import sys
import os
import numpy as np
from datetime import datetime

# Creates inflation in the points adminstration.
# This script is not directly triggered by the bot, but may be executed once per day.


# When developing on an inferior Windows machine, you'll need this:
if sys.platform == "win32":
	os.EX_OK = 0
	os.EX_IOERR = 5
	os.EX_USAGE = 99


POINTS_FILE = "pointscount.npy"
BANK_ID = 42


# Read current points balance:
try:
	pointsCount = np.load(POINTS_FILE).item()
except:
	sys.stderr.write("Cannot open points file: " + POINTS_FILE)
	sys.exit(os.EX_IOERR)
if BANK_ID not in pointsCount.keys():
	sys.stderr.write("Cannot find the bank's balance.")
	sys.exit(os.EX_IOERR)


# Make sure inflation is only executed once per day:
currentDateStr = datetime.now().strftime("%Y%m%d")

if "lastInflationUpdate" in pointsCount[BANK_ID]: 
	if pointsCount[BANK_ID]["lastInflationUpdate"] == currentDateStr:
		sys.stderr.write("We already had some inflation today. No hyperinflation allowed!")
		sys.exit(os.EX_USAGE)


# increase the bank's points by 1:
pointsCount[BANK_ID]["points"] += 1
pointsCount[BANK_ID]["lastInflationUpdate"] = currentDateStr


# save file:
try:
	np.save(POINTS_FILE, pointsCount)
except:
	sys.stderr.write("Cannot save to points file: " + POINTS_FILE)
	sys.exit(os.EX_IOERR)

	
sys.stdout.write("Inflation complete. Hooray for capitalism!")
sys.exit(os.EX_OK)