use os_path::OsPath;
// use serde::{Deserialize, Serialize};
// use serde_json;

#[test]
fn test_impossible_path() {
    assert_eq!(
        OsPath::from("/\\///\\foo///bar\\\\baz.txt"),
        OsPath::from("/foo/bar/baz.txt")
    )
}

#[test]
fn test_absolute_path_resolution() {
    #[cfg(unix)]
    {
        assert!(OsPath::from("/foo").is_absolute());
        assert!(OsPath::from("/foo/").is_absolute());
        assert!(!OsPath::from("foo/").is_absolute());
        assert!(!OsPath::from("foo/bar/").is_absolute());
    }
    #[cfg(windows)]
    {
        assert!(OsPath::from("C:\\foo").is_absolute());
        assert!(OsPath::from("C:\\foo\\").is_absolute());
        assert!(!OsPath::from("foo\\").is_absolute());
        assert!(!OsPath::from("foo\\bar\\").is_absolute());
        assert!(!OsPath::from("\\foo\\bar\\").is_absolute());
    }
}

#[test]
fn test_directory_resolution() {
    #[cfg(unix)]
    {
        assert!(OsPath::from("/foo/").is_dir());
        assert!(OsPath::from("/foo").is_file());
        assert!(OsPath::from("/foo/bar.txt").is_file());
    }
    #[cfg(windows)]
    {
        assert!(OsPath::from("C:\\foo\\").is_dir());
        assert!(OsPath::from("C:\\foo").is_file());
        assert!(OsPath::from("C:\\foo\\bar.txt").is_file());
    }
}

#[test]
fn test_traversal_resolution() {
    #[cfg(unix)]
    {
        let mut path = OsPath::from("/foo/bar/baz/../../zip.txt");
        path.resolve();

        assert_eq!(path, OsPath::from("/foo/zip.txt"));
    }
}

#[test]
fn test_directory_traversal() {
    #[cfg(unix)]
    {
        assert_eq!(
            OsPath::from("/foo1/foo2/foo3/bar.txt").join("../baz/zip.txt"),
            OsPath::from("/foo1/foo2/baz/zip.txt")
        );

        assert_eq!(
            OsPath::from("/foo1/foo2/foo3/bar.txt").join("../../baz/zip.txt"),
            OsPath::from("/foo1/baz/zip.txt")
        );

        assert_eq!(
            OsPath::from("/foo1/foo2/foo3/").join("../zip.txt"),
            OsPath::from("/foo1/foo2/zip.txt")
        );
    }

    #[cfg(windows)]
    {
        assert_eq!(
            OsPath::from("C:\\foo1\\foo2\\foo3\\bar.txt").join("..\\..\\baz\\zip.txt"),
            OsPath::from("C:\\foo1\\baz\\zip.txt")
        );

        assert_eq!(
            OsPath::from("C:\\foo1\\foo2\\foo3\\bar.txt").join("..\\..\\..\\baz\\zip.txt"),
            OsPath::from("C:\\baz\\zip.txt")
        );

        assert_eq!(
            OsPath::from("C:\\foo1\\foo2\\foo3\\").join("..\\zip.txt"),
            OsPath::from("C:\\foo1\\foo2\\zip.txt")
        );
    }
}

#[test]
fn test_false_root_protection() {
    #[cfg(unix)]
    {
        assert_eq!(
            OsPath::from("/test/path/").join("/more/path/foo.txt"),
            OsPath::from("/test/path/more/path/foo.txt")
        );
    }

    #[cfg(windows)]
    {
        assert_eq!(
            OsPath::from("C:\\test\\path\\").join("\\more\\path\\foo.txt"),
            OsPath::from("C:\\test\\path\\more\\path\\foo.txt")
        );
    }
}

#[test]
fn test_name() {
    #[cfg(unix)]
    {
        let path = OsPath::from("/foo/bar/baz.txt");
        assert_eq!(path.name(), Some(&"baz.txt".to_string()));

        let path = OsPath::from("/foo/bar/");
        assert_eq!(path.name(), Some(&"bar".to_string()))
    }

    #[cfg(windows)]
    {
        let path = OsPath::from("C:\\foo\\bar\\baz.txt");
        assert_eq!(path.name(), Some(&"baz.txt".to_string()));

        let path = OsPath::from("C:\\foo\\bar\\");
        assert_eq!(path.name(), Some(&"bar".to_string()))
    }
}

#[test]
fn test_parent() {
    #[cfg(unix)]
    {
        let path = OsPath::from("/foo/bar/baz.txt");
        assert_eq!(path.parent(), Some(OsPath::from("/foo/bar/")));

        let path = OsPath::from("/foo/bar/");
        assert_eq!(path.parent(), Some(OsPath::from("/foo/")));
    }

    #[cfg(windows)]
    {
        let path = OsPath::from("C:\\foo\\bar\\baz.txt");
        assert_eq!(path.parent(), Some(OsPath::from("C:\\foo\\bar\\")));

        let path = OsPath::from("C:\\foo\\bar\\");
        assert_eq!(path.parent(), Some(OsPath::from("C:\\foo\\")));
    }
}

#[test]
fn test_froms() {
    #[cfg(unix)]
    {
        let path_buf = std::path::PathBuf::from("/foo/bar/baz.txt");
        assert_eq!(OsPath::from(&path_buf), OsPath::from("/foo/bar/baz.txt"));
        assert_eq!(OsPath::from(path_buf), OsPath::from("/foo/bar/baz.txt"));
    }

    #[cfg(windows)]
    {
        let path = OsPath::from("C:\\foo\\bar\\baz.txt");
        println!("Test path: {:?}", path);

        let path_buf = std::path::PathBuf::from("C:\\foo\\bar\\baz.txt");
        assert_eq!(
            OsPath::from(&path_buf),
            OsPath::from("C:\\foo\\bar\\baz.txt")
        );
        assert_eq!(
            OsPath::from(path_buf),
            OsPath::from("C:\\foo\\bar\\baz.txt")
        );
        assert_eq!(
            OsPath::from("C:\\foo\\bar\\baz.txt").to_string(),
            "C:\\foo\\bar\\baz.txt".to_string()
        );
    }
}

#[test]
fn test_some_edge_cases() {
    #[cfg(unix)]
    {
        assert!(OsPath::from("/").is_dir());
        assert!(OsPath::from("/").is_absolute());
        assert!(OsPath::from("/").join("foo.txt").is_file());
        assert!(OsPath::from("/").join("foo.txt").is_absolute());
        assert_eq!(
            OsPath::from("/").join("foo.txt").parent(),
            Some(OsPath::from("/"))
        );
        assert_eq!(
            OsPath::from("/").join("foo.txt").name(),
            Some(&"foo.txt".to_string())
        );

        assert_eq!(OsPath::from("./foo.txt").to_string(), "./foo.txt");
        assert_eq!(OsPath::from("./").to_string(), "./");
    }
}