NODE_DIR := $(shell jiri profile list --info Target.InstallationDir v23:nodejs)
PATH := node_modules/.bin:${NODE_DIR}/bin:$(PATH)
VDLPATH := $(JIRI_ROOT)/release/go/src
VDLROOT := $(JIRI_ROOT)/release/go/src/v.io/v23/vdlroot
WSPR_ROOT := $(JIRI_ROOT)/release/go/src/v.io/x/ref/services/wspr
SHELL := /bin/bash -e -o pipefail
.DEFAULT_GOAL := all

# NOTE: we run npm using 'node npm' to avoid relying on the shebang line in the
# npm script, which can exceed the Linux shebang length limit on Jenkins.
NPM := $(NODE_DIR)/bin/npm

JS_FILES = $(shell find src -name "*.js" -o -name "*.css")

define BROWSERIFY
	mkdir -p $(dir $2)
	browserify $1 --transform brfs --debug --outfile $2
endef

define BROWSERIFY-TEST
	mkdir -p $(dir $2)
	browserify $1 --transform brfs --transform envify --debug --outfile $2
endef

define COMPILE-NACL-PLUGIN
	mkdir -p $(dir $2)
	unset GOARCH GOOS; jiri -v go -v --profiles=v23:nacl --target=amd64p32-nacl build -v -o $2 $1
endef

all: vanadium.zip

build/html: html/*
	mkdir -p build
	cp -r html build

build/images: images/*
	mkdir -p build
	cp -r images build

build/manifest.json: manifest.json
	mkdir -p build
	cp manifest.json build

build/js/background.js: src/background/index.js $(JS_FILES) gen-vdl node_modules
	$(call BROWSERIFY,$<,$@)

build/js/content.js: src/content/index.js $(JS_FILES) node_modules
	$(call BROWSERIFY,$<,$@)

build/js/options.js: src/background/options.js $(JS_FILES) node_modules
	$(call BROWSERIFY,$<,$@)

build/js/addcaveats.js: src/background/addcaveats.js $(JS_FILES) node_modules
	$(call BROWSERIFY,$<,$@)

build/js: build/js/background.js build/js/content.js build/js/options.js build/js/addcaveats.js

build/nacl/main.nmf: nacl
	mkdir -p $(dir $@)
	cp -r nacl/main.nmf $@

build/nacl/main-64.nexe: $(JIRI_ROOT)/release/go/src/v.io/x/ref/services/wspr/browsprd/main_nacl.go
	@$(call COMPILE-NACL-PLUGIN,$<,$@)

build/nacl: build/nacl/main.nmf build/nacl/main-64.nexe

build: build/html build/images build/manifest.json build/js build/nacl

build-dev: build
	patch build/manifest.json < manifest-test.json.patch # Adds "key" as first line.

vanadium.zip: build
	zip -r $@ ./build/*

build-test/html: html/*
	mkdir -p build-test
	cp -r html build-test

build-test/images: images/*
	mkdir -p build-test
	cp -r images build-test

build-test/manifest.json: manifest.json
	mkdir -p build-test
	cp manifest.json build-test
	patch build-test/manifest.json < manifest-test.json.patch # Adds "key" as first line.

build-test/js/background.js: src/background/index.js $(JS_FILES) gen-vdl node_modules
	$(call BROWSERIFY-TEST,$<,$@)

build-test/js/content.js: src/content/index.js $(JS_FILES) node_modules
	$(call BROWSERIFY-TEST,$<,$@)

build-test/js/options.js: src/background/options.js $(JS_FILES) node_modules
	$(call BROWSERIFY-TEST,$<,$@)

build-test/js/addcaveats.js: src/background/addcaveats.js $(JS_FILES) node_modules
	$(call BROWSERIFY-TEST,$<,$@)

# The EXTENSION_SETTINGS env variable is used by the extension to set the default settings variables.
build-test/js: export EXTENSION_SETTINGS := {"namespaceRoot": "$(V23_NAMESPACE)",\
                                             "proxy": "test/proxy",\
                                             "identityd": "$(IDENTITYD)",\
                                             "identitydBlessingUrl": "$(IDENTITYD_BLESSING_URL)",\
                                             "logLevel": "1",\
                                             "logModule": "wspr.go=3"}
# The TEST_ACCESS_TOKEN and TEST_CAVEATS env variables allow the tests to run without user input.
build-test/js: export TEST_ACCESS_TOKEN := test-access-token
build-test/js: export TEST_CAVEATS := 24h
# The ALLOW_INTENTIONAL_CRASH env variable is used to test that the extension can restart after a crash.
build-test/js: export ALLOW_INTENTIONAL_CRASH := true
build-test/js: build-test/js/background.js build-test/js/content.js build-test/js/options.js build-test/js/addcaveats.js

build-test/nacl/main.nmf: nacl
	mkdir -p $(dir $@)
	cp -r nacl/main.nmf $@

build-test/nacl/main-64.nexe: $(WSPR_ROOT)/browsprd/main_nacl.go
	$(call COMPILE-NACL-PLUGIN,$<,$@)

build-test/nacl: build-test/nacl/main.nmf build-test/nacl/main-64.nexe

build-test: build-test/html build-test/images build-test/manifest.json build-test/js build-test/nacl

gen-vdl: $(WSPR_ROOT)/internal/channel/channel.vdl $(WSPR_ROOT)/internal/browspr/browspr.vdl $(WSPR_ROOT)/internal/account/account.vdl
	VDLPATH=$(VDLPATH) VDLROOT=$(VDLROOT) vdl generate -lang=javascript \
		-js-out-dir="$(JIRI_ROOT)/release/javascript/core/extension/vdl" \
		-js-relative-path-to-core=../../src $(dir $^)
	# TODO(bjornick): We build the vdlroot stuff with a different set of command line options because the package
	# path does not equal the directory path of the source file.  This is not ideal, but bjornick and toddw will
	# discuss how to fix this later.
	VDLPATH=$(VDLPATH) VDLROOT=$(VDLROOT) vdl generate -lang=javascript \
		-js-relative-path-to-core=../../../../../src \
		-js-out-dir="$(JIRI_ROOT)/release/javascript/core/extension/vdl" \
		$(VDLROOT)/...

example-server: example/index.bundle.js
	static "example" -H '{"Cache-Control": "no-cache, must-revalidate"}'

example/index.bundle.js: example/index.js node_modules
	browserify $< --transform brfs --global-transform envify --debug --outfile $@

lint: node_modules
	jshint src/ example/index.js

dependency-check: node_modules
	dependency-check package.json --entry src/background/index.js --entry src/content/index.js

clean:
	@$(RM) -fr node_modules npm-debug.log
	@$(RM) -fr vanadium.zip build build-test

node_modules: package.json | check-that-npm-is-in-path
	@node $(NPM) prune
	@node $(NPM) install --quiet

check-that-npm-is-in-path:
	@which npm > /dev/null || { echo "npm is not in the path. Did you remember to run 'jiri profile install v23:nodejs'?"; exit 1; }

.PHONY: all build build-dev clean dependency-check gen-vdl lint

# Always rebuild the plugin.
.PHONY: nacl/main-64.nexe

# Always rebuild the example server.
.PHONY: example/index.bundle.js