.PHONY: \
	lint test clean \
	version-sync version-check version-bump \
	server-run server-build server-lint server-test server-clean \
	desktop-build-mac desktop-build-win desktop-build-linux \
	desktop-lint desktop-test desktop-clean \
	release-assets-check release-assets-web release-assets-linux release-assets-windows release-assets-macos release-assets-checksums \
	release-assets-server-linux release-assets-server-windows release-assets-server-macos \
	release-assets-desktop-linux release-assets-desktop-windows release-assets-desktop-macos \
	_backend-lint _backend-test _backend-clean _backend-build \
	_versionctl-lint _versionctl-test \
	_frontend-install _frontend-build _frontend-check _frontend-test _frontend-dev _frontend-clean \
	_desktop-test _desktop-clean _desktop-prepare-frontend _desktop-prepare-embedfs _desktop-prepare-windows-resource \
	_server-run-backend _server-run-frontend \
	_check-linux-target-arch _check-windows-target-arch _ensure-appimagetool \
	_package-linux-tar _package-linux-appimage _package-linux-deb _package-linux-rpm \
	_package-macos-zip _package-macos-dmg

# Delay shell lookups until a target needs them, then cache the result for this make run.
lazy_shell = $(or $($(1)),$(eval $(1) := $(shell $(2)))$($(1)))

VERSION = $(call lazy_shell,_VERSION,go run ./versionctl print)
GIT_COMMIT ?= $(call lazy_shell,_GIT_COMMIT,git rev-parse --short HEAD 2>/dev/null || printf 'unknown')
BUILD_TIME ?= $(call lazy_shell,_BUILD_TIME,date -u +"%Y-%m-%dT%H:%M:%SZ")
TARGET_ARCH ?= $(call lazy_shell,_TARGET_ARCH,go env GOARCH)
GO_LDFLAGS = -X nex/backend/pkg/buildinfo.version=$(VERSION) -X nex/backend/pkg/buildinfo.commit=$(GIT_COMMIT) -X nex/backend/pkg/buildinfo.buildTime=$(BUILD_TIME)
GO_LDFLAGS_WIN = $(GO_LDFLAGS) -H=windowsgui
RELEASE_DIR ?= build/release
LINUX_DESKTOP_BINARY = build/nex-linux-$(TARGET_ARCH)
WINDOWS_DESKTOP_BINARY = build/nex-win-$(TARGET_ARCH).exe
WINDOWS_SERVER_BINARY = build/nex-server-windows-$(TARGET_ARCH).exe
WINDRES ?= windres

ifeq ($(TARGET_ARCH),arm64)
APPIMAGE_ARCH := aarch64
DEB_ARCH := arm64
RPM_ARCH := aarch64
else
APPIMAGE_ARCH := x86_64
DEB_ARCH := amd64
RPM_ARCH := x86_64
endif

WINDOWS_WINDRES_FORMAT_BFD := pe-x86-64
WINDOWS_WINDRES_FORMAT_LLVM := x86_64-w64-mingw32
WINDOWS_RESOURCE := rsrc_windows_amd64.syso

APPIMAGETOOL_PATH := build/tools/appimagetool-$(APPIMAGE_ARCH).AppImage
APPIMAGETOOL_URL ?= https://github.com/AppImage/AppImageKit/releases/download/continuous/appimagetool-$(APPIMAGE_ARCH).AppImage
APPIMAGETOOL ?= $(APPIMAGETOOL_PATH)

# ============================================
# 全局命令
# ============================================

lint: _backend-lint _frontend-check _versionctl-lint
	@printf 'Lint complete\n'

test: _backend-test _frontend-test _desktop-test _versionctl-test
	@printf 'All tests passed\n'

clean: _backend-clean _frontend-clean _desktop-clean
	@printf 'Clean complete\n'

