package keeper_test

import (
	"testing"

	"github.com/stretchr/testify/suite"

	sdk "github.com/cosmos/cosmos-sdk/types"
	authexported "github.com/cosmos/cosmos-sdk/x/auth/exported"
	supplyexported "github.com/cosmos/cosmos-sdk/x/supply/exported"

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

	"github.com/kava-labs/kava/app"
	"github.com/kava-labs/kava/x/harvest/keeper"
	"github.com/kava-labs/kava/x/harvest/types"
)

// Test suite used for all keeper tests
type KeeperTestSuite struct {
	suite.Suite

	keeper keeper.Keeper
	app    app.TestApp
	ctx    sdk.Context
	addrs  []sdk.AccAddress
}

// The default state used by each test
func (suite *KeeperTestSuite) SetupTest() {
	config := sdk.GetConfig()
	app.SetBech32AddressPrefixes(config)

	tApp := app.NewTestApp()
	ctx := tApp.NewContext(true, abci.Header{Height: 1, Time: tmtime.Now()})
	tApp.InitializeFromGenesisStates()
	_, addrs := app.GeneratePrivKeyAddressPairs(1)
	keeper := tApp.GetHarvestKeeper()
	suite.app = tApp
	suite.ctx = ctx
	suite.keeper = keeper
	suite.addrs = addrs
}

func (suite *KeeperTestSuite) TestGetSetPreviousBlockTime() {
	now := tmtime.Now()

	_, f := suite.keeper.GetPreviousBlockTime(suite.ctx)
	suite.Require().False(f)

	suite.NotPanics(func() { suite.keeper.SetPreviousBlockTime(suite.ctx, now) })

	pbt, f := suite.keeper.GetPreviousBlockTime(suite.ctx)
	suite.True(f)
	suite.Equal(now, pbt)
}

func (suite *KeeperTestSuite) TestGetSetPreviousDelegatorDistribution() {
	now := tmtime.Now()

	_, f := suite.keeper.GetPreviousDelegatorDistribution(suite.ctx, suite.keeper.BondDenom(suite.ctx))
	suite.Require().False(f)

	suite.NotPanics(func() {
		suite.keeper.SetPreviousDelegationDistribution(suite.ctx, now, suite.keeper.BondDenom(suite.ctx))
	})

	pdt, f := suite.keeper.GetPreviousDelegatorDistribution(suite.ctx, suite.keeper.BondDenom(suite.ctx))
	suite.True(f)
	suite.Equal(now, pdt)
}

func (suite *KeeperTestSuite) TestGetSetDeleteDeposit() {
	dep := types.NewDeposit(sdk.AccAddress("test"), sdk.NewCoin("bnb", sdk.NewInt(100)), "lp")

	_, f := suite.keeper.GetDeposit(suite.ctx, sdk.AccAddress("test"), "bnb", "lp")
	suite.Require().False(f)

	suite.keeper.SetDeposit(suite.ctx, dep)

	testDeposit, f := suite.keeper.GetDeposit(suite.ctx, sdk.AccAddress("test"), "bnb", "lp")
	suite.Require().True(f)
	suite.Require().Equal(dep, testDeposit)

	suite.Require().NotPanics(func() { suite.keeper.DeleteDeposit(suite.ctx, dep) })

	_, f = suite.keeper.GetDeposit(suite.ctx, sdk.AccAddress("test"), "bnb", "lp")
	suite.Require().False(f)

}

func (suite *KeeperTestSuite) TestIterateDeposits() {
	for i := 0; i < 5; i++ {
		dep := types.NewDeposit(sdk.AccAddress("test"+string(i)), sdk.NewCoin("bnb", sdk.NewInt(100)), "lp")
		suite.Require().NotPanics(func() { suite.keeper.SetDeposit(suite.ctx, dep) })
	}
	var deposits []types.Deposit
	suite.keeper.IterateDeposits(suite.ctx, func(d types.Deposit) bool {
		deposits = append(deposits, d)
		return false
	})
	suite.Require().Equal(5, len(deposits))
}

func (suite *KeeperTestSuite) TestIterateDepositsByTypeAndDenom() {
	for i := 0; i < 5; i++ {
		depA := types.NewDeposit(sdk.AccAddress("test"+string(i)), sdk.NewCoin("bnb", sdk.NewInt(100)), "lp")
		suite.Require().NotPanics(func() { suite.keeper.SetDeposit(suite.ctx, depA) })
		depB := types.NewDeposit(sdk.AccAddress("test"+string(i)), sdk.NewCoin("bnb", sdk.NewInt(100)), "gov")
		suite.Require().NotPanics(func() { suite.keeper.SetDeposit(suite.ctx, depB) })
		depC := types.NewDeposit(sdk.AccAddress("test"+string(i)), sdk.NewCoin("btcb", sdk.NewInt(100)), "lp")
		suite.Require().NotPanics(func() { suite.keeper.SetDeposit(suite.ctx, depC) })
	}
	var bnbLPDeposits []types.Deposit
	suite.keeper.IterateDepositsByTypeAndDenom(suite.ctx, "lp", "bnb", func(d types.Deposit) bool {
		bnbLPDeposits = append(bnbLPDeposits, d)
		return false
	})
	suite.Require().Equal(5, len(bnbLPDeposits))
	var bnbGovDeposits []types.Deposit
	suite.keeper.IterateDepositsByTypeAndDenom(suite.ctx, "gov", "bnb", func(d types.Deposit) bool {
		bnbGovDeposits = append(bnbGovDeposits, d)
		return false
	})
	suite.Require().Equal(5, len(bnbGovDeposits))
	var btcbLPDeposits []types.Deposit
	suite.keeper.IterateDepositsByTypeAndDenom(suite.ctx, "lp", "btcb", func(d types.Deposit) bool {
		btcbLPDeposits = append(btcbLPDeposits, d)
		return false
	})
	suite.Require().Equal(5, len(btcbLPDeposits))
	var deposits []types.Deposit
	suite.keeper.IterateDeposits(suite.ctx, func(d types.Deposit) bool {
		deposits = append(deposits, d)
		return false
	})
	suite.Require().Equal(15, len(deposits))
}

func (suite *KeeperTestSuite) TestGetSetDeleteClaim() {
	claim := types.NewClaim(sdk.AccAddress("test"), "bnb", sdk.NewCoin("hard", sdk.NewInt(100)), "lp")
	_, f := suite.keeper.GetClaim(suite.ctx, sdk.AccAddress("test"), "bnb", "lp")
	suite.Require().False(f)

	suite.Require().NotPanics(func() { suite.keeper.SetClaim(suite.ctx, claim) })
	testClaim, f := suite.keeper.GetClaim(suite.ctx, sdk.AccAddress("test"), "bnb", "lp")
	suite.Require().True(f)
	suite.Require().Equal(claim, testClaim)

	suite.Require().NotPanics(func() { suite.keeper.DeleteClaim(suite.ctx, claim) })
	_, f = suite.keeper.GetClaim(suite.ctx, sdk.AccAddress("test"), "bnb", "lp")
	suite.Require().False(f)
}

func (suite *KeeperTestSuite) getAccount(addr sdk.AccAddress) authexported.Account {
	ak := suite.app.GetAccountKeeper()
	return ak.GetAccount(suite.ctx, addr)
}

func (suite *KeeperTestSuite) getModuleAccount(name string) supplyexported.ModuleAccountI {
	sk := suite.app.GetSupplyKeeper()
	return sk.GetModuleAccount(suite.ctx, name)
}

func TestKeeperTestSuite(t *testing.T) {
	suite.Run(t, new(KeeperTestSuite))
}