package v2_test

import (
	"testing"
	"time"

	"github.com/stretchr/testify/require"

	storetypes "cosmossdk.io/store/types"

	codectypes "git.cw.tr/mukan-network/mukan-sdk/codec/types"
	"git.cw.tr/mukan-network/mukan-sdk/crypto/keys/ed25519"
	"git.cw.tr/mukan-network/mukan-sdk/runtime"
	"git.cw.tr/mukan-network/mukan-sdk/testutil"
	sdk "git.cw.tr/mukan-network/mukan-sdk/types"
	moduletestutil "git.cw.tr/mukan-network/mukan-sdk/types/module/testutil"
	"git.cw.tr/mukan-network/mukan-sdk/x/authz"
	v2 "git.cw.tr/mukan-network/mukan-sdk/x/authz/migrations/v2"
	authzmodule "git.cw.tr/mukan-network/mukan-sdk/x/authz/module"
	"git.cw.tr/mukan-network/mukan-sdk/x/bank"
	banktypes "git.cw.tr/mukan-network/mukan-sdk/x/bank/types"
	govtypes "git.cw.tr/mukan-network/mukan-sdk/x/gov/types/v1beta1"
)

func TestMigration(t *testing.T) {
	encodingConfig := moduletestutil.MakeTestEncodingConfig(authzmodule.AppModuleBasic{}, bank.AppModuleBasic{})
	cdc := encodingConfig.Codec

	authzKey := storetypes.NewKVStoreKey("authz")
	ctx := testutil.DefaultContext(authzKey, storetypes.NewTransientStoreKey("transient_test"))
	granter1 := sdk.AccAddress(ed25519.GenPrivKey().PubKey().Address())
	grantee1 := sdk.AccAddress(ed25519.GenPrivKey().PubKey().Address())
	granter2 := sdk.AccAddress(ed25519.GenPrivKey().PubKey().Address())
	grantee2 := sdk.AccAddress(ed25519.GenPrivKey().PubKey().Address())

	sendMsgType := banktypes.SendAuthorization{}.MsgTypeURL()
	genericMsgType := sdk.MsgTypeURL(&govtypes.MsgVote{})
	coins100 := sdk.NewCoins(sdk.NewInt64Coin("atom", 100))
	blockTime := ctx.BlockTime()
	oneDay := blockTime.AddDate(0, 0, 1)
	oneYear := blockTime.AddDate(1, 0, 0)
	sendAuthz := banktypes.NewSendAuthorization(coins100, nil)

	grants := []struct {
		granter       sdk.AccAddress
		grantee       sdk.AccAddress
		msgType       string
		authorization func() authz.Grant
	}{
		{
			granter1,
			grantee1,
			sendMsgType,
			func() authz.Grant {
				cdcAny, err := codectypes.NewAnyWithValue(sendAuthz)
				require.NoError(t, err)
				return authz.Grant{
					Authorization: cdcAny,
					Expiration:    &oneDay,
				}
			},
		},
		{
			granter1,
			grantee2,
			sendMsgType,
			func() authz.Grant {
				cdcAny, err := codectypes.NewAnyWithValue(sendAuthz)
				require.NoError(t, err)
				return authz.Grant{
					Authorization: cdcAny,
					Expiration:    &oneDay,
				}
			},
		},
		{
			granter2,
			grantee1,
			genericMsgType,
			func() authz.Grant {
				cdcAny, err := codectypes.NewAnyWithValue(authz.NewGenericAuthorization(genericMsgType))
				require.NoError(t, err)
				return authz.Grant{
					Authorization: cdcAny,
					Expiration:    &oneYear,
				}
			},
		},
		{
			granter2,
			grantee2,
			genericMsgType,
			func() authz.Grant {
				cdcAny, err := codectypes.NewAnyWithValue(authz.NewGenericAuthorization(genericMsgType))
				require.NoError(t, err)
				return authz.Grant{
					Authorization: cdcAny,
					Expiration:    &blockTime,
				}
			},
		},
	}

	storeService := runtime.NewKVStoreService(authzKey)
	store := storeService.OpenKVStore(ctx)

	for _, g := range grants {
		grant := g.authorization()
		require.NoError(t, store.Set(v2.GrantStoreKey(g.grantee, g.granter, g.msgType), cdc.MustMarshal(&grant)))
	}

	ctx = ctx.WithBlockTime(ctx.BlockTime().Add(1 * time.Hour))
	require.NoError(t, v2.MigrateStore(ctx, storeService, cdc))

	bz, err := store.Get(v2.GrantStoreKey(grantee1, granter2, genericMsgType))
	require.NoError(t, err)
	require.NotNil(t, bz)

	bz, err = store.Get(v2.GrantStoreKey(grantee1, granter1, sendMsgType))
	require.NoError(t, err)
	require.NotNil(t, bz)

	bz, err = store.Get(v2.GrantStoreKey(grantee2, granter2, genericMsgType))
	require.NoError(t, err)
	require.Nil(t, bz)
}