using Core.Enumerations;
using DataProviders.Collections;
using DomainObjects.Documents.Users;
using Microsoft.AspNetCore.Authorization;
using Microsoft.Extensions.Options;
using WeatherForecast.Policies.Abstractions;
using WeatherForecast.Services;

namespace WeatherForecast.Policies;

/// <summary>
/// 
/// </summary>
public class CategoryAuthorizationHandler : AuthorizationHandlerBase<CategoryAuthorizationRequirement> {

  /// <summary>
  /// 
  /// </summary>
  /// <param name="configuration"></param>
  /// <param name="contextAccessor"></param>
  /// <param name="siteDataProvider"></param>
  /// <param name="userDataProvider"></param>
  public CategoryAuthorizationHandler(
    IOptions<Configuration> configuration,
    IHttpContextAccessor contextAccessor,
    ISiteDataProvider siteDataProvider,
    IUserDataProvider userDataProvider
  ) : base(configuration, contextAccessor, siteDataProvider, userDataProvider) { }

  /// <summary>
  /// 
  /// </summary>
  /// <param name="context"></param>
  /// <param name="requirement"></param>
  /// <returns></returns>
  protected override Task HandleRequirementAsync(AuthorizationHandlerContext context, CategoryAuthorizationRequirement requirement) {

    var (site, user) = GetUser(context);
    if (site == null || user == null)
      return Task.CompletedTask;

    var userRole = GetRole(site, user);

    var req = requirement.Roles.SingleOrDefault(x => x.Role == userRole);
    if (req == null)
      return Task.CompletedTask;

    context.Succeed(requirement);

    return Task.CompletedTask;
  }
}

/// <summary>
/// 
/// </summary>
public class CategoryRole {

  /// <summary>
  /// 
  /// </summary>
  public Roles Role { get; private set; } 

  /// <summary>
  /// 
  /// </summary>
  /// <param name="role"></param>
  public CategoryRole(Roles role) {
    Role = role;  
  }
}

/// <summary>
/// 
/// </summary>
public class CategoryAuthorizationRequirement : AuthorizationRequirementBase {

  /// <summary>
  /// 
  /// </summary>
  public List<CategoryRole> Roles { get; private set; }

  /// <summary>
  /// 
  /// </summary>
  /// <param name="action"></param>
  /// <param name="roles"></param>
  public CategoryAuthorizationRequirement(CrudActions action, List<CategoryRole> roles) : base(action) {
    Roles = roles;
  }
}