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use tokio::{fs, process::Command};
use crate::env::editor::get_default_editor;
/// Input text using the system editor
/// Opens the system editor (from EDITOR environment variable) with default text in a cache file,
/// then reads back the modified content after the editor closes, removing comment lines
pub async fn input_with_editor(
default_text: impl AsRef<str>,
cache_file: impl AsRef<std::path::Path>,
comment_char: impl AsRef<str>,
) -> Result<String, std::io::Error> {
input_with_editor_cutsom(
default_text,
cache_file,
comment_char,
get_default_editor().await,
)
.await
}
pub async fn input_with_editor_cutsom(
default_text: impl AsRef<str>,
cache_file: impl AsRef<std::path::Path>,
comment_char: impl AsRef<str>,
editor: String,
) -> Result<String, std::io::Error> {
let cache_path = cache_file.as_ref();
let default_content = default_text.as_ref();
let comment_prefix = comment_char.as_ref();
// Write default text to cache file
fs::write(cache_path, default_content).await?;
// Open editor with cache file
let status = Command::new(editor).arg(cache_path).status().await?;
if !status.success() {
return Err(std::io::Error::new(
std::io::ErrorKind::Other,
"Editor exited with non-zero status",
));
}
// Read the modified content
let content = fs::read_to_string(cache_path).await?;
// Remove comment lines and trim
let processed_content: String = content
.lines()
.filter_map(|line| {
let trimmed = line.trim();
if trimmed.starts_with(comment_prefix) {
None
} else {
Some(line)
}
})
.collect::<Vec<&str>>()
.join("\n");
// Delete the cache file
let _ = fs::remove_file(cache_path).await;
Ok(processed_content)
}
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