use std::error::Error as StdError;
use std::io::IsTerminal;
use std::path::Path;
use std::process::ExitCode;


use clap::{ColorChoice, Parser as _};

fn main_wrapped() -> Result<(), Box<dyn StdError + Send + Sync + 'static>> {
    let args = append_override::Parser::parse();

    let success = append_override::CLI_ENABLE_COLOR.set(match args.color {
        ColorChoice::Always => true,
        ColorChoice::Auto => std::io::stdin().is_terminal(),
        ColorChoice::Never => false,
    });
    if cfg!(debug_assertions) {
        success.expect("logic error in CLI_ENABLE_COLOR");
    }

    // FIXME: handle relative paths without leading ./
    let filepath = Path::new(&args.file);

    // Get what file that thing is defined in.
    let def_path = append_override::get_where(&args.name, filepath)?;

    append_override::get_highest_prio(&args.name, &def_path)?;

    Ok(())
}

fn main() -> ExitCode {
    match main_wrapped() {
        Ok(_) => ExitCode::SUCCESS,
        Err(e) => {
            eprintln!("append-override: error: {}", e);
            ExitCode::FAILURE
        }
    }
}