SHELL := /usr/bin/env bash
GOOD_FEATURE_FILES = $(shell find testdata/good -name "*.feature")
BAD_FEATURE_FILES  = $(shell find testdata/bad -name "*.feature")

TOKENS   = $(patsubst testdata/%.feature,acceptance/testdata/%.feature.tokens,$(GOOD_FEATURE_FILES))
ASTS     = $(patsubst testdata/%.feature,acceptance/testdata/%.feature.ast.ndjson,$(GOOD_FEATURE_FILES))
PICKLES  = $(patsubst testdata/%.feature,acceptance/testdata/%.feature.pickles.ndjson,$(GOOD_FEATURE_FILES))
SOURCES  = $(patsubst testdata/%.feature,acceptance/testdata/%.feature.source.ndjson,$(GOOD_FEATURE_FILES))
ERRORS   = $(patsubst testdata/%.feature,acceptance/testdata/%.feature.errors.ndjson,$(BAD_FEATURE_FILES))

RUBY_FILES = $(shell find . -name "*.rb")

all: .compared
.PHONY: all

.compared: .built $(TOKENS) $(ASTS) $(PICKLES) $(ERRORS) $(SOURCES)
	touch $@

.built: lib/gherkin/parser.rb lib/gherkin/gherkin-languages.json $(RUBY_FILES) bin/gherkin Gemfile.lock
	bundle exec rspec --color
	touch $@

acceptance/testdata/%.feature.tokens: testdata/%.feature testdata/%.feature.tokens .built
	mkdir -p `dirname $@`
	bin/gherkin-generate-tokens $< > $@
	diff --unified $<.tokens $@
.DELETE_ON_ERROR: acceptance/testdata/%.feature.tokens

acceptance/testdata/%.feature.ast.ndjson: testdata/%.feature testdata/%.feature.ast.ndjson .built
	mkdir -p `dirname $@`
	bin/gherkin --no-source --no-pickles $< | jq --sort-keys --compact-output "." > $@
	diff --unified <(jq "." $<.ast.ndjson) <(jq "." $@)
.DELETE_ON_ERROR: acceptance/testdata/%.feature.ast.ndjson

acceptance/testdata/%.feature.pickles.ndjson: testdata/%.feature testdata/%.feature.pickles.ndjson .built
	mkdir -p `dirname $@`
	bin/gherkin --no-source --no-ast $< | jq --sort-keys --compact-output "." > $@
	diff --unified <(jq "." $<.pickles.ndjson) <(jq "." $@)
.DELETE_ON_ERROR: acceptance/testdata/%.feature.pickles.ndjson

acceptance/testdata/%.feature.source.ndjson: testdata/%.feature testdata/%.feature.source.ndjson .built
	mkdir -p `dirname $@`
	bin/gherkin --no-ast --no-pickles $< | jq --sort-keys --compact-output "." > $@
	diff --unified <(jq "." $<.source.ndjson) <(jq "." $@)
.DELETE_ON_ERROR: acceptance/testdata/%.feature.source.ndjson

acceptance/testdata/%.feature.errors.ndjson: testdata/%.feature testdata/%.feature.errors.ndjson .built
	mkdir -p `dirname $@`
	bin/gherkin $< | jq --sort-keys --compact-output "." > $@
	diff --unified <(jq "." $<.errors.ndjson) <(jq "." $@)
.DELETE_ON_ERROR: acceptance/testdata/%.feature.errors.ndjson

clean:
	rm -rf .compared .built acceptance lib/gherkin/parser.rb coverage
.PHONY: clean

lib/gherkin/parser.rb: gherkin.berp gherkin-ruby.razor berp/berp.exe
	mono berp/berp.exe -g gherkin.berp -t gherkin-ruby.razor -o $@
	# Remove BOM
	tail -c +4 $@ > $@.nobom
	mv $@.nobom $@

Gemfile.lock: Gemfile
	bundle install