import { ElementRef, TemplateRef } from '@angular/core';
import { PassThrough, PassThroughOption } from 'primeng/api';

/**
 * Custom pass-through(pt) options.
 * @template I Type of instance.
 *
 * @see {@link CascadeSelect.pt}
 * @group Interface
 */
interface CascadeSelectPassThroughOptions<I = unknown> {
    /**
     * Used to pass attributes to the root's DOM element.
     */
    root?: PassThroughOption<HTMLDivElement, I>;
    /**
     * Used to pass attributes to the hidden input wrapper's DOM element.
     */
    hiddenInputWrapper?: PassThroughOption<HTMLDivElement, I>;
    /**
     * Used to pass attributes to the hidden input's DOM element.
     */
    hiddenInput?: PassThroughOption<HTMLInputElement, I>;
    /**
     * Used to pass attributes to the label's DOM element.
     */
    label?: PassThroughOption<HTMLSpanElement, I>;
    /**
     * Used to pass attributes to the dropdown's DOM element.
     */
    dropdown?: PassThroughOption<HTMLDivElement, I>;
    /**
     * Used to pass attributes to the loading icon's DOM element.
     */
    loadingIcon?: PassThroughOption<HTMLSpanElement, I>;
    /**
     * Used to pass attributes to the dropdown icon's DOM element.
     */
    dropdownIcon?: PassThroughOption<HTMLElement, I>;
    /**
     * Used to pass attributes to the clear icon's DOM element.
     */
    clearIcon?: PassThroughOption<HTMLElement, I>;
    /**
     * Used to pass attributes to the overlay's DOM element.
     */
    overlay?: PassThroughOption<HTMLDivElement, I>;
    /**
     * Used to pass attributes to the list container's DOM element.
     */
    listContainer?: PassThroughOption<HTMLDivElement, I>;
    /**
     * Used to pass attributes to the list's DOM element.
     */
    list?: PassThroughOption<HTMLUListElement, I>;
    /**
     * Used to pass attributes to the option list's DOM element.
     */
    optionList?: PassThroughOption<HTMLUListElement, I>;
    /**
     * Used to pass attributes to the option's DOM element.
     */
    option?: PassThroughOption<HTMLLIElement, I>;
    /**
     * Used to pass attributes to the option content's DOM element.
     */
    optionContent?: PassThroughOption<HTMLDivElement, I>;
    /**
     * Used to pass attributes to the option text's DOM element.
     */
    optionText?: PassThroughOption<HTMLSpanElement, I>;
    /**
     * Used to pass attributes to the group icon's DOM element.
     */
    groupIcon?: PassThroughOption<HTMLElement, I>;
}
/**
 * Defines valid pass-through options in CascadeSelect.
 * @see {@link CascadeSelectPassThroughOptions}
 *
 * @template I Type of instance.
 */
type CascadeSelectPassThrough<I = unknown> = PassThrough<I, CascadeSelectPassThroughOptions<I>>;
/**
 * Custom panel show event.
 * @see {@link CascadeSelect.onShow}
 * @group Events
 */
interface CascadeSelectShowEvent {
    /**
     * Overlay element.
     */
    overlay?: ElementRef | TemplateRef<any> | HTMLElement | null | undefined;
    /**
     * Target element.
     */
    target?: ElementRef | TemplateRef<any> | HTMLElement | null | undefined;
    /**
     * Overlay mode.
     */
    overlayMode?: 'modal' | 'overlay' | string;
}
/**
 * Custom panel hide event.
 * @see {@link CascadeSelect.onHide}
 * @extends {CascadeSelectShowEvent}
 * @group Events
 */
interface CascadeSelectHideEvent extends CascadeSelectShowEvent {
}
/**
 * Custom panel show event emits right before the panel is shown.
 * @see {@link CascadeSelect.onBeforeShow}
 * @extends {CascadeSelectShowEvent}
 * @group Events
 */
interface CascadeSelectBeforeShowEvent extends CascadeSelectShowEvent {
}
/**
 * Custom panel hide event emits right before the panel is hidden.
 * @see {@link CascadeSelect.onBeforeHide}
 * @extends {CascadeSelectShowEvent}
 * @group Events
 */
interface CascadeSelectBeforeHideEvent extends CascadeSelectShowEvent {
}
/**
 * Custom panel change event emits when selection changed.
 * @see {@link CascadeSelect.onChange}
 * @group Events
 */
interface CascadeSelectChangeEvent {
    /**
     * Browser event.
     */
    originalEvent?: Event;
    /**
     * Selected value.
     */
    value?: any;
    /**
     * Focus state.
     */
    isFocus?: boolean;
}
/**
 * Custom value template context.
 * @group Interface
 */
interface CascadeSelectValueTemplateContext<T = any> {
    /**
     * Selected value.
     */
    $implicit: T;
    /**
     * Placeholder text.
     */
    placeholder: string;
}
/**
 * Custom option template context.
 * @group Interface
 */
interface CascadeSelectOptionTemplateContext<T = any> {
    /**
     * Option instance.
     */
    $implicit: T;
    /**
     * Level of the option in the hierarchy.
     */
    level: number;
}
/**
 * Defines valid templates in CascadeSelect.
 * @group Templates
 */
interface CascadeSelectTemplates<T = any> {
    /**
     * Custom value template.
     * @param {Object} context - value data.
     */
    value(context: CascadeSelectValueTemplateContext<T>): TemplateRef<CascadeSelectValueTemplateContext<T>>;
    /**
     * Custom option template.
     * @param {Object} context - option data.
     */
    option(context: CascadeSelectOptionTemplateContext<T>): TemplateRef<CascadeSelectOptionTemplateContext<T>>;
    /**
     * Custom header template.
     */
    header(): TemplateRef<void>;
    /**
     * Custom footer template.
     */
    footer(): TemplateRef<void>;
    /**
     * Custom dropdown trigger icon template.
     */
    triggericon(): TemplateRef<void>;
    /**
     * Custom clear icon template.
     */
    clearicon(): TemplateRef<void>;
    /**
     * Custom option group icon template.
     */
    optiongroupicon(): TemplateRef<void>;
    /**
     * Custom loading icon template.
     */
    loadingicon(): TemplateRef<void>;
}

export type { CascadeSelectBeforeHideEvent, CascadeSelectBeforeShowEvent, CascadeSelectChangeEvent, CascadeSelectHideEvent, CascadeSelectOptionTemplateContext, CascadeSelectPassThrough, CascadeSelectPassThroughOptions, CascadeSelectShowEvent, CascadeSelectTemplates, CascadeSelectValueTemplateContext };