use crate::fat_error::FatResult;
use crate::log::LOG_ACCESS;
use edge_http::io::server::Connection;
use edge_nal::io::{Read, Write};

pub(crate) async fn get_log<T, const N: usize>(
    conn: &mut Connection<'_, T, N>,
) -> FatResult<Option<u32>>
where
    T: Read + Write,
{
    let log = LOG_ACCESS.lock().await.get();
    conn.initiate_response(
        200,
        Some("OK"),
        &[
            ("Content-Type", "text/javascript"),
            ("Access-Control-Allow-Origin", "*"),
            ("Access-Control-Allow-Headers", "*"),
            ("Access-Control-Allow-Methods", "*"),
        ],
    )
    .await?;
    conn.write_all("[".as_bytes()).await?;
    let mut append = false;
    for entry in log {
        if append {
            conn.write_all(",".as_bytes()).await?;
        }
        append = true;
        let json = serde_json::to_string(&entry)?;
        conn.write_all(json.as_bytes()).await?;
    }
    conn.write_all("]".as_bytes()).await?;
    Ok(Some(200))
}