# **************************************************************************** #
#                                                                              #
#                                                         ::::::::             #
#    Makefile                                           :+:    :+:             #
#                                                      +:+                     #
#    By: qmennen <qmennen@student.codam.nl>           +#+                      #
#                                                    +#+                       #
#    Created: 2024/10/15 11:48:46 by whaffman      #+#    #+#                  #
#    Updated: 2025/02/23 11:20:52 by willem        ########   odam.nl          #
#                                                                              #
# **************************************************************************** #

NAME = minishell

SRC_PATH = src
INC_PATH = inc
LIB_PATH = lib
BUILD_PATH = build

LIBFT_PATH = $(LIB_PATH)/libft
LIBFT_INC_PATH = $(LIBFT_PATH)/inc
LIBFT = $(LIBFT_PATH)/libft.a

CC = cc
RM = rm -rf

INCLUDES = -I./$(INC_PATH) -I./$(LIBFT_INC_PATH)

UNAME_S	:= $(shell uname -s)
ifeq ($(UNAME_S),Linux)
    LDLIBS	:= -L$(LIBFT_PATH) -lft -lreadline
endif

# Include sources.mk if it exists
-include sources.mk

# Build configurations
BUILD_CONFIGS = release debug asan tsan

release_CFLAGS = -Wall -Werror -Werror -O2
debug_CFLAGS = -Wall -Werror -Werror -g3
asan_CFLAGS = -Wall -Werror -Werror -fsanitize=address,leak,undefined -g3
tsan_CFLAGS =  -Wall -Werror -Werror -fsanitize=thread -g3

# Targets for each build configuration
define BUILD_TARGETS
$(1)_OBJ_PATH = $(BUILD_PATH)/$(1)/obj
$(1)_DEPENDS = $$(addprefix $$($(1)_OBJ_PATH)/, $$(SOURCES:.c=.d))
$(1)_OBJECTS = $$(addprefix $$($(1)_OBJ_PATH)/, $$(SOURCES:.c=.o))

.PHONY: $(1)
$(1): CFLAGS = $$($(1)_CFLAGS)
$(1): $(BUILD_PATH)/$(1)/$(NAME)

.PHONY: run_$(1)

run_$(1): $(1)
	$$(info $(bold)$(green)Running $(1)$(reset))
	./$(BUILD_PATH)/$(1)/$(NAME)

$(BUILD_PATH)/$(1)/$(NAME): $(LIBFT) $$($(1)_OBJECTS)
	$$(info $(bold)$(green)Linking $(1) config$(reset))
	$$(CC) $$(CFLAGS) $$($(1)_OBJECTS) $$(LDLIBS) -o $$@

-include $$($(1)_DEPENDS)

$$($(1)_OBJ_PATH)/%.o: %.c $(LIBFT) | $$($(1)_OBJ_PATH)
	$$(CC) $$(CFLAGS) $$(INCLUDES) -MMD -MP -c $$< -o $$@

$$($(1)_OBJ_PATH):
	$$(info $(bold)$(green)Creating $(1) object directory$(reset))
	mkdir -p $$@
endef

# Copy the release build configuration to the root
$(NAME): $(BUILD_PATH)/release/$(NAME)
	$(info $(bold)$(green)Copying release build to root$(reset))
	cp $< $@

$(foreach config,$(BUILD_CONFIGS),$(eval $(call BUILD_TARGETS,$(config))))

# Build all configurations
all: release debug asan tsan
	$(info $(bold)$(green)Building all$(reset))

# Build libft
$(LIBFT): $(LIBFT_PATH) check-and-reinit-submodules
	$(info $(bold)$(green)Building libft$(reset))
	$(MAKE) -C $(LIBFT_PATH)

$(LIBFT_PATH):
	$(info $(bold)$(green)Adding libft submodule$(reset))
	git submodule add https://gitea.duinvoetje.nl/willem/libft.git $(LIBFT_PATH)

# Generate sources.mk
sources.mk:
	$(info $(bold)$(green)Generating sources.mk$(reset))
	@echo "VPATH = $$(find $(SRC_PATH) -type d | tr '\n' ':')" > sources.mk
	@echo "SOURCES = $$(find $(SRC_PATH) -type f -name '*.c' -exec basename {} \; | tr '\n' ' ' | fold -s -w 70 | sed 's/$$/ \\/')" >> sources.mk

# Remove build artifacts
clean:
	$(info $(bold)$(red)Cleaning$(reset))
	find $(BUILD_PATH) -type d -name 'obj' -exec $(RM) {} +
	$(MAKE) -C $(LIBFT_PATH) clean

# Remove build artifacts and the executable
fclean: clean
	$(info $(bold)$(red)Full cleaning$(reset))
	$(RM) $(BUILD_PATH)
	$(RM) $(NAME)
	$(MAKE) -C $(LIBFT_PATH) fclean

# Rebuild the project
re: fclean
	$(info $(bold)$(green)Rebuilding$(reset))
	$(MAKE) all $(NAME)

# Run the project with the release build configuration
run: run_release
	$(info $(bold)$(green)Running$(reset))

# Remove sources.mk to force regeneration
srcs:
	$(info $(bold)$(green)Regenerating sources.mk$(reset))
	$(RM) sources.mk

# Show this help.
help:
	@echo "Usage: make [target]"
	@echo ""
	@echo "Targets:"
	@awk '/^#/{c=substr($$0,3);next}c&&/^[[:alpha:]][[:alnum:]_-]+:/{print substr($$1,1,index($$1,":")),c}1{c=0}' $(MAKEFILE_LIST) | column -s: -t
	@echo ""

.PHONY: check-and-reinit-submodules
check-and-reinit-submodules:
	$(info $(bold)$(green)Checking and reinitializing submodules$(reset))
	@if git submodule status | egrep -q '^[-+]' ; then \
			echo "INFO: Need to reinitialize git submodules"; \
			git submodule update --init; \
	fi

.PHONY: all clean fclean re srcs run help

red:=$(shell tput setaf 1)
green:=$(shell tput setaf 2)
yellow:=$(shell tput setaf 3)
blue:=$(shell tput setaf 4)
magenta:=$(shell tput setaf 5)
cyan:=$(shell tput setaf 6)
white:=$(shell tput setaf 7)

bold:=$(shell tput bold)
underline:=$(shell tput smul)

reset:=$(shell tput sgr0)