package blockchain

import (
	"context"
	"encoding/hex"
	"fmt"
	"ktogame/contractgo/Collect"
	"ktogame/controller"
	"ktogame/dbUtil"
	"ktogame/models"
	"os"
	"strings"
	"time"

	"github.com/astaxie/beego"
	"github.com/astaxie/beego/logs"
	"github.com/ethereum/go-ethereum/accounts/abi"

	utilAddress "github.com/korthochain/korthochain/pkg/address"
	"github.com/korthochain/korthochain/pkg/block"
	pb "github.com/korthochain/korthochain/pkg/server/grpcserver/message"
	"github.com/korthochain/korthochain/pkg/transaction"
	"google.golang.org/grpc"
)

var ktoClient pb.GreeterClient
var ktoRpc = beego.AppConfig.String("miner_node")
var currentBlock uint64

var TopsMap map[string]string

func init() {
	kc, err := grpc.Dial(ktoRpc, grpc.WithInsecure(), grpc.WithBlock())
	if err != nil {
		logs.Error(err)
		os.Exit(1)
	}
	ktoClient = pb.NewGreeterClient(kc)
	utilAddress.SetNetWork("mainnet")

	tm := make(map[string]string, 0)
	tm[TOPIC_PARTICIPATE] = COLLECT_PARTICIPATE
	tm[TOPIC_CLAIM] = COLLECT_CLAIMREWARDS

	TopsMap = tm

	go scanBlock()
	go confirmClaimedTxs()
}

func scanBlock() {
	logs.Info("scanBlock...")
	var bi models.BlockInfo
	ok, err := dbUtil.Engine.Id(1).Get(&bi)
	if err != nil {
		fmt.Println("获取最新快高错误=", err)
		return
	}
	if !ok {
		fmt.Println("获取最新快高失败!")
		return
	}
	currentBlock = uint64(bi.BlockNumber) + 1
	logs.Info("currentBlock===", currentBlock)
	for {
		time.Sleep(time.Second * 3)

		res, err := ktoClient.GetMaxBlockHeight(context.Background(), &pb.ReqMaxBlockHeight{})
		if err != nil {
			logs.Error("获取交易block number错误=", err)
			continue
		}
		logs.Info("currentBlock:", currentBlock, "chainblock:", res.MaxHeight)
		if res.MaxHeight+1 == currentBlock {
			continue
		}
		if res.MaxHeight+1 < currentBlock {
			currentBlock = res.MaxHeight
		}

		bl, err := ktoClient.GetBlockByNum(context.Background(), &pb.ReqBlockByNumber{Height: currentBlock})
		if err != nil || bl.Code != 0 {
			logs.Error("获取交易block错误=", err)
			continue
		}
		blc, errs := block.Deserialize(bl.Data)
		if errs != nil {
			logs.Error("解析blcock错误=", errs)
			continue
		}
		var ERR error
		for _, v := range blc.Transactions {
			if len(v.Input) == 0 {
				continue
			}
			evm, err := transaction.DecodeEvmData(v.Input)
			if err != nil {
				logs.Error(err)
				ERR = err
				break
			}
			if len(evm.Logs) == 0 {
				continue
			}
			for _, l := range evm.Logs {
				th := l.Topics[0].Hex()
				method := TopsMap[th]
				contract := l.Address.String()
				if contract == COLLECTCONTRACT {
					if method == COLLECT_PARTICIPATE {
						var ev EventParticipate
						abi, err := abi.JSON(strings.NewReader(Collect.CollectMetaData.ABI))
						if err != nil {
							logs.Error(err)
							ERR = err
							break
						}

						err = abi.UnpackIntoInterface(&ev, method, l.Data)
						if err != nil {
							logs.Error(err)
							ERR = err
							break
						}
						logs.Info("participate data:", ev.Participant.String(), ev.Inviter.String(), v.HashToString(), float64(ev.Amount.Uint64()/controller.Decimals))
						//handle user participate
						err = participate(ev.Participant.String(), ev.Inviter.String(), v.HashToString(), float64(PARTICIPATEVALUE))
						if err != nil {
							logs.Error(err)
							ERR = err
							break
						}
					} else if method == COLLECT_CLAIMREWARDS {
						var evt EventClaim
						abi, err := abi.JSON(strings.NewReader(Collect.CollectMetaData.ABI))
						if err != nil {
							logs.Error(err)
							ERR = err
							break
						}
						err = abi.UnpackIntoInterface(&evt, method, l.Data)
						if err != nil {
							logs.Error(err)
							ERR = err
							break
						}
						fmt.Printf("claim event data=%+v\n ", evt)

						var bts []byte
						for _, b := range evt.Signature {
							bts = append(bts, b)
						}

						err = checkClaim(dbUtil.Engine, evt.User.String(), "0x"+v.HashToString(), int64(v.BlockNum),
							float64(evt.Amount.Uint64())/controller.Decimals, hex.EncodeToString(bts))
						if err != nil {
							logs.Error(err)
							ERR = err
							break
						}
					}
				}

			}
			if ERR != nil {
				logs.Error(err)
				break
			}
		}
		if ERR != nil {
			logs.Error("处理错误=", ERR)
			continue
		}
		bi.BlockNumber = int64(currentBlock)
		_, err = dbUtil.Engine.ID(1).Update(&bi)
		if err != nil {
			logs.Error("更新最新快高错误=", err)
			return
		}
		currentBlock++
	}
}

func confirmClaimedTxs() {
	for {
		time.Sleep(time.Second * 5)
		var txs []models.ClaimedTxs
		err := dbUtil.Engine.Where("state = ?", 0).Where("droped = ?", 0).Find(&txs)
		if err != nil {
			logs.Error(err)
			continue
		}
		logs.Info("confirmClaimedTxs get unconfirmed tx num: %v", len(txs))
		for _, tx := range txs {
			loc, _ := time.LoadLocation("Local")
			formatTime, err := time.ParseInLocation(TimeLayout, tx.CreateTime, loc)
			if err != nil {
				logs.Error("confirmClaimedTxs:", err)
			}
			if formatTime.Unix()+CONFIRMINTERVAL < time.Now().Unix() {
				var ui models.UserInfo
				_, err := dbUtil.Engine.Id(tx.Hash).Get(&ui)
				if err != nil {
					logs.Error("confirmClaimedTxs:", err)
					continue
				}
				logs.Info("confirmClaimedTxs mark claimed tx droped,addr:%v,hash:%v,amount:%v", tx.Addr, tx.Hash, tx.Amount)
				ui.AvailableClaim += tx.Amount
				ui.TotalClaimed -= tx.Amount
				_, err = dbUtil.Engine.ID(tx.Addr).Cols("available_claim,total_claimed").Update(&ui)
				if err != nil {
					logs.Error("confirmClaimedTxs:", err)
					continue
				}

				tx.Droped = 1
				_, err = dbUtil.Engine.ID(tx.Hash).Cols("droped").Update(&tx)
				if err != nil {
					logs.Error("confirmClaimedTxs:", err)
					continue
				}
			}
		}
	}
}