use axum::extract::{Multipart, State};
use sqlx::SqlitePool;
use askama_axum::{IntoResponse, Response};
use anyhow::anyhow;
use tracing::info;
use crate::error::AppError;
use crate::ingest::catalog::ingest_catalog_bytes;
use crate::session::SessionUser;

pub async fn catalog_import(
    State(db): State<SqlitePool>,
    user: SessionUser,
    mut multipart: Multipart,
) -> Result<Response, AppError> {
    let mut filename = "".to_owned();
    while let Some(field) = multipart.next_field().await? {
        filename = field.file_name().ok_or(anyhow!("field missing filename"))?.to_string();
        
        let name = field.name().ok_or(anyhow!("field missing name"))?.to_string();
        let content_type = field.content_type().ok_or(anyhow!("field missing content type"))?.to_string();
        let data = field.bytes().await?;
        
        info!("Name: {}, file: {}, content: {}, data: {} bytes", name, filename, content_type, data.len());
        
        ingest_catalog_bytes(data, db.clone(), user.id).await?;
    }
    Ok(format!("File {} uploaded successfully", filename).into_response())
}