# coding:utf-8
import imp
from operator import or_
from ..base import base
from ..models import Role, Resource, User
from flask import render_template, request
from flask_login import current_user
from flask import jsonify
from datetime import datetime
from .. import  db
import uuid
from sqlalchemy import desc
from sqlalchemy import asc
from sqlalchemy import or_

@base.route('/securityJsp/base/Syrole.jsp', methods=['GET'])
def index_role():
    return render_template('role/index.html')

@base.route('/securityJsp/base/SyroleForm.jsp', methods=['GET'])
def form_role():
    return render_template('role/form.html', id=request.args.get('id', ''))


@base.route('/securityJsp/base/SyroleGrant.jsp', methods=['GET'])
def grant_role_page():
    return render_template('role/grant.html', id=request.args.get('id', ''))

@base.route('/base/syrole!doNotNeedSecurity_getRolesTree.action', methods=['POST'])
def get_roles_tree():
    roles = Role.query.join(User, Role.users).filter(User.ID == current_user.ID).all()
    return jsonify([role.to_json() for role in roles])

@base.route('/base/syrole!doNotNeedSecurity_getRoleByUserId.action', methods=['POST'])
def get_roles_by_userId():
    roles = Role.query.join(User, Role.users).filter(User.ID == request.form.get('id')).all()
    return jsonify([role.to_json() for role in roles])


@base.route('/base/syrole!grant.action', methods=['POST'])
def grant_role():
    id = request.form.get('id')
    ids = request.form.get('ids')

    role = Role.query.get(id)

    if not ids: #授权资源为空
        role.resources = []
    else:       #授权资源访问，资源之间以逗号分割
        idList = ids.split(',')
        role.resources = [Resource.query.get(rid) for rid in idList]

    db.session.add(role)

    return jsonify({'success': True})

@base.route('/system/role/list', methods=['GET'])
def grid():
    filters = []
    if request.form.get('name'):
        filters.append(Role.NAME.like('%' + request.form.get('name') + '%'))

    order_by = []
    if request.form.get('sort'):
        if request.form.get('order') == 'asc':
            order_by.append(asc(getattr(Role,request.form.get('sort').upper())))
        elif request.form.get('order') == 'desc':
            order_by.append(desc(getattr(Role,request.form.get('sort').upper())))
        else:
            order_by.append(getattr(Role,request.form.get('sort').upper()))

    page = request.form.get('page', 1, type=int)
    rows = request.form.get('rows', 10, type=int)
    pagination = current_user.roles.filter(*filters).order_by(*order_by).paginate(
        page, per_page=rows, error_out=False)
    roles = pagination.items

    return jsonify({'rows': [role.to_json() for role in roles], 'total': pagination.total})

@base.route('/system/role/<string:id>', methods=['GET'])
def syrole_getById(id):
    role = Role.query.get(id)

    if role:
        return jsonify({'code': 200, 'msg': '操作成功', 'data': role.to_json()})
    else:
        return jsonify({'success': False, 'msg': 'error'})

@base.route('/system/role', methods=['PUT'])
def syrole_update():
    role = Role.query.get(request.json['roleId'])

    role.UPDATEDATETIME = datetime.now()
    role.NAME = request.json['roleName']
    role.DESCRIPTION = request.json['remark']
    role.SEQ = request.json['roleSort']

    db.session.add(role)

    return jsonify({'code': 200})

@base.route('/system/role', methods=['POST'])
def syrole_save():
    role = Role()

    role.ID = str(uuid.uuid4())
    role.NAME = request.json['roleName']
    if 'remark' in request.json: role.DESCRIPTION = request.json['remark']
    role.SEQ = request.json['roleSort']

    if 'menuIds' in request.json:
        res_list = [Resource.query.get(menuId) for menuId in request.json['menuIds']]
        role.resources = res_list
        
    # add current use to new role
    current_user.roles.append(role)

    db.session.add(role)

    return jsonify({'code': 200})

@base.route('/system/role/<string:id>', methods=['DELETE'])
def syrole_delete(id):
    role = Role.query.get(id)
    if role:
        db.session.delete(role)

    return jsonify({'code': 200})

@base.route('/system/role/authUser/allocatedList', methods=['GET'])
def allocatedList():
    page = request.args.get('pageNum', 1, type=int)
    rows = request.args.get('pageSize', 10, type=int)
    pagination = User.query.join(Role, User.roles).filter(Role.ID == request.args['roleId']).paginate(
        page, per_page=rows, error_out=False)
    users = pagination.items

    return jsonify({'rows': [user.to_json() for user in users], 'total': pagination.total})

@base.route('/system/role/authUser/unallocatedList', methods=['GET'])
def unallocatedList():
    page = request.args.get('pageNum', 1, type=int)
    rows = request.args.get('pageNum', 10, type=int)
    pagination = User.query.join(Role, User.roles).filter(or_(Role.ID != request.args['roleId'], Role.ID == None)).paginate(
        page, per_page=rows, error_out=False)
    users = pagination.items

    return jsonify({'rows': [user.to_json() for user in users], 'total': pagination.total})