use std::env;
use std::fs::read_to_string;
use std::process::Command;
use tempfile::NamedTempFile;
use std::io;

pub fn open_to_edit() -> io::Result<String> {
    // Create a temporary file
    let temp_file = NamedTempFile::new()?;
    // Get the user's preferred editor from the $EDITOR environment variable
    // Default is 'nano'
    let editor = env::var("EDITOR").unwrap_or_else(|_| "nano".to_string());

    // Get the path of the temp file
    let file_path = temp_file.path().to_str().unwrap().to_string();

    // Open the file in the external editor
    Command::new(editor)
        .arg(&file_path)
        .status()
        .expect("Failed to open editor");

    // Read the file content after editing
    let edited_content = read_to_string(&file_path)?;

    // Print the edited content
    Ok(edited_content)

}