"use strict";

const createDatasheet = require("../../shared/create-datasheet");

function isEnglish(document) {
	return /\sen\s*$/.test(document.description);
}

module.exports = function tmeNormalizeProduct() {
	return async function (api) {
		let { data } = api;

		if (data.itemData.documents.length > 0) {
			if (typeof data.itemData.documents[0] === "string") {
				// Temporary workaround for the dependsOn not taking into account task versions, and some old records existing with a wrong documents structure
				return;
			}

			let manufacturer = data.itemData.manufacturer;
			let modelName = data.itemData.model;
			let description = data.itemData.description;
			let productID = data.itemData.productID;

			let firstEnglish = data.itemData.documents.find((document) => isEnglish(document));

			let bestDocument = (firstEnglish != null)
				? firstEnglish
				: data.itemData.documents[0];

			let bestDocumentIsEnglish = isEnglish(bestDocument);

			createDatasheet(api, {
				priority: (bestDocumentIsEnglish)
					? 0.6
					: 0.5,
				source: "tme",
				manufacturer: manufacturer,
				productID: productID,
				name: modelName,
				description: description,
				url: bestDocument.url,
				// NOTE: Most (but not all!) manufacturers on TME are, incorrectly, in ALL-CAPS. This 'fixes' those cases through best-effort capitalization. Many (but less!) will still be wrong and need to be fixed later.
				fixCasing: true
			});
		}
	};
};