text: 'use strict';
  
  /*!
   * Copyright 2019 SmugMug, Inc.
   * Licensed under the terms of the MIT license. Please see LICENSE file in the project root for terms.
   * @license
   */
  
  
  /**
   * Row
   * Wrapper for each row in a justified layout.
   * Stores relevant values and provides methods for calculating layout of individual rows.
   *
   * @param {Object} layoutConfig - The same as that passed
   * @param {Object} Initialization parameters. The following are all required:
   * @param params.top {Number} Top of row, relative to container
   * @param params.left {Number} Left side of row relative to container (equal to container left padding)
   * @param params.width {Number} Width of row, not including container padding
   * @param params.spacing {Number} Horizontal spacing between items
   * @param params.targetRowHeight {Number} Layout algorithm will aim for this row height
   * @param params.targetRowHeightTolerance {Number} Row heights may vary +/- (`targetRowHeight` x `targetRowHeightTolerance`)
   * @param params.edgeCaseMinRowHeight {Number} Absolute minimum row height for edge cases that cannot be resolved within tolerance.
   * @param params.edgeCaseMaxRowHeight {Number} Absolute maximum row height for edge cases that cannot be resolved within tolerance.
   * @param params.isBreakoutRow {Boolean} Is this row in particular one of those breakout rows? Always false if it's not that kind of photo list
   * @param params.widowLayoutStyle {String} If widows are visible, how should they be laid out?
   * @constructor
   */
  
  const  Row = function (params) {
  
  	// Top of row, relative to container
  	this.top = params.top;
  
  	// Left side of row relative to container (equal to container left padding)
  	this.left = params.left;
  
  	// Width of row, not including container padding
  	this.width = params.width;
  
  	// Horizontal spacing between items
  	this.spacing = params.spacing;
  
  	// Row height calculation values
  	this.targetRowHeight = params.targetRowHeight;
  	this.targetRowHeightTolerance = params.targetRowHeightTolerance;
  	this.minAspectRatio = this.width / params.targetRowHeight * (1 - params.targetRowHeightTolerance);
  	this.maxAspectRatio = this.width / params.targetRowHeight * (1 + params.targetRowHeightTolerance);
  
  	// Edge case row height minimum/maximum
  	this.edgeCaseMinRowHeight = params.edgeCaseMinRowHeight;
  	this.edgeCaseMaxRowHeight = params.edgeCaseMaxRowHeight;
  
  	// Widow layout direction
  	this.widowLayoutStyle = params.widowLayoutStyle;
  
  	// Full width breakout rows
  	this.isBreakoutRow = params.isBreakoutRow;
  
  	// Store layout data for each item in row
  	this.items = [];
  
  	// Height remains at 0 until it's been calculated
  	this.height = 0;
  
  };
  
  Row.prototype = {
  
  	/**
  	 * Attempt to add a single item to the row.
  	 * This is the heart of the justified algorithm.
  	 * This method is direction-agnostic; it deals only with sizes, not positions.
  	 *
  	 * If the item fits in the row, without pushing row height beyond min/max tolerance,
  	 * the item is added and the method returns true.
  	 *
  	 * If the item leaves row height too high, there may be room to scale it down and add another item.
  	 * In this case, the item is added and the method returns true, but the row is incomplete.
  	 *
  	 * If the item leaves row height too short, there are too many items to fit within tolerance.
  	 * The method will either accept or reject the new item, favoring the resulting row height closest to within tolerance.
  	 * If the item is rejected, left/right padding will be required to fit the row height within tolerance;
  	 * if the item is accepted, top/bottom cropping will be required to fit the row height within tolerance.
  	 *
  	 * @method addItem
  	 * @param itemData {Object} Item layout data, containing item aspect ratio.
  	 * @return {Boolean} True if successfully added; false if rejected.
  	 */
  
  	addItem: function (itemData) {
  
  		var newItems = this.items.concat(itemData),
  			// Calculate aspect ratios for items only; exclude spacing
  			rowWidthWithoutSpacing = this.width - (newItems.length - 1) * this.spacing,
  			newAspectRatio = newItems.reduce(function (sum, item) {
  				return sum + item.aspectRatio;
  			}, 0),
  			targetAspectRatio = rowWidthWithoutSpacing / this.targetRowHeight,
  			previousRowWidthWithoutSpacing,
  			previousAspectRatio,
  			previousTargetAspectRatio;
  
