use crate::database::{Artist, ArtistPost, ArtistPut, Delete};
use crate::AppState;
use actix_web::{delete, get, post, put, web, HttpResponse};
use serde::Deserialize;

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

#[get("/artist")]
pub async fn get_artist(
    app_state: web::Data<AppState>,
    get_args: web::Query<ArtistQueryOptions>,
) -> HttpResponse {
    let default = 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<Artist>> =
            app_state.database.select_artist_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<Artist>, sqlx::Error> = match true {
        _ if get_args.name.is_some() => {
            let name: &str = &get_args.name.as_ref().unwrap_or(&default);
            app_state.database.select_artists_by_name(name).await
        }
        _ => app_state.database.select_artists().await,
    };

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

#[post("/artist")]
pub async fn post_artist(
    app_state: web::Data<AppState>,
    post_data: web::Json<ArtistPost>,
) -> HttpResponse {
    match app_state
        .database
        .create_artist(post_data.into_inner())
        .await
    {
        Ok(_) => HttpResponse::Ok().body("Post succeeded\n"),
        Err(e) => HttpResponse::Ok().body(format!("{}", e)),
    }
}

#[put("/artist")]
pub async fn put_artist(
    app_state: web::Data<AppState>,
    post_data: web::Json<ArtistPut>,
) -> HttpResponse {
    match app_state.database.edit_artist(post_data.into_inner()).await {
        Ok(_) => HttpResponse::Ok().body("Put succeeded\n"),
        Err(e) => HttpResponse::Ok().body(format!("{}", e)),
    }
}

#[delete("/artist")]
pub async fn delete_artist(
    app_state: web::Data<AppState>,
    post_data: web::Json<Delete>,
) -> HttpResponse {
    let id: i32 = post_data
        .into_inner()
        .id
        .unwrap_or(String::default())
        .parse::<i32>()
        .unwrap_or(-1);

    if id == -1 {
        return HttpResponse::Ok().body("Invalid id value, code not executed\n");
    }

    match app_state.database.delete_artist(id).await {
        Ok(_) => HttpResponse::Ok().body("Deletion succeeded\n\n"),
        Err(e) => HttpResponse::Ok().body(format!("There was an issue in the request:\n{}", e)),
    }
}