import time
import json

if __name__ == '__main__':
	while True:
		cardID = raw_input("Enter card ID: ")
		event = {}
		event["time"] = time.time()
		event["cardID"] = cardID
		event["name"] = ''
		try:
			with open('cards/' + cardID + '.json') as card_data:
				data = json.load(card_data)
				event["name"] = data['name']
		except:
			print "Card not registered."
		history = []
		try:
			with open('history.json', 'r') as json_data:
				history = json.load(json_data)
		except:
			print 'Initializing new history file.'
		finally:
			history.append(event)
		with open('history.json', 'w') as outfile:
			json.dump(history, outfile)