use std::sync::Arc;
use std::path::PathBuf;
use std::fs::canonicalize;
use clap::{arg, command, value_parser};
use vestal::Module;

/// Define command line arguments.
fn cli () -> clap::Command {
    command!()
        .arg(arg!([path] "Path to VST DLL").value_parser(value_parser!(PathBuf)))
        //.arg(arg!(-s --stub <VALUE> "Provide a stub import").required(false))
        .arg(arg!(-i --inspect "Show info, don't run").required(false))
        .arg(arg!(-v --verbose "Show a lot of info").required(false))
}

fn main () -> Result<(), Box<dyn std::error::Error>> {
    // Parse command line arguments.
    let args = cli().get_matches();
    if let Some(path) = args.get_one::<PathBuf>("path") {
        Module::from_path(path, *(args.get_one::<bool>("verbose").unwrap_or(&false)))
            .map(Arc::new)
            .unwrap_or_else(|e|panic!("failed to open: {e:?}"))
            .search(std::env::current_dir()?)
            .search(canonicalize(path.clone().parent().expect("invalid parent path"))?)
            .search("/home/user/Lab/Cosmo/wineprefix/drive_c/windows/system32")
            .load(true).unwrap_or_else(|e|panic!("failed to load: {e:?}"))
            .resolve(true).unwrap_or_else(|e|panic!("failed to resolve: {e:?}"))
            .relink().unwrap_or_else(|e|panic!("failed to relink: {e:?}"));
    } else {
        println!("Pass a path to a VST DLL");
    }
    Ok(())
}