//! `Session::refresh_paths`: files rewritten behind the session's back (git restore, other
//! tools) are re-read; deleted ones are forgotten; dirty buffers keep their text.

mod common;

use common::temp_vault;
use notescraft_engine::Session;

#[test]
fn rewritten_and_deleted_files_are_reconciled() {
    let vault = temp_vault("refresh");
    assert!(std::fs::write(vault.path().join("a.md"), "# A\n[[b]]\n").is_ok());
    assert!(std::fs::write(vault.path().join("b.md"), "# B\n").is_ok());
    let Ok(mut session) = Session::open(vault.path()) else { return };
    assert!(session.index().note("a.md").is_some());
    assert!(std::fs::write(vault.path().join("a.md"), "# A2\nnew words here\n").is_ok());
    assert!(std::fs::remove_file(vault.path().join("b.md")).is_ok());
    assert!(session.refresh_paths(&["a.md".to_owned(), "b.md".to_owned()]).is_ok());
    assert_eq!(session.search("words", 10).map(|hits| hits.len()).ok(), Some(1));
    assert!(session.index().note("b.md").is_none(), "removed notes leave the index");
}

#[test]
fn dirty_buffers_keep_their_text_and_record_a_conflict() {
    let vault = temp_vault("refresh-dirty");
    assert!(std::fs::write(vault.path().join("a.md"), "# A\n").is_ok());
    let Ok(mut session) = Session::open(vault.path()) else { return };
    assert!(session.open_buffer("a.md").is_ok());
    assert!(session.buffer_mut("a.md").is_ok_and(|b| b.edit(0..0, "unsaved ").is_ok()));
    assert!(std::fs::write(vault.path().join("a.md"), "disk change\n").is_ok());
    assert!(session.refresh_paths(&["a.md".to_owned()]).is_ok());
    assert_eq!(session.buffer("a.md").map(notescraft_engine::Buffer::text), Some("unsaved # A\n"));
    assert!(session.conflicts().iter().any(|p| p == "a.md"));
}

#[test]
fn hostile_paths_are_errors_not_panics() {
    let vault = temp_vault("refresh-hostile");
    let Ok(mut session) = Session::open(vault.path()) else { return };
    for path in ["../x.md", "/etc/passwd", "", ".obsidian/x", "a\0b"] {
        let _ = session.refresh_paths(&[path.to_owned()]);
    }
}