using System.Collections.Generic;
using System.Collections.ObjectModel;

namespace Jellyfin.Plugin.Keycloak
{
    /// <summary>
    /// User Model for Keycloak Users.
    /// </summary>
    public class KeycloakUser
    {
        /// <summary>
        /// Initializes a new instance of the <see cref="KeycloakUser"/> class.
        /// </summary>
        /// <param name="username">Instance of the username of the user.</param>
        /// <param name="roles">User roles.</param>
        public KeycloakUser(string username, Collection<string> roles)
        {
            Username = username;
            Roles = roles;

            IsAdmin = false;
            IsEditor = false;
            IsEnabled = false;
            var enabledFolders = new List<string>();

            foreach (string permission in Roles)
            {
                IsAdmin |= permission == "admin";
                IsEditor |= permission == "editor";
                IsEnabled |= permission == "user";

                if (permission.StartsWith("lib-", System.StringComparison.Ordinal))
                {
                    enabledFolders.Add(permission[4..]);
                }
            }

            IsEnabled |= IsAdmin || IsEditor;
            EnabledFolders = enabledFolders.ToArray();
        }

        /// <summary>
        /// Gets the value of the username of an user.
        /// </summary>
        public string Username { get; }

        /// <summary>
        /// Gets the value of roles of an user.
        /// </summary>
        public Collection<string> Roles { get; }

        /// <summary>
        /// Gets a list of the enabled media libraries of an user.
        /// </summary>
        public string[] EnabledFolders { get; }

        /// <summary>
        /// Gets a value indicating whether the user is an administrator.
        /// </summary>
        public bool IsAdmin { get; }

        /// <summary>
        /// Gets a value indicating whether the user is an editor.
        /// </summary>
        public bool IsEditor { get; }

        /// <summary>
        /// Gets or sets a value indicating whether the user should be enabled.
        /// </summary>
        public bool IsEnabled { get; set; }
    }
}