use std::os::unix::prelude::OsStrExt;

use crate::error::CommandError;

use clap::SubCommand;

use hg::{self, utils::hg_path::HgPath};

pub const HELP_TEXT: &str = "";

pub fn args() -> clap::App<'static, 'static> {

    SubCommand::with_name("debugrhgsparse")

        .arg(

            clap::Arg::with_name("files")

                .required(true)

                .multiple(true)

                .empty_values(false)

                .value_name("FILES")

                .help("Files to check against sparse profile"),

        )

        .about(HELP_TEXT)

}

pub fn run(invocation: &crate::CliInvocation) -> Result<(), CommandError> {

    let repo = invocation.repo?;

    let (matcher, _warnings) = hg::sparse::matcher(&repo).unwrap();

    let files = invocation.subcommand_args.values_of_os("files");

    if let Some(files) = files {

        for file in files {

            invocation.ui.write_stdout(b"matches: ")?;

            invocation.ui.write_stdout(

                if matcher.matches(HgPath::new(file.as_bytes())) {

                    b"yes"

                } else {

                    b"no"

                },

            )?;

            invocation.ui.write_stdout(b" | file: ")?;

            invocation.ui.write_stdout(file.as_bytes())?;

            invocation.ui.write_stdout(b"\n")?;

        }

    }

    Ok(())

}