export type PermissionType = {
  serviceId: string;
  begin: number;
  end: number;
  flag: number;
  extend: string;
};

export enum Flags {
  None = 0,
  Enabled = 1,
  Disabled = 2
}

class Permission {
  serviceId: string;
  begin: number;
  end: number;
  flag: number;
  extend: string;

  static fromString(string: string) {
    const split = string.split("\t");
    return new Permission({
      serviceId: split[0],
      begin: Number(split[1]),
      end: Number(split[2]),
      flag: split.length === 5 ? Number(split[3]) : Permission.Flags.Enabled,
      extend: split.length === 5 ? split[4] : split[3]
    });
  }

  static toString(permission: Permission) {
    return [
      permission.serviceId,
      permission.begin,
      permission.end,
      permission.flag,
      permission.extend
    ].join("\t");
  }

  static Flags = Flags;

  constructor(permissionShape: PermissionType) {
    this.serviceId = permissionShape.serviceId;
    this.begin = permissionShape.begin;
    this.end = permissionShape.end;
    this.flag = permissionShape.flag;
    this.extend = permissionShape.extend;
  }
}

export default Permission;