  		// Handle big full-width breakout photos if we're doing them
  		if (this.isBreakoutRow) {
  			// Only do it if there's no other items in this row
  			if (this.items.length === 0) {
  				// Only go full width if this photo is a square or landscape
  				if (itemData.aspectRatio >= 1) {
  					// Close out the row with a full width photo
  					this.items.push(itemData);
  					this.completeLayout(rowWidthWithoutSpacing / itemData.aspectRatio, 'justify');
  					return true;
  				}
  			}
  		}
  
  		if (newAspectRatio < this.minAspectRatio) {
  
  			// New aspect ratio is too narrow / scaled row height is too tall.
  			// Accept this item and leave row open for more items.
  
  			this.items.push(Object.assign(itemData));
  			return true;
  
  		} else if (newAspectRatio > this.maxAspectRatio) {
  
  			// New aspect ratio is too wide / scaled row height will be too short.
  			// Accept item if the resulting aspect ratio is closer to target than it would be without the item.
  			// NOTE: Any row that falls into this block will require cropping/padding on individual items.
  
  			if (this.items.length === 0) {
  
  				// When there are no existing items, force acceptance of the new item and complete the layout.
  				// This is the pano special case.
  				this.items.push(Object.assign(itemData));
  				this.completeLayout(rowWidthWithoutSpacing / newAspectRatio, 'justify');
  				return true;
  
  			}
  
  			// Calculate width/aspect ratio for row before adding new item
  			previousRowWidthWithoutSpacing = this.width - (this.items.length - 1) * this.spacing;
  			previousAspectRatio = this.items.reduce(function (sum, item) {
  				return sum + item.aspectRatio;
  			}, 0);
  			previousTargetAspectRatio = previousRowWidthWithoutSpacing / this.targetRowHeight;
  
  			if (Math.abs(newAspectRatio - targetAspectRatio) > Math.abs(previousAspectRatio - previousTargetAspectRatio)) {
  
  				// Row with new item is us farther away from target than row without; complete layout and reject item.
  				this.completeLayout(previousRowWidthWithoutSpacing / previousAspectRatio, 'justify');
  				return false;
  
  			} else {
  
  				// Row with new item is us closer to target than row without;
  				// accept the new item and complete the row layout.
  				this.items.push(Object.assign(itemData));
  				this.completeLayout(rowWidthWithoutSpacing / newAspectRatio, 'justify');
  				return true;
  
  			}
  
  		} else {
  
  			// New aspect ratio / scaled row height is within tolerance;
  			// accept the new item and complete the row layout.
  			this.items.push(Object.assign(itemData));
  			this.completeLayout(rowWidthWithoutSpacing / newAspectRatio, 'justify');
  			return true;
  
  		}
  
  	},
  
  	/**
  	 * Check if a row has completed its layout.
  	 *
  	 * @method isLayoutComplete
  	 * @return {Boolean} True if complete; false if not.
  	 */
  
  	isLayoutComplete: function () {
  		return this.height > 0;
  	},
  
  	/**
  	 * Set row height and compute item geometry from that height.
  	 * Will justify items within the row unless instructed not to.
  	 *
  	 * @method completeLayout
  	 * @param newHeight {Number} Set row height to this value.
  	 * @param widowLayoutStyle {String} How should widows display? Supported: left | justify | center
  	 */
  
  	completeLayout: function (newHeight, widowLayoutStyle) {
  
  		var itemWidthSum = this.left,
  			rowWidthWithoutSpacing = this.width - (this.items.length - 1) * this.spacing,
  			clampedToNativeRatio,
  			clampedHeight,
  			errorWidthPerItem,
  			roundedCumulativeErrors,
  			singleItemGeometry,
  			centerOffset;
  
  		// Justify unless explicitly specified otherwise.
  		if (typeof widowLayoutStyle === 'undefined' || ['justify', 'center', 'left'].indexOf(widowLayoutStyle) < 0) {
  			widowLayoutStyle = 'left';
  		}
  
