LIB=crc32
REQS=
ADDONS=
AUXTARGETS=crc32c.js demo/browser.js
CMDS=bin/crc32.njs
HTMLLINT=index.html

ULIB=$(shell echo $(LIB) | tr a-z A-Z)
DEPS=$(sort $(wildcard bits/*.js))
TARGET=$(LIB).js
FLOWTARGET=$(LIB).flow.js
FLOWTGTS=$(TARGET) $(AUXTARGETS)
CLOSURE=/usr/local/lib/node_modules/google-closure-compiler/compiler.jar

ESMJSTGT=crc32.mjs
ESMJSDEPS=$(shell cat misc/mjs.lst)

## Main Targets

.PHONY: all
all: $(TARGET) $(AUXTARGETS) $(ESMJSTGT) crc32c.mjs ## Build library and auxiliary scripts

$(FLOWTGTS): %.js : %.flow.js
	node -e 'process.stdout.write(require("fs").readFileSync("$<","utf8").replace(/^[ \t]*\/\*[:#][^*]*\*\/\s*(\n)?/gm,"").replace(/\/\*[:#][^*]*\*\//gm,""))' > $@

$(FLOWTARGET): $(DEPS)
	cat $^ | tr -d '\15\32' > $@

$(ESMJSTGT): $(ESMJSDEPS)
	cat $^ | tr -d '\15\32' > $@

bits/01_version.js: package.json
	echo "$(ULIB).version = '"`grep version package.json | awk '{gsub(/[^0-9a-z\.-]/,"",$$2); print $$2}'`"';" > $@

.PHONY: clean
clean: clean-baseline ## Remove targets and build artifacts
	rm -f $(TARGET) $(FLOWTARGET)

crc32c.flow.js: crc32.flow.js
	cat $^ | sed 's/-306674912/-2097792136/g; s/CRC32\([ \/\.]\)/CRC32C\1/g' > $@

crc32c.mjs: crc32.mjs
	cat $^ | sed 's/-306674912/-2097792136/g; s/CRC32\([ \/\.]\)/CRC32C\1/g' > $@

## Testing

.PHONY: test mocha
test mocha: test.js $(TARGET) baseline ## Run test suite
	./node_modules/.bin/mocha -R spec -t 60000

.PHONY: ctest
ctest: ## Build browser test (into ctest/ subdirectory)
	cat misc/*.js > ctest/fixtures.js
	cp -f test.js ctest/test.js
	cp -f shim.js ctest/shim.js
	cp -f $(TARGET) ctest/

.PHONY: ctestserv
ctestserv: ## Start a test server on port 8000
	@cd ctest && python -mSimpleHTTPServer || python3 -mhttp.server || npx -y http-server -p 8000 .

.PHONY: baseline
baseline: ## Build test baselines
	@bash ./misc/make_baseline.sh

.PHONY: clean-baseline
clean-baseline: ## Remove test baselines
	@bash ./misc/make_baseline.sh clean

## Code Checking

.PHONY: fullint
fullint: lint old-lint tslint flow mdlint ## Run all checks

.PHONY: lint
lint: $(TARGET) $(AUXTARGETS) ## Run eslint checks
	@eslint --ext .js,.njs,.json,.html,.htm $(TARGET) $(AUXTARGETS) $(CMDS) $(HTMLLINT) package.json
	if [ -e $(CLOSURE) ]; then java -jar $(CLOSURE) $(REQS) $(FLOWTARGET) --jscomp_warning=reportUnknownTypes >/dev/null; fi

.PHONY: old-lint
old-lint: $(TARGET) $(AUXTARGETS) ## Run jshint and jscs checks
	@jshint --show-non-errors $(TARGET) $(AUXTARGETS)
	@jshint --show-non-errors $(CMDS)
	@jshint --show-non-errors package.json
	@jshint --show-non-errors --extract=always $(HTMLLINT)
	@jscs $(TARGET) $(AUXTARGETS)
	if [ -e $(CLOSURE) ]; then java -jar $(CLOSURE) $(REQS) $(FLOWTARGET) --jscomp_warning=reportUnknownTypes >/dev/null; fi

.PHONY: tslint
tslint: $(TARGET) ## Run typescript checks
	#@npm install dtslint typescript
	#@npm run-script dtslint
	dtslint types

.PHONY: flow
flow: lint ## Run flow checker
	@flow check --all --show-all-errors

.PHONY: cov
cov: misc/coverage.html ## Run coverage test

misc/coverage.html: $(TARGET) test.js
	./node_modules/.bin/mocha --require blanket -R html-cov -t 60000 > $@

.PHONY: coveralls
coveralls: ## Coverage Test + Send to coveralls.io
	./node_modules/.bin/mocha --require blanket --reporter mocha-lcov-reporter -t 60000 | node ./node_modules/coveralls/bin/coveralls.js

MDLINT=README.md
.PHONY: mdlint
mdlint: $(MDLINT) ## Check markdown documents
	alex $^
	mdspell -a -n -x -r --en-us $^

.PHONY: perf
perf: ## Run Performance Tests
	@bash perf/perf.sh


.PHONY: help
help:
	@grep -hE '(^[a-zA-Z_-][ a-zA-Z_-]*:.*?|^#[#*])' $(MAKEFILE_LIST) | bash misc/help.sh

#* To show a spinner, append "-spin" to any target e.g. cov-spin
%-spin:
	@make $* & bash misc/spin.sh $$!