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// yt - A fully featured command line YouTube client
//
// Copyright (C) 2024 Benedikt Peetz <benedikt.peetz@b-peetz.de>
// Copyright (C) 2025 Benedikt Peetz <benedikt.peetz@b-peetz.de>
// SPDX-License-Identifier: GPL-3.0-or-later
//
// This file is part of Yt.
//
// You should have received a copy of the License along with this program.
// If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.
use std::{
io::Write,
process::{Command, Stdio},
};
use anyhow::{Context, Result};
use uu_fmt::{FmtOptions, process_text};
use crate::unreachable::Unreachable;
pub async fn display_fmt_and_less(input: String) -> Result<()> {
let mut less = Command::new("less")
.args(["--raw-control-chars"])
.stdin(Stdio::piped())
.stderr(Stdio::inherit())
.spawn()
.context("Failed to run less")?;
let input = format_text(&input);
let mut stdin = less.stdin.take().context("Failed to open stdin")?;
std::thread::spawn(move || {
stdin
.write_all(input.as_bytes())
.unreachable("Should be able to write to the stdin of less");
});
let _ = less.wait().context("Failed to await less")?;
Ok(())
}
#[must_use]
pub fn format_text(input: &str) -> String {
let width = termsize::get().map_or(90, |size| size.cols);
let fmt_opts = FmtOptions {
uniform: true,
split_only: true,
..FmtOptions::new(Some(width as usize), None, Some(4))
};
process_text(input, &fmt_opts)
}
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