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fluxer_api/src/words/words.ts

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+/*
+ * Copyright (C) 2026 Fluxer Contributors
+ *
+ * This file is part of Fluxer.
+ *
+ * Fluxer is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Fluxer is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with Fluxer. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+import * as fs from 'node:fs';
+import * as path from 'node:path';
+import {fileURLToPath} from 'node:url';
+
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = path.dirname(__filename);
+
+let tails: Array<string> | undefined;
+let scales: Array<string> | undefined;
+
+function getTails(): Array<string> {
+	if (!tails) {
+		initWords();
+	}
+	return tails!;
+}
+
+function getScales(): Array<string> {
+	if (!scales) {
+		initWords();
+	}
+	return scales!;
+}
+
+export function generateConnectionId(): string {
+	const scaleWords = getScales();
+	const tailWords = getTails();
+
+	const scale = scaleWords[Math.floor(Math.random() * scaleWords.length)];
+	const tail = tailWords[Math.floor(Math.random() * tailWords.length)];
+
+	return `${tail}-${scale}`;
+}
+
+function initWords(): void {
+	const wordsDir = path.join(__dirname);
+	tails = parseWordsFile(path.join(wordsDir, 'tails.txt'));
+	scales = parseWordsFile(path.join(wordsDir, 'scales.txt'));
+}
+
+function parseWordsFile(filePath: string): Array<string> {
+	const content = fs.readFileSync(filePath, 'utf-8');
+	const lines = content.split('\n');
+	const words: Array<string> = [];
+
+	for (const line of lines) {
+		const trimmed = line.trim();
+		if (trimmed && !trimmed.startsWith('#')) {
+			words.push(trimmed);
+		}
+	}
+
+	return words;
+}