using System;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using xCommons.Attributes;
using xCommons.Extensions;
using xIdentityHelper;
using xModels.Dtos;
using static IdentityServer4.IdentityServerConstants;

namespace xIds.Controllers
{
    public partial class AccountController
    {
        /// <summary>
        /// Query Users 
        /// for specifiy users role for query user 'role: string' and 'forceRole: boolean' in header
        /// </summary>
        /// <param name="query">how to filter results based on <see>XQuery</see> structure</param>
        /// <param name="role">an string which represent user role</param>
        /// <param name="forceRole">if it's true the user must has exact role, otherwise top level users also listed</param>
        /// <returns>an instance of <see>XQueryResult</see> of <see>XUserProfileDto</see></returns>
        [RequireXPowered]
        [HttpGet("Users/Query")]
        [Authorize(Policy = LocalApi.PolicyName)]
        [Authorize(Policy = XPolicies.EnabledUser)]
        public async Task<ActionResult<XQueryResult<string>>> QueryUsers(
            [FromQuery] XQuery query,
            [FromHeader] string role,
            [FromHeader] bool forceRole = false
        )
        {
            //
            // Do Actions ...
            try
            {
                //
                // Retrieve User Info ...
                var userInfo = await GetUserInfo();

                //
                // Retrieve Result Based on Provided Query ...
                var result = await IdentityManager.QueryUsers(
                    role: role,
                    query: query,
                    forceRole: forceRole,
                    requestedUserSelectByParam: userInfo.UserId
                );

                //
                // Return result ...
                return Ok(result
                    .ToDynamicObject());
            }
            catch (Exception ex)
            {
                //
                var exception = GetExceptionActionResult(ex);
                return exception;
            }
        }
    }
}