#!/usr/bin/env python3
# -*- coding: utf-8 -*-

from . import mpfun
from models import *
from sqlalchemy.orm import Session

# 系统用户表

# 加密和HMAC签名
def sign_row(db: Session, row: SysUser) -> None:
    if row.sign != '':
        return
    
    user_id = str(row.user_id) # 用户ID
    user_name = mpfun.enc_data(row.user_name) # 用户账号
    password = mpfun.enc_data(row.password) # 密码
    nick_name = mpfun.base64_data(row.nick_name) # 用户昵称
    dept_id = str(row.dept_id) # 部门ID
    dept_name = mpfun.base64_data(row.dept_name) # 部门名称
    email = mpfun.enc_data(row.email) # 电子邮箱
    phonenumber = mpfun.enc_data(row.phonenumber) # 手机号码
    status = str(row.status) # 用户状态
    del_flag = row.del_flag # 是否已删除
    yzy_account = mpfun.enc_data(row.yzy_account) # 粤政易账号

    sign_data = ",".join([user_id, user_name, password, nick_name, dept_id, dept_name, email, phonenumber, status, del_flag, yzy_account])
    sign_hmac = mpfun.sign_data(sign_data)
    # print('sign_tbl_user sign_data:', sign_data)
    # print('sign_tbl_user sign_hmac:', sign_hmac)

    row.user_name = user_name
    row.password = password
    row.email = email
    row.phonenumber = phonenumber
    row.yzy_account = yzy_account
    row.sign = sign_hmac
    
    db.commit()

# 比较字段合并字符串是否和MAC值匹配上,调用密码服务器[验证HMAC]接口
def sign_valid_row(row: SysUser) -> bool:
    if row.sign == '':
        return True

    # 关键字段合并字符串
    sign_data = get_sign_str(row)
    # print('sys_user sign_data:', sign_data)
    
    # 原HMACSM3数值
    sign_hmac = row.sign
    # print('sign_hmac:', sign_hmac)

    return mpfun.hmac_verify(sign_data, sign_hmac)

# 生成待签名的字符串
def get_sign_str(row: SysUser) -> str:
    user_id = str(row.user_id) # 用户ID
    user_name = row.user_name # 用户账号
    password = row.password # 密码
    nick_name = mpfun.base64_data(row.nick_name) # 用户昵称
    dept_id = str(row.dept_id) # 部门ID
    dept_name = mpfun.base64_data(row.dept_name) # 部门名称
    email = row.email # 电子邮箱
    phonenumber = row.phonenumber # 手机号码
    status = str(row.status) # 用户状态
    del_flag = row.del_flag # 是否已删除
    yzy_account = row.yzy_account # 粤政易账号

    # 关键字段合并字符串
    sign_data = ",".join([user_id, user_name, password, nick_name, dept_id, dept_name, email, phonenumber, status, del_flag, yzy_account])
    return sign_data

# 生成HAMC签名值
def get_sign_hmac(row: SysUser) -> str:
    sign_data = get_sign_str(row)
    return mpfun.sign_data(sign_data)