  		// Clamp row height to edge case minimum/maximum.
  		clampedHeight = Math.max(this.edgeCaseMinRowHeight, Math.min(newHeight, this.edgeCaseMaxRowHeight));
  
  		if (newHeight !== clampedHeight) {
  
  			// If row height was clamped, the resulting row/item aspect ratio will be off,
  			// so force it to fit the width (recalculate aspectRatio to match clamped height).
  			// NOTE: this will result in cropping/padding commensurate to the amount of clamping.
  			this.height = clampedHeight;
  			clampedToNativeRatio = (rowWidthWithoutSpacing / clampedHeight) / (rowWidthWithoutSpacing / newHeight);
  
  		} else {
  
  			// If not clamped, leave ratio at 1.0.
  			this.height = newHeight;
  			clampedToNativeRatio = 1.0;
  
  		}
  
  		// Compute item geometry based on newHeight.
  		this.items.forEach(function (item) {
  
  			item.top = this.top;
  			item.width = item.aspectRatio * this.height * clampedToNativeRatio;
  			item.height = this.height;
  
  			// Left-to-right.
  			// TODO right to left
  			// item.left = this.width - itemWidthSum - item.width;
  			item.left = itemWidthSum;
  
  			// Increment width.
  			itemWidthSum += item.width + this.spacing;
  
  		}, this);
  
  		// If specified, ensure items fill row and distribute error
  		// caused by rounding width and height across all items.
  		if (widowLayoutStyle === 'justify') {
  
  			itemWidthSum -= (this.spacing + this.left);
  
  			errorWidthPerItem = (itemWidthSum - this.width) / this.items.length;
  			roundedCumulativeErrors = this.items.map(function (item, i) {
  				return Math.round((i + 1) * errorWidthPerItem);
  			});
  
  
  			if (this.items.length === 1) {
  
  				// For rows with only one item, adjust item width to fill row.
  				singleItemGeometry = this.items[0];
  				singleItemGeometry.width -= Math.round(errorWidthPerItem);
  
  			} else {
  
  				// For rows with multiple items, adjust item width and shift items to fill the row,
  				// while maintaining equal spacing between items in the row.
  				this.items.forEach(function (item, i) {
  					if (i > 0) {
  						item.left -= roundedCumulativeErrors[i - 1];
  						item.width -= (roundedCumulativeErrors[i] - roundedCumulativeErrors[i - 1]);
  					} else {
  						item.width -= roundedCumulativeErrors[i];
  					}
  				});
  
  			}
  
  		} else if (widowLayoutStyle === 'center') {
  
  			// Center widows
  			centerOffset = (this.width - itemWidthSum) / 2;
  
  			this.items.forEach(function (item) {
  				item.left += centerOffset + this.spacing;
  			}, this);
  
  		}
  
  	},
  
  	/**
  	 * Force completion of row layout with current items.
  	 *
  	 * @method forceComplete
  	 * @param fitToWidth {Boolean} Stretch current items to fill the row width.
  	 *                             This will likely result in padding.
  	 * @param fitToWidth {Number}
  	 */
  
  	forceComplete: function (fitToWidth, rowHeight) {
  
  		// TODO Handle fitting to width
  		// var rowWidthWithoutSpacing = this.width - (this.items.length - 1) * this.spacing,
  		// 	currentAspectRatio = this.items.reduce(function (sum, item) {
  		// 		return sum + item.aspectRatio;
  		// 	}, 0);
  
  		if (typeof rowHeight === 'number') {
  
  			this.completeLayout(rowHeight, this.widowLayoutStyle);
  
  		} else {
  
  			// Complete using target row height.
  			this.completeLayout(this.targetRowHeight, this.widowLayoutStyle);
  		}
  
  	},
  
  	/**
  	 * Return layout data for items within row.
  	 * Note: returns actual list, not a copy.
  	 *
  	 * @method getItems
  	 * @return Layout data for items within row.
  	 */
  
  	getItems: function () {
  		return this.items;
  	}
  
  };
  
  /*!
   * Copyright 2019 SmugMug, Inc.
   * Licensed under the terms of the MIT license. Please see LICENSE file in the project root for terms.
   * @license
   */
  
