use searchi_core::{SearchIndex, SourceLocation};
use std::fs;

#[test]
fn document_source_is_bounded_current_and_index_scoped() {
    let directory = tempfile::tempdir().unwrap();
    let files = directory.path().join("files");
    fs::create_dir(&files).unwrap();
    let file = files.join("notes.txt");
    fs::write(&file, "héllo supplier notice").unwrap();
    let mut index = SearchIndex::open(directory.path().join("index.sqlite")).unwrap();
    index.index_folder(&files).unwrap();
    let path = fs::canonicalize(&file)
        .unwrap()
        .to_string_lossy()
        .into_owned();
    let original_version = index.file_signature(&path).unwrap().unwrap();
    let source = SourceLocation {
        kind: "line".into(),
        number: 1,
    };
    let passage = index.source_passage(&path, &source, 5).unwrap().unwrap();
    assert_eq!(passage.text, "héllo");
    assert!(index.source_passage(&path, &source, 8193).is_err());
    assert!(index
        .source_passage(
            &path,
            &SourceLocation {
                kind: "timestamp_ms".into(),
                number: 0
            },
            100
        )
        .is_err());
    assert!(index
        .source_passage(
            &path,
            &SourceLocation {
                kind: "line".into(),
                number: 99
            },
            100
        )
        .unwrap()
        .is_none());
    let other = files.join("unindexed.txt");
    fs::write(&other, "private unrelated content").unwrap();
    assert!(index
        .file_signature(&other.to_string_lossy())
        .unwrap()
        .is_none());
    assert!(index
        .source_passage(&other.to_string_lossy(), &source, 100)
        .unwrap()
        .is_none());
    fs::write(&file, "changed content with different size").unwrap();
    assert!(index.source_passage(&path, &source, 100).unwrap().is_none());
    index.index_folder(&files).unwrap();
    assert_ne!(
        index.file_signature(&path).unwrap().unwrap(),
        original_version
    );
    assert!(index.source_passage(&path, &source, 100).unwrap().is_some());
    let old_time = fs::metadata(&file).unwrap().modified().unwrap();
    let same_size = "x".repeat(fs::metadata(&file).unwrap().len() as usize);
    fs::write(&file, same_size).unwrap();
    fs::File::options()
        .write(true)
        .open(&file)
        .unwrap()
        .set_modified(old_time + std::time::Duration::from_secs(2))
        .unwrap();
    assert!(index.source_passage(&path, &source, 100).unwrap().is_none());
    fs::remove_file(&file).unwrap();
    assert!(index.source_passage(&path, &source, 100).unwrap().is_none());
}