SWIFT ?= swift
CONFIGURATION ?= debug

.DEFAULT_GOAL := help
.PHONY: help test lint format build check clean

help:
	@echo 'Targets:'
	@echo '  test       run the test suite'
	@echo '  lint       swift-format lint, read-only'
	@echo '  format     apply swift-format in place (writes)'
	@echo '  build      compile the library (CONFIGURATION=$(CONFIGURATION))'
	@echo '  check      lint + test + build, in that order'
	@echo '  clean      remove build artefacts'
	@echo
	@echo 'Override the toolchain with e.g. make test SWIFT=/path/to/swift'
	@echo 'Build a release with make build CONFIGURATION=release'

test:
	$(SWIFT) test

lint:
	@if $(SWIFT) format --version >/dev/null 2>&1; then \
		$(SWIFT) format lint --strict --recursive Package.swift Sources Tests; \
	else \
		echo 'swift-format is not in this toolchain (needs Swift 6 or swift-format on PATH); skipping'; \
	fi

format:
	@if $(SWIFT) format --version >/dev/null 2>&1; then \
		$(SWIFT) format --in-place --recursive Package.swift Sources Tests; \
	else \
		echo 'swift-format is not in this toolchain (needs Swift 6 or swift-format on PATH); skipping'; \
	fi

build:
	$(SWIFT) build -c $(CONFIGURATION)

check: lint test build

clean:
	$(SWIFT) package clean
	rm -rf .build