import os
import json
import shutil
import mysql.connector
import bcrypt

# ------------------------------------------------------------------------------
# Global variables that is None by default and gets overwritten in other modules

app = None # main.py -> Flask App
sql_conn = None

langs = {}

# ------------------------------------------------------------------------------
# Global variables that initializes on first load of module

if not os.path.isfile("config.json"):
	print("`config.json` were not found! Copying default_config and continuing...")
	shutil.copy("default_config.json", "config.json")

with open("config.json", "r") as f:
	config = json.load(f)

path = "locale"
for l in os.listdir(path):
	langs[l] = {}
	_path = "%s/%s" % (path, l)
	for f in os.listdir(_path):
		_f = "%s/%s" % (_path, f)
		with open(_f, "r", encoding = "UTF-8") as j:
			pnd = json.load(j)
			for k in pnd.keys():
				if k in langs[l]:
					raise Exception("Duplicate localization entries found in file %s" % _f)
			langs[l] = {**langs[l], **pnd}

def make_sql_connection():
	return mysql.connector.connect(**config["mysql"])

def get_sql_connection():
	global sql_conn
	if sql_conn is None or not sql_conn.is_connected():
		sql_conn = make_sql_connection()
	return sql_conn

def hash_password(password):
	return bcrypt.hashpw(password.encode(), bcrypt.gensalt(10, prefix=b"2a")).decode()

def check_password(p1, p2):
	return bcrypt.checkpw(p1.encode(), p2.encode())