use std::net::Ipv4Addr;
use std::str::FromStr;
use rocket::{get, State};
use serde::Serialize;
use sqlx::types::ipnetwork::IpNetwork::V4;
use crate::account::account::Auth;
use crate::nnid::oauth::generate_token::create_token;
use crate::nnid::oauth::generate_token::token_type::NEX_TOKEN;
use crate::Pool;
use crate::xml::Xml;

#[derive(Serialize)]
#[serde(rename = "nex_token")]
struct NexToken{
    host: Ipv4Addr,
    nex_password: String,
    pid: i32,
    port: u16,
    token: String
}

#[get("/v1/api/provider/nex_token/@me?<game_server_id>")]
pub async fn get_nex_token(pool: &State<Pool>, auth: Auth<true>, game_server_id: String) -> Option<Xml<NexToken>>{
    // just gonna put this here as a side note for the future:
    // we could also be using key derivation to derive the nex token as if it were a key
    // that way we could reduce the data the database needs to store and also reduce the transfer
    // cost of sending an entire row from the user table (which is required for the auth code unless
    // we change the way we read in data to essentially having the user object be a proxy for its
    // table row)
    let pool = pool.inner();

    let server = sqlx::query!(
        "select * from nex_servers where game_server_id = $1",
        game_server_id
    )   .fetch_one(pool).await.ok()?;

    let token = create_token(pool, auth.pid, NEX_TOKEN, None).await;

    let V4(host) = server.address else {
        return None
    };

    let host = host.ip();

    Some(
        Xml(
            NexToken{
                host,
                port: server.port as u16,
                nex_password: auth.nex_password.clone(),
                pid: auth.pid,
                token
            }
        )
    )
}