#![no_main]

use arbitrary::Arbitrary;
use commonware_cryptography::bls12381::dkg::golden::{FuzzPlan, Setup, FUZZ_PLAN_MAX_PARTICIPANTS};
use commonware_parallel::Sequential;
use libfuzzer_sys::fuzz_target;
use std::{num::NonZeroU32, sync::LazyLock};

/// A setup sized for the largest plan `FuzzPlan::arbitrary` can generate.
/// Built once and reused across invocations because [`Setup::new`] is
/// expensive.
static SETUP: LazyLock<Setup> =
    LazyLock::new(|| Setup::new(NonZeroU32::new(FUZZ_PLAN_MAX_PARTICIPANTS).unwrap()));

#[derive(Debug, Arbitrary)]
struct FuzzInput {
    plan: FuzzPlan,
    seed: u64,
}

fuzz_target!(|input: FuzzInput| {
    input
        .plan
        .run(&SETUP, input.seed, &Sequential)
        .expect("fuzz should not panic");
});