SOURCES = ikiwiki

ikiwiki_ORIGIN = http://source.jones.dk/ikiwiki_MODULE.git
ikiwiki_UNDERLAYS = basewiki smiley templates
ikiwiki_BRANCH = master-LOCALE
ikiwiki_LOCALES = da

#dummy_UNDERLAYS = content_dummy

# Everything after this is generic

underlays_l10n = $(foreach source, $(SOURCES), $(foreach locale, $($(source)_LOCALES), $(patsubst %,%_l10n/$(locale),$($(source)_UNDERLAYS))))
underlays = $(foreach source, $(SOURCES), $($(source)_UNDERLAYS)) $(underlays_l10n)

# FIXME: Handle translation of templates (needs po4a parser for HTML::Template markup)
#potfiles = $(foreach source, $(SOURCES), $(patsubst %,po/%.pot,$($(source)_UNDERLAYS)))
potfiles = $(foreach source, $(SOURCES), $(patsubst %,po/%.pot,$(filter-out templates,$($(source)_UNDERLAYS))))
pofiles = $(foreach source, $(SOURCES), $(foreach locale, $($(source)_LOCALES), $(patsubst %.pot,%.$(locale).po,$(potfiles))))
l10nfiles = $(foreach source, $(SOURCES), $(foreach locale, $($(source)_LOCALES), $(foreach underlay,$(patsubst po/%.$(locale).po,%,$(pofiles)), $(patsubst %,$(l10ndir)/%,$(l10nfiles_in_underlay)))))

source_of_underlay = $(firstword $(foreach source, $(SOURCES), $(if $(filter $(underlay),$($(source)_UNDERLAYS)),$(source))))
origin = $(subst MODULE,$(underlay),$($(source_of_underlay)_ORIGIN))
master = $(subst -LOCALE,$(locale:%=-$(locale)),$($(source_of_underlay)_BRANCH))

masterdir = $(underlay)
l10ndir = $(underlay)_l10n/$(locale)
# FIXME: The po4a plugin for HTML::Template needs to be written...
fileformat = $(if $(filter templates,$(underlay)),htmltemplate,text)
filetype = $(if $(filter templates,$(underlay)),tmpl,mdwn)
l10nfiles_in_underlay = $(shell cd "$(masterdir)" && find * -type f -name '*.$(filetype)')

all: $(underlays) $(dummies)

$(underlays): locale=$(if $(filter l10n/,$(lastword $(subst _, ,$(dir $@)))),$(notdir $@))
$(underlays): underlay=$(@:%_l10n/$(locale)=%)
$(underlays):
	mkdir -p $@
	@if [ -d "$@/.git" ]; then \
		cd $@ && \
		git pull; \
	else \
		cd $@ && \
		git init && \
		git remote add -f -t $(master) -m $(master) origin $(origin) && \
		git merge origin && \
		git config remote.origin.push +refs/heads/master:refs/heads/$(master); \
	fi

pot: $(potfiles)
po: pot $(pofiles)
translations: po $(l10nfiles)

$(potfiles): underlay=$(patsubst po/%.pot,%,$@)
$(potfiles):
	cd "$(masterdir)" && po4a-gettextize -M UTF-8 -L UTF-8 -f $(fileformat) $(patsubst %,-m %,$(l10nfiles_in_underlay)) -p $(CURDIR)/$@

$(pofiles): underlay=$(basename $(patsubst po/%.po,%,$@))
$(pofiles): locale=$(patsubst .%,%,$(suffix $(patsubst po/%.po,%,$@)))
ifeq ($(translation_mode),init)
$(pofiles):
#	cd "$(masterdir)" && po4a-gettextize -M UTF-8 -L UTF-8 -f $(fileformat) $(patsubst %,-m %,$(l10nfiles_in_underlay)) $(patsubst %,-l $(CURDIR)/$(l10ndir)/%,$(l10nfiles_in_underlay)) -p $(CURDIR)/$@
	( cd "$(masterdir)" && po4a-gettextize -M UTF-8 -L UTF-8 -f $(fileformat) $(patsubst %,-m %,$(l10nfiles_in_underlay)) $(patsubst %,-l $(CURDIR)/$(l10ndir)/%,$(l10nfiles_in_underlay)) ) \
		| grep -v '#, fuzzy' \
		> $@
else
$(pofiles):
	cd "$(masterdir)" && po4a-updatepo -M UTF-8 -f $(fileformat) $(patsubst %,-m %,$(l10nfiles_in_underlay)) -p $(CURDIR)/$@
endif

#$(error $(l10nfiles):)
$(l10nfiles): underlay=$(patsubst %_l10n,%,$(firstword $(subst /, ,$@)))
$(l10nfiles): locale=$(patsubst %_l10n,%,$(word 2,$(subst /, ,$@)))
$(l10nfiles):
	mkdir -p $(l10ndir)
ifeq ($(translation_mode),init)
	cd "$(l10ndir)" && po4a-translate -M UTF-8 -L UTF-8 -k 0 -f $(fileformat) -m $(CURDIR)/$(patsubst $(l10ndir)/%,$(masterdir)/%,$@) -p $(CURDIR)/po/$(underlay).$(locale).po -l $(CURDIR)/$@
else
	cd "$(l10ndir)" && po4a-translate -M UTF-8 -L UTF-8 -k 100 -f $(fileformat) -m $(CURDIR)/$(patsubst $(l10ndir)/%,$(masterdir)/%,$@) -p $(CURDIR)/po/$(underlay).$(locale).po -l $(CURDIR)/$@
endif

$(dummies):
	mkdir -p $@

install:
	$(error FIXME: you need to adjust ikiwiki.setup first!)
#	ikiwiki --setup ikiwiki.setup --rebuild

# WARNING: this may wipe unrelated files too!
ultraclean:
	rm -rf $(underlays)
	rm -rf $(dir $(underlays_l10n))
	rm -rf $(dummies)


.PHONY: pot po translations $(underlays)