//! Temporary directories for tests. Do not edit.

#![allow(dead_code)] // each test file uses a different part of this module

use std::path::{Path, PathBuf};
use std::sync::atomic::{AtomicU32, Ordering};

static NEXT: AtomicU32 = AtomicU32::new(0);

pub struct TempDir(PathBuf);

impl TempDir {
    pub fn new(tag: &str) -> TempDir {
        let n = NEXT.fetch_add(1, Ordering::SeqCst);
        let path = std::env::temp_dir().join(format!("gw-{tag}-{}-{n}", std::process::id()));
        let _ = std::fs::remove_dir_all(&path);
        std::fs::create_dir_all(&path).unwrap();
        TempDir(path)
    }

    pub fn path(&self) -> &Path {
        &self.0
    }

    /// Writes `text` to `name` inside the directory and returns the full path.
    pub fn write(&self, name: &str, text: &str) -> PathBuf {
        let path = self.0.join(name);
        if let Some(parent) = path.parent() {
            std::fs::create_dir_all(parent).unwrap();
        }
        std::fs::write(&path, text).unwrap();
        path
    }
}

impl Drop for TempDir {
    fn drop(&mut self) {
        let _ = std::fs::remove_dir_all(&self.0);
    }
}