windows-troll 0.1.0

Modular Windows prank library
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//! Command-line entry point for the `windows-troll` crate.
//!
//! Builds the root command from a registry of [`cli::CliModule`]s, so adding a
//! new troll only means adding one entry to [`cli::all`].

use clap::Command;

mod cli;

fn main() -> Result<(), Box<dyn std::error::Error>> {
    let modules = crate::cli::all();

    if modules.is_empty() {
        eprintln!("No troll modules enabled.");
        eprintln!("Build with at least one feature, e.g. `--features window-hider`.");
        std::process::exit(2);
    }

    let mut root = Command::new("windows-troll")
        .version(env!("CARGO_PKG_VERSION"))
        .about("A collection of harmless Windows pranks")
        .propagate_version(true)
        .subcommand_required(true)
        .arg_required_else_help(true);

    for module in &modules {
        root = root.subcommand(module.command());
    }

    let matches = root.get_matches();
    let (name, sub_matches) = matches.subcommand().expect("subcommand is required");

    for module in &modules {
        if module.name() == name {
            return module.run(sub_matches);
        }
    }

    Err(format!("unknown subcommand: {name}").into())
}