"use strict";

const test = require("node:test");
const assert = require("node:assert/strict");
const { createTTSAdapter } = require("../src/integrations/tts-client");

test("synthesize returns buffer from openai response", async () => {
  const adapter = createTTSAdapter({
    client: {
      audio: {
        speech: {
          async create() {
            return {
              async arrayBuffer() {
                return Uint8Array.from([1, 2, 3]).buffer;
              },
            };
          },
        },
      },
    },
  });

  const bytes = await adapter.synthesize("hello");
  assert.equal(Buffer.isBuffer(bytes), true);
  assert.equal(bytes.length, 3);
});

test("throws when tts adapter is not configured", async () => {
  const adapter = createTTSAdapter({});
  await assert.rejects(() => adapter.synthesize("hello"), /tts_not_configured/);
});