# ============================================
# 版本管理
# ============================================

version-sync:
	go run ./versionctl sync

version-check:
	go run ./versionctl check

version-bump: BUMP ?= patch
version-bump:
	$(eval _BUMP_ARG := $(if $(SET_VERSION),$(SET_VERSION),$(BUMP)))
	$(eval _NEW_VERSION := $(shell go run ./versionctl bump $(_BUMP_ARG)))
	git add VERSION frontend/
	git commit -m "chore: 版本升迁 v$(_NEW_VERSION)"
	git tag "v$(_NEW_VERSION)"
	@printf '版本升迁完成: v%s\n' "$(_NEW_VERSION)"

# ============================================
# Server 模式
# ============================================

server-run:
	@$(MAKE) -j2 _server-run-backend _server-run-frontend

server-build: version-check _backend-build _frontend-build
	@printf 'Server build complete\n'

server-lint: _backend-lint _frontend-check
	@printf 'Server lint complete\n'

server-test: _backend-test _frontend-test
	@printf 'Server tests passed\n'

server-clean: _backend-clean _frontend-clean
	@printf 'Server artifacts cleaned\n'

_server-run-backend:
	@$(MAKE) -C backend run

_server-run-frontend: _frontend-install
	cd frontend && bun run dev

# ============================================
# Desktop 模式
# ============================================

desktop-build-mac: version-check _desktop-prepare-frontend _desktop-prepare-embedfs
	@printf 'Building macOS desktop...\n'
	cd backend && CGO_ENABLED=1 GOOS=darwin GOARCH=arm64 go build -ldflags "$(GO_LDFLAGS)" -o ../build/nex-mac-arm64 ./cmd/desktop
	cd backend && CGO_ENABLED=1 GOOS=darwin GOARCH=amd64 go build -ldflags "$(GO_LDFLAGS)" -o ../build/nex-mac-amd64 ./cmd/desktop
	lipo -create build/nex-mac-arm64 build/nex-mac-amd64 -output build/nex-mac-universal
	lipo -info build/nex-mac-universal | grep -q 'x86_64 arm64'
	rm -f build/nex-mac-arm64 build/nex-mac-amd64
	@printf 'Packaging macOS app bundle...\n'
	rm -rf build/Nex.app
	mkdir -p build/Nex.app/Contents/MacOS build/Nex.app/Contents/Resources
	cp build/nex-mac-universal build/Nex.app/Contents/MacOS/nex
	@if [ -f assets/icon.icns ]; then \
		cp assets/icon.icns build/Nex.app/Contents/Resources/; \
	else \
		printf 'Missing assets/icon.icns\n'; \
		exit 1; \
	fi
	@MIN_MACOS_VERSION=$$(vtool -show-build build/nex-mac-universal | awk '/minos / {print $$2; exit}'); \
	if [ -z "$$MIN_MACOS_VERSION" ]; then \
		printf 'Unable to read macOS minimum version\n'; \
		exit 1; \
	fi; \
	go run ./versionctl macos-plist "$$MIN_MACOS_VERSION" > build/Nex.app/Contents/Info.plist
	chmod +x build/Nex.app/Contents/MacOS/nex
	@printf 'macOS desktop build complete\n'

desktop-build-win: version-check _desktop-prepare-frontend _desktop-prepare-embedfs _desktop-prepare-windows-resource _check-windows-target-arch
	@printf 'Building Windows desktop $(TARGET_ARCH)...\n'
	mkdir -p build
	cd backend && CGO_ENABLED=1 GOOS=windows GOARCH=$(TARGET_ARCH) go build -ldflags "$(GO_LDFLAGS_WIN)" -o ../$(WINDOWS_DESKTOP_BINARY) ./cmd/desktop
	@printf 'Windows desktop build complete\n'

desktop-build-linux: version-check _desktop-prepare-frontend _desktop-prepare-embedfs _check-linux-target-arch
	@printf 'Building Linux desktop $(TARGET_ARCH)...\n'
	mkdir -p build
	cd backend && CGO_ENABLED=1 GOOS=linux GOARCH=$(TARGET_ARCH) go build -ldflags "$(GO_LDFLAGS)" -o ../$(LINUX_DESKTOP_BINARY) ./cmd/desktop
	@printf 'Linux desktop build complete\n'

desktop-lint: _backend-lint _frontend-check
	@printf 'Desktop lint complete\n'

desktop-test: _desktop-test
	@printf 'Desktop tests passed\n'

desktop-clean: _desktop-clean
	@printf 'Desktop artifacts cleaned\n'

