/**
 * Build locale-extra-rest.mjs from English→locale phrase map for keys still English in non-es packs.
 * Also covers new settings/dashboard strings for all locales including es.
 */
import fs from "node:fs";
import path from "node:path";
import { fileURLToPath } from "node:url";
import { EXTRA as EXTRA_ES } from "./locale-extra-es.mjs";

const __dirname = path.dirname(fileURLToPath(import.meta.url));

function parseMessageDict(source) {
	const dict = {};
	const re = /"([^"\\]+)"\s*:\s*((?:"(?:\\.|[^"\\])*")|(?:`(?:\\.|[^`\\])*`))/gs;
	let m;
	while ((m = re.exec(source))) {
		const key = m[1];
		const raw = m[2];
		dict[key] = raw.startsWith("`")
			? raw.slice(1, -1).replace(/\\`/g, "`").replace(/\\\$/g, "$").replace(/\\n/g, "\n")
			: JSON.parse(raw);
	}
	return dict;
}

const en = parseMessageDict(
	fs.readFileSync(path.resolve(__dirname, "../src/lib/i18n/messages/en.ts"), "utf8")
);

/** English source string → { fr, de, it, pt, nl, pl, ja, es? } */
const BY_EN = JSON.parse(fs.readFileSync(path.join(__dirname, "phrase-map.json"), "utf8"));

const codes = ["es", "fr", "de", "it", "pt", "nl", "pl", "ja"];
const EXTRA = Object.fromEntries(codes.map((c) => [c, {}]));

// 1) Seed non-es from Spanish extras via English lookup of the same key
for (const [key, esText] of Object.entries(EXTRA_ES.es ?? {})) {
	const enText = en[key];
	if (!enText) continue;
	EXTRA.es[key] = esText;
	const mapped = BY_EN[enText];
	if (!mapped) continue;
	for (const code of ["fr", "de", "it", "pt", "nl", "pl", "ja"]) {
		if (mapped[code]) EXTRA[code][key] = mapped[code];
	}
}

// 2) Apply phrase map to every en key (fills new settings/dashboard too)
for (const [key, enText] of Object.entries(en)) {
	const mapped = BY_EN[enText];
	if (!mapped) continue;
	for (const code of codes) {
		if (mapped[code]) EXTRA[code][key] = mapped[code];
	}
}

const out = `/** Auto-built by build-phrase-extra.mjs — do not hand-edit; update phrase-map.json. */\nexport const EXTRA = ${JSON.stringify(EXTRA, null, 2)};\n`;
fs.writeFileSync(path.join(__dirname, "locale-extra-rest.mjs"), out, "utf8");

for (const code of codes) {
	console.log(code, Object.keys(EXTRA[code]).length);
}