import random
import re
from datetime import datetime

from passlib.context import CryptContext

pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")


def verify_password(plain_password, hashed_password):
    return pwd_context.verify(plain_password, hashed_password)

def get_password_hash(password):
    return pwd_context.hash(password)

def get_total_pages(total, limit):
    """
    获取总页数
    :param total:
    :param limit:
    :return:
    """
    s = total / limit if total % limit == 0 else total / limit + 1
    return round(s)    

def get_page_result(page, limit, rows, data):
    """获取分页结果
    page 查询页
    limit 每页大小
    rows 总条数
    data 当前页数据
    """
    return {"totalRecords": rows, "totalPages": get_total_pages(rows, limit), "currentPage": page,
            "items": data}  # data    

def create_batch():
    """创建批号"""
    return datetime.now().strftime('%Y%m%d%H%M%S') + str(random.random())[-6:]

def validate_email(email: str) -> bool:
    """验证邮箱"""
    pattern = r"[a-zA-Z0-9_-]+@[a-zA-Z0-9_-]+(?:\.[a-zA-Z0-9_-]+)"
    if re.match(pattern, email) is not None:
        return True
    else:
        return False

def validate_phone_number(phone_number: str) -> bool:
    """验证手机号"""
    pattern = r"1[356789]\d{9}"
    if re.match(pattern, phone_number) is not None:
        return True
    else:
        return False