BUILDDIR     := ./build
TEST_SRCDIR  := ./test
SRCDIR       := ./src
CXX          := g++

SRC          := $(wildcard $(SRCDIR)/*.cpp)
OBJ           = $(filter-out $(BUILDDIR)/main.o, $(SRC:$(SRCDIR)/%.cpp=$(BUILDDIR)/%.o))

TESTS_SRC     = $(wildcard $(TEST_SRCDIR)/*.cpp)
TESTS_OBJ     = $(TESTS_SRC:$(TEST_SRCDIR)/%.cpp=$(BUILDDIR)/test-%)


# Linker flag
LD_CXXFLAGS =

# Compilation flag
CXXFLAGS    = -Wall -Wextra -g -O3 -std=c++2a
# Remove warnings about unused variables, functions, ...
# -Wno-unused-parameter -Wno-unused-function -Wno-unused-variable -Wno-unused-but-set-variable
# Compile with debug
# -g
# See memory leaks and Incorrect Read/Write
# -fsanitize=address -lasan

$(BUILDDIR)/main: $(SRCDIR)/main.cpp $(OBJ)
	$(CXX)  $^ -o $@  $(CXXFLAGS) $(LD_CXXFLAGS)


$(BUILDDIR)/%.o: $(SRCDIR)/%.cpp $(SRCDIR)/include/%.hpp
	$(CXX)  -c $< -o $@  $(CXXFLAGS)


#
# Tests
#

# 1. Compile every test/*.cpp file
# 2. Run every test/*.sh file
# 3. Run every file compiled in (1.)
run-tests: build-tests
	$(foreach file, $(wildcard $(TEST_SRCDIR)/*.sh), $(file);)
	@echo "$$(for file in build/test-*; do $$file || exit 1; done)"

# Preparing tests is basically deleting every compiled file because maybe we "just changed a header"
build-tests: prepare-tests $(TESTS_OBJ)

prepare-tests:
	@rm -f $(BUILDDIR)/test-*

$(BUILDDIR)/test-%: $(TEST_SRCDIR)/%.cpp $(OBJ)
	$(CXX)  $^ -o $@  $(CXXFLAGS) $(LD_CXXFLAGS)



clean:
	rm -rf $(BUILDDIR)/*