cubing 0.15.2

Features from `cubing.js` in Rust.
Documentation 
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mod patterns;
mod search;
mod triggers;

use std::{
    process::exit,
    thread::{self, JoinHandle},
    time::Instant,
};

use cubing::{alg::Alg, puzzles::cube3x3x3_kpuzzle};

use clap::{command, Parser};

use crate::{
    patterns::{is_3x3x3_cross_solved, is_slot_solved},
    search::Search,
    triggers::{get_auf_triggers, get_triggers_by_slot},
};

/// Generate a native-style macOS folder icon from a mask file.
#[derive(Parser, Debug)]
#[command(author, version, about, long_about = None)]
struct Args {
    #[clap(long)]
    scramble: String,
    #[clap(long)]
    debug: bool,
    #[clap(long)]
    no_randomize: bool,
    #[clap(long)]
    no_prefer_immediate_slots: bool,
    #[clap(long, default_value = "9")]
    max_depth: usize,
    /// Defaults to the max depth if not specified.
    #[clap(long)]
    start_depth: Option<usize>,
    #[clap(long, default_value = "3")]
    max_depth_per_slot: usize,
    #[clap(long, default_value = "100")]
    max_num_solutions: usize,
}

pub fn main() {
    let args = Args::parse();
    let kpuzzle = cube3x3x3_kpuzzle();

    let scramble = args
        .scramble
        .parse::<Alg>()
        .expect("Invalid input alg syntax.");
    let pattern = kpuzzle
        .default_pattern()
        .apply_alg(&scramble)
        .expect("Input alg is not valid for puzzle.");

    if !is_3x3x3_cross_solved(&pattern) {
        eprintln!("The provided alg does not leave cross solved. This is currently unsupported.");
        exit(1)
    }

    let triggers_by_slot = get_triggers_by_slot(kpuzzle);
    for slot_trigger_info in &triggers_by_slot {
        if is_slot_solved(&pattern, &slot_trigger_info.f2l_slot) {
            println!(
                "Initially solved slot: {}",
                slot_trigger_info.triggers.iter().as_slice()[0].short_alg
            )
        }
    }

    let max_depth_limit = args.max_depth;
    let start_depth_limit = args.start_depth.unwrap_or(max_depth_limit);

    if start_depth_limit > max_depth_limit {
        eprintln!("Warning: start depth is greater than max depth.")
    }

    let mut searches = Vec::<Search>::new();

    let main_search = Search {
        scramble,
        triggers_by_slot,
        auf_triggers: get_auf_triggers(kpuzzle),
        debug: args.debug,
        randomize: !args.no_randomize,
        prefer_immediate_slots: !args.no_prefer_immediate_slots,
        start_depth_limit,
        max_depth_limit,
        depth_limit_per_slot: 3,
        max_num_solutions: 10,
    };

    searches.push(main_search);

    let mut handles = Vec::<JoinHandle<()>>::default();

    for search in searches.into_iter() {
        let pattern = pattern.clone();
        let handle = thread::spawn(move || {
            search.search(&pattern);
        });
        handles.push(handle);
    }

    println!("Len: {}", handles.len());

    for handle in handles {
        handle.join().unwrap()
    }

    let start = Instant::now();
    let duration = start.elapsed();
    println!("Time elapsed: {:?}", duration);
}