import { TimeZone } from "../imports/TimeZone";
import { GlideTime } from "./GlideTime";
import { GlideCounter } from "./GlideCounter";
import { GlideDate } from "./GlideDate";
import { GlideDuration } from "./GlideDuration";

/**
 * The scoped GlideDateTime default constructor, instantiates a new GlideDateTime object with the current date and time
 * in Greenwich Mean Time (GMT). Optional 'value' parameter with a date and time val...
 */
export declare class GlideDateTime {
  /**
   * Adds a GlideTime object to the current GlideDateTime object
   */
  add(gd: GlideTime): void;
  add(value: number): void;
  addDays(amount: number): void;

  /**
   * Adds a specified number of days to the current GlideDateTime object, expressed in the user's timezone
   */
  addDaysLocalTime(amount: number): void;

  /**
   * Adds a specified number of days to the current GlideDateTime object, expressed in the UTC time zone
   */
  addDaysUTC(amount: number): void;
  addMonths(amount: number): void;

  /**
   * Adds a specified number of months to the current GlideDateTime object, expressed in the user's time zone
   */
  addMonthsLocalTime(amount: number): void;

  /**
   * Adds a specified number of months to the current GlideDateTime object, expressed in the UTC time zone
   */
  addMonthsUTC(amount: number): void;

  /**
   * Adds a specified number of seconds to the current GlideDateTime object
   */
  addSeconds(value: number): void;
  addWeeks(amount: number): void;

  /**
   * Adds a specified number of weeks to the current GlideDateTime object, expressed in the user's timezone
   */
  addWeeksLocalTime(amount: number): void;

  /**
   * Adds a specified number of weeks to the current GlideDateTime object, expressed in the UTC time zone
   */
  addWeeksUTC(amount: number): void;
  addYears(amount: number): void;

  /**
   * Adds a specified number of years to the current GlideDateTime object, expressed in the user's time zone
   */
  addYearsLocalTime(amount: number): void;

  /**
   * Adds a specified number of years to the current GlideDateTime object, expressed in the UTC time zone
   */
  addYearsUTC(amount: number): void;

  /**
   * Returns true if the object's data time is after the input argument
   */
  after(gdt: GlideDateTime): boolean;

  /**
   * Returns true if the object's data time is before the input argument
   */
  before(gdt: GlideDateTime): boolean;

  /**
   * Compares two GlideDateTime objects
   */
  compareTo(o: any): number;
  constructor();
  constructor(date: Date);
  constructor(g: GlideDateTime);
  constructor(value: string);
  constructor(value: string, isDisplayValue: boolean);
  equals(o: any): boolean;
  static excludeZFromFormat(format: string): string;
  getCalendarInTimeZone(timeZone: string): any;
  getCounter(): GlideCounter;

  /**
   * Gets the amount of time that daylight savings time is offset
   */
  getDSTOffset(): number;

  /**
   * Gets the date in the system time zone
   */
  getDate(): GlideDate;
  getDayOfMonth(): number;

  /**
   * Gets the day of the month stored by the GlideDateTime object, expressed in the current user's time zone
   */
  getDayOfMonthLocalTime(): number;

  /**
   * Gets the day of the month stored by the GlideDateTime object, expressed in the UTC time zone
   */
  getDayOfMonthUTC(): number;
  getDayOfWeek(): number;

  /**
   * Gets the day of the week stored by the GlideDateTime object, expressed in the user's time zone
   */
  getDayOfWeekLocalTime(): number;

  /**
   * Gets the day of the week stored by the GlideDateTime object, expressed in the UTC time zone
   */
  getDayOfWeekUTC(): number;
  getDaysInMonth(): number;

  /**
   * Sets the day of the month to a specified value in the user's time zone
   */
  getDaysInMonthLocalTime(): number;

  /**
   * Gets the number of days in the month stored by the GlideDateTime object, expressed in the UTC time zone
   */
  getDaysInMonthUTC(): number;

  /**
   * Gets the datetime in the current user's display format and time zone
   */
  getDisplayValue(): string;

  /**
   * Gets the display value in the internal datetime format
   */
  getDisplayValueInternal(): string;
  getDisplayValueLang(style: string): string;
  getDisplayValueLang(style: string, language: string): string;
  getDisplayValueWithoutTZ(): string;

  /**
   * Gets the current error message
   */
  getErrorMsg(): string;

  /**
   * Returns local time with internal time format
   */
  getInternalFormattedLocalTime(): string;
  getInternalMidnight(iday: number): GlideDateTime;

  /**
   * Gets the date for the user's time zone
   */
  getLocalDate(): GlideDate;

  /**
   * Returns a GlideTime object that represents the time portion of the GlideDateTime object in the user's time zone
   */
  getLocalTime(): GlideTime;
  getMonth(): number;

