import getBasePlacement from "../utils/getBasePlacement.js";
import { placements, left, right, top } from "../enums.js";
function distanceAndSkiddingToXY(placement, rects, offset2) {
  var basePlacement = getBasePlacement(placement);
  var invertDistance = [left, top].indexOf(basePlacement) >= 0 ? -1 : 1;
  var _ref = typeof offset2 === "function" ? offset2(Object.assign({}, rects, {
    placement
  })) : offset2, skidding = _ref[0], distance = _ref[1];
  skidding = skidding || 0;
  distance = (distance || 0) * invertDistance;
  return [left, right].indexOf(basePlacement) >= 0 ? {
    x: distance,
    y: skidding
  } : {
    x: skidding,
    y: distance
  };
}
function offset(_ref2) {
  var state = _ref2.state, options = _ref2.options, name = _ref2.name;
  var _options$offset = options.offset, offset2 = _options$offset === void 0 ? [0, 0] : _options$offset;
  var data = placements.reduce(function(acc, placement) {
    acc[placement] = distanceAndSkiddingToXY(placement, state.rects, offset2);
    return acc;
  }, {});
  var _data$state$placement = data[state.placement], x = _data$state$placement.x, y = _data$state$placement.y;
  if (state.modifiersData.popperOffsets != null) {
    state.modifiersData.popperOffsets.x += x;
    state.modifiersData.popperOffsets.y += y;
  }
  state.modifiersData[name] = data;
}
const offset$1 = {
  name: "offset",
  enabled: true,
  phase: "main",
  requires: ["popperOffsets"],
  fn: offset
};
export {
  offset$1 as default,
  distanceAndSkiddingToXY
};
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