import type { NodeDef } from '../../NodeRegistry';
import { asBoolean, asEntity, asNumber } from '../../values';
import { bool, exec, num, obj, withDefault } from '../shared';

export const Move: NodeDef = {
  type: 'Move',
  label: 'Move',
  category: 'action',
  description:
    "Moves an object by (dx, dy) × scale × dt. Connect dt to an event's dt for per-second movement; " +
    'leave it at 1 for per-frame. With "Collide with solids" on, the object\'s solid colliders stop at ' +
    'other solid colliders and slide along them; blocked x/y tell which axes hit.',
  inputs: [
    exec(),
    obj('object'),
    num('dx'),
    num('dy'),
    withDefault(num('scale'), 1),
    withDefault(num('dt'), 1),
  ],
  outputs: [exec(), bool('blockedX', 'blocked x'), bool('blockedY', 'blocked y')],
  params: [{ key: 'collide', label: 'Collide with solids', kind: 'boolean', default: false }],
  run: (ctx, inputs, params) => {
    const target = asEntity(inputs.object);
    if (!target) return { next: 'exec', outputs: { blockedX: false, blockedY: false } };
    const factor = asNumber(inputs.scale) * asNumber(inputs.dt);
    const dx = asNumber(inputs.dx) * factor;
    const dy = asNumber(inputs.dy) * factor;
    if (asBoolean(params.collide)) return { next: 'exec', outputs: ctx.moveAndSlide(target, dx, dy) };
    target.x += dx;
    target.y += dy;
    return { next: 'exec', outputs: { blockedX: false, blockedY: false } };
  },
};