# Simple Makefile wrapper to configure, build and run the CMake project.
# Usage:
#   make           # builds (default)
#   make build     # configure + build
#   make run       # build (if needed) and run the executable
#   make clean     # run CMake clean (or remove build files)
#   make distclean # remove build dir and generated targets

CMAKE ?= cmake
BUILD_DIR := build
CMAKE_BUILD_TYPE ?= Release
TARGET := target/bin/simulator_exec
GUI_TARGET := target/bin/simulator_qt

.PHONY: all configure build run clean distclean

all: build

configure:
	@echo "Configuring (build dir: $(BUILD_DIR), type: $(CMAKE_BUILD_TYPE))"
	$(CMAKE) -S . -B $(BUILD_DIR) -DCMAKE_BUILD_TYPE=$(CMAKE_BUILD_TYPE)

build: configure
	@echo "Building..."
	$(CMAKE) --build $(BUILD_DIR) -j$(shell nproc)

run: build
	@echo "Running primary target..."
	# Prefer GUI if avail able, otherwise fall back to console executable
	@if [ -x "$(GUI_TARGET)" ]; then \
		echo "Launching GUI: $(GUI_TARGET)"; \
		sh -c 'nohup env QT_QPA_PLATFORM=xcb ./$(GUI_TARGET) >/dev/null 2>&1 & echo $! > "$(BUILD_DIR)/simulator_qt.pid"'; \
	elif [ -x "$(TARGET)" ]; then \
		@./$(TARGET); \
	else \
		echo "No runnable target found (tried $(GUI_TARGET) and $(TARGET))."; exit 1; \
	fi

.PHONY: run-gui
run-gui: build
	@echo "Running GUI target ($(GUI_TARGET))"
	@if [ -x "$(GUI_TARGET)" ]; then \
		echo "Starting GUI..."; ./$(GUI_TARGET) -platform xcb; \
	else \
		echo "GUI executable not found: $(GUI_TARGET)"; exit 1; \
	fi

.PHONY: build-gui
build-gui: configure
	@echo "Building GUI (and core)..."
	$(CMAKE) --build $(BUILD_DIR) -j$(shell nproc) --target simulator_qt || true

clean:
	@echo "Cleaning build (CMake clean)..."
	-$(CMAKE) --build $(BUILD_DIR) --target clean || true

distclean:
	@echo "Removing build artifacts and generated files..."
	-rm -rf $(BUILD_DIR) CMakeFiles CMakeCache.txt cmake_install.cmake target/bin/*