SHELL:=/bin/bash
BUILD_DIR:=bin
PROJECT_NAME:=bettola
EXECUTABLE:=$(BUILD_DIR)/$(PROJECT_NAME)

CXX_COMPILER:=clang++
CMAKE_MAKEFILE:=$(BUILD_DIR)/Makefile

.PHONY: all build config run clean help

# Default.
all: build

# Build project, if not configured, then do that first.
build: $(CMAKE_MAKEFILE)
	@echo "==== Building Bettola ===="
	@cmake --build $(BUILD_DIR)

# run 'config' target if the build directory or CMake cache is missing.
$(CMAKE_MAKEFILE):
	$(MAKE) config

config:
	@echo "==== Configuring Bettola with CMake ===="
	@mkdir -p $(BUILD_DIR)
	@cmake -S . -B$(BUILD_DIR) -DCMAKE_CXX_COMPILER=$(CXX_COMPILER) -DCMAKE_EXPORT_COMPILE_COMMANDS=ON

# Build and run.
run: all
	@echo "==== Running Bettola ===="
	$(EXECUTABLE)

# Remove build dir.
clean:
	@echo "==== Cleaning Bettola ===="
	@rm -rf $(BUILD_DIR)
	@echo "==== Project Cleaned ===="

help:
	@echo "Available commands:"
	@echo "	make        - Build the project (default)."
	@echo "	make build  - Build the project."
	@echo "	make run    - Build and run the project."
	@echo "	make config - Force CMake to re-configure the project."
	@echo "	make clean  - Remove all build files"