# prerequisities:
# - xsltproc
# - inkscape
# - isaviz (http://www.w3.org/2001/11/IsaViz/)
#   - tested: http://www.w3.org/2001/11/IsaViz/dist/isaviz-src-3.0-alpha1.zip

#DEBUG = 1
ifndef DEBUG
  DEBUG = 0
endif
ifeq (${DEBUG},0)
  DEBUG_RM_DEP = rm -f -- $<
else
  DEBUG_RM_DEP =
endif

ONTOGEN_dir ?= ontogen
HTML_NSSCHEMAXSL_file = ${ONTOGEN_dir}/ns-schema.xsl
RDF_ISAVIZPREPROCESSXSL_file = ${ONTOGEN_dir}/isaviz-preprocess.xsl
RDF_ISAVIZPOSTPROCESSXSL_file = ${ONTOGEN_dir}/isaviz-postprocess.xsl

SVG_ISAVIZ_path       ?= ~/wrkspc/sw/IsaViz
SVG_ISAVIZ_runner     ?= ./run.sh
SVG_ISAVIZ_cfg         = ~/isaviz.cfg
SVG_ISAVIZ_font        = Liberation Mono
SVG_ISAVIZ_fontsize    = 10
# LR or TB (not recommended)
SVG_ISAVIZ_orientation = LR
SVG_ISAVIZ_charcount   = 30

SVG_BIGGERXSL_url = http://inkscape-forum.andreas-s.net/attachment/2730/bigger.xsl
#SVG_BIGGERXSL_url = http://sourceforge.net/mailarchive/attachment.php?list_name=inkscape-user&message_id=20080925142218.2ba4194e%40nrri.umn.edu
#SVG_BIGGERXSL_file ?= $(shell \
#  wget -nv -nc --content-disposition --delete-after ${SVG_BIGGERXSL_url} \
#  | cut -d' ' -f6 \
#)
SVG_BIGGERXSL_file = bigger.xsl
SVG_BIGGERXSL_scale = 0.9

TARGETS_PY = $(shell \
  find -maxdepth 1 -name '*.py' -and -executable -and -type f -printf '%f\n' \
)
TARGETS = $(TARGETS_PY:.py=)
REMOVE = ${TARGETS:=.requires} ${TARGETS:=.1.rdf} ${TARGETS:=.1.svg} ${TARGETS:=.2.svg}
REMOVE_SYMLINKS = ${TARGETS:=.rdf} ${TARGETS:=.html} ${TARGETS:=.svg}
                  
.PHONY = ${TARGETS} clean mrproper

# top-level wrapper
${TARGETS}: %: %.requires
	${DEBUG_RM_DEP}

ifneq ($(MAKECMDGOALS),clean)
  $(foreach target,${TARGETS},$(eval -include ${target:=.requires}))
endif

# rdf + html
$(TARGETS:=.requires): %.requires: %.rdf
	touch $<

$(TARGETS:=.rdf) : %.rdf: %.py
	./$< AUTO | grep -E '^self-figure: ' | cut -d' ' -f2 \
	  | xargs -I'{}' find -L {} -printf '$(@:.rdf=): %f\n' \
	  >> $(@:.rdf=.requires)
	# ^ -not/-empty condition?

# only used if html accidentally deleted and rdf kept
$(TARGETS:=.html):: %.html: %.rdf
	xsltproc --stringparam xmlfile $< ${HTML_NSSCHEMAXSL_file} $< > $@

$(TARGETS:=.svg): %.svg: %.2.svg ${SVG_BIGGERXSL_file}
	xsltproc --stringparam scale ${SVG_BIGGERXSL_scale} \
	  ${SVG_BIGGERXSL_file} $< > $@
	inkscape $@ --verb FitCanvasToDrawing --verb FileVacuum \
	  --verb FileSave --verb FileClose
	${DEBUG_RM_DEP}

$(TARGETS:=.1.rdf): %.1.rdf: %.rdf ${RDF_ISAVIZPREPROCESSXSL_file}
	xsltproc ${RDF_ISAVIZPREPROCESSXSL_file} $< > $@

$(TARGETS:=.2.svg): %.2.svg: %.1.svg ${RDF_ISAVIZPOSTPROCESSXSL_file}
	xsltproc ${RDF_ISAVIZPOSTPROCESSXSL_file} $< > $@
	${DEBUG_RM_DEP}

