import { Control, ControlPosition } from 'leaflet';
import { registerWithParent } from '../core/utils.js';
import type { PropDef, PropTypesFromTable } from '../types/props.js';

const PROPS = {
  position: { kind: 'str', attr: 'position', default: 'topleft' },
  zoomInText: { kind: 'str', attr: 'zoom-in-text', default: '+' },
  zoomInTitle: { kind: 'str', attr: 'zoom-in-title', default: 'Zoom in' },
  zoomOutText: { kind: 'str', attr: 'zoom-out-text', default: '-' },
  zoomOutTitle: { kind: 'str', attr: 'zoom-out-title', default: 'Zoom out' },
} satisfies Record<string, PropDef>;

type PropTypes = PropTypesFromTable<typeof PROPS>;
const TypedBase = HTMLElement as unknown as new () => HTMLElement & PropTypes;

export class LeafletControlZoom extends TypedBase {
  #obj?: Control.Zoom;

  static get observedAttributes() {
    return Object.values(PROPS).map((s) => s.attr);
  }

  static {
    for (const [name, spec] of Object.entries(PROPS)) {
      Object.defineProperty(LeafletControlZoom.prototype, name, {
        get(this: LeafletControlZoom) {
          const val = this.getAttribute(spec.attr);
          return val ?? (spec as { default: string }).default;
        },
        set(this: LeafletControlZoom, v: number | string) {
          this.setAttribute(spec.attr, String(v));
        },
        configurable: true,
        enumerable: true,
      });
    }
  }

  connectedCallback() {
    this.#obj = new Control.Zoom({
      position: this.getAttribute('position') as ControlPosition | undefined,
      zoomInText: this.getAttribute('zoom-in-text') ?? '+',
      zoomInTitle: this.getAttribute('zoom-in-title') ?? 'Zoom in',
      zoomOutText: this.getAttribute('zoom-out-text') ?? '-',
      zoomOutTitle: this.getAttribute('zoom-out-title') ?? 'Zoom out',
    });
    registerWithParent(this, this.#obj);
  }

  disconnectedCallback() {
    this.#obj?.remove();
    this.#obj = undefined;
  }
}

customElements.define('leaflet-control-zoom', LeafletControlZoom);