/**
 *
 * Calendar also known as DatePicker, is a form component to work with dates.
 *
 * [Live Demo](https://www.primevue.org/calendar/)
 *
 * @module calendar
 *
 */
import { HTMLAttributes, InputHTMLAttributes, VNode } from 'vue';
import { ClassComponent, GlobalComponentConstructor } from '../ts-helpers';

/**
 * Custom Calendar responsive options metadata.
 */
export interface CalendarResponsiveOptions {
    /**
     * Breakpoint for responsive mode. Exp; @media screen and (max-width: ${breakpoint}) {...}
     */
    breakpoint: string;
    /**
     * The number of visible months on breakpoint.
     */
    numMonths: number;
}

/**
 * Custom Calendar month change event.
 * @see {@link CalendarEmits['month-change']]}
 */
export interface CalendarMonthChangeEvent {
    /**
     * New month.
     */
    month: number;
    /**
     * New year.
     */
    year: number;
}

/**
 * Custom Calendar year change event.
 * @see {@link CalendarEmits['year-change']]}
 */
export interface CalendarYearChangeEvent {
    /**
     * New month.
     */
    month: number;
    /**
     * New year.
     */
    year: number;
}

/**
 * Custom Calendar blur event.
 * @see {@link CalendarEmits.blur}
 */
export interface CalendarBlurEvent {
    /**
     * Browser event
     */
    originalEvent: Event;
    /**
     * Input value
     */
    value: string;
}

