# Favoritter build system
# SPDX-License-Identifier: AGPL-3.0-or-later

VERSION    ?= $(shell git describe --tags --always --dirty 2>/dev/null || echo dev)
BUILD_DATE := $(shell date -u +%Y-%m-%dT%H:%M:%SZ)
LDFLAGS    := -s -w -X main.version=$(VERSION) -X main.buildDate=$(BUILD_DATE)
PLATFORMS  := linux/amd64 linux/arm64
DIST       := dist

.PHONY: build build-all deb rpm container tarballs artifacts checksums clean test

## Build for current platform
build:
	CGO_ENABLED=0 go build -ldflags="$(LDFLAGS)" -o favoritter ./cmd/favoritter

## Run tests
test:
	go test ./...

## Cross-compile for all platforms
build-all: $(DIST)
	@for platform in $(PLATFORMS); do \
		os=$${platform%%/*}; \
		arch=$${platform##*/}; \
		echo "Building $$os/$$arch..."; \
		CGO_ENABLED=0 GOOS=$$os GOARCH=$$arch \
			go build -ldflags="$(LDFLAGS)" \
			-o $(DIST)/favoritter_$(VERSION)_$${os}_$${arch} \
			./cmd/favoritter; \
	done

## Build .deb packages (requires nfpm)
deb: build-all
	@for platform in $(PLATFORMS); do \
		arch=$${platform##*/}; \
		echo "Packaging deb for $$arch..."; \
		ARCH=$$arch VERSION=$(VERSION) nfpm package \
			--packager deb \
			--target $(DIST)/favoritter_$(VERSION)_$${arch}.deb; \
	done

## Build .rpm packages (requires nfpm)
rpm: build-all
	@for platform in $(PLATFORMS); do \
		arch=$${platform##*/}; \
		echo "Packaging rpm for $$arch..."; \
		ARCH=$$arch VERSION=$(VERSION) nfpm package \
			--packager rpm \
			--target $(DIST)/favoritter_$(VERSION)_$${arch}.rpm; \
	done

## Build container image
container:
	BUILDAH_FORMAT=docker podman build \
		--build-arg BUILD_DATE="$(BUILD_DATE)" \
		--build-arg GIT_REVISION="$(VERSION)" \
		--build-arg VERSION="$(VERSION)" \
		-t favoritter:$(VERSION) \
		-t favoritter:latest .

## Package binaries into tarballs
tarballs: build-all
	@for platform in $(PLATFORMS); do \
		os=$${platform%%/*}; \
		arch=$${platform##*/}; \
		name=favoritter_$(VERSION)_$${os}_$${arch}; \
		echo "Creating tarball $$name.tar.gz..."; \
		tar -czf $(DIST)/$$name.tar.gz \
			-C $(DIST) $${name} \
			-C $(CURDIR) README.md LICENSE; \
	done

## Generate SHA256 checksums
checksums:
	cd $(DIST) && sha256sum *.tar.gz *.deb *.rpm 2>/dev/null > checksums.txt || true

## Build all release artifacts
artifacts: tarballs deb rpm checksums

## Clean build artifacts
clean:
	rm -rf $(DIST) favoritter

$(DIST):
	mkdir -p $(DIST)