DIR)/temp_permissions_table.h
	$(CC) $(CFLAGS) -c $< $(LDFLAGS) -o $@

clean:
	rm $(BUILD_DIR)/*.o $(BUILD_DIR)/icfs*