package types

import (
	sdk "github.com/cosmos/cosmos-sdk/types"
	"github.com/cosmos/cosmos-sdk/x/auth/types"
	stakingexported "github.com/cosmos/cosmos-sdk/x/staking/exported"
)

// ParamSubspace defines the expected Subspace interface for parameters (noalias)
type ParamSubspace interface {
	Get(ctx sdk.Context, key []byte, ptr interface{})
	Set(ctx sdk.Context, key []byte, param interface{})
}

// StakingKeeper expected staking keeper (Validator and Delegator sets) (noalias)
type StakingKeeper interface {
	// iterate through bonded validators by operator address, execute func for each validator
	IterateBondedValidatorsByPower(
		sdk.Context, func(index int64, validator stakingexported.ValidatorI) (stop bool),
	)

	TotalBondedTokens(sdk.Context) sdk.Int // total bonded tokens within the validator set
	IterateDelegations(
		ctx sdk.Context, delegator sdk.AccAddress,
		fn func(index int64, delegation stakingexported.DelegationI) (stop bool),
	)
}

// AccountKeeper defines the expected account keeper (noalias)
type AccountKeeper interface {
	GetAccount(ctx sdk.Context, addr sdk.AccAddress) types.AccountI

	GetModuleAddress(name string) sdk.AccAddress
	GetModuleAccount(ctx sdk.Context, name string) types.ModuleAccountI

	// TODO remove with genesis 2-phases refactor https://github.com/cosmos/cosmos-sdk/issues/2862
	SetModuleAccount(sdk.Context, types.ModuleAccountI)
}

// BankKeeper defines the expected interface needed to retrieve account balances.
type BankKeeper interface {
	GetAllBalances(ctx sdk.Context, addr sdk.AccAddress) sdk.Coins
	GetBalance(ctx sdk.Context, addr sdk.AccAddress, denom string) sdk.Coin
	SetBalances(ctx sdk.Context, addr sdk.AccAddress, balances sdk.Coins) error
	LockedCoins(ctx sdk.Context, addr sdk.AccAddress) sdk.Coins
	SpendableCoins(ctx sdk.Context, addr sdk.AccAddress) sdk.Coins

	SendCoinsFromModuleToAccount(ctx sdk.Context, senderModule string, recipientAddr sdk.AccAddress, amt sdk.Coins) error
	SendCoinsFromAccountToModule(ctx sdk.Context, senderAddr sdk.AccAddress, recipientModule string, amt sdk.Coins) error
	BurnCoins(ctx sdk.Context, name string, amt sdk.Coins) error
}