use crate::database::Song;
use crate::AppState;
use actix_web::{get, web, HttpResponse};
use serde::Deserialize;

#[derive(Deserialize)]
struct SongQueryOptions {
    id: Option<String>,
    name: Option<String>,
    artist: Option<String>,
    album: Option<String>,
}

#[get("/song")]
pub async fn get_song(
    app_state: web::Data<AppState>,
    get_args: web::Query<SongQueryOptions>,
) -> HttpResponse {
    let default: String = String::from("");

    if get_args.id.is_some() {
        let id: &str = get_args.id.as_ref().unwrap_or(&default);
        let search_attempt: sqlx::Result<Option<Song>> =
            app_state.database.select_song_by_id(id).await;

        return match search_attempt {
            Ok(song_list) => HttpResponse::Ok().json(song_list),
            Err(e) => HttpResponse::Ok().body(format!("{}", e)),
        };
    }

    let search_attempt: sqlx::Result<Vec<Song>> = match true {
        _ if get_args.name.is_some() => {
            let name: &str = get_args.name.as_ref().unwrap_or(&default);
            app_state.database.select_songs_by_name(name).await
        }
        _ if get_args.album.is_some() => {
            let album: &str = get_args.album.as_ref().unwrap_or(&default);
            app_state.database.select_songs_by_album(album).await
        }
        _ if get_args.artist.is_some() => {
            let artist: &str = get_args.artist.as_ref().unwrap_or(&default);
            app_state.database.select_songs_by_artist(artist).await
        }
        _ => app_state.database.select_songs().await,
    };

    match search_attempt {
        Ok(song_list) => HttpResponse::Ok().json(song_list),
        Err(e) => HttpResponse::Ok().body(format!("{}", e)),
    }
}

// #[post("/song")]
// pub async fn post_song(
//     app_state: web::Data<AppState>,
//     get_args: web::Query<SongQueryOptions>,
// ) -> HttpResponse {
//     HttpResponse::Ok().body("Post carried successfully")
// }