  /**
   * Create a new, empty row.
   *
   * @method createNewRow
   * @param layoutConfig {Object} The layout configuration
   * @param layoutData {Object} The current state of the layout
   * @return A new, empty row of the type specified by this layout.
   */
  
  function createNewRow(layoutConfig, layoutData) {
  
  	var isBreakoutRow;
  
  	// Work out if this is a full width breakout row
  	if (layoutConfig.fullWidthBreakoutRowCadence !== false) {
  		if (((layoutData._rows.length + 1) % layoutConfig.fullWidthBreakoutRowCadence) === 0) {
  			isBreakoutRow = true;
  		}
  	}
  
  	return new Row({
  		top: layoutData._containerHeight,
  		left: layoutConfig.containerPadding.left,
  		width: layoutConfig.containerWidth - layoutConfig.containerPadding.left - layoutConfig.containerPadding.right,
  		spacing: layoutConfig.boxSpacing.horizontal,
  		targetRowHeight: layoutConfig.targetRowHeight,
  		targetRowHeightTolerance: layoutConfig.targetRowHeightTolerance,
  		edgeCaseMinRowHeight: 0.5 * layoutConfig.targetRowHeight,
  		edgeCaseMaxRowHeight: 2 * layoutConfig.targetRowHeight,
  		rightToLeft: false,
  		isBreakoutRow: isBreakoutRow,
  		widowLayoutStyle: layoutConfig.widowLayoutStyle
  	});
  }
  
  /**
   * Add a completed row to the layout.
   * Note: the row must have already been completed.
   *
   * @method addRow
   * @param layoutConfig {Object} The layout configuration
   * @param layoutData {Object} The current state of the layout
   * @param row {Row} The row to add.
   * @return {Array} Each item added to the row.
   */
  
  function addRow(layoutConfig, layoutData, row) {
  
  	layoutData._rows.push(row);
  	layoutData._layoutItems = layoutData._layoutItems.concat(row.getItems());
  
  	// Increment the container height
  	layoutData._containerHeight += row.height + layoutConfig.boxSpacing.vertical;
  
  	return row.items;
  }
  
  /**
   * Calculate the current layout for all items in the list that require layout.
   * "Layout" means geometry: position within container and size
   *
   * @method computeLayout
   * @param layoutConfig {Object} The layout configuration
   * @param layoutData {Object} The current state of the layout
   * @param itemLayoutData {Array} Array of items to lay out, with data required to lay out each item
   * @return {Object} The newly-calculated layout, containing the new container height, and lists of layout items
   */
  
  function computeLayout(layoutConfig, layoutData, itemLayoutData) {
  
  	var laidOutItems = [],
  		itemAdded,
  		currentRow,
  		nextToLastRowHeight;
  
  	// Apply forced aspect ratio if specified, and set a flag.
  	if (layoutConfig.forceAspectRatio) {
  		itemLayoutData.forEach(function (itemData) {
  			itemData.forcedAspectRatio = true;
  			itemData.aspectRatio = layoutConfig.forceAspectRatio;
  		});
  	}
  
  	// Loop through the items
  	itemLayoutData.some(function (itemData, i) {
  
  		if (isNaN(itemData.aspectRatio)) {
  			throw new Error("Item " + i + " has an invalid aspect ratio");
  		}
  
  		// If not currently building up a row, make a new one.
  		if (!currentRow) {
  			currentRow = createNewRow(layoutConfig, layoutData);
  		}
  
  		// Attempt to add item to the current row.
  		itemAdded = currentRow.addItem(itemData);
  
  		if (currentRow.isLayoutComplete()) {
  
  			// Row is filled; add it and start a new one
  			laidOutItems = laidOutItems.concat(addRow(layoutConfig, layoutData, currentRow));
  
  			if (layoutData._rows.length >= layoutConfig.maxNumRows) {
  				currentRow = null;
  				return true;
  			}
  
  			currentRow = createNewRow(layoutConfig, layoutData);
  
