BINARY=syncserver
VERSION?=1.0.54
GO?=go
LDFLAGS=-s -w -X main.version=$(VERSION) -X main.commit=$(shell git rev-parse --short HEAD 2>/dev/null || echo unknown)
BUILD_FLAGS=CGO_ENABLED=0

.PHONY: build build-all build-go frontend run package clean tidy test deploy

frontend:
	cd web && npm install && npm run build

build: frontend
	cp -R web/dist internal/webui/dist
	$(BUILD_FLAGS) $(GO) build -ldflags "$(LDFLAGS)" -o bin/$(BINARY) ./cmd/server

# build-go builds the binary without rebuilding the frontend (dist must exist).
build-go:
	$(BUILD_FLAGS) $(GO) build -ldflags "$(LDFLAGS)" -o bin/$(BINARY) ./cmd/server

build-all: frontend
	cp -R web/dist internal/webui/dist
	$(BUILD_FLAGS) GOOS=linux GOARCH=amd64 $(GO) build -ldflags "$(LDFLAGS)" -o bin/$(BINARY)-linux-amd64 ./cmd/server
	$(BUILD_FLAGS) GOOS=linux GOARCH=arm64 $(GO) build -ldflags "$(LDFLAGS)" -o bin/$(BINARY)-linux-arm64 ./cmd/server

run: build
	SYNCSERVER_ADMIN_USER=admin SYNCSERVER_ADMIN_PASSWORD=secret \
	SYNCSERVER_DATA_DIR=.data \
	./bin/$(BINARY) --addr :8080

package: build-all
	@mkdir -p dist/deb/usr/bin dist/deb/etc/syncserver dist/deb/lib/systemd/system dist/deb/DEBIAN
	cp bin/$(BINARY)-linux-amd64 dist/deb/usr/bin/$(BINARY)
	cp etc/syncserver/config.yaml dist/deb/etc/syncserver/config.yaml
	cp lib/systemd/system/$(BINARY).service dist/deb/lib/systemd/system/$(BINARY).service
	printf 'Package: $(BINARY)\nVersion: $(VERSION)\nSection: net\nPriority: optional\nArchitecture: amd64\nDepends: rsync, openssh-client, ca-certificates\nMaintainer: SyncServer\nDescription: File sync orchestrator with Wake-on-LAN and web UI\n' > dist/deb/DEBIAN/control
	printf '#!/bin/sh\nset -e\nSVC=$(BINARY)\nid $$SVC >/dev/null 2>&1 || useradd --system --no-create-home --shell /usr/sbin/nologin $$SVC\ninstall -d -o $$SVC -g $$SVC -m 0750 /var/lib/$$SVC/data\ninstall -d -o $$SVC -g $$SVC -m 0750 /var/lib/$$SVC/ssh\ninstall -d -o $$SVC -g $$SVC -m 0750 /var/lib/$$SVC/logs\ninstall -d -o root -g root -m 0755 /etc/$$SVC\n[ ! -f /etc/$$SVC/config.yaml ] && cp /etc/$$SVC/config.yaml /etc/$$SVC/config.yaml.new || true\nsystemctl daemon-reload 2>/dev/null || true\nsystemctl enable $$SVC.service 2>/dev/null || true\nsystemctl try-restart $$SVC.service 2>/dev/null || true\nif ! systemctl is-active --quiet $$SVC.service 2>/dev/null; then\n\tsystemctl start $$SVC.service 2>/dev/null || true\nfi\n' > dist/deb/DEBIAN/postinst
	chmod 0755 dist/deb/DEBIAN/postinst
	printf '#!/bin/sh\nset -e\nsystemctl stop $(BINARY).service 2>/dev/null || true\nsystemctl disable $(BINARY).service 2>/dev/null || true\n' > dist/deb/DEBIAN/prerm
	chmod 0755 dist/deb/DEBIAN/prerm
	dpkg-deb --build dist/deb dist/$(BINARY)_$(VERSION)_amd64.deb

clean:
	rm -rf bin dist .data web/node_modules web/dist internal/webui/dist

tidy:
	$(GO) mod tidy

test:
	$(GO) test ./...

deploy:
	./scripts/deploy.sh