_desktop-test:
	cd backend && go test ./cmd/desktop/... -v

_desktop-clean:
	rm -rf build/ embedfs/assets embedfs/frontend-dist backend/cmd/desktop/rsrc_windows_amd64.syso

_desktop-prepare-frontend: _frontend-install
	@printf 'Preparing frontend for desktop...\n'
	cd frontend && cp .env.desktop .env.production.local
	cd frontend && bun run build
	rm -f frontend/.env.production.local

_desktop-prepare-embedfs:
	@printf 'Preparing embedded filesystem...\n'
	rm -rf embedfs/assets embedfs/frontend-dist
	cp -r assets embedfs/assets
	cp -r frontend/dist embedfs/frontend-dist

_desktop-prepare-windows-resource: _check-windows-target-arch
	@printf 'Preparing Windows $(TARGET_ARCH) executable icon...\n'
	@WINDRES_CMD="$(WINDRES)"; \
	WINDRES_FMT="$(WINDOWS_WINDRES_FORMAT_BFD)"; \
	if command -v llvm-windres >/dev/null 2>&1; then \
		WINDRES_CMD=llvm-windres; \
		WINDRES_FMT="$(WINDOWS_WINDRES_FORMAT_LLVM)"; \
	elif "$$WINDRES_CMD" --version 2>&1 | grep -qi LLVM; then \
		WINDRES_FMT="$(WINDOWS_WINDRES_FORMAT_LLVM)"; \
	fi; \
	command -v "$$WINDRES_CMD" >/dev/null 2>&1 || { printf 'Missing windres tool: %s\n' "$$WINDRES_CMD"; exit 1; }; \
	cd backend/cmd/desktop && "$$WINDRES_CMD" -O coff -F "$$WINDRES_FMT" -i icon_windows.rc -o $(WINDOWS_RESOURCE)

# ============================================
# 发布资产
# ============================================

release-assets-check:
	go run ./versionctl release-assets-check
	@printf 'Release assets check passed\n'

release-assets-web: version-check release-assets-check _frontend-build
	rm -rf "$(RELEASE_DIR)"
	mkdir -p "$(RELEASE_DIR)"
	asset=$$(go run ./versionctl asset-name web tar.gz); \
	tar -C frontend -czf "$(RELEASE_DIR)/$$asset" dist

release-assets-linux: version-check release-assets-check _check-linux-target-arch
	rm -rf "$(RELEASE_DIR)"
	mkdir -p "$(RELEASE_DIR)"
	@$(MAKE) release-assets-server-linux TARGET_ARCH=$(TARGET_ARCH) RELEASE_DIR="$(RELEASE_DIR)"
	@$(MAKE) release-assets-desktop-linux TARGET_ARCH=$(TARGET_ARCH) RELEASE_DIR="$(RELEASE_DIR)"

release-assets-windows: version-check release-assets-check _check-windows-target-arch
	rm -rf "$(RELEASE_DIR)"
	mkdir -p "$(RELEASE_DIR)"
	@$(MAKE) release-assets-server-windows TARGET_ARCH=$(TARGET_ARCH) RELEASE_DIR="$(RELEASE_DIR)"
	@$(MAKE) release-assets-desktop-windows TARGET_ARCH=$(TARGET_ARCH) RELEASE_DIR="$(RELEASE_DIR)"

release-assets-macos: version-check release-assets-check
	rm -rf "$(RELEASE_DIR)"
	mkdir -p "$(RELEASE_DIR)"
	@$(MAKE) release-assets-server-macos RELEASE_DIR="$(RELEASE_DIR)"
	@$(MAKE) release-assets-desktop-macos RELEASE_DIR="$(RELEASE_DIR)"

