SHELL=/bin/bash


ALL_UPDATE_IDS_SRC=$(shell ls data/*.update_id.json)
ALL_UPDATE_IDS=$(subst .update_id,.processed_id,$(ALL_UPDATE_IDS_SRC))

all: fetch_updates process_updates
	echo "Done"

process_updates: $(ALL_UPDATE_IDS)

%.processed_id.json: %.update_id.json router.php
	cat $< | php router.php > $@
	

fetch_updates:
	echo "Fetching new updates..."
	curl -s "https://api.telegram.org/bot$(TELEGRAM_BOT_TOKEN)/getUpdates" \
		| jq -c '.result[]' \
		| while read -r update_msg; \
			do \
				file="data/$$(echo $$update_msg | jq -c '.update_id').update_id.json"; \
				if [ -f "$$file" ]; then \
					old_md5=$$(md5sum "$$file" | cut -d' ' -f1); \
					new_md5=$$(echo "$$update_msg" | md5sum | cut -d' ' -f1); \
					if [ "$$old_md5" != "$$new_md5" ]; then \
						echo "$$update_msg" > "$$file"; \
					fi; \
				else \
					echo "$$update_msg" > "$$file"; \
				fi; \
			done

upload-available-commands: data/available-commands.json
	curl -s "https://api.telegram.org/bot$(TELEGRAM_BOT_TOKEN)/setMyCommands" -d 'commands=$(shell cat data/available-commands.json)'
	echo "New commands uploaded"
	

data/available-commands.json: $(wildcard commands/*.inc.php)
	php router.php --print-json-command-list > $@

clean:
	rm data/*.json