# C++ compiler to use
CC := g++

# Directory mappings
SRC_DIR := src
LIB_DIR := lib
OBJ_DIR := obj
OUT_DIR := out
INC_DIR := include
TST_DIR := test

# Map all object and source files (C++)
SRC_FILES := $(wildcard $(SRC_DIR)/*.cpp) $(wildcard $(SRC_DIR)/**/*.cpp) $(wildcard $(LIB_DIR)/*.cpp) $(wildcard $(LIB_DIR)/**/*.cpp)
OBJ_FILES := $(patsubst $(SRC_DIR)/%.cpp,$(OBJ_DIR)/%.o,$(filter $(SRC_DIR)/%.cpp,$(SRC_FILES))) \
			$(patsubst $(SRC_DIR)/%.cpp,$(OBJ_DIR)/%.o,$(filter $(SRC_DIR)/**/*.cpp,$(SRC_FILES))) \
			$(patsubst $(LIB_DIR)/%.cpp,$(OBJ_DIR)/%.o,$(filter $(LIB_DIR)/%.cpp,$(SRC_FILES))) \
			$(patsubst $(LIB_DIR)/%.cpp,$(OBJ_DIR)/%.o,$(filter $(LIB_DIR)/**/*.cpp,$(SRC_FILES)))

TST_FILES := $(wildcard $(TST_DIR)/*.cpp) $(wildcard $(TST_DIR)/**/*.cpp) $(wildcard $(LIB_DIR)/*.cpp) $(wildcard $(LIB_DIR)/**/*.cpp)
OBJ_TST_FILES := $(patsubst $(TST_DIR)/%.cpp,$(OBJ_DIR)/%.o,$(filter $(TST_DIR)/%.cpp,$(TST_FILES))) \
				$(patsubst $(TST_DIR)/%.cpp,$(OBJ_DIR)/%.o,$(filter $(TST_DIR)/**/*.cpp,$(TST_FILES))) \
				$(patsubst $(LIB_DIR)/%.cpp,$(OBJ_DIR)/%.o,$(filter $(LIB_DIR)/%.cpp,$(TST_FILES))) \
				$(patsubst $(LIB_DIR)/%.cpp,$(OBJ_DIR)/%.o,$(filter $(LIB_DIR)/**/*.cpp,$(TST_FILES)))

# All optional libs and Cflags to append to the final command
LIBS :=
CFLAGS := -I$(INC_DIR)
DEBUGFLAGS :=
BUILDFLAGS :=
WARNFLAGS := -Wall -Wextra -Wconversion

# Special and default commands
.PHONY: clean help
.DEFAULT_GOAL := help

# Macro for creating object files (C++)
$(OBJ_DIR)/%.o: $(SRC_DIR)/%.cpp
	$(CC) -c -o $@ $< $(CFLAGS)

$(OBJ_DIR)/%.o: $(TST_DIR)/%.cpp
	$(CC) -c -o $@ $< $(CFLAGS)

## All make commands ##
help: ## Lists all commands
	@grep -E '^[a-zA-Z_-]+:.*?## .*$$' $(MAKEFILE_LIST) | awk 'BEGIN {FS = ":.*?## "}; {printf "\033[36m%-30s\033[0m %s\n", $$1, $$2}'

clean: ## Clean up all object files and executables
	rm -f $(OBJ_DIR)/*.o $(OUT_DIR)/*

dev: $(OBJ_FILES) ## Build, run and debug the project
	$(CC) -o $(OUT_DIR)/$@ $^ $(CFLAGS) $(LIBS) $(DEBUGFLAGS) && ./out/dev

run: $(OBJ_FILES) ## Build and run the project
	$(CC) -o $(OUT_DIR)/$@ $^ $(CFLAGS) $(LIBS) $(WARNFLAGS) && ./out/run

prod: $(OBJ_FILES) ## Build the project
	$(CC) -o $(OUT_DIR)/$@ $^ $(CFLAGS) $(LIBS) $(BUILDFLAGS) $(WARNFLAGS)

test: $(OBJ_TST_FILES) ## Build tests and run them
	$(CC) -o $(OUT_DIR)/$@ $^ $(CFLAGS) $(LIBS) && ./out/test \
		--port 6060 --timeout 500

valgrind: $(OBJ_FILES) ## Build the project and run with Valgrind
	$(CC) -o $(OUT_DIR)/$@ $^ $(CFLAGS) $(LIBS) && valgrind ./out/valgrind

strace: $(OBJ_FILES) ## Build the project and run with strace
	$(CC) -o $(OUT_DIR)/$@ $^ $(CFLAGS) $(LIBS) && strace ./out/strace