device_definition_on_chain_service.go

//nolint:tagliatelle
package gateways

import (
	"context"
	"encoding/json"
	"fmt"
	"math/big"
	"net/http"
	"net/url"
	"path"
	"strings"

	"github.com/DIMO-Network/device-definitions-api/internal/config"
	"github.com/DIMO-Network/device-definitions-api/internal/contracts"
	"github.com/DIMO-Network/device-definitions-api/internal/infrastructure/db/models"
	"github.com/DIMO-Network/device-definitions-api/internal/infrastructure/sender"
	"github.com/ethereum/go-ethereum/accounts/abi/bind"
	"github.com/ethereum/go-ethereum/common"
	eth_types "github.com/ethereum/go-ethereum/core/types"
	"github.com/ethereum/go-ethereum/ethclient"
	"github.com/rs/zerolog"
	"github.com/volatiletech/null/v8"
	"github.com/volatiletech/sqlboiler/v4/types"
)

//go:generate mockgen -source device_definition_on_chain_service.go -destination mocks/device_definition_on_chain_service_mock.go -package mocks
type DeviceDefinitionOnChainService interface {
	GetDeviceDefinitionByID(ctx context.Context, manufacturerID types.NullDecimal, ID string) (*models.DeviceDefinition, error)
	GetDeviceDefinitions(ctx context.Context, manufacturerID types.NullDecimal, ID string, model string, year int, pageIndex, pageSize int32) ([]*models.DeviceDefinition, error)
	CreateOrUpdate(ctx context.Context, make models.DeviceMake, dd models.DeviceDefinition) (*string, error)
}

type deviceDefinitionOnChainService struct {
	Settings *config.Settings
	Logger   *zerolog.Logger
	client   *ethclient.Client
	sender   sender.Sender
	chainID  *big.Int
}

func NewDeviceDefinitionOnChainService(settings *config.Settings, logger *zerolog.Logger, client *ethclient.Client, chainID *big.Int, sender sender.Sender) DeviceDefinitionOnChainService {
	return &deviceDefinitionOnChainService{
		Settings: settings,
		Logger:   logger,
		client:   client,
		chainID:  chainID,
		sender:   sender,
	}
}

func (e *deviceDefinitionOnChainService) GetDeviceDefinitionByID(ctx context.Context, manufacturerID types.NullDecimal, ID string) (*models.DeviceDefinition, error) {
	if manufacturerID.IsZero() {
		return nil, fmt.Errorf("manufacturerID has not value")
	}

	contractAddress := common.HexToAddress(e.Settings.EthereumRegistryAddress)
	queryInstance, err := contracts.NewRegistry(contractAddress, e.client)
	if err != nil {
		return nil, fmt.Errorf("failed create NewRegistry: %w", err)
	}

	bigManufID := manufacturerID.Big.Int(new(big.Int))
	tableName, err := queryInstance.GetDeviceDefinitionTableName(&bind.CallOpts{Context: ctx, Pending: true}, bigManufID)
	if err != nil {
		e.Logger.Info().Msgf("%s", err)
		return nil, fmt.Errorf("failed get GetDeviceDefinitionTableName: %w", err)
	}

	statement := fmt.Sprintf("SELECT * FROM %s WHERE id = '%s'", tableName, ID)
	queryParams := map[string]string{
		"statement": statement,
	}
	var modelTableland []DeviceDefinitionTablelandModel

	if err := e.QueryTableland(queryParams, &modelTableland); err != nil {
		return nil, err
	}

	if len(modelTableland) > 0 {
		return transformToDefinition(modelTableland[0]), nil
	}

	return nil, nil
}

func transformToDefinition(item DeviceDefinitionTablelandModel) *models.DeviceDefinition {
	data := &models.DeviceDefinition{
		ID:    item.ID,
		Year:  item.Year,
		Model: item.Model,
	}

	if item.Metadata.DeviceAttributes != nil && len(item.Metadata.DeviceAttributes) > 0 {
		deviceTypeInfo := make(map[string]interface{})
		metaData := make(map[string]interface{})

		for _, attr := range item.Metadata.DeviceAttributes {
			metaData[attr.Name] = attr.Value
		}

		deviceTypeInfo["vehicle_info"] = metaData
		j, err := json.Marshal(deviceTypeInfo)
		if err == nil {
			data.Metadata = null.JSONFrom(j)
		}
	}