release-assets-server-linux: version-check _check-linux-target-arch
	mkdir -p build "$(RELEASE_DIR)"
	cd backend && CGO_ENABLED=1 GOOS=linux GOARCH=$(TARGET_ARCH) go build -ldflags "$(GO_LDFLAGS)" -o ../build/nex-server-linux-$(TARGET_ARCH) ./cmd/server
	asset=$$(go run ./versionctl asset-name server linux $(TARGET_ARCH) tar.gz); \
	tar -C build -czf "$(RELEASE_DIR)/$$asset" nex-server-linux-$(TARGET_ARCH)

release-assets-server-windows: version-check _check-windows-target-arch
	mkdir -p build "$(RELEASE_DIR)"
	cd backend && CGO_ENABLED=1 GOOS=windows GOARCH=$(TARGET_ARCH) go build -ldflags "$(GO_LDFLAGS)" -o ../$(WINDOWS_SERVER_BINARY) ./cmd/server
	asset=$$(go run ./versionctl asset-name server windows $(TARGET_ARCH) zip); \
	if command -v powershell.exe >/dev/null 2>&1; then POWERSHELL=powershell.exe; else POWERSHELL=powershell; fi; \
	"$$POWERSHELL" -NoProfile -Command "Compress-Archive -LiteralPath '$(WINDOWS_SERVER_BINARY)' -DestinationPath '$(RELEASE_DIR)/$$asset' -Force"

release-assets-server-macos: version-check
	mkdir -p build "$(RELEASE_DIR)"
	cd backend && CGO_ENABLED=1 GOOS=darwin GOARCH=amd64 go build -ldflags "$(GO_LDFLAGS)" -o ../build/nex-server-macos-amd64 ./cmd/server
	cd backend && CGO_ENABLED=1 GOOS=darwin GOARCH=arm64 go build -ldflags "$(GO_LDFLAGS)" -o ../build/nex-server-macos-arm64 ./cmd/server
	lipo -create build/nex-server-macos-amd64 build/nex-server-macos-arm64 -output build/nex-server-macos-universal
	lipo -info build/nex-server-macos-universal | grep -q 'x86_64 arm64'
	asset=$$(go run ./versionctl asset-name server macos amd64 tar.gz); \
	tar -C build -czf "$(RELEASE_DIR)/$$asset" nex-server-macos-amd64
	asset=$$(go run ./versionctl asset-name server macos arm64 tar.gz); \
	tar -C build -czf "$(RELEASE_DIR)/$$asset" nex-server-macos-arm64
	asset=$$(go run ./versionctl asset-name server macos universal tar.gz); \
	tar -C build -czf "$(RELEASE_DIR)/$$asset" nex-server-macos-universal
	rm -f build/nex-server-macos-amd64 build/nex-server-macos-arm64 build/nex-server-macos-universal

release-assets-desktop-linux: version-check release-assets-check desktop-build-linux _package-linux-tar _package-linux-appimage _package-linux-deb _package-linux-rpm

release-assets-desktop-windows: version-check release-assets-check desktop-build-win
	mkdir -p "$(RELEASE_DIR)"
	asset=$$(go run ./versionctl asset-name desktop windows $(TARGET_ARCH) zip); \
	if command -v powershell.exe >/dev/null 2>&1; then POWERSHELL=powershell.exe; else POWERSHELL=powershell; fi; \
	"$$POWERSHELL" -NoProfile -Command "Compress-Archive -LiteralPath '$(WINDOWS_DESKTOP_BINARY)' -DestinationPath '$(RELEASE_DIR)/$$asset' -Force"

release-assets-desktop-macos: version-check release-assets-check desktop-build-mac _package-macos-zip _package-macos-dmg
	rm -rf build/Nex.app build/dmg

release-assets-checksums:
	@cd "$(RELEASE_DIR)" && \
	rm -f SHA256SUMS && \
	for asset in *; do \
		[ -f "$$asset" ] || continue; \
		if command -v sha256sum >/dev/null 2>&1; then \
			sha256sum "$$asset"; \
		elif command -v shasum >/dev/null 2>&1; then \
			shasum -a 256 "$$asset"; \
		else \
			printf 'Missing sha256sum or shasum\n' >&2; \
			exit 1; \
		fi; \
	done > SHA256SUMS && \
	test -s SHA256SUMS

