// Metro module 324 (f325).
import _classCallCheck from "./_classCallCheck";
import _createClass from "./_createClass";
import Module38 from "./Module38";
let env337 = {};
const CellRenderMask = function CellRenderMask(a0) {
  _classCallCheck(this, CellRenderMask);
  Module38(a0 >= 0, "CellRenderMask must contain a non-negative number os cells");
  this._numCells = a0;
  this._regions = a0 === 0 ? [] : [{
    first: 0,
    last: a0 - 1,
    isSpacer: true
  }];
};
exports.CellRenderMask = _createClass(CellRenderMask, [{
  key: "enumerateRegions",
  value: function enumerateRegions() {
    return this._regions;
  }
}, {
  key: "addCells",
  value: function addCells(a0) {
    const r3 = a0.first >= 0 && a0.first < this._numCells && a0.last >= -1 && a0.last < this._numCells && a0.last >= a0.first - 1;
    L20: {
      Module38(r3, "CellRenderMask.addCells called with invalid cell range");
      if (!(a0.last < a0.first)) {
        const [r13, r40] = this._findRegion(a0.first);
        const [r14, r45] = this._findRegion(a0.last);
        if (r40 === r45 && !r13.isSpacer) {
          break L20;
        }
        const r12 = [];
        const r47 = {
          ...a0,
          isSpacer: false
        };
        if (r13.first < r47.first) {
          if (r13.isSpacer) {
            r12.push({
              first: r13.first,
              last: r47.first - 1,
              isSpacer: true
            });
          } else {
            r47.first = r13.first;
          }
        }
        const r60 = [];
        if (r14.last > r47.last) {
          if (r14.isSpacer) {
            r60.push({
              first: r47.last + 1,
              last: r14.last,
              isSpacer: true
            });
          } else {
            r47.last = r14.last;
          }
        }
        const r71 = [...r12, r47, ...r60];
        const r81 = r45 - r40 + 1;
        const _regions = this._regions;
        _regions.splice.apply(_regions, [r40, r81, ...r71]);
      }
    }
  }
}, {
  key: "numCells",
  value: function numCells() {
    return this._numCells;
  }
}, {
  key: "equals",
  value: function equals(a0) {
    return this._numCells === a0._numCells && this._regions.length === a0._regions.length && this._regions.every((_region, index) => {
      const first = _region.first;
      return first === a0._regions[index].first && _region.last === a0._regions[index].last && _region.isSpacer === a0._regions[index].isSpacer;
    });
  }
}, {
  key: "_findRegion",
  value: function _findRegion(a0) {
    let r24, r25;
    let r1 = this._regions.length - 1;
    let r10 = 0;
    while (r10 <= r1) {
      const r18 = Math.floor((r10 + r1) / 2);
      const r20 = this._regions[r18];
      const first = r20.first;
      const r2 = r1;
      const r14 = r10;
      if (a0 >= first && a0 <= r20.last) {
        return [r20, r18];
      }
      if (a0 < r20.first) {
        r24 = r18 - 1;
        r25 = r14;
      } else {
        const last = r20.last;
        r24 = r2;
        r25 = r14;
        if (a0 > last) {
          r25 = r18 + 1;
          r24 = r2;
        }
      }
      r1 = r24;
      r10 = r25;
    }
    Module38(false, `A region was not found containing cellIdx ${a0}`);
  }
}]);