use std::{fs, path::PathBuf};
use clap::{CommandFactory, Parser};
use clap_mangen::Man;
use color_eyre::Result;
use pimalaya_tui::terminal::cli::printer::Printer;
use tracing::info;
use crate::{cli::Cli, dir_parser};
#[derive(Debug, Parser)]
pub struct ManualGenerateCommand {
#[arg(value_parser = dir_parser)]
pub dir: PathBuf,
}
impl ManualGenerateCommand {
pub async fn execute(self, printer: &mut impl Printer) -> Result<()> {
info!("executing generate manuals command");
let cmd = Cli::command();
let cmd_name = cmd.get_name().to_string();
let subcmds = cmd.get_subcommands().cloned().collect::<Vec<_>>();
let subcmds_len = subcmds.len() + 1;
let mut buffer = Vec::new();
Man::new(cmd).render(&mut buffer)?;
fs::create_dir_all(&self.dir)?;
printer.log(format!("Generating man page for command {cmd_name}…\n"))?;
fs::write(self.dir.join(format!("{}.1", cmd_name)), buffer)?;
for subcmd in subcmds {
let subcmd_name = subcmd.get_name().to_string();
let mut buffer = Vec::new();
Man::new(subcmd).render(&mut buffer)?;
printer.log(format!(
"Generating man page for subcommand {subcmd_name}…\n"
))?;
fs::write(
self.dir.join(format!("{}-{}.1", cmd_name, subcmd_name)),
buffer,
)?;
}
printer.log(format!(
"{subcmds_len} man page(s) successfully generated in {}!\n",
self.dir.display()
))?;
Ok(())
}
}