  /**
   * Gets the month stored by the GlideDateTime object, expressed in the current user's time zone
   */
  getMonthLocalTime(): number;

  /**
   * Gets the month stored by the GlideDateTime object, expressed in the UTC time zone
   */
  getMonthUTC(): number;

  /**
   * Gets the number of milliseconds since January 1, 1970, 00:00:00 Greenwich Mean Time (GMT)
   */
  getNumericValue(): number;
  getRaw(): Date;
  getSpanTime(dayofweek: number): GlideTime;
  getTZOffset(): number;

  /**
   * Returns a GlideTime object that represents the time portion of the GlideDateTime object
   */
  getTime(): GlideTime;
  getUTCMidnight(dayofweek: number): GlideDateTime;
  getUTCValue(): string;

  /**
   * Returns local time with user time format
   */
  getUserFormattedLocalTime(): string;
  getUserTimeZone(): TimeZone;

  /**
   * Gets a datetiime value in the same format as it is stored in the database
   */
  getValue(): string;

  /**
   * Gets the number of the week stored by the GlideDateTime object, expressed in the user's time zone
   */
  getWeekOfYearLocalTime(): number;

  /**
   * Gets the number of the current week of the current year
   */
  getWeekOfYearUTC(): number;
  getXMLValue(): string;
  getYear(): number;

  /**
   * Gets the year stored by the GlideDateTime object, expressed in the current user's time zone
   */
  getYearLocalTime(): number;

  /**
   * Gets the year stored by the GlideDateTime object, expressed in the UTC time zone
   */
  getYearUTC(): number;

  /**
   * Determines if an object's date is set
   */
  hasDate(): boolean;
  hashCode(): number;

  /**
   * Determines if an object's time uses a daylight savings offset
   */
  isDST(): boolean;

  /**
   * Determines if a value is a valid datetime
   */
  isValid(): boolean;

  /**
   * Returns true if the object's data time is on or after the input argument
   */
  onOrAfter(gdt: GlideDateTime): boolean;

  /**
   * Returns true if the object's data time is on or before the input argument
   */
  onOrBefore(gdt: GlideDateTime): boolean;
  setDayOfMonth(day: number): void;

  /**
   * Sets the day of the month to a specified value in the local time zone
   */
  setDayOfMonthLocalTime(day: number): void;

  /**
   * Sets the day of the month to a specified value in the UTC time zone
   */
  setDayOfMonthUTC(day: number): void;
  setDebugTZ(debugTZ: TimeZone): void;

  /**
   * Sets a date and time value using the current user's display format and time zone. Also set an optional parameter
   * 'format', to set date and time format
   */
  setDisplayValue(asDisplayed: string): void;
  setDisplayValue(value: string, format: string): void;

  /**
   * Sets a date and time value using the internal format and the current user's time zone
   */
  setDisplayValueInternal(value: string): void;
  setDisplayValueInternalWithAlternates(value: string): void;
  setDisplayValueLang(asDisplayed: string, style: string): void;
  setDisplayValueLang(
    asDisplayed: string,
    style: string,
    language: string
  ): void;

  /**
   * Sets the date and time of the current object using an existing GlideDateTime object. This method is equivalent to
   * instantiating a new object with a GlideDateTime parameter
   */
  setGlideDateTime(g: GlideDateTime): void;
  setInitialValue(value: string): void;
  setMonth(month: number): void;

  /**
   * Sets the month stored by the GlideDateTime object to a specified value using the current user's time zone
   */
  setMonthLocalTime(month: number): void;

  /**
   * Sets the month stored by the GlideDateTime object to a specified value using the UTC time zone
   */
  setMonthUTC(month: number): void;
  setNumericValue(l: number): void;
  setTZ(tz: TimeZone): void;
  setTimeZone(timeZoneAsString: string): boolean;
  setValue(o: any): void;

  /**
   * Sets the date and time
   */
  setValue(number: number): void;

  /**
   * Sets a date and time value using the UTC time zone and the specified date and time format
   */
  setValueUTC(dt: string, format: string): void;
  setXMLValue(xml: string): void;
  setYear(year: number): void;

  /**
   * Sets the year stored by the GlideDateTime object to a specified value using the current user's time zone
   */
  setYearLocalTime(year: number): void;

  /**
   * Sets the year stored by the GlideDateTime object to a specified value using the UTC time zone
   */
  setYearUTC(year: number): void;

  /**
   * Gets the duration difference between two GlideDateTime values. Pass a single paramter which specifies
   * milliseconds to subtract from the current GlideDateTime object
   */
  subtract(gd: GlideTime): void;
  subtract(value: number): void;
  subtract(value: number): void;
  static subtract(start: GlideDateTime, end: GlideDateTime): GlideDuration;

  /**
   * Converts a datetime value to a string
   */
  toString(): string;
}