Yimaru-BackEnd/internal/services/result/eval.go
2025-05-30 01:12:08 +03:00

1026 lines
38 KiB
Go

package result
import (
"fmt"
"strconv"
"strings"
"github.com/SamuelTariku/FortuneBet-Backend/internal/domain"
)
// Football evaluations
// Full Time Result betting is a type of bet where the bettor predicts the outcome of a match at the end of the full 90 minutes of play.
func evaluateFullTimeResult(outcome domain.BetOutcome, score struct{ Home, Away int }) (domain.OutcomeStatus, error) {
switch outcome.OddName {
case "1": // Home win
if score.Home > score.Away {
return domain.OUTCOME_STATUS_WIN, nil
}
return domain.OUTCOME_STATUS_LOSS, nil
case "Draw":
if score.Home == score.Away {
return domain.OUTCOME_STATUS_WIN, nil
}
return domain.OUTCOME_STATUS_LOSS, nil
case "2": // Away win
if score.Away > score.Home {
return domain.OUTCOME_STATUS_WIN, nil
}
return domain.OUTCOME_STATUS_LOSS, nil
default:
return domain.OUTCOME_STATUS_ERROR, fmt.Errorf("invalid odd name: %s", outcome.OddName)
}
}
// Over/Under betting is a type of bet where the bettor predicts whether the total number of goals scored in a match will be over or under a specified number.
func evaluateGoalsOverUnder(outcome domain.BetOutcome, score struct{ Home, Away int }) (domain.OutcomeStatus, error) {
totalGoals := float64(score.Home + score.Away)
threshold, err := strconv.ParseFloat(outcome.OddName, 64)
if err != nil {
return domain.OUTCOME_STATUS_ERROR, fmt.Errorf("invalid threshold: %s", outcome.OddName)
}
if outcome.OddHeader == "Over" {
if totalGoals > threshold {
return domain.OUTCOME_STATUS_WIN, nil
} else if totalGoals == threshold {
return domain.OUTCOME_STATUS_VOID, nil
}
return domain.OUTCOME_STATUS_LOSS, nil
} else if outcome.OddHeader == "Under" {
if totalGoals < threshold {
return domain.OUTCOME_STATUS_WIN, nil
} else if totalGoals == threshold {
return domain.OUTCOME_STATUS_VOID, nil
}
return domain.OUTCOME_STATUS_LOSS, nil
}
return domain.OUTCOME_STATUS_ERROR, fmt.Errorf("invalid odd header: %s", outcome.OddHeader)
}
// Correct Score betting is a type of bet where the bettor predicts the exact final score of a match.
func evaluateCorrectScore(outcome domain.BetOutcome, score struct{ Home, Away int }) (domain.OutcomeStatus, error) {
expectedScore := fmt.Sprintf("%d-%d", score.Home, score.Away)
if outcome.OddName == expectedScore {
return domain.OUTCOME_STATUS_WIN, nil
}
return domain.OUTCOME_STATUS_LOSS, nil
}
// Half Time Result betting is a type of bet where the bettor predicts the outcome of a match at the end of the first half.
// This is the same as the full time result but only for the first half of the game
func evaluateHalfTimeResult(outcome domain.BetOutcome, score struct{ Home, Away int }) (domain.OutcomeStatus, error) {
return evaluateFullTimeResult(outcome, score)
}
// This is a multiple outcome checker for the asian handicap and other kinds of bets
// The only outcome that are allowed are "Both Bets win", "Both Bets Lose", "Half Win and Half Void"
func checkMultiOutcome(outcome domain.OutcomeStatus, secondOutcome domain.OutcomeStatus) (domain.OutcomeStatus, error) {
if secondOutcome == domain.OUTCOME_STATUS_PENDING {
return domain.OUTCOME_STATUS_ERROR, fmt.Errorf("cannot check pending outcome")
}
if outcome == domain.OUTCOME_STATUS_ERROR || secondOutcome == domain.OUTCOME_STATUS_ERROR {
return domain.OUTCOME_STATUS_ERROR, fmt.Errorf("❌ mutli outcome: %v -> %v \n", outcome.String(), secondOutcome.String())
}
// fmt.Printf("| Multi Outcome | %v -> %v \n", outcome.String(), secondOutcome.String())
switch outcome {
case domain.OUTCOME_STATUS_PENDING:
return secondOutcome, nil
case domain.OUTCOME_STATUS_WIN:
if secondOutcome == domain.OUTCOME_STATUS_WIN {
return domain.OUTCOME_STATUS_WIN, nil
} else if secondOutcome == domain.OUTCOME_STATUS_LOSS {
return domain.OUTCOME_STATUS_LOSS, nil
} else if secondOutcome == domain.OUTCOME_STATUS_HALF {
return domain.OUTCOME_STATUS_VOID, nil
} else if secondOutcome == domain.OUTCOME_STATUS_VOID {
return domain.OUTCOME_STATUS_HALF, nil
} else {
fmt.Printf("❌ multi outcome: %v -> %v \n", outcome.String(), secondOutcome.String())
