"use strict";

const assert = require("assert");

const pickBestOption = require("./pick-best-option");
const mapManufacturer = require("./map-manufacturer");
const normalizeString = require("./normalize-string");

module.exports = function createDatasheet(api, data) {
	let { createItem, mergeItem } = api;

	let productID = normalizeString(data.productID);
	let manufacturer = normalizeString(data.manufacturer);
	let model = normalizeString(data.name);
	let description = normalizeString(data.description);
	let url = normalizeString(data.url);
	let source = data.source;
	let priority = data.priority;

	assert(manufacturer != null);
	assert(model != null);

	if (url != null) {
		let mappedManufacturer = mapManufacturer(manufacturer);
		
		let mappedID = `datasheet:${mappedManufacturer}:${model}`;
		let unmappedID = `datasheet:${manufacturer}:${model}`;

		createItem({
			id: mappedID,
			update: (data) => pickBestOption(data, {
				priority: priority,
				source: source,
				manufacturer: mappedManufacturer,
				productID: productID,
				name: model,
				description: description,
				url: url
			}) 
		});

		if (mappedID !== unmappedID) {
			// NOTE: This is to get rid of items which were created before a mapping for that manufacturer existed; it essentially removes and redirects the old name into the new, normalized name.
			mergeItem({
				from: unmappedID,
				into: mappedID,
				merge: (into, from) => pickBestOption(from, into)
			});
		}
	}
};