import assert from "node:assert/strict";
import path from "node:path";

import { _exportLocale } from "@clusterio/host/dist/node/src/export.js";
import { FactorioServer } from "@clusterio/host/dist/node/src/server.js";

import { factorioDir, requiresFactorio } from "./index.js";


describe("Integration of lib/factorio/export", function() {
	describe("exportLocale()", function() {
		requiresFactorio(this);
		it("returns a nested Map with base game locale information", async function() {
			let writePath = path.join("temp", "test", "server");
			let testServer = await FactorioServer.fromOptions(factorioDir, writePath, {});

			let locale = await _exportLocale(testServer, new Map(), new Map(), ["base"], "en");

			assert(locale instanceof Map, "locale is not a map");
			assert.equal(locale.get("entity-name.fish"), "Fish");
			assert.equal(locale.get("entity-name.small-lamp"), "Lamp");
			let empty_keys = 0;
			for (let [key, value] of locale) {
				// key is always a string
				assert.equal(typeof key, "string");

				// Value is always a string, nearly always truthy
				if (!value) {
					empty_keys += 1;
				}
				assert.equal(typeof value, "string");
			}
			assert(empty_keys < 10, `Got unusually high amount (${empty_keys}) of empty keys`);
		});
	});
});