/**
 * Defines valid properties in Calendar component.
 */
export interface CalendarProps {
    /**
     * Value of the component.
     * @defaultValue null
     */
    modelValue?: string | Date | string[] | Date[] | undefined | null;
    /**
     * Defines the quantity of the selection.
     * @defaultValue single
     */
    selectionMode?: 'single' | 'multiple' | 'range' | undefined;
    /**
     * Format of the date. Defaults to PrimeVue Locale configuration.
     */
    dateFormat?: string | undefined;
    /**
     * When enabled, displays the calendar as inline instead of an overlay.
     * @defaultValue false
     */
    inline?: boolean | undefined;
    /**
     * Whether to display dates in other months (non-selectable) at the start or end of the current month. To make these days selectable use the selectOtherMonths option.
     * @defaultValue true
     */
    showOtherMonths?: boolean | undefined;
    /**
     * Whether days in other months shown before or after the current month are selectable. This only applies if the showOtherMonths option is set to true.
     * @defaultValue false
     */
    selectOtherMonths?: boolean | undefined;
    /**
     * When enabled, displays a button with icon next to input.
     * @defaultValue false
     */
    showIcon?: boolean | undefined;
    /**
     * Icon of the calendar button.
     * @defaultValue 'pi pi-calendar'
     */
    icon?: string | undefined;
    /**
     * Icon to show in the previous button.
     * @defaultValue 'pi pi-chevron-left'
     */
    previousIcon?: string | undefined;
    /**
     * Icon to show in the next button.
     * @defaultValue 'pi pi-chevron-right'
     */
    nextIcon?: string | undefined;
    /**
     * Icon to show in each of the increment buttons.
     * @defaultValue 'pi pi-chevron-up'
     */
    incrementIcon?: string | undefined;
    /**
     * Icon to show in each of the decrement buttons.
     * @defaultValue 'pi pi-chevron-down'
     */
    decrementIcon?: string | undefined;
    /**
     * Number of months to display.
     * @defaultValue 1
     */
    numberOfMonths?: number | undefined;
    /**
     * An array of options for responsive design.
     */
    responsiveOptions?: CalendarResponsiveOptions[];
    /**
     * Type of view to display.
     * @defaultValue 'date'
     */
    view?: 'date' | 'month' | 'year' | undefined;
    /**
     * When enabled, calendar overlay is displayed as optimized for touch devices.
     * @defaultValue false
     */
    touchUI?: boolean | undefined;
    /**
     * Whether the month should be rendered as a dropdown instead of text.
     *
     * @deprecated since version 3.9.0, Navigator is always on.
     * @defaultValue false
     */
    monthNavigator?: boolean | undefined;
    /**
     * Whether the year should be rendered as a dropdown instead of text.
     *
     * @deprecated since version 3.9.0, Navigator is always on.
     * @defaultValue false
     */
    yearNavigator?: boolean | undefined;
    /**
     * The range of years displayed in the year drop-down in (nnnn:nnnn) format such as (2000:2020).
     *
     * @deprecated since version 3.9.0, Years are based on decades by default.
     * @defaultValue false
     */
    yearRange?: string | undefined;
    /**
     * The minimum selectable date.
     */
    minDate?: Date | undefined;
    /**
     * The maximum selectable date.
     */
    maxDate?: Date | undefined;
    /**
     * Array with dates to disable.
     */
    disabledDates?: Date[] | undefined;
    /**
     * Array with disabled weekday numbers.
     */
    disabledDays?: number[] | undefined;
    /**
     * Maximum number of selectable dates in multiple mode.
     */
    maxDateCount?: number | undefined;
    /**
     * When disabled, datepicker will not be visible with input focus.
     * @defaultValue true
     */
    showOnFocus?: boolean | undefined;
    /**
     * Whether to automatically manage layering.
     * @defaultValue true
     */
    autoZIndex?: boolean | undefined;
    /**
     * Base zIndex value to use in layering.
     * @defaultValue 0
     */
    baseZIndex?: number | undefined;
    /**
     * Whether to display today and clear buttons at the footer.
     * @defaultValue false
     */
    showButtonBar?: boolean | undefined;
    /**
     * The cutoff year for determining the century for a date.
     * @defaultValue '+10'
     */
    shortYearCutoff?: string | undefined;
    /**
     * Whether to display timepicker.
     * @defaultValue false
     */
    showTime?: boolean | undefined;
    /**
     * Whether to display timepicker only.
     * @defaultValue false
     */
    timeOnly?: boolean | undefined;
    /**
     * Specifies hour format.
     * @defaultValue 24
     */
    hourFormat?: '12' | '24' | undefined;
    /**
     * Hours to change per step.
     * @defaultValue 1
     */
    stepHour?: number | undefined;
    /**
     * Minutes to change per step.
     * @defaultValue 1
     */
    stepMinute?: number | undefined;
    /**
     * Seconds to change per step.
     * @defaultValue 1
     */
    stepSecond?: number | undefined;
    /**
     * Whether to show the seconds in time picker.
     * @defaultValue false
     */
    showSeconds?: boolean | undefined;
    /**
     * Whether to hide the overlay on date selection when showTime is enabled.
     * @defaultValue false
     */
    hideOnDateTimeSelect?: boolean | undefined;
    /**
     * Whether to hide the overlay on date selection is completed when selectionMode is range.
     * @defaultValue false
     */
    hideOnRangeSelection?: boolean | undefined;
    /**
     * Separator of time selector.
     * @defaultValue ':'
     */
    timeSeparator?: string | undefined;
    /**
     * When enabled, calendar will show week numbers.
     * @defaultValue false
     */
    showWeek?: boolean | undefined;
    /**
     * Wheter to allow prevents entering the date manually via typing.
     * @defaultValue true
     */
    manualInput?: boolean | undefined;
    /**
     * When present, it specifies that the component should be disabled.
     * @defaultValue false
     */
    disabled?: boolean | undefined;
    /**
     * When present, it specifies that an input field is read-only.
     * @defaultValue false
     */
    readonly?: boolean | undefined;
    /**
     * Placeholder text for the input.
     */
    placeholder?: string | undefined;
    /**
     * A valid query selector or an HTMLElement to specify where the overlay gets attached.
     * @defaultValue 'body'
     */
    appendTo?: 'body' | 'self' | string | undefined | HTMLElement;
    /**
     * Identifier of the element.
     */
    id?: string | undefined;
    /**
     * Identifier of the underlying input element.
     */
    inputId?: string | undefined;
    /**
     * Inline style of the input field.
     */
    inputStyle?: any | undefined;
    /**
     * Style class of the input field.
     */
    inputClass?: any | undefined;
    /**
     * Uses to pass all properties of the HTMLInputElement to the focusable input element inside the component.
     */
    inputProps?: InputHTMLAttributes | undefined;
    /**
     * Inline style of the overlay panel.
     */
    panelStyle?: any | undefined;
    /**
     * Style class of the overlay panel.
     */
    panelClass?: any | undefined;
    /**
     * Uses to pass all properties of the HTMLDivElement to the overlay panel inside the component.
     */
    panelProps?: HTMLAttributes | undefined;
    /**
     * Establishes relationships between the component and label(s) where its value should be one or more element IDs.
     */
    'aria-labelledby'?: string | undefined;
    /**
     * Establishes a string value that labels the component.
     */
    'aria-label'?: string | undefined;
}

