import { readFile, stat } from "node:fs/promises";
import { fileURLToPath } from "node:url";
import { decodeWav } from "@suaveplan/audio-decode-wav";
import { describe, expect, it } from "@suaveplan/testing/runner";
import { CHANNELS, SAMPLE_RATE } from "../../src/manifest/manifest.js";

const WAV_URL = new URL(
    "../../files/outdoor-swimming-pool.wav",
    import.meta.url
);

describe("integration: file-presence", () => {
    it("outdoor-swimming-pool.wav exists on disk and decodes", {
        timeout: 30000,
    }, async () => {
        const path = fileURLToPath(WAV_URL);
        const meta = await stat(path);
        expect(meta.isFile()).toBe(true);
        expect(meta.size).toBeGreaterThan(0);

        const bytes = await readFile(path);
        const decoded = await decodeWav(new Uint8Array(bytes));
        expect(decoded.channels).toBe(CHANNELS);
        expect(decoded.sampleRate).toBe(SAMPLE_RATE);
        expect(decoded.channelData.length).toBe(CHANNELS);
        expect(decoded.bytesDecoded).toBe(meta.size);
    });
});