	return data
}

func (e *deviceDefinitionOnChainService) GetDeviceDefinitions(ctx context.Context, manufacturerID types.NullDecimal, ID string, model string, year int, pageIndex, pageSize int32) ([]*models.DeviceDefinition, error) {
	if manufacturerID.IsZero() {
		return nil, fmt.Errorf("manufacturerID has not value")
	}

	contractAddress := common.HexToAddress(e.Settings.EthereumRegistryAddress)
	fromAddress := e.sender.Address()
	queryInstance, err := contracts.NewRegistry(contractAddress, e.client)
	if err != nil {
		return nil, fmt.Errorf("failed create NewRegistry: %w", err)
	}

	bigManufID := manufacturerID.Big.Int(new(big.Int))
	tableName, err := queryInstance.GetDeviceDefinitionTableName(&bind.CallOpts{Context: ctx, Pending: true, From: fromAddress}, bigManufID)
	if err != nil {
		e.Logger.Info().Msgf("%s", err)
		return nil, fmt.Errorf("failed get GetDeviceDefinitionTableName: %w", err)
	}

	var conditions []string
	if year > 1980 && year < 2999 {
		conditions = append(conditions, fmt.Sprintf("year = %d", year))
	}
	if len(model) > 0 {
		conditions = append(conditions, fmt.Sprintf("model = '%s'", model))
	}
	if len(ID) > 0 {
		conditions = append(conditions, fmt.Sprintf("id = '%s'", ID))
	}

	whereClause := strings.Join(conditions, " AND ")
	if whereClause != "" {
		whereClause = " WHERE " + whereClause
	}

	statement := fmt.Sprintf("SELECT * FROM %s%s LIMIT %d OFFSET %d", tableName, whereClause, pageSize, pageIndex)

	queryParams := map[string]string{
		"statement": statement,
	}

	var modelTableland []DeviceDefinitionTablelandModel
	if err := e.QueryTableland(queryParams, &modelTableland); err != nil {
		return nil, err
	}

	result := make([]*models.DeviceDefinition, len(modelTableland))
	for i, item := range modelTableland {
		result[i] = transformToDefinition(item)
	}

	return result, nil
}

func (e *deviceDefinitionOnChainService) QueryTableland(queryParams map[string]string, result interface{}) error {
	fullURL, err := url.Parse(e.Settings.TablelandAPIGateway)
	if err != nil {
		return err
	}

	fullURL.Path = path.Join(fullURL.Path, "api/v1/query")

	if queryParams != nil {
		values := fullURL.Query()
		for key, value := range queryParams {
			values.Set(key, value)
		}
		fullURL.RawQuery = values.Encode()
	}

	resp, err := http.Get(fullURL.String())
	if err != nil {
		return err
	}
	defer resp.Body.Close()

	fmt.Print(resp.Body)

	if err := json.NewDecoder(resp.Body).Decode(result); err != nil {
		return err
	}

	return nil
}

func (e *deviceDefinitionOnChainService) CreateOrUpdate(ctx context.Context, make models.DeviceMake, dd models.DeviceDefinition) (*string, error) {

	if !e.Settings.EthereumSendTransaction {
		return nil, nil
	}

	contractAddress := common.HexToAddress(e.Settings.EthereumRegistryAddress)
	fromAddress := e.sender.Address()

	nonce, err := e.client.PendingNonceAt(ctx, fromAddress)
	if err != nil {
		return nil, fmt.Errorf("failed get PendingNonceAt: %w", err)
	}

	gasPrice, err := e.client.SuggestGasPrice(ctx)
	if err != nil {
		return nil, fmt.Errorf("failed get SuggestGasPrice: %w", err)
	}

	bump := big.NewInt(20)
	bumpedPrice := getGasPrice(gasPrice, bump)

	fmt.Printf("GasPrice => %s Bumped Price=> %s", gasPrice, bumpedPrice)

	auth, err := NewKeyedTransactorWithChainID(ctx, e.sender, e.chainID)
	if err != nil {
		return nil, fmt.Errorf("failed get NewKeyedTransactorWithChainID: %w", err)
	}
	//auth.Value = big.NewInt(0)
	auth.Nonce = big.NewInt(int64(nonce))
	auth.GasLimit = uint64(300000)
	auth.GasPrice = bumpedPrice
	auth.From = fromAddress

	queryInstance, err := contracts.NewRegistry(contractAddress, e.client)
	if err != nil {
		return nil, fmt.Errorf("failed create NewRegistry: %w", err)
	}

