"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
var _typeof = require("@babel/runtime/helpers/typeof");
Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = useWidthColumns;
var _objectSpread2 = _interopRequireDefault(require("@babel/runtime/helpers/objectSpread2"));
var React = _interopRequireWildcard(require("react"));
function _getRequireWildcardCache(nodeInterop) { if (typeof WeakMap !== "function") return null; var cacheBabelInterop = new WeakMap(); var cacheNodeInterop = new WeakMap(); return (_getRequireWildcardCache = function _getRequireWildcardCache(nodeInterop) { return nodeInterop ? cacheNodeInterop : cacheBabelInterop; })(nodeInterop); }
function _interopRequireWildcard(obj, nodeInterop) { if (!nodeInterop && obj && obj.__esModule) { return obj; } if (obj === null || _typeof(obj) !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(nodeInterop); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (key !== "default" && Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }
function parseColWidth(totalWidth) {
  var width = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : '';
  if (typeof width === 'number') {
    return width;
  }
  if (width.endsWith('%')) {
    return totalWidth * parseFloat(width) / 100;
  }
  return null;
}

/**
 * Fill all column with width
 */
function useWidthColumns(flattenColumns, scrollWidth, clientWidth) {
  return React.useMemo(function () {
    // Fill width if needed
    if (scrollWidth && scrollWidth > 0) {
      var totalWidth = 0;
      var missWidthCount = 0;

      // collect not given width column
      flattenColumns.forEach(function (col) {
        var colWidth = parseColWidth(scrollWidth, col.width);
        if (colWidth) {
          totalWidth += colWidth;
        } else {
          missWidthCount += 1;
        }
      });

      // Fill width
      var restWidth = Math.max(scrollWidth - totalWidth, missWidthCount);
      var restCount = missWidthCount;
      var avgWidth = restWidth / missWidthCount;
      var realTotal = 0;
      var filledColumns = flattenColumns.map(function (col) {
        var clone = (0, _objectSpread2.default)({}, col);
        var colWidth = parseColWidth(scrollWidth, clone.width);
        if (colWidth) {
          clone.width = colWidth;
        } else {
          var colAvgWidth = Math.floor(avgWidth);
          clone.width = restCount === 1 ? restWidth : colAvgWidth;
          restWidth -= colAvgWidth;
          restCount -= 1;
        }
        realTotal += clone.width;
        return clone;
      });
      var maxFitWidth = Math.max(scrollWidth, clientWidth);

      // If realTotal is less than clientWidth,
      // We need extend column width
      if (realTotal < maxFitWidth) {
        var scale = maxFitWidth / realTotal;
        restWidth = maxFitWidth;
        filledColumns.forEach(function (col, index) {
          var colWidth = Math.floor(col.width * scale);
          col.width = index === filledColumns.length - 1 ? restWidth : colWidth;
          restWidth -= colWidth;
        });
      }
      return [filledColumns, Math.max(realTotal, maxFitWidth)];
    }
    return [flattenColumns, scrollWidth];
  }, [flattenColumns, scrollWidth, clientWidth]);
}