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

/**
 * Defines the layout orientation for Splitter component.
 * @group Types
 */
type SplitterLayout = 'horizontal' | 'vertical';
/**
 * Defines the state storage type for Splitter component.
 * @group Types
 */
type SplitterStateStorage = 'session' | 'local';
/**
 * Custom pass-through(pt) options.
 * @template I Type of instance.
 *
 * @see {@link Splitter.pt}
 * @group Interface
 */
interface SplitterPassThroughOptions<I = unknown> {
    /**
     * Used to pass attributes to the root's DOM element.
     */
    root?: PassThroughOption<HTMLElement, I>;
    /**
     * Used to pass attributes to the panel's DOM element.
     */
    panel?: PassThroughOption<HTMLDivElement, I>;
    /**
     * Used to pass attributes to the gutter's DOM element.
     */
    gutter?: PassThroughOption<HTMLDivElement, I>;
    /**
     * Used to pass attributes to the gutter handle's DOM element.
     */
    gutterHandle?: PassThroughOption<HTMLDivElement, I>;
}
/**
 * Defines valid pass-through options in Splitter component.
 * @see {@link SplitterPassThroughOptions}
 *
 * @template I Type of instance.
 */
type SplitterPassThrough<I = unknown> = PassThrough<I, SplitterPassThroughOptions<I>>;
/**
 * Custom pass-through(pt) options for SplitterPanel.
 * @template I Type of instance.
 *
 * @see {@link SplitterPanel.pt}
 * @group Interface
 */
interface SplitterPanelPassThroughOptions<I = unknown> {
    /**
     * Used to pass attributes to the root's DOM element.
     */
    root?: PassThroughOption<HTMLElement, I>;
}
/**
 * Defines valid pass-through options in SplitterPanel component.
 * @see {@link SplitterPanelPassThroughOptions}
 *
 * @template I Type of instance.
 */
type SplitterPanelPassThrough<I = unknown> = PassThrough<I, SplitterPanelPassThroughOptions<I>>;
/**
 * Custom panel resize start event.
 * @see {@link Splitter.onResizeStart}
 * @group Events
 */
interface SplitterResizeStartEvent {
    /**
     * Browser event.
     */
    originalEvent: PointerEvent | KeyboardEvent;
    /**
     * Sizes of the panels, can be percentages, pixels, rem, or other CSS units.
     */
    sizes: (number | string)[];
}
/**
 * Custom panel resize event, invoked continuously while a gutter is being dragged.
 * @see {@link Splitter.onResize}
 * @extends {SplitterResizeStartEvent}
 * @group Events
 */
interface SplitterResizeEvent extends SplitterResizeStartEvent {
}
/**
 * Custom panel resize end event.
 * @see {@link Splitter.onResizeEnd}
 * @extends {SplitterResizeStartEvent}
 * @group Events
 */
interface SplitterResizeEndEvent extends SplitterResizeStartEvent {
}
/**
 * Custom collapse event, invoked when a collapsible panel collapses or expands.
 * @see {@link Splitter.onCollapse}
 * @group Events
 */
interface SplitterCollapseEvent {
    /**
     * Index of the panel whose collapsed state changed.
     */
    index: number;
    /**
     * Current collapsed state of the panel.
     */
    collapsed: boolean;
    /**
     * Sizes of the panels at the moment the change happened.
     */
    sizes: number[];
}
/**
 * Defines valid templates in Splitter.
 * @group Templates
 */
interface SplitterTemplates {
    /**
     * Custom panel template.
     */
    panel(): TemplateRef<void>;
}

export type { SplitterCollapseEvent, SplitterLayout, SplitterPanelPassThrough, SplitterPanelPassThroughOptions, SplitterPassThrough, SplitterPassThroughOptions, SplitterResizeEndEvent, SplitterResizeEvent, SplitterResizeStartEvent, SplitterStateStorage, SplitterTemplates };