ABS_DIR := $(dir $(abspath $(lastword $(MAKEFILE_LIST))))
OUT_DIR := _site
TMP_DIR := _cache

.PHONY: default
default: build

########################################
# Command-line arguments
########################################

# make test-htmlproofer:
#   - EXTERNAL_LINKS:
#     If set, external links are checked.


########################################
# Build site with Shake
########################################

CABAL ?= cabal

SHAKE_ARGS += -j
SHAKE_ARGS += --lint
SHAKE_ARGS += --profile=$(TMP_DIR)/reports/build.html
SHAKE_ARGS += --timing

.PHONY: build
build:
	@echo "Building PLFA..."
	@mkdir -p $(TMP_DIR)/reports/
	$(CABAL) $(CABAL_ARGS) v2-update
	$(CABAL) $(CABAL_ARGS) v2-run builder -- build $(SHAKE_ARGS)

.PHONY: clean
clean:
	$(CABAL) $(CABAL_ARGS) v2-run builder -- clean

.PHONY: clobber
clobber:
	$(CABAL) $(CABAL_ARGS) v2-run builder -- clobber


########################################
# Watch for changes with fswatch
########################################

FSWATCH ?= fswatch

FSWATCH_ARGS += --event=IsFile
FSWATCH_ARGS += --event=Created
FSWATCH_ARGS += --event=Updated
FSWATCH_ARGS += --event=Removed
FSWATCH_ARGS += --event=Renamed
FSWATCH_ARGS += --event=MovedFrom
FSWATCH_ARGS += --event=MovedTo
FSWATCH_ARGS += --one-per-batch
FSWATCH_ARGS += --recursive
FSWATCH_ARGS += --exclude="\.git/.*"
FSWATCH_ARGS += --exclude="dist-newstyle/.*"
FSWATCH_ARGS += --exclude="$(OUT_DIR)/.*"
FSWATCH_ARGS += --exclude="$(TMP_DIR)/.*"
FSWATCH_ARGS += "."

.PHONY: watch
watch:
	$(FSWATCH) $(FSWATCH_ARGS) | xargs -n1 -I{} make build


########################################
# Start local server with BrowserSync
########################################

BROWSER_SYNC ?= npx browser-sync

BROWSER_SYNC_ARGS += start
BROWSER_SYNC_ARGS += --server
BROWSER_SYNC_ARGS += --watch
BROWSER_SYNC_ARGS += --no-ui
BROWSER_SYNC_ARGS += --reload-delay 2000
BROWSER_SYNC_ARGS += --reload-debounce 2000

.PHONY: serve
serve:
	(cd $(OUT_DIR) && $(BROWSER_SYNC) $(BROWSER_SYNC_ARGS))


########################################
# Test site with:
# - HTML-validate
# - HTMLProofer
# - EPUBCheck
# - Ace by Daisy
########################################

.PHONY: test
test: test-html-validate

# HTML-validate

HTML_VALIDATE ?= npx html-validate

HTML_VALIDATE_ARGS += .

.PHONY: test-html-validate
test-html-validate:
	@echo "Checking HTML with HTML-validate..."
	(cd $(OUT_DIR) && $(HTML_VALIDATE) $(HTML_VALIDATE_ARGS))


# HTMLProofer

HTML_PROOFER ?= bundle exec htmlproofer

HTML_PROOFER_ARGS += --allow-hash-href
HTML_PROOFER_ARGS += --allow-missing-href
HTML_PROOFER_ARGS += --checks=Images,Links,Scripts
HTML_PROOFER_ARGS += --check-sri
ifeq ($(EXTERNAL_LINKS),true)
HTML_PROOFER_ARGS += --no-disable-external
else
HTML_PROOFER_ARGS += --disable-external
endif
HTML_PROOFER_ARGS += --ignore-urls="/github.com/,/java.com/,/pre-commit.ci/,/shields.io/,/web.archive.org/"
HTML_PROOFER_ARGS += --log-level=":info"
HTML_PROOFER_ARGS += --only-4xx
HTML_PROOFER_ARGS += --swap-urls="plfa.github.io:."
HTML_PROOFER_ARGS += --cache='{"timeframe":{"external":"2w"},"storage_dir":"$(ABS_DIR)$(TMP_DIR)/htmlproofer/"}'
HTML_PROOFER_ARGS += .

.PHONY: test-htmlproofer
test-htmlproofer:
	@echo "Checking HTML with HTMLProofer..."
	(cd $(OUT_DIR) && $(HTML_PROOFER) $(HTML_PROOFER_ARGS))


# EPUBCheck

EPUBCHECK ?= epubcheck

EPUBCHECK_ARGS += --customMessages .epubcheck.tsv
EPUBCHECK_ARGS += $(OUT_DIR)/plfa.epub

.PHONY: test-epubcheck
test-epubcheck:
	@echo "Checking EPUB with EPUBCheck..."
	$(EPUBCHECK) $(EPUBCHECK_ARGS)


# Ace by Daisy

ACE ?= npx @daisy/ace

ACE_ARGS += --lang=en
ACE_ARGS += --tempdir=$(TMP_DIR)/ace
ACE_ARGS += --outdir=$(TMP_DIR)/ace
ACE_ARGS += $(OUT_DIR)/plfa.epub

.PHONY: test-ace
test-ace:
	@echo "Checking EPUB with Ace by DAISY..."
	$(ACE) $(ACE_ARGS)
	@echo "See report: $(TMP_DIR)/ace/report.html"