namespace Console.Office365
{
    using Microsoft.SharePoint.Client;
    using Microsoft.SharePoint.Client.Taxonomy;
    using Newtonsoft.Json.Linq;
    using OfficeDevPnP.Core.Entities;
    using System;
    using System.Collections.Generic;
    using System.IO;
    using System.Linq;
    using System.Reflection;
    using System.Threading.Tasks;

    class Program
    {
        static void Main(string[] args)
        {
            CreateCustomPermissionLevel();
           
        }

        public static void CreateCustomPermissionLevel()
        {
            OfficeDevPnP.Core.AuthenticationManager authMgr = new OfficeDevPnP.Core.AuthenticationManager();

            string siteUrl = "https://*********.sharepoint.com/sites/communitysite";
            string userName = "Sathish@*********.onmicrosoft.com";
            string password = "************";


            using (var clientContext = authMgr.GetSharePointOnlineAuthenticatedContextTenant(siteUrl, userName, password))
            {
                Web web = clientContext.Web;
                clientContext.Load(web);
                clientContext.Load(web.AllProperties);
                clientContext.Load(web.RoleDefinitions);
                clientContext.ExecuteQueryRetry();
                var roleDefinitions = web.RoleDefinitions;

                // Get Owners Group and Remove the Permission Levels
                var ownersGroupRoleAssignment = web.RoleAssignments.GetByPrincipal(clientContext.Web.AssociatedOwnerGroup);
                ownersGroupRoleAssignment.RoleDefinitionBindings.RemoveAll();
                ownersGroupRoleAssignment.Update();
                clientContext.Load(ownersGroupRoleAssignment);
                clientContext.ExecuteQuery();

                // Get Full Control Role Definition
                var customFullControlRoleDefinition = roleDefinitions.GetByName("MyPermissionLevelCreatedByCode");
                clientContext.Load(customFullControlRoleDefinition);
                clientContext.ExecuteQuery();

                RoleDefinitionBindingCollection collRDB = new RoleDefinitionBindingCollection(clientContext);
                collRDB.Add(roleDefinitions.GetByName("MyPermissionLevelCreatedByCode"));

                // Bind the Newly Created Permission Level to Owners Group
                web.RoleAssignments.Add(web.SiteGroups.GetById(ownersGroupRoleAssignment.PrincipalId), collRDB);

                // Bind the Newly Created Permission Level to Owners Group
                //ownersGroupRoleAssignment.RoleDefinitionBindings.Add(customFullControlRoleDefinition);
                //ownersGroupRoleAssignment.Update();

                clientContext.Load(ownersGroupRoleAssignment);
                clientContext.ExecuteQuery();

            }
        }

        
    }
}