TEXTURESETS := $(foreach file, $(TEXTURESET_FOLDER), $(basename $(notdir $(wildcard $(TEXTURESET_FOLDER)/*))))

# Build list of destination filenames of previews
RENDER_FILES = $(foreach RENDER, $(basename $(notdir $(wildcard $(BLENDFILES_FOLDER)/$(shell cat $(MATERIALLIST) | jq -r --arg folder "$(SET)" '.[] | select(.name==$$folder) | .type')/*.blend))), $(SET)_$(RENDER))
RENDER_LIST := $(foreach SET, $(TEXTURESETS), $(RENDER_FILES))
# Add them png suffix and destination path
TARGET := $(foreach file, $(RENDER_LIST), $(addsuffix .png, $(file)))
TARGET := $(foreach file, $(TARGET), $(addprefix $(PREVIEW_FOLDER)/, $(file)))

# Build list of corresponding recipe filenames
RECIPE_RENDERS = $(foreach RECIPE_RENDER, $(basename $(notdir $(wildcard $(BLENDFILES_FOLDER)/$(shell cat $(MATERIALLIST) | jq -r --arg folder "$(TEX_SET)" '.[] | select(.name==$$folder) | .type')/*.blend))), %_$(RECIPE_RENDER))
RECIPE_RENDERS_LIST := $(foreach TEX_SET, $(TEXTURESETS), $(RECIPE_RENDERS))
# Add them png suffix and destination path
RENDERS := $(foreach file, $(RECIPE_RENDERS_LIST), $(addsuffix .png, $(file)))
RENDERS := $(foreach file, $(RENDERS), $(addprefix $(PREVIEW_FOLDER)/, $(file)))


all: $(TARGET)
	@ echo "RENDER_LIST : $(RENDER_LIST)"
	@ echo "RENDER_FILES : $(RENDER_FILES)"
	@ echo "RENDERS :" $(RENDERS)
	@ echo "RECIPE_RENDERS :" $(RECIPE_RENDERS)
	@ echo "RECIPE_RENDERS_LIST :" $(RECIPE_RENDERS_LIST)
	@ echo "TARGET : $(TARGET)"
	@ echo "TEXTURESETS : $(TEXTURESETS)"

$(RENDERS): $(TEXTURESET_FOLDER)/%
	@ echo "Prerequisite :" $<
	@ pngset=`cat $<`;\
	echo "pngset :" $$pngset ;\
	for file in $$pngset ;\
	do basename=$$(basename "$$file");\
	newname=$$(echo $$basename | sed -r 's/.*($(TEXTURES_NAMES))/\\\1/' | sed -r 's/\\//');\
	mkdir --parents $(BLENDFILES_FOLDER)/textures;\
	echo "Copying "$$file ;\
	cp $$file $(BLENDFILES_FOLDER)/textures/$$newname ; done ;\
	presetname=$$(echo $$(basename $< ".png") | sed -r 's/(.*_[0-9]{2})_.*/\\\1/' | sed -r 's/\\//');\
	echo "presetname :"$$presetname;\
	echo "MATERIALLIST :"$(MATERIALLIST);\
	rendertype=$$(cat $(MATERIALLIST) | jq -r --arg folder "$$presetname" '.[] | select(.name==$$folder) | .type');\
	echo "foldername :" $$rendertype;\
	blender_render_files=$$(ls $(BLENDFILES_FOLDER)/$$rendertype/*.blend | sed -r 's|$(BLENDFILES_FOLDER)/.*/||' | sed -r 's/\.blend//'  | tr '\n' ' ') ;\
	echo "blender_render_files :"$$blender_render_files;\
	for blendname in $$blender_render_files;\
	do echo "blendname :" $$blendname;\
	destination=$$(echo $$presetname"_"$$blendname.png);\
	echo "destination :"$(PREVIEW_FOLDER)"/"$$destination;\
	blendfile=$$(echo "$(BLENDFILES_FOLDER)/"$$rendertype"/"$$blendname".blend");\
	echo "blendfile :" $$blendfile;\
	mkdir --parents $(BLENDFILES_FOLDER)/render;\
	temp_render_dir=$$(realpath $(BLENDFILES_FOLDER)/render);\
	echo "Rendering "$(PREVIEW_FOLDER)/$$destination;\
	$(BLENDEREXEC) -b $$blendfile --render-output $$temp_render_dir/render##.png -f 1 --addons > /dev/null 2>&1;\
	mkdir --parents $(PREVIEW_FOLDER);\
	composite -compose atop -gravity southeast -dissolve 90% $(LOGO) $(BLENDFILES_FOLDER)/render/render01.png $(PREVIEW_FOLDER)/$$destination;\
	done
# Clean the subfolder with temp textures
	@ rm -Rf $(BLENDFILES_FOLDER)/textures
# Clean the temp render folder
	@ rm -Rf $(BLENDFILES_FOLDER)/render