package config

import (
	"math/big"

	sdk "github.com/cosmos/cosmos-sdk/types"

	evmtypes "github.com/evmos/evmos/v19/types"
)

const (
	// Bech32Prefix defines the Bech32 prefix used for EthAccounts
	Bech32Prefix = "settlus"

	// Bech32PrefixAccAddr defines the Bech32 prefix of an account's address
	Bech32PrefixAccAddr = Bech32Prefix
	// Bech32PrefixAccPub defines the Bech32 prefix of an account's public key
	Bech32PrefixAccPub = Bech32Prefix + sdk.PrefixPublic
	// Bech32PrefixValAddr defines the Bech32 prefix of a validator's operator address
	Bech32PrefixValAddr = Bech32Prefix + sdk.PrefixValidator + sdk.PrefixOperator
	// Bech32PrefixValPub defines the Bech32 prefix of a validator's operator public key
	Bech32PrefixValPub = Bech32Prefix + sdk.PrefixValidator + sdk.PrefixOperator + sdk.PrefixPublic
	// Bech32PrefixConsAddr defines the Bech32 prefix of a consensus node address
	Bech32PrefixConsAddr = Bech32Prefix + sdk.PrefixValidator + sdk.PrefixConsensus
	// Bech32PrefixConsPub defines the Bech32 prefix of a consensus node public key
	Bech32PrefixConsPub = Bech32Prefix + sdk.PrefixValidator + sdk.PrefixConsensus + sdk.PrefixPublic
)

const (
	// DisplayDenom defines the denomination displayed to users in client applications.
	DisplayDenom = "setl"
	// BaseDenom defines to the default denomination used in Settlus (staking, EVM, governance, etc.)
	BaseDenom = "asetl"
	// BaseDenomUnit defines the base denomination unit for Settlus.
	BaseDenomUnit = 18 // 1 setl 1x10^{BaseDenomUnit} asetl
)

var PowerReduction = sdk.NewIntFromBigInt(new(big.Int).Exp(big.NewInt(10), big.NewInt(BaseDenomUnit), nil))

// SetBech32Prefixes sets the global prefixes to be used when serializing addresses and public keys to Bech32 strings.
func SetBech32Prefixes(config *sdk.Config) {
	config.SetBech32PrefixForAccount(Bech32PrefixAccAddr, Bech32PrefixAccPub)
	config.SetBech32PrefixForValidator(Bech32PrefixValAddr, Bech32PrefixValPub)
	config.SetBech32PrefixForConsensusNode(Bech32PrefixConsAddr, Bech32PrefixConsPub)
}

// SetBip44CoinType sets the global coin type to be used in hierarchical deterministic wallets.
func SetBip44CoinType(config *sdk.Config) {
	config.SetCoinType(evmtypes.Bip44CoinType)
	config.SetPurpose(sdk.Purpose)                     // Shared
	config.SetFullFundraiserPath(evmtypes.BIP44HDPath) //nolint: staticcheck
}

func RegisterDenom() {
	if err := sdk.RegisterDenom(DisplayDenom, sdk.OneDec()); err != nil {
		panic(err)
	}

	if err := sdk.RegisterDenom(BaseDenom, sdk.NewDecWithPrec(1, BaseDenomUnit)); err != nil {
		panic(err)
	}
}