return domain.OUTCOME_STATUS_ERROR, fmt.Errorf("invalid multi outcome")
}
case domain.OUTCOME_STATUS_LOSS:
if secondOutcome == domain.OUTCOME_STATUS_LOSS ||
secondOutcome == domain.OUTCOME_STATUS_WIN ||
secondOutcome == domain.OUTCOME_STATUS_HALF {
return domain.OUTCOME_STATUS_LOSS, nil
} else if secondOutcome == domain.OUTCOME_STATUS_VOID {
return domain.OUTCOME_STATUS_VOID, nil
} else {
fmt.Printf("❌ multi outcome: %v -> %v \n", outcome.String(), secondOutcome.String())
return domain.OUTCOME_STATUS_ERROR, fmt.Errorf("invalid multi outcome")
}
case domain.OUTCOME_STATUS_VOID:
if secondOutcome == domain.OUTCOME_STATUS_WIN || secondOutcome == domain.OUTCOME_STATUS_LOSS {
return domain.OUTCOME_STATUS_VOID, nil
} else if secondOutcome == domain.OUTCOME_STATUS_VOID || secondOutcome == domain.OUTCOME_STATUS_HALF {
return domain.OUTCOME_STATUS_VOID, nil
} else {
fmt.Printf("❌ multi outcome: %v -> %v \n", outcome.String(), secondOutcome.String())
return domain.OUTCOME_STATUS_ERROR, fmt.Errorf("invalid multi outcome")
}
case domain.OUTCOME_STATUS_HALF:
if secondOutcome == domain.OUTCOME_STATUS_WIN || secondOutcome == domain.OUTCOME_STATUS_HALF {
return domain.OUTCOME_STATUS_VOID, nil
} else if secondOutcome == domain.OUTCOME_STATUS_LOSS {
return domain.OUTCOME_STATUS_LOSS, nil
} else if secondOutcome == domain.OUTCOME_STATUS_VOID {
return domain.OUTCOME_STATUS_VOID, nil
} else {
fmt.Printf("❌ multi outcome: %v -> %v \n", outcome.String(), secondOutcome.String())
return domain.OUTCOME_STATUS_ERROR, fmt.Errorf("invalid multi outcome")
}
default:
fmt.Printf("❌ multi outcome: %v -> %v \n", outcome.String(), secondOutcome.String())
return domain.OUTCOME_STATUS_ERROR, fmt.Errorf("invalid multi outcome")
}
}
// Asian Handicap betting is a type of betting that eliminates the possibility of a draw by giving one team a virtual advantage or disadvantage.
// When the handicap has two values like "+0.5, +1.0" or "-0.5, -1.0", then it a multi outcome bet
// .
//
// {
// "id": "548319135",
// "odds": "1.750",
// "header": "1",
// "handicap": "+0.5, +1.0"
// },
//
// {
// "id": "548319139",
// "odds": "1.950",
// "header": "2",
// "handicap": "-0.5, -1.0"
// }
func evaluateAsianHandicap(outcome domain.BetOutcome, score struct{ Home, Away int }) (domain.OutcomeStatus, error) {
handicapList := strings.Split(outcome.OddHandicap, ",")
newOutcome := domain.OUTCOME_STATUS_PENDING
for _, handicapStr := range handicapList {
handicapStr = strings.TrimSpace(handicapStr)
handicap, err := strconv.ParseFloat(handicapStr, 64)
if err != nil {
return domain.OUTCOME_STATUS_ERROR, fmt.Errorf("invalid handicap: %s", outcome.OddHandicap)
}
adjustedHomeScore := float64(score.Home)
adjustedAwayScore := float64(score.Away)
if outcome.OddHeader == "1" { // Home team
adjustedHomeScore += handicap
} else if outcome.OddHeader == "2" { // Away team
adjustedAwayScore += handicap
} else {
return domain.OUTCOME_STATUS_ERROR, fmt.Errorf("invalid odd header: %s", outcome.OddHeader)
}
if adjustedHomeScore > adjustedAwayScore {
if outcome.OddHeader == "1" {
newOutcome, err = checkMultiOutcome(newOutcome, domain.OUTCOME_STATUS_WIN)
if err != nil {
return domain.OUTCOME_STATUS_ERROR, err
}
} else {
newOutcome, err = checkMultiOutcome(newOutcome, domain.OUTCOME_STATUS_LOSS)
if err != nil {
fmt.Printf("multi outcome check error")
return domain.OUTCOME_STATUS_PENDING, err
}
}
} else if adjustedHomeScore < adjustedAwayScore {
if outcome.OddHeader == "2" {
newOutcome, err = checkMultiOutcome(newOutcome, domain.OUTCOME_STATUS_WIN)
if err != nil {
return domain.OUTCOME_STATUS_ERROR, err
}
} else {
newOutcome, err = checkMultiOutcome(newOutcome, domain.OUTCOME_STATUS_LOSS)
if err != nil {
fmt.Printf("multi outcome check error")
return domain.OUTCOME_STATUS_PENDING, err
}
}
}
if newOutcome == domain.OUTCOME_STATUS_PENDING {
newOutcome, err = checkMultiOutcome(newOutcome, domain.OUTCOME_STATUS_VOID)
if err != nil {
fmt.Printf("multi outcome check error")
return domain.OUTCOME_STATUS_PENDING, err
}
}
}
return newOutcome, nil
}
// Goal Line betting, also known as Over/Under betting,
// involves predicting the total number of goals scored in a match, regardless of which team wins.
