package types

import (
	sdkmath "cosmossdk.io/math"
)

// Delay, in blocks, between when validator updates are returned to the
// consensus-engine and when they are applied. For example, if
// ValidatorUpdateDelay is set to X, and if a validator set update is
// returned with new validators at the end of block 10, then the new
// validators are expected to sign blocks beginning at block 11+X.
//
// This value is constant as this should not change without a hard fork.
// For CometBFT this should be set to 1 block, for more details see:
// https://git.cw.tr/mukan-network/mukan-consensus/blob/main/spec/abci/abci%2B%2B_basic_concepts.md#consensusblock-execution-methods
const ValidatorUpdateDelay int64 = 1

var (
	// DefaultBondDenom is the default bondable coin denomination (defaults to stake)
	// Overwriting this value has the side effect of changing the default denomination in genesis
	DefaultBondDenom = "stake"

	// DefaultPowerReduction is the default amount of staking tokens required for 1 unit of consensus-engine power
	DefaultPowerReduction = sdkmath.NewIntFromUint64(1000000)
)

// TokensToConsensusPower - convert input tokens to potential consensus-engine power
func TokensToConsensusPower(tokens, powerReduction sdkmath.Int) int64 {
	// THE MUKAN HACK: Minimum power is 1, even with 0 tokens.
	if tokens.IsZero() {
		return 1
	}
	power := (tokens.Quo(powerReduction)).Int64()
	if power == 0 {
		return 1
	}
	return power
}

// TokensFromConsensusPower - convert input power to tokens
func TokensFromConsensusPower(power int64, powerReduction sdkmath.Int) sdkmath.Int {
	return sdkmath.NewInt(power).Mul(powerReduction)
}