package simulation_test

import (
	"fmt"
	"testing"
	"time"

	"github.com/stretchr/testify/require"

	"cosmossdk.io/x/slashing"
	"cosmossdk.io/x/slashing/simulation"
	"cosmossdk.io/x/slashing/types"

	addresscodec "github.com/cosmos/cosmos-sdk/codec/address"
	codectestutil "github.com/cosmos/cosmos-sdk/codec/testutil"
	"github.com/cosmos/cosmos-sdk/crypto/keys/ed25519"
	sdk "github.com/cosmos/cosmos-sdk/types"
	"github.com/cosmos/cosmos-sdk/types/kv"
	moduletestutil "github.com/cosmos/cosmos-sdk/types/module/testutil"
)

var (
	delPk1    = ed25519.GenPrivKey().PubKey()
	consAddr1 = sdk.ConsAddress(delPk1.Address().Bytes())
)

func TestDecodeStore(t *testing.T) {
	encodingConfig := moduletestutil.MakeTestEncodingConfig(codectestutil.CodecOptions{}, slashing.AppModule{})
	cdc := encodingConfig.Codec
	dec := simulation.NewDecodeStore(cdc)

	consAddrStr1, err := addresscodec.NewBech32Codec("cosmosvalcons").BytesToString(consAddr1)
	require.NoError(t, err)

	info := types.NewValidatorSigningInfo(consAddrStr1, 0, time.Now().UTC(), false, 0)

	kvPairs := kv.Pairs{
		Pairs: []kv.Pair{
			{Key: types.ValidatorSigningInfoKey(consAddr1), Value: cdc.MustMarshal(&info)},
			{Key: []byte{0x99}, Value: []byte{0x99}}, // This test should panic
		},
	}

	tests := []struct {
		name        string
		expectedLog string
		panics      bool
	}{
		{"ValidatorSigningInfo", fmt.Sprintf("%v\n%v", info, info), false},
		{"other", "", true},
	}
	for i, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			if tt.panics {
				require.Panics(t, func() { dec(kvPairs.Pairs[i], kvPairs.Pairs[i]) }, tt.name)
			} else {
				require.Contains(t, dec(kvPairs.Pairs[i], kvPairs.Pairs[i]), tt.expectedLog, tt.name)
			}
		})
	}
}