BINARY  := tomswall
MODULE  := git.unkin.net/unkin/tomswall
PREFIX  := /usr/local
CONFDIR := /etc/tomswall
DIST    := dist
VERSION := $(shell git describe --tags --always --dirty 2>/dev/null || echo dev)
GOFLAGS := -ldflags="-s -w -X main.version=$(VERSION)"
OS      ?= $(shell go env GOOS)
ARCH    ?= $(shell go env GOARCH)

.PHONY: build install clean check test fmt dist-build completions rpm rpm-package patch minor major _tag

build:
	go build $(GOFLAGS) -o $(BINARY) ./cmd/tomswall

install: build
	install -Dm755 $(BINARY) $(DESTDIR)$(PREFIX)/sbin/$(BINARY)
	install -Dm644 tomswall.example.yaml $(DESTDIR)$(CONFDIR)/tomswall.example.yaml
	@if [ ! -f $(DESTDIR)$(CONFDIR)/tomswall.yaml ]; then \
		install -Dm644 tomswall.example.yaml $(DESTDIR)$(CONFDIR)/tomswall.yaml; \
	fi

clean:
	rm -f $(BINARY)
	rm -rf $(DIST)

check:
	go vet ./...

test:
	go test ./...

fmt:
	gofmt -w .

# Build the binary into dist/ for the RPM packaging step.
dist-build:
	@mkdir -p $(DIST)
	CGO_ENABLED=0 GOOS=$(OS) GOARCH=$(ARCH) go build $(GOFLAGS) -o $(DIST)/$(BINARY) ./cmd/tomswall

# Generate bash/zsh completions into dist/completions.
completions: dist-build
	@mkdir -p $(DIST)/completions
	$(DIST)/$(BINARY) completion bash > $(DIST)/completions/$(BINARY).bash
	$(DIST)/$(BINARY) completion zsh  > $(DIST)/completions/_$(BINARY)

# Build the binary then package it (with completions) into an RPM via nfpm.
rpm: dist-build rpm-package

# Package an already-built dist/ binary into an RPM (used by CI after build).
rpm-package:
	./scripts/build-rpm.sh $(VERSION)

# Bump helpers — read the latest semver tag and create+push the next one, which
# triggers the release-on-tag pipeline. Starts from v0.0.0 when no tag exists.
_LATEST := $(shell git tag --sort=-v:refname | grep -E '^v[0-9]+\.[0-9]+\.[0-9]+$$' | head -1)
_BASE   := $(if $(_LATEST),$(_LATEST),v0.0.0)
_MAJ    := $(shell echo $(_BASE) | sed 's/^v//' | cut -d. -f1)
_MIN    := $(shell echo $(_BASE) | sed 's/^v//' | cut -d. -f2)
_PAT    := $(shell echo $(_BASE) | sed 's/^v//' | cut -d. -f3)

patch:
	@NEW=v$(_MAJ).$(_MIN).$(shell expr $(_PAT) + 1); \
	git tag $$NEW && echo "Tagged $$NEW" && $(MAKE) _tag TAG=$$NEW

minor:
	@NEW=v$(_MAJ).$(shell expr $(_MIN) + 1).0; \
	git tag $$NEW && echo "Tagged $$NEW" && $(MAKE) _tag TAG=$$NEW

major:
	@NEW=v$(shell expr $(_MAJ) + 1).0.0; \
	git tag $$NEW && echo "Tagged $$NEW" && $(MAKE) _tag TAG=$$NEW

_tag:
	git push origin $(TAG)