from tinydb import TinyDB, where, Query
import uuid
import hasher

db = TinyDB("./database.json", indent=4)
query = Query()

users = db.table("users");

def get_users():
    return (users.all())

def get_user_by_email(email: str):
    user_lst = users.search(query.email == email)
    if (user_lst == []):
        return (None)
    return (user_lst[0])

def email_exist(email: str) -> bool:
    return (get_user_by_email(email) != None)

def user_exist(email: str):
    return (get_user_by_email(email) != None)

def add_user(email: str, password: str):
    password_hashed = hasher.hash_text(password)
    users.insert({"email": email, "password": str(password_hashed), "id": uuid.uuid4()});

def check_password(email: str, password: str):
    password_hashed = get_user_by_email(email).get("password")
    password_hashed = bytes(password_hashed[2:-1], "utf-8")
    return (hasher.is_same(password, password_hashed))

def change_user_password(email: str, password: str):
    password_hashed = hasher.hash_text(password)
    db.update({"password": password_hashed}, query.email == email)

resets = db.table("resets")

def get_email_by_reset_code(code: str):
    user_lst = resets.search(query.code == code)
    if (user_lst == []):
        return (None)
    return (user_lst[0])

def reset_code_exist(code: str) -> bool:
    return (get_email_by_reset_code(code) != None)

def remove_reset_code_by_email(email: str):
    resets.remove(query.email == email)

def remove_reset_code_by_code(code: str):
    resets.remove(query.code == code)

def create_reset_code_by_email(email: str):
    code = str(uuid.uuid4());
    remove_reset_code_by_email(email);
    resets.insert({"email": email, "code": code})
    return (code)