# Targets:
#   all           Build all styles in all formats (default)
#   all_ttf       Build all styles as TrueType
#   all_otf       Build all styles as OpenType
#   all_hinted    Build all styles as autohinted TrueType
#   STYLE         Build STYLE in all formats (e.g. MediumItalic)
#   STYLE_hinted  Build STYLE in TTF and web formats with autohints
#   STYLE_ttf     Build STYLE as TrueType (e.g. MediumItalic_ttf)
#   zip           Build all styles as TrueType and package into a zip archive
#   install       Build all (web, ttf and otf) and install. Mac-only for now.
#   dist          Create a new release distribution. Does everything.
#
all: all_fonts
all_unhinted:  all_ttf  all_otf  all_web
all_hinted:  all_ttf_hinted  all_web_hinted

VERSION := $(shell cat version.txt)

export PATH := $(PWD)/build/venv/bin:$(PATH)

# generated.make is automatically generated by init.sh and defines depenencies for
# all styles and alias targets
include build/etc/generated.make


# TTF -> WOFF2
build/%.woff2: build/%.ttf
	woff2_compress "$<"

# TTF -> WOFF
build/%.woff: build/%.ttf
	ttf2woff -O -t woff "$<" "$@"

# TTF -> EOT (disabled)
# build/%.eot: build/%.ttf
# 	ttf2eot "$<" > "$@"


# UFO -> OTF, TTF
build/unhinted/Inter-UI-Regular.%: master_ufo_regular
	misc/fontbuild compile -o $@ src/Inter-UI-Regular.ufo

build/unhinted/Inter-UI-Black.%: master_ufo_black
	misc/fontbuild compile -o $@ src/Inter-UI-Black.ufo

build/unhinted/Inter-UI-%.otf: build/ufo/Inter-UI-%.ufo
	misc/fontbuild compile -o $@ $<

build/unhinted/Inter-UI-%.ttf: build/ufo/Inter-UI-%.ufo
	misc/fontbuild compile -o $@ $<


# designspace <- glyphs file
src/Inter-UI.designspace: src/Inter-UI.glyphs
	misc/fontbuild glyphsync $<

# instance UFOs <- master UFOs
build/ufo/Inter-UI-%.ufo: master_ufo_regular master_ufo_black
	misc/fontbuild instancegen src/Inter-UI.designspace $*

# master UFOs <- designspace
master_ufo_regular: src/Inter-UI.designspace $(Regular_ufo_d)
master_ufo_black: src/Inter-UI.designspace $(Black_ufo_d)

# Note: The seemingly convoluted dependency graph above is required to
# make sure that glyphsync and instancegen are not run in parallel.

.PHONY: master_ufo_regular master_ufo_black


# hinted TTF files via autohint
build/hinted/%.ttf: build/unhinted/%.ttf
	@mkdir -p build/hinted
	@echo ttfautohint "$<" "$@"
	@ttfautohint \
	  --hinting-limit=256 \
	  --hinting-range-min=8 \
	  --hinting-range-max=64 \
	  --fallback-stem-width=256 \
	  --no-info \
	  --verbose \
	  "$<" "$@"

# test runs all tests
# Note: all_check is generated by init.sh and runs "fontbuild checkfont"
# on all otf and ttf files.
test: all_check


ZIP_FILE_DIST := build/release/Inter-UI-${VERSION}.zip
ZIP_FILE_DEV  := build/release/Inter-UI-${VERSION}-$(shell git rev-parse --short=10 HEAD).zip

# zip intermediate
build/.zip.zip: all_otf all_ttf
	$(MAKE) all_web all_web_hinted -j
	@rm -rf build/.zip
	@rm -f build/.zip.zip
	@mkdir -p \
		"build/.zip/Inter UI (web)" \
		"build/.zip/Inter UI (web hinted)" \
		"build/.zip/Inter UI (TTF)" \
		"build/.zip/Inter UI (TTF hinted)" \
		"build/.zip/Inter UI (OTF)"
	@cp -a build/unhinted/*.woff build/unhinted/*.woff2 \
	  "build/.zip/Inter UI (web)/"
	@cp -a misc/doc/inter-ui.css "build/.zip/Inter UI (web)/"
	@cp -a build/hinted/*.woff build/hinted/*.woff2 \
		"build/.zip/Inter UI (web hinted)/"
	@cp -a misc/doc/inter-ui.css "build/.zip/Inter UI (web hinted)/"
	@cp -a build/unhinted/*.ttf   "build/.zip/Inter UI (TTF)/"
	@cp -a build/hinted/*.ttf     "build/.zip/Inter UI (TTF hinted)/"
	@cp -a build/unhinted/*.otf   "build/.zip/Inter UI (OTF)/"
	@cp -a misc/doc/*.txt              "build/.zip/"
	@cp -a LICENSE.txt                 "build/.zip/"
	cd build/.zip && zip -v -X -r "../../build/.zip.zip" * >/dev/null && cd ../..
	@rm -rf build/.zip

