SHELL=/bin/bash
LIB=xlsx
FMT=xlsx xlsm xlsb ods xls xml misc full
REQS=jszip.js
ADDONS=dist/cpexcel.js
AUXTARGETS=ods.js
CMDS=bin/xlsx.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

## Main Targets

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

$(TARGET): $(DEPS)
	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}'`"';" > $@

bits/18_cfb.js: node_modules/cfb/dist/xlscfb.js
	cp $^ $@

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

.PHONY: clean-data
clean-data:
	rm -f *.xlsx *.xlsm *.xlsb *.xls *.xml

.PHONY: init
init: ## Initial setup for development
	git submodule init
	git submodule update
	git submodule foreach git pull origin master
	git submodule foreach make
	mkdir -p tmp

.PHONY: dist
dist: dist-deps $(TARGET) bower.json ## Prepare JS files for distribution
	cp $(TARGET) dist/
	cp LICENSE dist/
	uglifyjs $(TARGET) -o dist/$(LIB).min.js --source-map dist/$(LIB).min.map --preamble "$$(head -n 1 bits/00_header.js)"
	misc/strip_sourcemap.sh dist/$(LIB).min.js
	uglifyjs $(REQS) $(TARGET) -o dist/$(LIB).core.min.js --source-map dist/$(LIB).core.min.map --preamble "$$(head -n 1 bits/00_header.js)"
	misc/strip_sourcemap.sh dist/$(LIB).core.min.js
	uglifyjs $(REQS) $(ADDONS) $(TARGET) -o dist/$(LIB).full.min.js --source-map dist/$(LIB).full.min.map --preamble "$$(head -n 1 bits/00_header.js)"
	misc/strip_sourcemap.sh dist/$(LIB).full.min.js

.PHONY: dist-deps
dist-deps: ods.js ## Copy dependencies for distribution
	cp node_modules/codepage/dist/cpexcel.full.js dist/cpexcel.js
	cp jszip.js dist/jszip.js
	cp ods.js dist/ods.js

bower.json: misc/_bower.json package.json
	cat $< | sed 's/_VERSION_/'`grep version package.json | awk '{gsub(/[^0-9a-z\.-]/,"",$$2); print $$2}'`'/' > $@

.PHONY: aux
aux: $(AUXTARGETS)

.PHONY: ods
ods: ods.js

ODSDEPS=$(sort $(wildcard odsbits/*.js))
ods.js: $(ODSDEPS) ## Build ODS support library
	cat $(ODSDEPS) | tr -d '\15\32' > $@
	cp ods.js dist/ods.js


## Testing

.PHONY: test mocha
test mocha: test.js ## Run test suite
	mocha -R spec -t 20000

#*                      To run tests for one format, make test_<fmt>
TESTFMT=$(patsubst %,test_%,$(FMT))
.PHONY: $(TESTFMT)
$(TESTFMT): test_%:
	FMTS=$* make test


## Code Checking

.PHONY: lint
lint: $(TARGET) ## Run jshint and jscs checks
	@jshint --show-non-errors $(TARGET) $(AUXTARGETS)
	@jshint --show-non-errors $(CMDS)
	@jshint --show-non-errors package.json bower.json
	@jshint --show-non-errors --extract=always $(HTMLLINT)
	@jscs $(TARGET) $(AUXTARGETS)

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

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

#*                      To run coverage tests for one format, make cov_<fmt>
COVFMT=$(patsubst %,cov_%,$(FMT))
.PHONY: $(COVFMT)
$(COVFMT): cov_%:
	FMTS=$* make cov

misc/coverage.html: $(TARGET) test.js
	mocha --require blanket -R html-cov -t 20000 > $@

.PHONY: coveralls coveralls-spin
coveralls: ## Coverage Test + Send to coveralls.io
	mocha --require blanket --reporter mocha-lcov-reporter -t 20000 | node ./node_modules/coveralls/bin/coveralls.js


.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 $$!