package keeper_test

import (
	"time"

	sdkmath "cosmossdk.io/math"
	"github.com/cosmos/cosmos-sdk/codec"
	sdk "github.com/cosmos/cosmos-sdk/types"
	authtypes "github.com/cosmos/cosmos-sdk/x/auth/types"

	"github.com/tendermint/tendermint/crypto"
	tmtime "github.com/tendermint/tendermint/types/time"

	"github.com/0glabs/0g-chain/app"
	"github.com/0glabs/0g-chain/x/bep3/types"
)

const (
	TestSenderOtherChain    = "bnb1uky3me9ggqypmrsvxk7ur6hqkzq7zmv4ed4ng7"
	TestRecipientOtherChain = "bnb1urfermcg92dwq36572cx4xg84wpk3lfpksr5g7"
	TestDeputy              = "0g1ffv7nhd3z6sych2qpqkk03ec6hzkmufyhp5hf8"
)

var (
	DenomMap  = map[int]string{0: "btc", 1: "eth", 2: "bnb", 3: "xrp", 4: "dai"}
	TestUser1 = sdk.AccAddress(crypto.AddressHash([]byte("0gTestUser1")))
	TestUser2 = sdk.AccAddress(crypto.AddressHash([]byte("0gTestUser2")))
)

func c(denom string, amount int64) sdk.Coin { return sdk.NewInt64Coin(denom, amount) }
func cs(coins ...sdk.Coin) sdk.Coins        { return sdk.NewCoins(coins...) }
func ts(minOffset int) int64                { return tmtime.Now().Add(time.Duration(minOffset) * time.Minute).Unix() }

func NewAuthGenStateFromAccs(cdc codec.JSONCodec, accounts ...authtypes.GenesisAccount) app.GenesisState {
	authGenesis := authtypes.NewGenesisState(authtypes.DefaultParams(), accounts)
	return app.GenesisState{authtypes.ModuleName: cdc.MustMarshalJSON(authGenesis)}
}

func NewBep3GenStateMulti(cdc codec.JSONCodec, deputyAddress sdk.AccAddress) app.GenesisState {
	bep3Genesis := types.GenesisState{
		Params: types.Params{
			AssetParams: types.AssetParams{
				{
					Denom:  "bnb",
					CoinID: 714,
					SupplyLimit: types.SupplyLimit{
						Limit:          sdkmath.NewInt(350000000000000),
						TimeLimited:    false,
						TimeBasedLimit: sdk.ZeroInt(),
						TimePeriod:     time.Hour,
					},
					Active:        true,
					DeputyAddress: deputyAddress,
					FixedFee:      sdkmath.NewInt(1000),
					MinSwapAmount: sdk.OneInt(),
					MaxSwapAmount: sdkmath.NewInt(1000000000000),
					MinBlockLock:  types.DefaultMinBlockLock,
					MaxBlockLock:  types.DefaultMaxBlockLock,
				},
				{
					Denom:  "inc",
					CoinID: 9999,
					SupplyLimit: types.SupplyLimit{
						Limit:          sdkmath.NewInt(100000000000000),
						TimeLimited:    true,
						TimeBasedLimit: sdkmath.NewInt(50000000000),
						TimePeriod:     time.Hour,
					},
					Active:        false,
					DeputyAddress: deputyAddress,
					FixedFee:      sdkmath.NewInt(1000),
					MinSwapAmount: sdk.OneInt(),
					MaxSwapAmount: sdkmath.NewInt(100000000000),
					MinBlockLock:  types.DefaultMinBlockLock,
					MaxBlockLock:  types.DefaultMaxBlockLock,
				},
			},
		},
		Supplies: types.AssetSupplies{
			types.NewAssetSupply(
				sdk.NewCoin("bnb", sdk.ZeroInt()),
				sdk.NewCoin("bnb", sdk.ZeroInt()),
				sdk.NewCoin("bnb", sdk.ZeroInt()),
				sdk.NewCoin("bnb", sdk.ZeroInt()),
				time.Duration(0),
			),
			types.NewAssetSupply(
				sdk.NewCoin("inc", sdk.ZeroInt()),
				sdk.NewCoin("inc", sdk.ZeroInt()),
				sdk.NewCoin("inc", sdk.ZeroInt()),
				sdk.NewCoin("inc", sdk.ZeroInt()),
				time.Duration(0),
			),
		},
		PreviousBlockTime: types.DefaultPreviousBlockTime,
	}
	return app.GenesisState{types.ModuleName: cdc.MustMarshalJSON(&bep3Genesis)}
}

func atomicSwaps(ctx sdk.Context, count int) types.AtomicSwaps {
	var swaps types.AtomicSwaps
	for i := 0; i < count; i++ {
		swap := atomicSwap(ctx, i)
		swaps = append(swaps, swap)
	}
	return swaps
}

func atomicSwap(ctx sdk.Context, index int) types.AtomicSwap {
	expireOffset := uint64(200) // Default expire height + offet to match timestamp
	timestamp := ts(index)      // One minute apart
	randomNumber, _ := types.GenerateSecureRandomNumber()
	randomNumberHash := types.CalculateRandomHash(randomNumber[:], timestamp)

	return types.NewAtomicSwap(cs(c("bnb", 50000)), randomNumberHash,
		uint64(ctx.BlockHeight())+expireOffset, timestamp, TestUser1, TestUser2,
		TestSenderOtherChain, TestRecipientOtherChain, 0, types.SWAP_STATUS_OPEN, true,
		types.SWAP_DIRECTION_INCOMING)
}