import type { Map as _ol_Map_ } from 'ol'
import type Collection from 'ol/Collection'
import type { Coordinate } from 'ol/coordinate'
import type Feature from 'ol/Feature'
import type { Style } from 'ol/style'
import type { Draw, Modify } from 'ol/interaction'
import { Interaction } from 'ol/interaction'
import type VectorImageLayer from 'ol/layer/VectorImage'
import type VectorLayer from 'ol/layer/Vector'
import type VectorSource from 'ol/source/Vector'
import type { Geometry } from 'ol/geom'

export interface Options {
  pixelTolerance?: number;
  enableInitialGuides?: boolean;
  style?: Style | Style[];
  vectorClass?: VectorLayer<VectorSource<Feature<Geometry>>> | VectorImageLayer<VectorSource<Feature<Geometry>>>;
}

/** Interaction to snap to guidelines
 * @constructor
 * @extends {ol_interaction_Interaction}

 */
export default class SnapGuides extends Interaction {
  /**
   * @param {*} options
   *  @param {number | undefined} options.pixelTolerance distance (in px) to snap to a guideline, default 10 px
   *  @param {bool | undefined} options.enableInitialGuides whether to draw initial guidelines based on the maps orientation, default false.
   *  @param {ol_style_Style | Array<ol_style_Style> | undefined} options.style Style for the sektch features.
   *  @param {*} options.vectorClass a vector layer class to create the guides with ol6, use ol/layer/VectorImage using ol6
   */
  constructor(options: Options);

  /**
   * Remove the interaction from its current map, if any,  and attach it to a new
   * map, if any. Pass `null` to just remove the interaction from the current map.
   * @param {Map} map Map.
   * @api stable
   */
  setMap(map: _ol_Map_): void;

  /** Activate or deactivate the interaction.
   * @param {boolean} active
   */
  setActive(active: boolean): void;

  /** Clear previous added guideliness
   * @param {Array<Feature> | undefined} features a list of feature to remove, default remove all feature
   */
  clearGuides(features?: Feature[]): void;

  /** Get guidelines
   * @return {Collection} guidelines features
   */
  getGuides(): Collection<Feature>;

  /** Add a new guide to snap to
   * @param {Array<Coordinate>} v the direction vector
   * @return {Feature} feature guide
   */
  addGuide(v: Coordinate[], ortho: boolean): Feature;

  /** Add a new orthogonal guide to snap to
   * @param {Array<Coordinate>} v the direction vector
   * @return {Feature} feature guide
   */
  addOrthoGuide(v: Coordinate[]): Feature;

  /** Listen to draw event to add orthogonal guidelines on the first and last point.
   * @param {_ol_interaction_Draw_} drawi a draw interaction to listen to
   * @api
   */
  setDrawInteraction(drawi: Draw): void;

  /** Listen to modify event to add orthogonal guidelines relative to the currently dragged point
   * @param {_ol_interaction_Modify_} modifyi a modify interaction to listen to
   * @api
   */
  setModifyInteraction(modifyi: Modify): void;
}