use rand::prelude::*;
use rand::{thread_rng};

const FIRSTS: [&'static str; 22] = [
    "fierce",
    "obscure",
    "mighty",
    "rogue",
    "inverted",
    "recalcitrant",
    "subterranean",
    "brewing",
    "nocturnal",
    "convex",
    "concave",
    "piscine",
    "dub",
    "borean",
    "lurking",
    "leafy",
    "nutritious",
    "bristling",
    "metallic",
    "purified",
    "organic",
    "distorted",
];

const LASTS: [&'static str; 29] = [
    "kaffe",
    "foilage",
    "wildlife",
    "design",
    "assembly",
    "layout",
    "transmitter",
    "lens",
    "artifact",
    "frequency",
    "entropy",
    "console",
    "insulator",
    "river",
    "oak",
    "replicant",
    "mechanism",
    "construct",
    "function",
    "shape",
    "form",
    "poseidon",
    "mountain",
    "river",
    "forest",
    "problem",
    "warning",
    "information",
    "witness",
];

pub fn name() -> String {
    let mut rng = thread_rng();

    let first = rng.gen_range(0, FIRSTS.len() - 1);
    let last = rng.gen_range(0, LASTS.len() - 1);

    let mut s = String::new();
    s.push_str(FIRSTS[first]);
    s.push(' ');
    s.push_str(LASTS[last]);

    s
}