import addon from "../utils/addon";
import { checkIfNativeElement } from "../utils/helpers";
import { NativeElement, Component } from "../core/Component";
import { QVariant } from "./QVariant";
import { DateFormat } from "../QtEnums";

export class QDate extends Component {
  constructor(arg?: NativeElement | number, month?: number, day?: number) {
    const count = arguments.length;
    let native: NativeElement;
    if (count == 3) {
      native = new addon.QDate(arg, month, day);
    } else if (checkIfNativeElement(arg)) {
      native = arg as NativeElement;
    } else {
      native = new addon.QDate();
    }
    super(native);
  }
  addDays(ndays: number): QDate {
    return new QDate(this.native?.addDays(ndays));
  }
  addMonths(nmonths: number): QDate {
    return new QDate(this.native?.addMonths(nmonths));
  }
  addYears(nyears: number): QDate {
    return new QDate(this.native?.addYears(nyears));
  }
  day(): number {
    return this.native?.day();
  }
  dayOfWeek(): number {
    return this.native?.dayOfWeek();
  }
  dayOfYear(): number {
    return this.native?.dayOfYear();
  }
  daysInMonth(): number {
    return this.native?.daysInMonth();
  }
  daysInYear(): number {
    return this.native?.daysInYear();
  }
  daysTo(d: QDate): number {
    return this.native?.daysTo(d.native);
  }
  isNull(): boolean {
    return this.native?.isNull();
  }
  isValid(): boolean {
    return this.native?.isValid();
  }
  month(): number {
    return this.native?.month();
  }
  setDate(year: number, month: number, day: number): boolean {
    return this.native?.setDate(year, month, day);
  }
  toJulianDay(): number {
    return this.native?.toJulianDay();
  }
  toString(format: string | DateFormat): string {
    return this.native?.toString$(format);
  }
  year(): number {
    return this.native?.year();
  }
  static currentDate(): QDate {
    return new QDate(addon.QDate.currentDate());
  }
  static fromJulianDay(jd: number): QDate {
    return new QDate(addon.QDate.fromJulianDay(jd));
  }
  static isLeapYear(year: number): boolean {
    return addon.QDate.isLeapYear(year);
  }
  static isValid(year: number, month: number, day: number): boolean {
    return addon.QDate.isValid(year, month, day);
  }
  static fromString(dateString: string, format: string | DateFormat): QDate {
    return new QDate(addon.QDate.fromString(dateString, format));
  }
  static fromQVariant(variant: QVariant): QDate {
    return new QDate(addon.QDate.fromQVariant(variant.native));
  }
}