//! End-to-end test of the real whisper.cpp engine: a recorded speech fixture is
//! decoded by ffmpeg and transcribed. Ignored by default because it needs a
//! downloaded model (`scripts/fetch-model.sh`) and ffmpeg on PATH; run with:
//!   cargo test -p transcription-svc --test whisper -- --ignored

use std::path::PathBuf;

use transcription_svc::{whisper::WhisperTranscriber, Transcriber};

fn manifest(rel: &str) -> PathBuf {
    PathBuf::from(env!("CARGO_MANIFEST_DIR")).join(rel)
}

#[tokio::test]
#[ignore = "needs a downloaded model and ffmpeg"]
async fn transcribes_real_speech() {
    let model = std::env::var("WHISPER_MODEL")
        .map(PathBuf::from)
        .unwrap_or_else(|_| manifest("models/ggml-tiny.en.bin"));
    assert!(
        model.exists(),
        "model not found at {model:?} — run scripts/fetch-model.sh"
    );

    let transcriber = WhisperTranscriber::new(model.to_str().unwrap()).expect("load model");
    let audio = std::fs::read(manifest("tests/fixtures/speech.wav")).expect("read fixture");

    let text = transcriber
        .transcribe(&audio, "audio/wav")
        .await
        .expect("transcribe")
        .to_lowercase();

    assert!(
        text.contains("fox"),
        "expected 'fox' in transcript, got: {text:?}"
    );
}