package native_test

import (
	"testing"

	"github.com/nspcc-dev/neo-go/internal/basicchain"
	"github.com/nspcc-dev/neo-go/pkg/config"
	"github.com/nspcc-dev/neo-go/pkg/core/native/nativenames"
	"github.com/nspcc-dev/neo-go/pkg/core/state"
	"github.com/nspcc-dev/neo-go/pkg/neotest"
	"github.com/nspcc-dev/neo-go/pkg/neotest/chain"
	"github.com/nspcc-dev/neo-go/pkg/smartcontract/manifest"
	"github.com/nspcc-dev/neo-go/pkg/smartcontract/nef"
	"github.com/nspcc-dev/neo-go/pkg/util"
	"github.com/nspcc-dev/neo-go/pkg/vm/opcode"
	"github.com/stretchr/testify/require"
)

func TestManagement_GetNEP17Contracts(t *testing.T) {
	t.Run("empty chain", func(t *testing.T) {
		bc, validators, committee := chain.NewMulti(t)
		e := neotest.NewExecutor(t, bc, validators, committee)

		require.ElementsMatch(t, []util.Uint160{e.NativeHash(t, nativenames.Neo),
			e.NativeHash(t, nativenames.Gas)}, bc.GetNEP17Contracts())
	})

	t.Run("basic chain", func(t *testing.T) {
		bc, validators, committee := chain.NewMultiWithCustomConfig(t, func(c *config.Blockchain) {
			c.P2PSigExtensions = true // `basicchain.Init` requires Notary enabled
		})
		e := neotest.NewExecutor(t, bc, validators, committee)
		basicchain.Init(t, "../../../", e)

		require.ElementsMatch(t, []util.Uint160{e.NativeHash(t, nativenames.Neo),
			e.NativeHash(t, nativenames.Gas), e.ContractHash(t, 1)}, bc.GetNEP17Contracts())
	})
}

func TestManagement_DeployUpdate_HFBasilisk(t *testing.T) {
	bc, acc := chain.NewSingleWithCustomConfig(t, func(c *config.Blockchain) {
		c.Hardforks = map[string]uint32{
			config.HFBasilisk.String(): 2,
		}
	})
	e := neotest.NewExecutor(t, bc, acc, acc)

	ne, err := nef.NewFile([]byte{byte(opcode.JMP), 0x05})
	require.NoError(t, err)

	m := &manifest.Manifest{
		Name: "ctr",
		ABI: manifest.ABI{
			Methods: []manifest.Method{
				{
					Name:   "main",
					Offset: 0,
				},
			},
		},
	}
	ctr := &neotest.Contract{

		Hash:     state.CreateContractHash(e.Validator.ScriptHash(), ne.Checksum, m.Name),
		NEF:      ne,
		Manifest: m,
	}

	// Block 1: no script check on deploy.
	e.DeployContract(t, ctr, nil)
	e.AddNewBlock(t)

	// Block 3: script check on deploy.
	ctr.Manifest.Name = "other name"
	e.DeployContractCheckFAULT(t, ctr, nil, "invalid contract script: invalid offset 5 ip at 0")
}