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 song(
    app_state: web::Data<AppState>,
    get_args: web::Query<SongQueryOptions>,
) -> HttpResponse {
    let search_attempt: sqlx::Result<Vec<Song>> = match true {
        _ if check_if_exists(&get_args.id) => {
            app_state
                .database
                .select_song_by_id(&get_args.id.clone().unwrap())
                .await
        }
        _ if check_if_exists(&get_args.name) => {
            app_state
                .database
                .select_songs_by_name(&get_args.name.clone().unwrap())
                .await
        }
        _ if check_if_exists(&get_args.album) => {
            app_state
                .database
                .select_songs_by_album(&get_args.album.clone().unwrap())
                .await
        }
        _ if check_if_exists(&get_args.artist) => {
            app_state
                .database
                .select_songs_by_artist(&get_args.artist.clone().unwrap())
                .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)),
    }
}

fn check_if_exists(value: &Option<String>) -> bool {
    match value {
        Some(_) => true,
        None => false,
    }
}