using Microsoft.AspNetCore.Authorization;
using Microsoft.Extensions.Options;

namespace Nuuru.Server.Auth
{
    public class PermissionPolicyProvider : DefaultAuthorizationPolicyProvider
    {
        private readonly AuthorizationOptions _fallbackOptions;

        public PermissionPolicyProvider(IOptions<AuthorizationOptions> options) : base(options)
        {
            _fallbackOptions = options.Value;
        }

        public override Task<AuthorizationPolicy?> GetPolicyAsync(string policyName)
        {
            if (string.IsNullOrEmpty(policyName)) return base.GetPolicyAsync(policyName);

            var policy = new AuthorizationPolicyBuilder()
                .RequireClaim(Permissions.ClaimType, policyName)
                .Build();
            return Task.FromResult<AuthorizationPolicy?>(policy);
        }
    }

}