WEBROOT=${K8S_WEBROOT}
K8SROOT=${K8S_ROOT}
K8SRELEASE=${K8S_RELEASE}

# change <major>.<minor> to <major>_<minor>
getversion:
	echo $(K8SRELEASE) | sed "s/\./_/g" > b.tmp

K8SVERDIR=$(shell cat b.tmp)

sepversion: getversion
	echo $(K8SVERDIR) | sed "s/[0-9]_//g" > minor.tmp
	echo $(K8SVERDIR) | sed "s/_[0-9]*//g" > major.tmp

MINOR_VERSION := $(shell cat minor.tmp)
MAJOR_VERSION := $(shell cat major.tmp)
ONE := 1
PREV_MINOR_VERSION := $(shell echo $$(( $(MINOR_VERSION) - $(ONE) )))

cleantmp:
	rm minor.tmp; rm major.tmp; rm b.tmp

APISRC=gen-apidocs
APIDST=$(WEBROOT)/static/docs/reference/generated/kubernetes-api/v$(K8SRELEASE)

CLISRC=gen-kubectldocs/generators/build
CLIDST=$(WEBROOT)/static/docs/reference/generated/kubectl
CLISRCFONT=$(CLISRC)/node_modules/font-awesome
CLIDSTFONT=$(CLIDST)/node_modules/font-awesome

default:
	@echo "Support commands:\ncli api comp copycli copyapi updateapispec"

# Set up versioned directories for new release
# kubectl-command static-includes, toc.yaml
createkubectldir: sepversion
	@echo version $(K8SVERDIR)
	mkdir -p $(shell pwd)/gen-kubectldocs/generators/v$(K8SVERDIR)
	if ! [ -f "$(shell pwd)/gen-kubectldocs/generators/v1_$(PREV_MINOR_VERSION)/config.yaml" ]; then \
		cp -r $(shell pwd)/gen-kubectldocs/generators/v1_15/* $(shell pwd)/gen-kubectldocs/generators/v$(K8SVERDIR)/; \
	else \
		cp -r $(shell pwd)/gen-kubectldocs/generators/v1_$(PREV_MINOR_VERSION)/* $(shell pwd)/gen-kubectldocs/generators/v$(K8SVERDIR)/; \
	fi

# api-ref versioned dir, swagger.json, config.yaml
createapidir: sepversion
	@echo version $(K8SVERDIR)
	mkdir -p $(shell pwd)/gen-apidocs/config/v$(K8SVERDIR)
	# config.yaml
	if ! [ -f "$(APISRC)/config/v1_$(MINOR_VERSION)/config.yaml" ]; then \
		if [ -f "$(shell pwd)/gen-apidocs/config/v1_$(PREV_MINOR_VERSION)/config.yaml" ]; then \
			cp $(shell pwd)/gen-apidocs/config/v1_$(PREV_MINOR_VERSION)/config.yaml $(APISRC)/config/v1_$(MINOR_VERSION)/config.yaml; \
			echo "Using config file: $(shell pwd)/gen-apidocs/config/v1_$(PREV_MINOR_VERSION)/config.yaml"; \
		else \
			cp $(APISRC)/config/config.yaml $(APISRC)/config/v1_$(MINOR_VERSION)/config.yaml; \
		fi \
	fi
	# swagger.json
	if ! [ -f "$(APISRC)/config/v1_$(MINOR_VERSION)/swagger.json" ]; then \
		cp $(K8SROOT)/api/openapi-spec/swagger.json $(APISRC)/config/v1_$(MINOR_VERSION)/swagger.json; \
	fi

# copy versioned files to the base config dir before generating api ref
stageapifiles: createapidir
	cp $(APISRC)/config/v1_$(MINOR_VERSION)/config.yaml $(APISRC)/config/config.yaml
	cp $(APISRC)/config/v1_$(MINOR_VERSION)/swagger.json $(APISRC)/config/swagger.json

