ATM-interface-bank

from lib import common
from db import db_handler

user_logger = common.get_logger('bank')


def check_balance(name):
    dic =db_handler.select(name)
    return dic['balance']


def transfer_interface(from_name,toname,balance):
    if from_name==toname:
        return False,'不能转账给自己'
    to_dic =db_handler.select(toname)
    if to_dic:
        from_dic = db_handler.select(from_name)
        if from_dic['balance']>=balance:
            from_dic['balance']-=balance
            to_dic['balance']+=balance
            from_dic['bankflow'].append('%s转%s元账给了%s'%(from_name,balance,toname))
            to_dic['bankflow'].append('%s收到了%s转来的%s元'%(toname,from_name,balance))
            db_handler.save(from_dic)
            db_handler.save(to_dic)
            user_logger.info('%s转账给了%s：%s元'%(from_name,toname,balance))
            return True,'转账成功'
        else:
            return False,'余额不足'
    else:
        return False,'转账的用户名不存在'


def repay_interface(name,balance):
    dic = db_handler.select(name)
    dic['balance']+=balance
    dic['bankflow'].append('%s还款了%s元'%(name,balance))
    db_handler.save(dic)
    user_logger.info('%s还款了%s元'%(name,balance))
    return True,'还款成功'


def withdraw_interface(name,balance):
    dic = db_handler.select(name)
    balance1 = balance*1.05
    if dic['balance']>=balance1:
        dic['balance']-=balance
        dic['bankflow'].append('%s取走了%s元'%(name,balance))
        user_logger.info('%s取走了%s元'%(name,balance))
        db_handler.save(dic)
        return True,'取款成功'
    else:
        return False,'取款失败'


def check_record_interface(name):
    dic = db_handler.select(name)
    return dic['bankflow']


def consume_interface(name,cost):
    dic = db_handler.select(name)
    if dic['balance']>=cost:
        dic['balance']-=cost
        db_handler.save(dic)
        return True,'扣款成功'
    else:
        return False,'余额不足'