// This file is part of CORD â€“ https://cord.network

// Copyright (C) Dhiway Networks Pvt. Ltd.
// SPDX-License-Identifier: GPL-3.0-or-later

// CORD is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.

// CORD 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 General Public License for more details.

// You should have received a copy of the GNU General Public License
// along with CORD. If not, see <https://www.gnu.org/licenses/>.

//! Defines types and traits fo pallet network membership.

#![cfg_attr(not(feature = "std"), no_std)]
#![allow(clippy::type_complexity)]

use codec::{Decode, Encode, MaxEncodedLen};
use scale_info::TypeInfo;
#[cfg(feature = "std")]
use serde::{Deserialize, Serialize};
use sp_runtime::RuntimeDebug;

pub enum Event<AccountId = ()> {
	/// A membership has acquired
	MembershipAcquired(AccountId),
	/// A membership has expired
	MembershipExpired(AccountId),
	/// A membership has renewed
	MembershipRenewed(AccountId),
	/// A membership has revoked
	MembershipRevoked(AccountId),
	/// A membership renew request
	MembershipRenewRequest(AccountId),
}

#[derive(
	Encode, Decode, Default, Clone, Copy, PartialEq, Eq, RuntimeDebug, TypeInfo, MaxEncodedLen,
)]
#[cfg_attr(feature = "std", derive(Serialize, Deserialize))]
#[cfg_attr(feature = "std", serde(rename_all = "camelCase"))]
pub struct MemberData<BlockNumber: Decode + Encode + TypeInfo> {
	pub expire_on: BlockNumber,
}

/// Determine if a `MemberId` is a valid member.
pub trait IsMember<MemberId> {
	/// Is the given `MemberId` a valid member?
	fn is_member(member_id: &MemberId) -> bool;
}

pub trait MembersCount {
	fn members_count() -> u32;
}
