using BMA.EHR.Domain.Common;
using System.Security.Claims;

namespace BMA.EHR.Domain.Extensions
{
    public static class ClaimsPrincipalExtensions
    {
        public static string? GetClaimValue(this ClaimsPrincipal user, string claimType)
        {
            return user?.FindFirst(claimType)?.Value;
        }

        public static Guid? GetGuidClaim(this ClaimsPrincipal user, string claimType)
        {
            var value = user?.GetClaimValue(claimType);
            return Guid.TryParse(value, out var guid) ? guid : null;
        }

        // Convenience methods for common claims
        public static string? GetEmpType(this ClaimsPrincipal user) => user.GetClaimValue(BmaClaimTypes.EmpType);
        public static Guid? GetOrgChild1DnaId(this ClaimsPrincipal user) => user.GetGuidClaim(BmaClaimTypes.OrgChild1DnaId);
        public static Guid? GetOrgChild2DnaId(this ClaimsPrincipal user) => user.GetGuidClaim(BmaClaimTypes.OrgChild2DnaId);
        public static Guid? GetOrgChild3DnaId(this ClaimsPrincipal user) => user.GetGuidClaim(BmaClaimTypes.OrgChild3DnaId);
        public static Guid? GetOrgChild4DnaId(this ClaimsPrincipal user) => user.GetGuidClaim(BmaClaimTypes.OrgChild4DnaId);
        public static Guid? GetOrgRootDnaId(this ClaimsPrincipal user) => user.GetGuidClaim(BmaClaimTypes.OrgRootDnaId);
        public static Guid? GetProfileId(this ClaimsPrincipal user) => user.GetGuidClaim(BmaClaimTypes.ProfileId);
        public static string? GetPrefix(this ClaimsPrincipal user) => user.GetClaimValue(BmaClaimTypes.Prefix);
        public static string? GetName(this ClaimsPrincipal user) => user.GetClaimValue(BmaClaimTypes.Name);
    }
}