'use strict';

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

/*
 *+------------------------------------------------------------------------+
 *| Licensed Materials - Property of IBM
 *| IBM Cognos Products: BI Dashboard
 *| (C) Copyright IBM Corp. 2018
 *|
 *| US Government Users Restricted Rights - Use, duplication or disclosure
 *| restricted by GSA ADP Schedule Contract with IBM Corp.
 *+------------------------------------------------------------------------+
 */

define(['underscore'], function (_) {
	var ConditionalPaletteUpgradeHelper = function () {
		function ConditionalPaletteUpgradeHelper() {
			_classCallCheck(this, ConditionalPaletteUpgradeHelper);
		}

		/**
   * Perform upgrade
   *
   * @param {object} spec - spec to perform upgrade on
   *
   * @return {Promise} Promise to be resolved when upgrade performed
   */
		ConditionalPaletteUpgradeHelper.prototype.upgrade = function upgrade(spec, dashboardApi) {
			var _this = this;

			return dashboardApi.getGlassSvc('.DashboardTheme').then(function (dashboardThemeService) {
				return dashboardThemeService.getThemeDefinition(spec.theme).then(function (themeDefinition) {
					// Get all the conditional palettes for the theme.
					var conditionalPalettes = themeDefinition.getPalettes('ConditionalPalette');

					for (var widgetId in spec.widgets) {
						var widget = spec.widgets[widgetId];
						_this._updateWidgetConditionalPalette(widget, conditionalPalettes, dashboardApi);
					}

					return spec;
				});
			});
		};

		/**
   * If the widget has a conditional palette, get the palette name by comparing the hex values that are saved in the spec
   */


		ConditionalPaletteUpgradeHelper.prototype._updateWidgetConditionalPalette = function _updateWidgetConditionalPalette(widget, conditionalPalettes, dashboardApi) {
			if (!widget || !widget.conditions || !widget.conditions.palette) {
				return;
			}

			var widgetPaletteColors = widget.conditions.palette.colors;
			// If we already have an Endor spec
			if (!widgetPaletteColors || widgetPaletteColors.length < 1 || !widgetPaletteColors[0].bgcolor) {
				return;
			}

			var paletteColors = widgetPaletteColors.map(function (_ref) {
				var bgcolor = _ref.bgcolor;
				return bgcolor;
			} //pluck bgcolor
			).filter(function (color) {
				return color && color.length;
			} //filter out invalid colours
			).map(function (color) {
				return color.toUpperCase();
			} //to allow case-insensitive search
			);

			var isWidgetPaletteAPattern = widgetPaletteColors[0].pattern ? true : false;
			var paletteId = null;
			for (var _iterator = conditionalPalettes, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) {
				var _ref2;

				if (_isArray) {
					if (_i >= _iterator.length) break;
					_ref2 = _iterator[_i++];
				} else {
					_i = _iterator.next();
					if (_i.done) break;
					_ref2 = _i.value;
				}

				var conditionalPalette = _ref2;

				if (isWidgetPaletteAPattern) {
					if (conditionalPalette.fills[0].pattern) {
						paletteId = conditionalPalette.id;
						break;
					}
				} else {
					var foundAllColors = true;

					var conditionalPaletteColours = conditionalPalette.fills.filter(function (fill) {
						return _.isString(fill);
					} //we only attempt to match against strings
					).map(function (fill) {
						return fill.toUpperCase();
					} //to allow case-insensitive search
					);

					// Since the user could of removed any number of colors from the palette we can't simply do a direct match.
					// Loops through all the colors from the widget spec and see if they're all found in the palette.  If they
					// are concider it a match
					for (var _iterator2 = paletteColors, _isArray2 = Array.isArray(_iterator2), _i2 = 0, _iterator2 = _isArray2 ? _iterator2 : _iterator2[Symbol.iterator]();;) {
						var _ref3;

						if (_isArray2) {
							if (_i2 >= _iterator2.length) break;
							_ref3 = _iterator2[_i2++];
						} else {
							_i2 = _iterator2.next();
							if (_i2.done) break;
							_ref3 = _i2.value;
						}

						var color = _ref3;

						if (conditionalPaletteColours.indexOf(color) === -1) {
							foundAllColors = false;
							break;
						}
					}

					if (foundAllColors) {
						paletteId = conditionalPalette.id;
						break;
					}
				}
			}

			// Should never happen, we should always find a match.  But log it as an error if we don't
			if (!paletteId) {
				dashboardApi.getGlassCoreSvc('.Logger').error('Could not find a match for the conditional palette', widget);
			}

			// Make sure we have a properties array
			if (!widget.properties) {
				widget.properties = [];
			}

			widget.properties.push({ id: 'condColorPalette', value: paletteId });
		};

		return ConditionalPaletteUpgradeHelper;
	}();

	return ConditionalPaletteUpgradeHelper;
});
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