use std::env;

use deepgram::{
    common::{
        audio_source::AudioSource,
        options::{Language, Options},
    },
    Deepgram, DeepgramError,
};
use tokio::fs::File;

static PATH_TO_FILE: &str = "examples/audio/bueller.wav";

#[tokio::main]
async fn main() -> Result<(), DeepgramError> {
    let deepgram_api_key =
        env::var("DEEPGRAM_API_KEY").expect("DEEPGRAM_API_KEY environmental variable");

    let dg_client = Deepgram::new(&deepgram_api_key)?;

    let file = File::open(PATH_TO_FILE).await.unwrap();

    let source = AudioSource::from_buffer_with_mime_type(file, "audio/wav");

    let options = Options::builder()
        .punctuate(true)
        .language(Language::en_US)
        .build();

    let response = dg_client
        .transcription()
        .prerecorded(source, &options)
        .await?;

    let transcript = &response.results.channels[0].alternatives[0].transcript;
    println!("{}", transcript);

    Ok(())
}