# To set specific directory for each version
ifeq ($(strip $(Startup)),)
# use the month
VERSION_DIR := $(shell date +%B)
else
# use no version
VERSION_DIR := .
endif

# To set ezs parameters
EZSFLAGS := -v --param VERSION_DIR="$(VERSION_DIR)"

# To set the location and the extension of sources files (queries)
INPUT_DIR := 01-query
INPUT_EXT := txt

# To set the location and the extension of results files
OUTPUT_DIR := 04-export/$(VERSION_DIR)
OUTPUT_EXT := jsonl

# To set custom aliases
wos-2018-france: $(OUTPUT_DIR)/wos-2018-france.jsonl
wos-2019-france: $(OUTPUT_DIR)/wos-2019-france.jsonl
wos-2020-france: $(OUTPUT_DIR)/wos-2020-france.jsonl
wos-2021-france: $(OUTPUT_DIR)/wos-2021-france.jsonl
wos-2022-france: $(OUTPUT_DIR)/wos-2022-france.jsonl


# To generate all files from source directory to target directory
SOURCE_FILES := $(wildcard $(INPUT_DIR)/*.$(INPUT_EXT))
TARGET_FILES := $(patsubst $(INPUT_DIR)/%.$(INPUT_EXT), $(OUTPUT_DIR)/%.$(OUTPUT_EXT), $(SOURCE_FILES))
all: $(TARGET_FILES)

# Step 2: to download all result
02-download/$(VERSION_DIR)/%.jsonl: $(INPUT_DIR)/%.txt
	@[ -d 02-download/$(VERSION_DIR)/ ] || mkdir -p 02-download/$(VERSION_DIR)/
	ezs $(EZSFLAGS) 02-download.ini < $< > $@

# Step 3: to refine and select only chosen fields
03-refine/$(VERSION_DIR)/%.jsonl: 02-download/$(VERSION_DIR)/%.jsonl
	@[ -d 03-refine/$(VERSION_DIR)/ ] || mkdir -p 03-refine/$(VERSION_DIR)/
	ezs $(EZSFLAGS) 03-refine.ini < $< > $@

# Step 4 : to create a export file
04-export/$(VERSION_DIR)/%.jsonl: 03-refine/$(VERSION_DIR)/%.jsonl
	@[ -d 04-export/$(VERSION_DIR)/ ] || mkdir -p 04-export/$(VERSION_DIR)/
	ezs $(EZSFLAGS) 04-export.ini < $< > $@

# To delete all generated files
clean:
	@rm -f $(TARGET_FILES)
	@echo "Files deleted!"

# To prevent deleting intermediate files
.PRECIOUS: 02-download/$(VERSION_DIR)/%.jsonl

# To ignore non-file targets
.PHONY: clean