use cm_files::{BlobError, BlobStore, LocalBlobStore};

fn store() -> (LocalBlobStore, std::path::PathBuf) {
    let root = std::env::temp_dir().join(format!("tc-blobs-{}", uuid::Uuid::now_v7()));
    (LocalBlobStore::new(root.clone()), root)
}

#[tokio::test]
async fn put_get_delete_round_trip() {
    let (store, _root) = store();
    store
        .put("ws1/documents/agent1/report.md", b"# Q2 Report")
        .await
        .unwrap();
    let bytes = store.get("ws1/documents/agent1/report.md").await.unwrap();
    assert_eq!(bytes, b"# Q2 Report");

    store
        .delete("ws1/documents/agent1/report.md")
        .await
        .unwrap();
    let gone = store.get("ws1/documents/agent1/report.md").await;
    assert!(matches!(gone, Err(BlobError::NotFound)));
}

#[tokio::test]
async fn nested_keys_create_directories() {
    let (store, _root) = store();
    store.put("a/b/c/d/deep.txt", b"x").await.unwrap();
    assert_eq!(store.get("a/b/c/d/deep.txt").await.unwrap(), b"x");
}

#[tokio::test]
async fn overwrite_replaces_content() {
    let (store, _root) = store();
    store.put("k", b"one").await.unwrap();
    store.put("k", b"two").await.unwrap();
    assert_eq!(store.get("k").await.unwrap(), b"two");
}

#[tokio::test]
async fn path_traversal_is_rejected() {
    let (store, root) = store();
    let escape = store.put("../outside.txt", b"nope").await;
    assert!(matches!(escape, Err(BlobError::InvalidKey(_))));
    let sneaky = store.put("ok/../../outside.txt", b"nope").await;
    assert!(matches!(sneaky, Err(BlobError::InvalidKey(_))));
    let absolute = store.put("/etc/passwd", b"nope").await;
    assert!(matches!(absolute, Err(BlobError::InvalidKey(_))));
    assert!(!root.parent().unwrap().join("outside.txt").exists());
}

#[tokio::test]
async fn deleting_missing_blobs_is_not_found() {
    let (store, _root) = store();
    assert!(matches!(
        store.delete("never-existed").await,
        Err(BlobError::NotFound)
    ));
}