from werkzeug.security import check_password_hash
from flask_appbuilder.security.sqla.models import (
    assoc_permissionview_role,
    assoc_user_role,
)

from flask import g

from flask_appbuilder.security.views import AuthDBView
from flask_appbuilder.security.views import expose
from flask_appbuilder.const import (
    AUTH_DB,
    AUTH_LDAP,
    AUTH_OAUTH,
    AUTH_OID,
    AUTH_REMOTE_USER,
    LOGMSG_ERR_SEC_AUTH_LDAP,
    LOGMSG_ERR_SEC_AUTH_LDAP_TLS,
    LOGMSG_WAR_SEC_LOGIN_FAILED,
    LOGMSG_WAR_SEC_NO_USER,
    LOGMSG_WAR_SEC_NOLDAP_OBJ,
    PERMISSION_PREFIX
)
import pysnooper
import json




# 推送给管理员消息的函数
def push_admin(message):
    pass

# 推送消息给用户的函数
def push_message(receivers,message,link=None):
    pass



import logging as log
import datetime
import logging
import re

from flask import abort, current_app, flash, g, redirect, request, session, url_for
from flask_babel import lazy_gettext
from flask_login import login_user, logout_user
import jwt
from werkzeug.security import generate_password_hash
from flask_appbuilder.security.forms import LoginForm_db, LoginForm_oid, ResetPasswordForm, UserInfoEdit
from flask_appbuilder._compat import as_unicode
import pysnooper


class MyCustomRemoteUserView():
    pass

class Myauthdbview(AuthDBView):
    login_template = "appbuilder/general/security/login_db.html"

    @expose("/login/", methods=["GET", "POST"])
    @pysnooper.snoop(watch_explode=('form',))
    def login(self):

        if 'rtx' in request.args:
            if request.args.get('rtx'):
                username = request.args.get('rtx')
                user = self.appbuilder.sm.find_user(username)
                if user:
                    login_user(user, remember=True)
                    return redirect(self.appbuilder.get_url_for_index)


        if g.user is not None and g.user.is_authenticated:
            return redirect(self.appbuilder.get_url_for_index)

        form = LoginForm_db()
        method = request.method
        # 如果提交请求。就是认证
        if form.validate_on_submit():
            username = form.username.data
            password = form.password.data

            user = self.appbuilder.sm.find_user(username=username)
            if user is None:
                user = self.appbuilder.sm.find_user(email=username)
            if user is None or (not user.is_active):
                log.info(LOGMSG_WAR_SEC_LOGIN_FAILED.format(username))
                user = None
            elif check_password_hash(user.password, password):
                self.appbuilder.sm.update_user_auth_stat(user, True)
            elif user.password==password:
                self.appbuilder.sm.update_user_auth_stat(user, True)
            else:
                self.appbuilder.sm.update_user_auth_stat(user, False)
                log.info(LOGMSG_WAR_SEC_LOGIN_FAILED.format(username))
                user = None

            if not user:
                user = self.appbuilder.sm.find_user(form.username.data)
                if user:
                    # 有用户，但是密码不对
                    flash('发现用户%s已存在，但输入密码不对'%form.username.data, "warning")
                    return redirect(self.appbuilder.get_url_for_login)
                else:
                    # 没有用户的时候自动注册用户
                    user = self.appbuilder.sm.auth_user_remote_org_user(username=form.username.data, org_name='',
                                                                        password=form.password.data)
                    flash('发现用户%s不存在，已自动注册' % form.username.data, "warning")

            login_user(user, remember=True)
            return redirect(self.appbuilder.get_url_for_index)
        return self.render_template(
            self.login_template, title=self.title, form=form, appbuilder=self.appbuilder
        )


    @expose('/logout')
    def logout(self):
        login_url = 'http://%s/login/' % request.host
        session.pop('user', None)
        g.user = None
        logout_user()
        return redirect(login_url)