using System.ComponentModel.DataAnnotations;

namespace back.DataModels;

[Tags("Roles")]
public class RoleModel
{
    [Key]
    public string Id { get; set; }
    [Required, MaxLength(100)]
    public string Name { get; set; }
    [MaxLength(250)]
    public string Description { get; set; }
    public List<PermissionModel> Permissions { get; set; }
    public RoleModel? BaseRoleModel { get; set; }

    public RoleModel(string id, string name, string description, List<PermissionModel>? permissions = null, RoleModel? baseRoleModel = null)
    {
        Id = id;
        Name = name;
        Description = description;
        Permissions = permissions ?? new List<PermissionModel>();
        BaseRoleModel = baseRoleModel;
        if (baseRoleModel != null)
        {
            Permissions.AddRange(baseRoleModel.Permissions);
        }
    }

    public bool IsAdmin => Id == AdminRole.Id;
    public bool IsContentManager => Id == ContentManagerRole.Id;
    public bool IsUser => Id == UserRole.Id;

    public bool HasPermission(PermissionModel permission)
    {
        return Permissions.Exists(p => p.Id == permission.Id);
    }

    public static readonly RoleModel UserRole = new(
        "1", "User", "Role for regular users",
        new List<PermissionModel> {
            PermissionModel.ViewContentPermission,
            PermissionModel.LikeContentPermission
        }
    );

    public static readonly RoleModel ContentManagerRole = new(
        "2", "Content Manager", "Role for managing content",
        new List<PermissionModel> {
            PermissionModel.CreateUserPermission,
            PermissionModel.DisableUserPermission,
            PermissionModel.CreateContentPermission,
            PermissionModel.EditContentPermission,
            PermissionModel.DeleteContentPermission
        },
        UserRole
    );

    public static readonly RoleModel AdminRole = new(
        "3", "Admin", "Administrator role with full permissions",
        new List<PermissionModel> {
            PermissionModel.CreateUserPermission,
            PermissionModel.EditUserPermission,
            PermissionModel.DeleteUserPermission,
            PermissionModel.EditWebConfigPermission
        },
        ContentManagerRole
    );
}