  			// Item was rejected; add it to its own row
  			if (!itemAdded) {
  
  				itemAdded = currentRow.addItem(itemData);
  
  				if (currentRow.isLayoutComplete()) {
  
  					// If the rejected item fills a row on its own, add the row and start another new one
  					laidOutItems = laidOutItems.concat(addRow(layoutConfig, layoutData, currentRow));
  					if (layoutData._rows.length >= layoutConfig.maxNumRows) {
  						currentRow = null;
  						return true;
  					}
  					currentRow = createNewRow(layoutConfig, layoutData);
  				}
  			}
  		}
  
  	});
  
  	// Handle any leftover content (orphans) depending on where they lie
  	// in this layout update, and in the total content set.
  	if (currentRow && currentRow.getItems().length && layoutConfig.showWidows) {
  
  		// Last page of all content or orphan suppression is suppressed; lay out orphans.
  		if (layoutData._rows.length) {
  
  			// Only Match previous row's height if it exists and it isn't a breakout row
  			if (layoutData._rows[layoutData._rows.length - 1].isBreakoutRow) {
  				nextToLastRowHeight = layoutData._rows[layoutData._rows.length - 1].targetRowHeight;
  			} else {
  				nextToLastRowHeight = layoutData._rows[layoutData._rows.length - 1].height;
  			}
  
  			currentRow.forceComplete(false, nextToLastRowHeight);
  
  		} else {
  
  			// ...else use target height if there is no other row height to reference.
  			currentRow.forceComplete(false);
  
  		}
  
  		laidOutItems = laidOutItems.concat(addRow(layoutConfig, layoutData, currentRow));
  		layoutConfig._widowCount = currentRow.getItems().length;
  
  	}
  
  	// We need to clean up the bottom container padding
  	// First remove the height added for box spacing
  	layoutData._containerHeight = layoutData._containerHeight - layoutConfig.boxSpacing.vertical;
  	// Then add our bottom container padding
  	layoutData._containerHeight = layoutData._containerHeight + layoutConfig.containerPadding.bottom;
  
  	return {
  		containerHeight: layoutData._containerHeight,
  		widowCount: layoutConfig._widowCount,
  		boxes: layoutData._layoutItems
  	};
  
  }
  
  /**
   * Takes in a bunch of box data and config. Returns
   * geometry to lay them out in a justified view.
   *
   * @method covertSizesToAspectRatios
   * @param sizes {Array} Array of objects with widths and heights
   * @return {Array} A list of aspect ratios
   */
  
  function justifiedLayout (input, config) {
  	var layoutConfig = {};
  	var layoutData = {};
  
  	// Defaults
  	var defaults = {
  		containerWidth: 1060,
  		containerPadding: 10,
  		boxSpacing: 10,
  		targetRowHeight: 320,
  		targetRowHeightTolerance: 0.25,
  		maxNumRows: Number.POSITIVE_INFINITY,
  		forceAspectRatio: false,
  		showWidows: true,
  		fullWidthBreakoutRowCadence: false,
  		widowLayoutStyle: 'left'
  	};
  
  	var containerPadding = {};
  	var boxSpacing = {};
  
  	config = config || {};
  
  	// Merge defaults and config passed in
  	layoutConfig = Object.assign(defaults, config);
  
  	// Sort out padding and spacing values
  	containerPadding.top = (!isNaN(parseFloat(layoutConfig.containerPadding.top))) ? layoutConfig.containerPadding.top : layoutConfig.containerPadding;
  	containerPadding.right = (!isNaN(parseFloat(layoutConfig.containerPadding.right))) ? layoutConfig.containerPadding.right : layoutConfig.containerPadding;
  	containerPadding.bottom = (!isNaN(parseFloat(layoutConfig.containerPadding.bottom))) ? layoutConfig.containerPadding.bottom : layoutConfig.containerPadding;
  	containerPadding.left = (!isNaN(parseFloat(layoutConfig.containerPadding.left))) ? layoutConfig.containerPadding.left : layoutConfig.containerPadding;
  	boxSpacing.horizontal = (!isNaN(parseFloat(layoutConfig.boxSpacing.horizontal))) ? layoutConfig.boxSpacing.horizontal : layoutConfig.boxSpacing;
  	boxSpacing.vertical = (!isNaN(parseFloat(layoutConfig.boxSpacing.vertical))) ? layoutConfig.boxSpacing.vertical : layoutConfig.boxSpacing;
  
  	layoutConfig.containerPadding = containerPadding;
  	layoutConfig.boxSpacing = boxSpacing;
  