_check-linux-target-arch:
	@if [ "$(TARGET_ARCH)" != "amd64" ] && [ "$(TARGET_ARCH)" != "arm64" ]; then \
		printf 'Unsupported Linux TARGET_ARCH: %s\n' "$(TARGET_ARCH)"; \
		exit 1; \
	fi

_check-windows-target-arch:
	@if [ "$(TARGET_ARCH)" != "amd64" ]; then \
		printf 'Unsupported Windows TARGET_ARCH: %s\n' "$(TARGET_ARCH)"; \
		exit 1; \
	fi

_ensure-appimagetool:
	@mkdir -p build/tools
	@if [ ! -x "$(APPIMAGETOOL)" ]; then \
		printf 'Downloading appimagetool for %s...\n' "$(APPIMAGE_ARCH)"; \
		command -v curl >/dev/null 2>&1 || { printf 'Missing curl for appimagetool download\n'; exit 1; }; \
		curl -L "$(APPIMAGETOOL_URL)" -o "$(APPIMAGETOOL)"; \
		chmod +x "$(APPIMAGETOOL)"; \
	fi; \
	printf 'Using appimagetool: %s\n' "$(APPIMAGETOOL)"

_package-linux-tar:
	mkdir -p "$(RELEASE_DIR)"
	asset=$$(go run ./versionctl asset-name desktop linux $(TARGET_ARCH) tar.gz); \
	tar -C build -czf "$(RELEASE_DIR)/$$asset" nex-linux-$(TARGET_ARCH)

_package-linux-appimage: _ensure-appimagetool
	mkdir -p "$(RELEASE_DIR)"
	appdir="build/appimage/nex-$(TARGET_ARCH).AppDir"; \
	rm -rf "$$appdir"; \
	mkdir -p "$$appdir/usr/bin" "$$appdir/usr/share/applications" "$$appdir/usr/share/icons"; \
	install -m 0755 "$(LINUX_DESKTOP_BINARY)" "$$appdir/usr/bin/nex"; \
	install -m 0644 packaging/linux/nex.desktop "$$appdir/nex.desktop"; \
	install -m 0644 packaging/linux/nex.desktop "$$appdir/usr/share/applications/nex.desktop"; \
	install -m 0755 packaging/linux/AppRun "$$appdir/AppRun"; \
	cp -R assets/icons/hicolor "$$appdir/usr/share/icons/"; \
	cp assets/icon.png "$$appdir/nex.png"; \
	asset=$$(go run ./versionctl asset-name desktop linux $(TARGET_ARCH) AppImage); \
	ARCH=$(APPIMAGE_ARCH) APPIMAGE_EXTRACT_AND_RUN=1 "$(APPIMAGETOOL)" "$$appdir" "$(RELEASE_DIR)/$$asset"; \
	chmod +x "$(RELEASE_DIR)/$$asset"; \
	test -s "$(RELEASE_DIR)/$$asset"

