#!/usr/bin/make -f

include /usr/share/dpkg/pkg-info.mk

ifeq ($(SOURCE_DATE_EPOCH),)
year := $(shell date +%Y)
else
year := $(shell date --utc --date @$(SOURCE_DATE_EPOCH) +%Y)
endif

DOCS = README.html README.txt

# resolve font version
FONT_VERSION = $(shell otfinfo -i fonts/glyphicons-halflings-regular.ttf | grep -Po '^Unique ID:\s+\K[\d.]+')

%:
	dh $@ -XLICENSE

%.html: %.md
	pandoc --from gfm-raw_html --to html --standalone \
		--metadata title:leaflet-headless \
		--output $@ -- $<

%.txt: %.md
	pandoc --from gfm-raw_html --to plain \
		--output $@ -- $<

override_dh_auto_build: $(DOCS)
	dh_auto_build
	# Mimic concat from Gruntfile
	echo '/*!' \
		> dist/js/bootstrap.js
	echo ' * Bootstrap v$(DEB_VERSION_UPSTREAM) (http://getbootstrap.com)' \
		>> dist/js/bootstrap.js
	echo ' * Copyright 2011-$(year) Twitter, Inc.' \
		>> dist/js/bootstrap.js
	echo ' * Licensed under the MIT license' \
		>> dist/js/bootstrap.js
	echo ' */' \
		>> dist/js/bootstrap.js
	echo '' >> dist/js/bootstrap.js
	echo "if (typeof jQuery === 'undefined') {" \
		>> dist/js/bootstrap.js
	echo "  throw new Error('Bootstrap\'s JavaScript requires jQuery')" \
		>> dist/js/bootstrap.js
	echo "}" \
		>> dist/js/bootstrap.js
	echo '' >> dist/js/bootstrap.js
	echo "+function ($$) {" \
		>> dist/js/bootstrap.js
	echo "  'use strict';" \
		>> dist/js/bootstrap.js
	echo "  var version = $$.fn.jquery.split(' ')[0].split('.')" \
		>> dist/js/bootstrap.js
	echo "  if ((version[0] < 2 && version[1] < 9) || (version[0] == 1 && version[1] == 9 && version[2] < 1) || (version[0] > 3)) {" \
		>> dist/js/bootstrap.js
	echo "    throw new Error('Bootstrap\'s JavaScript requires jQuery version 1.9.1 or higher, but lower than version 4')" \
		>> dist/js/bootstrap.js
	echo "  }" \
		>> dist/js/bootstrap.js
	echo "}(jQuery);" \
		>> dist/js/bootstrap.js
	for i in \
		js/transition.js \
		js/alert.js \
		js/button.js \
		js/carousel.js \
		js/collapse.js \
		js/dropdown.js \
		js/modal.js \
		js/tooltip.js \
		js/popover.js \
		js/scrollspy.js \
		js/tab.js \
		js/affix.js \
		; do \
			echo '' >> dist/js/bootstrap.js && \
			cat $$i >> dist/js/bootstrap.js \
		; done
	# Mimic uglify from Gruntfile
	uglifyjs -o dist/js/bootstrap.min.js dist/js/bootstrap.js
	# Mimic copy from Gruntfile
	cp fonts/* dist/fonts
	# Mimic less from Gruntfile
	lessc --strict-math=on \
		--source-map-url=bootstrap.css.map \
		--source-map=dist/css/bootstrap.css.map \
		less/bootstrap.less dist/css/bootstrap.css
	lessc --strict-math=on \
		--source-map-url=bootstrap-theme.css.map \
		--source-map=dist/css/bootstrap-theme.css.map \
		less/theme.less dist/css/bootstrap-theme.css
	# Mimic cssmin from Gruntfile
	cssmin < dist/css/bootstrap.css > dist/css/bootstrap.min.css
	cssmin < dist/css/bootstrap-theme.css > dist/css/bootstrap-theme.min.css

override_dh_installdocs:
	dh_installdocs -XREADME.md -- $(DOCS)

override_dh_installchangelogs:
	dh_installchangelogs $(CURDIR)/debian/upstream/changelog

# append upstream version to font package
override_dh_gencontrol:
	dh_gencontrol -Nfonts-glyphicons-halflings
	dh_gencontrol -pfonts-glyphicons-halflings \
		-- -v"$(FONT_VERSION)~$(DEB_VERSION)"