# zip
build/release/Inter-UI-%.zip: build/.zip.zip
	@mkdir -p "$(shell dirname "$@")"
	@mv -f "$<" "$@"
	@echo write "$@"

zip: ${ZIP_FILE_DEV}
zip_dist: pre_dist test ${ZIP_FILE_DIST}

pre_dist:
	@echo "Creating distribution for version ${VERSION}"
	@if [ -f "${ZIP_FILE_DIST}" ]; \
		then echo "${ZIP_FILE_DIST} already exists. Bump version or remove the zip file to continue." >&2; \
		exit 1; \
  fi

dist: zip_dist
	$(MAKE) geninfo copy_docs_fonts -j8
	misc/versionize-css.py
	@echo "——————————————————————————————————————————————————————————————————"
	@echo ""
	@echo "Next steps:"
	@echo ""
	@echo "1) Commit & push changes"
	@echo ""
	@echo "2) Create new release with ${ZIP_FILE_DIST} at"
	@echo "   https://github.com/rsms/inter/releases/new?tag=v${VERSION}"
	@echo ""
	@echo "3) Bump version in src/fontbuild.cfg and commit"
	@echo ""
	@echo "——————————————————————————————————————————————————————————————————"

copy_docs_fonts:
	rm -rf docs/font-files
	mkdir docs/font-files
	cp -a build/unhinted/*.woff build/unhinted/*.woff2 build/unhinted/*.otf docs/font-files/

install_ttf: all_ttf_unhinted
	$(MAKE) all_web -j
	@echo "Installing TTF files locally at ~/Library/Fonts/Inter UI"
	rm -rf ~/'Library/Fonts/Inter UI'
	mkdir -p ~/'Library/Fonts/Inter UI'
	cp -va build/unhinted/*.ttf ~/'Library/Fonts/Inter UI'

install_ttf_hinted: all_ttf
	$(MAKE) all_web -j
	@echo "Installing autohinted TTF files locally at ~/Library/Fonts/Inter UI"
	rm -rf ~/'Library/Fonts/Inter UI'
	mkdir -p ~/'Library/Fonts/Inter UI'
	cp -va build/hinted/*.ttf ~/'Library/Fonts/Inter UI'

install_otf: all_otf
	$(MAKE) all_web -j
	@echo "Installing OTF files locally at ~/Library/Fonts/Inter UI"
	rm -rf ~/'Library/Fonts/Inter UI'
	mkdir -p ~/'Library/Fonts/Inter UI'
	cp -va build/unhinted/*.otf ~/'Library/Fonts/Inter UI'

install: install_otf


geninfo: docs/_data/fontinfo.json docs/lab/glyphinfo.json docs/glyphs/metrics.json

src/glyphorder.txt: src/Inter-UI-Regular.ufo/lib.plist src/Inter-UI-Black.ufo/lib.plist src/diacritics.txt misc/gen-glyphorder.py
	misc/gen-glyphorder.py src/Inter-UI-*.ufo > src/glyphorder.txt

docs/_data/fontinfo.json: misc/fontinfo.py docs/font-files/Inter-UI-*.otf
	misc/fontinfo.py -pretty docs/font-files/Inter-UI-Regular.otf > docs/_data/fontinfo.json

docs/lab/glyphinfo.json: _local/UnicodeData.txt src/glyphorder.txt src/fontbuild.cfg misc/gen-glyphinfo.py
	misc/gen-glyphinfo.py -ucd _local/UnicodeData.txt \
	  src/Inter-UI-*.ufo > docs/lab/glyphinfo.json

docs/glyphs/metrics.json: src/glyphorder.txt src/fontbuild.cfg misc/gen-metrics-and-svgs.py $(Regular_ufo_d)
	misc/gen-metrics-and-svgs.py -f src/Inter-UI-Regular.ufo


# Download latest Unicode data
_local/UnicodeData.txt:
	@mkdir -p _local
	curl -s '-#' -o "$@" \
	  http://www.unicode.org/Public/UCD/latest/ucd/UnicodeData.txt

clean:
	rm -rvf build/tmp build/hinted build/unhinted

.PHONY: all web clean install install_otf install_ttf deploy zip zip_dist pre_dist dist geninfo copy_docs_fonts all_hinted test glyphsync