// Copyright 2021 Evmos Foundation
// This file is part of Evmos' Ethermint library.
//
// The Ethermint library 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 Ethermint library 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 Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the Ethermint library. If not, see https://github.com/evmos/ethermint/blob/main/LICENSE
package flags

import (
	"github.com/cosmos/cosmos-sdk/client/flags"
	"github.com/cosmos/cosmos-sdk/crypto/keyring"
	"github.com/spf13/cobra"
	"github.com/spf13/viper"
)

// Tendermint/cosmos-sdk full-node start flags
const (
	WithTendermint = "with-tendermint"
	Address        = "address"
	Transport      = "transport"
	TraceStore     = "trace-store"
	CPUProfile     = "cpu-profile"
	// The type of database for application and snapshots databases
	AppDBBackend = "app-db-backend"
)

// GRPC-related flags.
const (
	GRPCOnly       = "grpc-only"
	GRPCEnable     = "grpc.enable"
	GRPCAddress    = "grpc.address"
	GRPCWebEnable  = "grpc-web.enable"
	GRPCWebAddress = "grpc-web.address"
)

// Cosmos API flags
const (
	RPCEnable         = "api.enable"
	EnabledUnsafeCors = "api.enabled-unsafe-cors"
)

// JSON-RPC flags
const (
	JSONRPCEnable              = "json-rpc.enable"
	JSONRPCAPI                 = "json-rpc.api"
	JSONRPCAddress             = "json-rpc.address"
	JSONWsAddress              = "json-rpc.ws-address"
	JSONRPCGasCap              = "json-rpc.gas-cap"
	JSONRPCEVMTimeout          = "json-rpc.evm-timeout"
	JSONRPCTxFeeCap            = "json-rpc.txfee-cap"
	JSONRPCFilterCap           = "json-rpc.filter-cap"
	JSONRPCLogsCap             = "json-rpc.logs-cap"
	JSONRPCBlockRangeCap       = "json-rpc.block-range-cap"
	JSONRPCHTTPTimeout         = "json-rpc.http-timeout"
	JSONRPCHTTPIdleTimeout     = "json-rpc.http-idle-timeout"
	JSONRPCAllowUnprotectedTxs = "json-rpc.allow-unprotected-txs"
	JSONRPCMaxOpenConnections  = "json-rpc.max-open-connections"
	JSONRPCEnableIndexer       = "json-rpc.enable-indexer"
	// JSONRPCEnableMetrics enables EVM RPC metrics server.
	// Set to `metrics` which is hardcoded flag from go-ethereum.
	// https://github.com/ethereum/go-ethereum/blob/master/metrics/metrics.go#L35-L55
	JSONRPCEnableMetrics = "metrics"
)

// EVM flags
const (
	EVMTracer         = "evm.tracer"
	EVMMaxTxGasWanted = "evm.max-tx-gas-wanted"
)

// TLS flags
const (
	TLSCertPath = "tls.certificate-path"
	TLSKeyPath  = "tls.key-path"
)

// AddTxFlags adds common flags for commands to post tx
func AddTxFlags(cmd *cobra.Command) (*cobra.Command, error) {
	cmd.PersistentFlags().String(flags.FlagChainID, "testnet", "Specify Chain ID for sending Tx")
	cmd.PersistentFlags().String(flags.FlagFrom, "", "Name or address of private key with which to sign")
	cmd.PersistentFlags().String(flags.FlagFees, "", "Fees to pay along with transaction; eg: 10aphoton")
	cmd.PersistentFlags().String(flags.FlagGasPrices, "", "Gas prices to determine the transaction fee (e.g. 10aphoton)")
	cmd.PersistentFlags().String(flags.FlagNode, "tcp://localhost:26657", "<host>:<port> to tendermint rpc interface for this chain")                                                                                                   //nolint:lll
	cmd.PersistentFlags().Float64(flags.FlagGasAdjustment, flags.DefaultGasAdjustment, "adjustment factor to be multiplied against the estimate returned by the tx simulation; if the gas limit is set manually this flag is ignored ") //nolint:lll
	cmd.PersistentFlags().StringP(flags.FlagBroadcastMode, "b", flags.BroadcastSync, "Transaction broadcasting mode (sync|async|block)")
	cmd.PersistentFlags().String(flags.FlagKeyringBackend, keyring.BackendOS, "Select keyring's backend")

	// --gas can accept integers and "simulate"
	// cmd.PersistentFlags().Var(&flags.GasFlagVar, "gas", fmt.Sprintf(
	//	"gas limit to set per-transaction; set to %q to calculate required gas automatically (default %d)",
	//	flags.GasFlagAuto, flags.DefaultGasLimit,
	// ))

	// viper.BindPFlag(flags.FlagTrustNode, cmd.Flags().Lookup(flags.FlagTrustNode))
	if err := viper.BindPFlag(flags.FlagNode, cmd.PersistentFlags().Lookup(flags.FlagNode)); err != nil {
		return nil, err
	}
	if err := viper.BindPFlag(flags.FlagKeyringBackend, cmd.PersistentFlags().Lookup(flags.FlagKeyringBackend)); err != nil {
		return nil, err
	}
	return cmd, nil
}