# Targets:
#   all             Build everything (default; implies all_fonts)
#   test            Build and test (check) everyything (implies all_check)
#   install         Build and install all OTF files. (currently Mac-only)
#   zip             Build a complete release-grade ZIP archive of all fonts.
#   dist            Create a new release distribution. Does everything.
#
#   all_fonts				Build all styles in all formats
#   all_otf					Build all OTF files into build/unhinted
#   all_ttf					Build all TTF files into build/unhinted
#   all_ttf_hinted	Build all TTF files with hints into build/hinted
#   all_web					Build all WOFF files into build/unhinted
#   all_web_hinted	Build all WOFF files with hints into build/hinted
#   all_check				Build & check all OTF and TTF files
#
# Style-specific targets:
#   STYLE_otf         Build OTF file for STYLE into build/unhinted
#   STYLE_ttf         Build TTF file for STYLE into build/unhinted
#   STYLE_ttf_hinted  Build TTF file for STYLE with hints into build/hinted
#   STYLE_web         Build WOFF files for STYLE into build/unhinted
#   STYLE_web_hinted  Build WOFF files for STYLE with hints into build/hinted
#   STYLE_check       Build & check OTF and TTF files for STYLE
#
all: all_fonts
all_unhinted:  all_ttf  all_otf  all_web
all_hinted:  all_ttf_hinted  all_web_hinted

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.%: src/Inter-UI.designspace $(Regular_ufo_d)
	misc/fontbuild compile -o $@ src/Inter-UI-Regular.ufo

build/unhinted/Inter-UI-Black.%: src/Inter-UI.designspace $(Black_ufo_d)
	misc/fontbuild compile -o $@ src/Inter-UI-Black.ufo

build/unhinted/Inter-UI-%.otf: build/ufo/Inter-UI-%.ufo src/Inter-UI.designspace $(Regular_ufo_d) $(Black_ufo_d)
	misc/fontbuild compile -o $@ $<

build/unhinted/Inter-UI-%.ttf: build/ufo/Inter-UI-%.ufo src/Inter-UI.designspace $(Regular_ufo_d) $(Black_ufo_d)
	misc/fontbuild compile -o $@ $<


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

src/Inter-UI.glyphs:
	@true

$(Regular_ufo_d):
	@true

$(Black_ufo_d):
	@true

# instance UFOs <- master UFOs
build/ufo/Inter-UI-%.ufo: src/Inter-UI.designspace $(Regular_ufo_d) $(Black_ufo_d)
	misc/fontbuild instancegen src/Inter-UI.designspace $*

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


# 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

# load version, used by zip and dist
VERSION := $(shell cat version.txt)

# distribution zip files
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

# intermediate zip target that creates a zip file at build/tmp/a.zip
build/tmp/a.zip: all_fonts
	@rm -rf build/tmp/zip
	@rm -f  build/tmp/a.zip
	@mkdir -p \
		"build/tmp/zip/Inter UI (web)" \
		"build/tmp/zip/Inter UI (web hinted)" \
		"build/tmp/zip/Inter UI (TTF)" \
		"build/tmp/zip/Inter UI (TTF hinted)" \
		"build/tmp/zip/Inter UI (OTF)"
	cp -a build/unhinted/*.woff build/unhinted/*.woff2 \
	                              "build/tmp/zip/Inter UI (web)/"
	cp -a build/hinted/*.woff   build/hinted/*.woff2 \
	                              "build/tmp/zip/Inter UI (web hinted)/"
	cp -a build/unhinted/*.ttf   "build/tmp/zip/Inter UI (TTF)/"
	cp -a build/hinted/*.ttf     "build/tmp/zip/Inter UI (TTF hinted)/"
	cp -a build/unhinted/*.otf   "build/tmp/zip/Inter UI (OTF)/"
	cp -a misc/dist/inter-ui.css "build/tmp/zip/Inter UI (web)/"
	cp -a misc/dist/inter-ui.css "build/tmp/zip/Inter UI (web hinted)/"
	cp -a misc/dist/*.txt        "build/tmp/zip/"
	cp -a LICENSE.txt            "build/tmp/zip/"
	cd build/tmp/zip && zip -q -X -r "../../../$@" * && cd ../..
	@rm -rf build/tmp/zip

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

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

# distribution
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  docs_info  docs_fonts
	# $(MAKE)  docs_info  docs_fonts  -j
	misc/tools/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 version.txt (to the next future version)"
	@echo ""
	@echo "——————————————————————————————————————————————————————————————————"

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

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/

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

docs/lab/glyphinfo.json: build/tmp/UnicodeData.txt misc/tools/gen-glyphinfo.py
	misc/tools/gen-glyphinfo.py -ucd $< src/Inter-UI-*.ufo > $@

docs/glyphs/metrics.json: $(Regular_ufo_d) misc/tools/gen-metrics-and-svgs.py
	misc/tools/gen-metrics-and-svgs.py src/Inter-UI-Regular.ufo

# Download latest Unicode data
build/tmp/UnicodeData.txt:
	@mkdir -p build/tmp
	@echo fetch http://www.unicode.org/Public/UCD/latest/ucd/UnicodeData.txt
	@curl '-#' -o "$@" http://www.unicode.org/Public/UCD/latest/ucd/UnicodeData.txt


# install targets
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

# clean removes generated and built fonts in the build directory
clean:
	rm -rvf build/tmp build/hinted build/unhinted build/otf

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