$(TARGETS:=.1.svg): %.svg: %.rdf ${SVG_ISAVIZ_path}/${SVG_ISAVIZ_runner}
	@echo "    Sorry, this part currently requires manual actions:"
	@echo "    1. File - Import - Replace - RDF/XML from file: $<"
	@echo "    2. View - Suggest Layout (only to get a better form; 14pt?)"
	@echo "    3. Optionally increase font size for better final look"
	@echo "       via Edit - Preferences - Rendering/GSS"
	@echo "    4. Export - SVG: $@"
	mv ${SVG_ISAVIZ_cfg} ${SVG_ISAVIZ_cfg}.$(@:.1.svg=) || :
	touch ${SVG_ISAVIZ_cfg}
	echo '<?xml version="1.0" encoding="UTF-8"?>'                    >>${SVG_ISAVIZ_cfg}
	echo '<isv:config xmlns:isv="http://www.w3.org/2001/10/IsaViz">' >>${SVG_ISAVIZ_cfg}
	echo '    <isv:directories>'                                     >>${SVG_ISAVIZ_cfg}
	echo '        <isv:tmpDir value="true">/tmp</isv:tmpDir>'        >>${SVG_ISAVIZ_cfg}
	echo '        <isv:projDir>/tmp</isv:projDir>'                   >>${SVG_ISAVIZ_cfg}
	echo '        <isv:rdfDir>$(CURDIR)</isv:rdfDir>'                >>${SVG_ISAVIZ_cfg}
	echo '        <isv:dotExec>/bin/dot</isv:dotExec>'               >>${SVG_ISAVIZ_cfg}
	#echo '        <isv:graphvizFontDir>/tmp</isv:graphvizFontDir>'   >>${SVG_ISAVIZ_cfg}
	echo '    </isv:directories>'                                    >>${SVG_ISAVIZ_cfg}
	echo '    <isv:constants abbrevSyntax="true"'                    >>${SVG_ISAVIZ_cfg}
	echo '        alwaysIncludeLang="false"'                         >>${SVG_ISAVIZ_cfg}
	echo '        anonymousNodes="genid:"'                           >>${SVG_ISAVIZ_cfg}
	echo '        antialiasing="false"'                              >>${SVG_ISAVIZ_cfg}
	echo '        backgroundColor="-1579033"'                        >>${SVG_ISAVIZ_cfg}
	echo '        defaultLang="en"'                                  >>${SVG_ISAVIZ_cfg}
	echo '        defaultNamespace=""'                               >>${SVG_ISAVIZ_cfg}
	echo '        displayLabels="false"'                             >>${SVG_ISAVIZ_cfg}
	echo '        graphFont="${SVG_ISAVIZ_font} Plain ${SVG_ISAVIZ_fontsize}"' \
	                                                                 >>${SVG_ISAVIZ_cfg}
	echo '        graphOrient="${SVG_ISAVIZ_orientation}"'           >>${SVG_ISAVIZ_cfg}
	echo '        incGSSstyling="false"'                             >>${SVG_ISAVIZ_cfg}
	echo '        maxLitCharCount="${SVG_ISAVIZ_charcount}"'         >>${SVG_ISAVIZ_cfg}
	echo '        parsingMode="0"'                                   >>${SVG_ISAVIZ_cfg}
	echo '        prefixInTf="true"'                                 >>${SVG_ISAVIZ_cfg}
	echo '        saveWindowLayout="false"'                          >>${SVG_ISAVIZ_cfg}
	echo '        showAnonIds="false" swingFont="SansSerif Plain 12"/>' \
	                                                                 >>${SVG_ISAVIZ_cfg}
	echo '</isv:config>'                                             >>${SVG_ISAVIZ_cfg}
	pushd ${SVG_ISAVIZ_path} 2>/dev/null && \
	  ( cat ${SVG_ISAVIZ_runner} \
	      | sed 's|\(ISAVIZ_HOME=\).*|\1${SVG_ISAVIZ_path}|' \
	      | sh || : ) && popd 2>/dev/null
	mv ${SVG_ISAVIZ_cfg}.$(@:.1.svg=) ${SVG_ISAVIZ_cfg} || rm -f ${SVG_ISAVIZ_cfg}
	${DEBUG_RM_DEP}

${SVG_BIGGERXSL_file}:
	wget -nv -nc --content-disposition ${SVG_BIGGERXSL_url} -O- > $@

clean:
	for f in ${REMOVE_SYMLINKS}; do rm -f -- $$(readlink $$f) $$f; done
	rm -f -- ${REMOVE}

mrproper: clean
	rm -f -- ${SVG_BIGGERXSL_file}