# Build kubectl docs
cleancli:
	sudo rm -f main
	sudo rm -rf $(shell pwd)/gen-kubectldocs/generators/includes
	sudo rm -rf $(shell pwd)/gen-kubectldocs/generators/build
	sudo rm -rf $(shell pwd)/gen-kubectldocs/generators/manifest.json

cli: createkubectldir cleancli
	go run gen-kubectldocs/main.go --kubernetes-version v1_$(MINOR_VERSION)
	docker run -v $(shell pwd)/gen-kubectldocs/generators/includes:/source -v $(shell pwd)/gen-kubectldocs/generators/build:/build -v $(shell pwd)/gen-kubectldocs/generators/:/manifest pwittrock/brodocs

copycli: cli
	cp gen-kubectldocs/generators/build/index.html $(WEBROOT)/static/docs/reference/generated/kubectl/kubectl-commands.html
	cp gen-kubectldocs/generators/build/navData.js $(WEBROOT)/static/docs/reference/generated/kubectl/navData.js
	cp $(CLISRC)/scroll.js $(CLIDST)/scroll.js
	cp $(CLISRC)/stylesheet.css $(CLIDST)/stylesheet.css
	cp $(CLISRC)/tabvisibility.js $(CLIDST)/tabvisibility.js
	cp $(CLISRC)/node_modules/bootstrap/dist/css/bootstrap.min.css $(CLIDST)/node_modules/bootstrap/dist/css/bootstrap.min.css
	cp $(CLISRC)/node_modules/highlight.js/styles/default.css $(CLIDST)/node_modules/highlight.js/styles/default.css
	cp $(CLISRC)/node_modules/jquery.scrollto/jquery.scrollTo.min.js $(CLIDST)/node_modules/jquery.scrollto/jquery.scrollTo.min.js
	cp $(CLISRC)/node_modules/jquery/dist/jquery.min.js $(CLIDST)/node_modules/jquery/dist/jquery.min.js
	cp $(CLISRCFONT)/css/font-awesome.min.css $(CLIDSTFONT)/css/font-awesome.min.css

# Build kube component,tool docs
cleancomp:
	rm -rf $(shell pwd)/gen-compdocs/build

comp: cleancomp
	mkdir -p gen-compdocs/build
	go run gen-compdocs/main.go gen-compdocs/build kube-apiserver
	go run gen-compdocs/main.go gen-compdocs/build kube-controller-manager
	go run gen-compdocs/main.go gen-compdocs/build cloud-controller-manager
	go run gen-compdocs/main.go gen-compdocs/build kube-scheduler
	go run gen-compdocs/main.go gen-compdocs/build kubelet
	go run gen-compdocs/main.go gen-compdocs/build kube-proxy
	go run gen-compdocs/main.go gen-compdocs/build kubeadm
	go run gen-compdocs/main.go gen-compdocs/build kubectl

# Build api docs
updateapispec:
	cp $(K8SROOT)/api/openapi-spec/swagger.json gen-apidocs/config/swagger.json

api: cleanapi stageapifiles
	go run gen-apidocs/main.go --work-dir=gen-apidocs --munge-groups=false

cleanapi:
	rm -rf $(shell pwd)/gen-apidocs/build

copyapi: api
	mkdir -p $(APIDST)
	cp $(APISRC)/build/index.html $(APIDST)/index.html
	# copy scroll.js, jquery.scrollTo.min.js and the new navData.js
	mkdir -p $(APIDST)/js
	cp $(APISRC)/build/navData.js $(APIDST)/js/
	cp $(APISRC)/static/js/* $(APIDST)/js/
	# copy stylesheet.css, bootstrap.min.css, font-awesome.min.css
	mkdir -p $(APIDST)/css
	cp $(APISRC)/static/css/* $(APIDST)/css/
	# copy fonts data
	mkdir -p $(APIDST)/fonts
	cp $(APISRC)/static/fonts/* $(APIDST)/fonts/