	// Validate if manufacturer exists
	bigManufID, err := queryInstance.GetManufacturerIdByName(&bind.CallOpts{Context: ctx, Pending: true}, make.Name)
	if err != nil {
		e.Logger.Info().Msgf("%s", err)
		return nil, fmt.Errorf("failed get GetManufacturerNameById => %s: %w", make.Name, err)
	}
	instance, err := contracts.NewRegistryTransactor(contractAddress, e.client)
	if err != nil {
		return nil, fmt.Errorf("failed create NewRegistryTransactor: %w", err)
	}

	deviceInputs := contracts.DeviceDefinitionInput{
		Id:         dd.NameSlug,
		Model:      dd.ModelSlug,
		Year:       big.NewInt(int64(dd.Year)),
		Metadata:   "",
		Ksuid:      dd.ID,
		DeviceType: "vehicle",
	}

	if make.LogoURL.Valid && len(make.LogoURL.String) > 0 {
		deviceInputs.ImageURI = make.LogoURL.String
	}

	if dd.Metadata.Valid {
		attributes := GetDeviceAttributesTyped(dd.Metadata, "vehicle_info")
		type deviceAttributes struct {
			DeviceAttributes []DeviceTypeAttribute `json:"device_attributes"`
		}
		deviceAttributesStruct := deviceAttributes{
			DeviceAttributes: attributes,
		}
		jsonData, _ := json.Marshal(deviceAttributesStruct)
		deviceInputs.Metadata = string(jsonData)
	}

	jsonBytes, err := json.MarshalIndent(deviceInputs, "", "    ")
	if err != nil {
		fmt.Println("Error converting to JSON => ", err)
	}

	fmt.Println("InsertDeviceDefinition => ", string(jsonBytes))

	tx, err := instance.InsertDeviceDefinition(auth, bigManufID, deviceInputs)

	if err != nil {
		e.Logger.Info().Msgf("%s", err)
		return nil, fmt.Errorf("failed insert InsertDeviceDefinitionBatch: %w", err)
	}

	trx := tx.Hash().Hex()

	return &trx, nil
}

func getGasPrice(price *big.Int, bump *big.Int) *big.Int {
	// Calculating the bumped gas price
	bumpAmount := new(big.Int).Mul(price, bump)
	bumpAmount.Div(bumpAmount, big.NewInt(100))
	bumpedPrice := new(big.Int).Add(bumpAmount, price)

	return bumpedPrice
}

func NewKeyedTransactorWithChainID(context context.Context, send sender.Sender, chainID *big.Int) (*bind.TransactOpts, error) {
	signer := eth_types.LatestSignerForChainID(chainID)
	return &bind.TransactOpts{
		From: send.Address(),
		Signer: func(_ common.Address, tx *eth_types.Transaction) (*eth_types.Transaction, error) {
			signature, err := send.Sign(context, signer.Hash(tx))
			if err != nil {
				return nil, err
			}
			return tx.WithSignature(signer, signature)
		},
		Context: context,
	}, nil
}

func GetDeviceAttributesTyped(metadata null.JSON, key string) []DeviceTypeAttribute {
	var respAttrs []DeviceTypeAttribute
	var ai map[string]any
	if err := metadata.Unmarshal(&ai); err == nil {
		if ai != nil {
			if a, ok := ai[key]; ok && a != nil {
				attributes := ai[key].(map[string]any)
				for key, value := range attributes {
					respAttrs = append(respAttrs, DeviceTypeAttribute{
						Name:  key,
						Value: fmt.Sprint(value),
					})
				}
			}
		}
	}
	return respAttrs
}

type DeviceTypeAttribute struct {
	Name  string `json:"name"`
	Value string `json:"value"`
}

type DeviceDefinitionTablelandModel struct {
	ID       string `json:"id"`
	KSUID    string `json:"ksuid"`
	Model    string `json:"model"`
	Year     int16  `json:"year"`
	Metadata struct {
		DeviceAttributes []struct {
			Name  string `json:"name"`
			Value string `json:"value,omitempty"`
		} `json:"device_attributes"`
	} `json:"metadata"`
}