using xCommons.Extensions;
using xIdentityModels.Constants;
using xIdentityModels.Models;

namespace xIdentityService.Extensions {
    public static class XUserClaimsInfoDtoExtensions {
        public static string GetUserSelectByParam (
            this XUserClaimsInfoDto source,
            XUserSelectBy userSelectBy = XUserSelectBy.Username
        ) {
            //
            var result = "";

            //
            switch (userSelectBy) {
                //
                case XUserSelectBy.ID:
                    result = source.UserId;
                    break;

                    //
                case XUserSelectBy.Username:
                    result = source.UserName;
                    break;

                    //
                case XUserSelectBy.Email:
                    result = source.Email;
                    break;

                    //
                case XUserSelectBy.MobileNumber:
                    result = source.PhoneNumber;
                    break;
            }

            //
            if (result.IsNullOrEmpty ()) {
                //
                if (!source.UserId.IsNullOrEmpty ()) {
                    result = source.UserId;
                } else if (!source.UserName.IsNullOrEmpty ()) {
                    result = source.UserName;
                } else if (!source.Email.IsNullOrEmpty ()) {
                    result = source.Email;
                } else if (!source.PhoneNumber.IsNullOrEmpty ()) {
                    result = source.PhoneNumber;
                }
            }

            //
            return result;
        }
    }
}