// Copyright 2022 Evmos Foundation
// This file is part of the Evmos Network packages.
//
// Evmos is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The Evmos packages are 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 Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the Evmos packages. If not, see https://github.com/evmos/evmos/blob/main/LICENSE

package keeper

import (
	sdk "github.com/cosmos/cosmos-sdk/types"
	"github.com/evmos/evmos/v15/x/epochs/types"
)

var _ types.EpochHooks = MultiEpochHooks{}

// combine multiple epoch hooks, all hook functions are run in array sequence
type MultiEpochHooks []types.EpochHooks

func NewMultiEpochHooks(hooks ...types.EpochHooks) MultiEpochHooks {
	return hooks
}

// AfterEpochEnd is called when epoch is going to be ended, epochNumber is the
// number of epoch that is ending
func (mh MultiEpochHooks) AfterEpochEnd(ctx sdk.Context, epochIdentifier string, epochNumber int64) {
	for i := range mh {
		mh[i].AfterEpochEnd(ctx, epochIdentifier, epochNumber)
	}
}

// BeforeEpochStart is called when epoch is going to be started, epochNumber is
// the number of epoch that is starting
func (mh MultiEpochHooks) BeforeEpochStart(ctx sdk.Context, epochIdentifier string, epochNumber int64) {
	for i := range mh {
		mh[i].BeforeEpochStart(ctx, epochIdentifier, epochNumber)
	}
}

// AfterEpochEnd executes the indicated hook after epochs ends
func (k Keeper) AfterEpochEnd(ctx sdk.Context, identifier string, epochNumber int64) {
	k.hooks.AfterEpochEnd(ctx, identifier, epochNumber)
}

// BeforeEpochStart executes the indicated hook before the epochs
func (k Keeper) BeforeEpochStart(ctx sdk.Context, identifier string, epochNumber int64) {
	k.hooks.BeforeEpochStart(ctx, identifier, epochNumber)
}