/**
 * Defines valid slots in Calendar component.
 */
export interface CalendarSlots {
    /**
     * Custom header template of panel.
     */
    header(): VNode[];
    /**
     * Custom footer template of panel.
     */
    footer(): VNode[];
    /**
     * Custom date template.
     */
    date(scope: {
        /**
         * Value of the component.
         */
        date: { day: number; month: number; year: number; today: boolean; selectable: boolean };
    }): VNode[];
    /**
     * Custom decade template.
     */
    decade(scope: {
        /**
         * An array containing the start and and year of a decade to display at header of the year picker.
         */
        years: string[] | undefined;
    }): VNode[];
}

/**
 * Defines valid emits in Calendar component.
 */
export interface CalendarEmits {
    /**
     * Emitted when the value changes.
     * @param {string | Date | string[] | Date[] | undefined} value - New value.
     */
    'update:modelValue'(value: string | Date | string[] | Date[] | undefined): void;
    /**
     * Callback to invoke when input field is being typed.
     * @param {Event} event - Browser event
     */
    input(event: Event): void;
    /**
     * Callback to invoke when a date is selected.
     * @param {Date} value - Selected value.
     */
    'date-select'(value: Date): void;
    /**
     * Callback to invoke when datepicker panel is shown.
     */
    show(): void;
    /**
     * Callback to invoke when datepicker panel is hidden.
     */
    hide(): void;
    /**
     * Callback to invoke when today button is clicked.
     * @param {Date} date - Today as a date instance.
     */
    'today-click'(date: Date): void;
    /**
     * Callback to invoke when clear button is clicked.
     * @param {Event} event - Browser event.
     */
    'clear-click'(event: Event): void;
    /**
     * Callback to invoke when a month is changed using the navigators.
     * @param {CalendarMonthChangeEvent} event - Custom month change event.
     */
    'month-change'(event: CalendarMonthChangeEvent): void;
    /**
     * Callback to invoke when a year is changed using the navigators.
     * @param {CalendarYearChangeEvent} event - Custom year change event.
     */
    'year-change'(event: CalendarYearChangeEvent): void;
    /**
     * Callback to invoke on focus of input field.
     * @param {Event} event - Focus event
     */
    focus(event: Event): void;
    /**
     * Callback to invoke on blur of input field.
     * @param {CalendarBlurEvent} event - Blur event
     */
    blur(event: CalendarBlurEvent): void;
    /**
     * Callback to invoke when a key is pressed.
     */
    keydown(event: Event): void;
}

/**
 * **PrimeVue - Calendar**
 *
 * _Calendar also known as DatePicker, is a form component to work with dates._
 *
 * [Live Demo](https://www.primevue.org/calendar/)
 * --- ---
 * ![PrimeVue](https://primefaces.org/cdn/primevue/images/logo-100.png)
 *
 * @group Component
 */
declare class Calendar extends ClassComponent<CalendarProps, CalendarSlots, CalendarEmits> {}

declare module '@vue/runtime-core' {
    interface GlobalComponents {
        Calendar: GlobalComponentConstructor<Calendar>;
    }
}

export default Calendar;