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// Copyright 2021-2022 Axiom-Team
//
// This file is part of Duniter-v2S.
//
// Duniter-v2S is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, version 3 of the License.
//
// Duniter-v2S is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with Duniter-v2S. If not, see <https://www.gnu.org/licenses/>.

#![cfg(feature = "runtime-benchmarks")]

use super::*;

use frame_benchmarking::v2::*;
use frame_system::pallet_prelude::BlockNumberFor;

use crate::Pallet;

#[benchmarks(
        where
            T::IdtyId: From<u32>,
            BlockNumberFor<T>: From<u32>,
)]
mod benchmarks {
    use super::*;

    // TODO membership add and renewal should be included to distance on_new_session as worst case scenario

    #[benchmark]
    fn on_initialize() {
        // Base weight of an empty initialize
        #[block]
        {
            Pallet::<T>::on_initialize(BlockNumberFor::<T>::zero());
        }
    }

    #[benchmark]
    fn expire_memberships(i: Linear<0, 3>) {
        // Limited by the number of validators
        // Arbitrarily high, to be in the worst case of wot instance,
        // this will overcount the weight in hooks see https://git.duniter.org/nodes/rust/duniter-v2s/-/issues/167
        let block_number: BlockNumberFor<T> = 10_000_000.into();
        frame_system::pallet::Pallet::<T>::set_block_number(block_number);
        let mut idties: Vec<T::IdtyId> = Vec::new();
        for j in 1..i + 1 {
            let j: T::IdtyId = j.into();
            Membership::<T>::insert(j, MembershipData::<BlockNumberFor<T>>::default());
            idties.push(j);
        }
        MembershipsExpireOn::<T>::insert(block_number, idties);
        assert_eq!(
            MembershipsExpireOn::<T>::get(block_number).len(),
            i as usize
        );

        #[block]
        {
            Pallet::<T>::expire_memberships(block_number);
        }

        assert_eq!(MembershipsExpireOn::<T>::get(block_number).len(), 0_usize);
    }

    impl_benchmark_test_suite!(
        Pallet,
        crate::mock::new_test_ext(crate::mock::MembershipConfig {
            memberships: maplit::btreemap![
                3 => crate::MembershipData {
                    expire_on: 3,
                },
            ],
        }),
        crate::mock::Test
    );
}