  	// Local
  	layoutData._layoutItems = [];
  	layoutData._awakeItems = [];
  	layoutData._inViewportItems = [];
  	layoutData._leadingOrphans = [];
  	layoutData._trailingOrphans = [];
  	layoutData._containerHeight = layoutConfig.containerPadding.top;
  	layoutData._rows = [];
  	layoutData._orphans = [];
  	layoutConfig._widowCount = 0;
  
  	// Convert widths and heights to aspect ratios if we need to
  	return computeLayout(layoutConfig, layoutData, input.map(function (item) {
  		if (item.width && item.height) {
  			return { aspectRatio: item.width / item.height };
  		} else {
  			return { aspectRatio: item };
  		}
  	}));
  }
  
  //import justifiedImageGrid from "./justified-image-grid";
  const parsePluginData = (node) => {
      let conf = {
          containerWidth: node.width,
          targetRowHeight: 10,
          layout: "JUSTIFIED",
          containerPadding: 10,
          boxSpacing: 10
      };
      if (node.getPluginData("justifiedImageGridConf") != "") {
          let data = JSON.parse(node.getPluginData("justifiedImageGridConf"));
          conf.targetRowHeight = parseFloat(data.targetRowHeight);
          conf.layout = "JUSTIFIED",
              conf.containerPadding = parseFloat(data.containerPadding),
              conf.boxSpacing = parseFloat(data.boxSpacing);
      }
      return conf;
  };
  function justifiedImageGrid(frame) {
      const children = frame.children.slice(0).reverse();
      const ratios = [];
      console.log("justifiedImageGrid");
      children.map((child, index) => {
          if ("x" in child) {
              let ratio = child.width / child.height;
              if (child.getPluginData("justifiedRatio") != "") {
                  ratio = parseFloat(child.getPluginData("justifiedRatio"));
              }
              ratios.push(ratio);
          }
      });
      let conf = parsePluginData(frame);
      const layout = justifiedLayout(ratios, conf);
      children.map((child, index) => {
          if ("x" in child) {
              const { top, left, width, height } = layout.boxes[index];
              child.x = left;
              child.y = top;
              child.resize(width, height);
          }
      });
      frame.resizeWithoutConstraints(frame.width, layout.containerHeight);
  }
  let updateSelection = () => {
      let nodes = [];
      figma.currentPage.selection.map(node => {
          if (node.type === "FRAME" || node.type === "COMPONENT") {
              nodes.push({
                  id: node.id,
                  settings: parsePluginData(node)
              });
          }
      });
      figma.ui.postMessage(nodes);
  };
  // This plugin will open a modal to prompt the user to enter a number, and
  // it will then create that many rectangles on the screen.
  // This file holds the main code for the plugins. It has access to the *document*.
  // You can access browser APIs in the <script> tag inside "ui.html" which has a
  // full browser enviroment (see documentation).
  // This shows the HTML page in "ui.html".
  figma.showUI(__html__, { width: 232, height: 208 });
  updateSelection();
  figma.on("selectionchange", () => {
      updateSelection();
  });
  // Calls to "parent.postMessage" from within the HTML page will trigger this
  // callback. The callback will be passed the "pluginMessage" property of the
  // posted message.
  figma.ui.onmessage = msg => {
      // One way of distinguishing between different types of messages sent from
      // your HTML page is to use an object with a "type" property like this.
      if (msg.type === 'update-layout') {
          msg.nodes.map(node => {
              let frameNode = figma.getNodeById(node.id);
              if (frameNode.type === "FRAME" || frameNode.type === "COMPONENT") {
                  frameNode.setPluginData("justifiedImageGridConf", JSON.stringify(node.settings));
                  justifiedImageGrid(frameNode);
              }
          });
          //	const nodes: SceneNode[] = [];
          //	figma.currentPage.selection = nodes;
          //	figma.viewport.scrollAndZoomIntoView(nodes);
      }
      // Make sure to close the plugin when you're done. Otherwise the plugin will
      // keep running, which shows the cancel button at the bottom of the screen.
      //figma.closePlugin();
  };
  