CC      := cc
CFLAGS  := -Wall -Wextra -Werror -fPIC -Iincludes -Ilibft

ifeq ($(HOSTTYPE),)
HOSTTYPE := $(shell uname -m)_$(shell uname -s)
endif

NAME    := libft_malloc_$(HOSTTYPE).so
LINK    := libft_malloc.so

# --------------------------------------------------------------------------- #
# Sources / objects
# --------------------------------------------------------------------------- #

SRCS_DIR := srcs
SRCS     := $(SRCS_DIR)/ft_malloc.c \
            $(SRCS_DIR)/ft_free.c   \
            $(SRCS_DIR)/ft_calloc.c \
            $(SRCS_DIR)/ft_realloc.c \
            $(SRCS_DIR)/init_state.c \
			$(SRCS_DIR)/bonus_utils.c

OBJS     := $(SRCS:.c=.o)

LIBFT_DIR := libft
LIBFT_A   := $(LIBFT_DIR)/libft.a

# --------------------------------------------------------------------------- #
# Rules
# --------------------------------------------------------------------------- #

.PHONY: all clean fclean re test

all: $(NAME) $(LINK)

# Build the shared library
$(NAME): $(LIBFT_A) $(OBJS)
	$(CC) -shared -o $@ $(OBJS) -L$(LIBFT_DIR) -lft -lpthread

# Symlink libft_malloc.so -> libft_malloc_$HOSTTYPE.so
$(LINK): $(NAME)
	ln -sf $(NAME) $(LINK)

# Build libft first (using its own Makefile)
$(LIBFT_A):
	$(MAKE) -C $(LIBFT_DIR)

# Object files
$(SRCS_DIR)/%.o: $(SRCS_DIR)/%.c
	$(CC) $(CFLAGS) -c $< -o $@

clean:
	rm -f $(OBJS)
	$(MAKE) -C $(LIBFT_DIR) clean

fclean: clean
	rm -f $(NAME) $(LINK)
	$(MAKE) -C $(LIBFT_DIR) fclean

re: fclean all

# Simple helper target to remind how to test with LD_PRELOAD
test: all
	@echo "Library built:"
	@echo "  $(NAME)"
	@echo "Symlink:"
	@echo "  $(LINK) -> $(NAME)"
	@echo ""
	@echo "Example usage (run any program with your malloc):"
	@echo "  LD_PRELOAD=./$(LINK) ls"