_package-linux-deb:
	mkdir -p "$(RELEASE_DIR)"
	pkgdir="build/pkg/deb/nex-$(TARGET_ARCH)"; \
	rm -rf "$$pkgdir"; \
	mkdir -p "$$pkgdir/DEBIAN" "$$pkgdir/usr/bin" "$$pkgdir/usr/share/applications" "$$pkgdir/usr/share/icons"; \
	install -m 0755 "$(LINUX_DESKTOP_BINARY)" "$$pkgdir/usr/bin/nex"; \
	install -m 0644 packaging/linux/nex.desktop "$$pkgdir/usr/share/applications/nex.desktop"; \
	cp -R assets/icons/hicolor "$$pkgdir/usr/share/icons/"; \
	printf '%s\n' \
		'Package: nex' \
		'Version: $(VERSION)' \
		'Section: utils' \
		'Priority: optional' \
		'Architecture: $(DEB_ARCH)' \
		'Maintainer: Nex Maintainers <noreply@example.com>' \
		'Depends: libgtk-3-0, libayatana-appindicator3-1, xdg-utils' \
		'Description: AI Gateway desktop application' \
		' Nex is an AI Gateway desktop application.' \
		> "$$pkgdir/DEBIAN/control"; \
	asset=$$(go run ./versionctl asset-name desktop linux $(TARGET_ARCH) deb); \
	dpkg-deb --build --root-owner-group "$$pkgdir" "$(RELEASE_DIR)/$$asset"; \
	dpkg-deb -I "$(RELEASE_DIR)/$$asset" >/dev/null

_package-linux-rpm:
	mkdir -p "$(RELEASE_DIR)"
	topdir="$(abspath build/rpmbuild-$(TARGET_ARCH))"; \
	rm -rf "$$topdir"; \
	mkdir -p "$$topdir/BUILD" "$$topdir/BUILDROOT" "$$topdir/RPMS" "$$topdir/SOURCES" "$$topdir/SPECS" "$$topdir/SRPMS"; \
	rpmbuild -bb --target "$(RPM_ARCH)" \
		--define "_topdir $$topdir" \
		--define "nex_version $(VERSION)" \
		--define "nex_binary $(abspath $(LINUX_DESKTOP_BINARY))" \
		--define "nex_desktop_file $(abspath packaging/linux/nex.desktop)" \
		--define "nex_icons_dir $(abspath assets/icons/hicolor)" \
		packaging/linux/nex.spec; \
	rpm_file=$$(find "$$topdir/RPMS" -type f -name '*.rpm' | sort | tail -n 1); \
	test -n "$$rpm_file"; \
	asset=$$(go run ./versionctl asset-name desktop linux $(TARGET_ARCH) rpm); \
	cp "$$rpm_file" "$(RELEASE_DIR)/$$asset"; \
	rpm -qip "$(RELEASE_DIR)/$$asset" >/dev/null

_package-macos-zip:
	mkdir -p "$(RELEASE_DIR)"
	asset=$$(go run ./versionctl asset-name desktop macos universal zip); \
	ditto -c -k --keepParent build/Nex.app "$(RELEASE_DIR)/$$asset"

_package-macos-dmg:
	mkdir -p "$(RELEASE_DIR)"
	dmgdir="build/dmg/Nex"; \
	rm -rf "$$dmgdir"; \
	mkdir -p "$$dmgdir"; \
	cp -R build/Nex.app "$$dmgdir/Nex.app"; \
	ln -s /Applications "$$dmgdir/Applications"; \
	asset=$$(go run ./versionctl asset-name desktop macos universal dmg); \
	hdiutil create -volname Nex -srcfolder "$$dmgdir" -ov -format UDZO "$(RELEASE_DIR)/$$asset"; \
	hdiutil verify "$(RELEASE_DIR)/$$asset" >/dev/null && \
	rm -rf "$$dmgdir"

# ============================================
# 共享 helper targets
# ============================================

_backend-build:
	@$(MAKE) -C backend build

_backend-lint:
	@$(MAKE) -C backend lint

_backend-test:
	@$(MAKE) -C backend test

_backend-clean:
	@$(MAKE) -C backend clean

_versionctl-lint:
	@$(MAKE) -C versionctl lint

_versionctl-test:
	@$(MAKE) -C versionctl test

_frontend-install:
	cd frontend && bun install

_frontend-build: _frontend-install
	cd frontend && bun run build

_frontend-check: _frontend-install
	cd frontend && bun run check

_frontend-test: _frontend-install
	cd frontend && bun run test

_frontend-dev: _frontend-install
	cd frontend && bun run dev

_frontend-clean:
	rm -rf frontend/dist frontend/.next frontend/coverage frontend/playwright-report frontend/test-results frontend/tsconfig.tsbuildinfo