use dirigent_fermata::core::project::find_project_root;
use std::fs;
use tempfile::TempDir;

#[test]
fn finds_botignore_toml_first() {
    let tmp = TempDir::new().unwrap();
    let root = tmp.path();
    fs::create_dir_all(root.join("sub/deep")).unwrap();
    fs::write(root.join("botignore.toml"), "").unwrap();
    fs::write(root.join(".botignore"), "").unwrap();
    fs::create_dir_all(root.join(".git")).unwrap();

    let target = root.join("sub/deep/file.rs");
    fs::write(&target, "").unwrap();

    let found = find_project_root(&target).unwrap();
    assert_eq!(found, root);
}

#[test]
fn falls_back_to_botignore() {
    let tmp = TempDir::new().unwrap();
    let root = tmp.path();
    fs::create_dir_all(root.join("sub")).unwrap();
    fs::write(root.join(".botignore"), "").unwrap();

    let target = root.join("sub/file.rs");
    fs::write(&target, "").unwrap();

    let found = find_project_root(&target).unwrap();
    assert_eq!(found, root);
}

#[test]
fn falls_back_to_git() {
    let tmp = TempDir::new().unwrap();
    let root = tmp.path();
    fs::create_dir_all(root.join("sub")).unwrap();
    fs::create_dir_all(root.join(".git")).unwrap();

    let target = root.join("sub/file.rs");
    fs::write(&target, "").unwrap();

    let found = find_project_root(&target).unwrap();
    assert_eq!(found, root);
}

#[test]
fn returns_none_when_no_marker() {
    let tmp = TempDir::new().unwrap();
    let target = tmp.path().join("file.rs");
    std::fs::write(&target, "").unwrap();
    assert!(find_project_root(&target).is_none());
}

#[test]
fn walks_up_from_file_path_not_cwd() {
    let tmp = TempDir::new().unwrap();
    let root = tmp.path();
    fs::create_dir_all(root.join("a/b/c")).unwrap();
    fs::write(root.join("a/.botignore"), "").unwrap();

    let target = root.join("a/b/c/file.rs");
    fs::write(&target, "").unwrap();

    let found = find_project_root(&target).unwrap();
    assert_eq!(found, root.join("a"));
}