//
// {
// "id": "548319141",
// "odds": "1.800",
// "header": "Over",
// "name": "1.5, 2.0"
// },
//
// {
// "id": "548319146",
// "odds": "1.900",
// "header": "Under",
// "name": "1.5, 2.0"
// }
func evaluateGoalLine(outcome domain.BetOutcome, score struct{ Home, Away int }) (domain.OutcomeStatus, error) {
totalGoals := float64(score.Home + score.Away)
thresholdList := strings.Split(outcome.OddName, ",")
newOutcome := domain.OUTCOME_STATUS_PENDING
for _, thresholdStr := range thresholdList {
thresholdStr = strings.TrimSpace(thresholdStr)
threshold, err := strconv.ParseFloat(thresholdStr, 64)
if err != nil {
return domain.OUTCOME_STATUS_ERROR, fmt.Errorf("invalid threshold: '%s', %v", thresholdStr, err)
}
oddHeader := strings.TrimSpace(outcome.OddHeader)
if oddHeader == "Over" {
if totalGoals > threshold {
newOutcome, err = checkMultiOutcome(newOutcome, domain.OUTCOME_STATUS_WIN)
if err != nil {
return domain.OUTCOME_STATUS_ERROR, err
}
} else if totalGoals == threshold {
newOutcome, err = checkMultiOutcome(newOutcome, domain.OUTCOME_STATUS_VOID)
if err != nil {
return domain.OUTCOME_STATUS_ERROR, err
}
}
newOutcome, err = checkMultiOutcome(newOutcome, domain.OUTCOME_STATUS_LOSS)
if err != nil {
return domain.OUTCOME_STATUS_ERROR, err
}
} else if oddHeader == "Under" {
if totalGoals < threshold {
newOutcome, err = checkMultiOutcome(newOutcome, domain.OUTCOME_STATUS_WIN)
if err != nil {
return domain.OUTCOME_STATUS_ERROR, err
}
} else if totalGoals == threshold {
newOutcome, err = checkMultiOutcome(newOutcome, domain.OUTCOME_STATUS_VOID)
if err != nil {
return domain.OUTCOME_STATUS_ERROR, err
}
}
newOutcome, err = checkMultiOutcome(newOutcome, domain.OUTCOME_STATUS_LOSS)
if err != nil {
return domain.OUTCOME_STATUS_ERROR, err
}
} else {
return domain.OUTCOME_STATUS_ERROR, fmt.Errorf("invalid odd header: '%s'", oddHeader)
}
}
return newOutcome, nil
}
// First Team To Score betting is a type of bet where the bettor predicts which team will score first in a match.
// We can get this from the "events" field on the result json
func evaluateFirstTeamToScore(outcome domain.BetOutcome, events []map[string]string) (domain.OutcomeStatus, error) {
for _, event := range events {
if strings.Contains(event["text"], "1st Goal") || strings.Contains(event["text"], "Goal 1") {
if strings.Contains(event["text"], outcome.HomeTeamName) && outcome.OddName == "1" {
return domain.OUTCOME_STATUS_WIN, nil
} else if strings.Contains(event["text"], outcome.AwayTeamName) && outcome.OddName == "2" {
return domain.OUTCOME_STATUS_WIN, nil
}
return domain.OUTCOME_STATUS_LOSS, nil
}
}
return domain.OUTCOME_STATUS_VOID, nil // No goals scored
}
// Goals Odd/Even betting is a type of bet where the bettor predicts whether the total number of goals scored in a match will be odd or even.
func evaluateGoalsOddEven(outcome domain.BetOutcome, score struct{ Home, Away int }) (domain.OutcomeStatus, error) {
totalGoals := score.Home + score.Away
isOdd := totalGoals%2 == 1
if outcome.OddName == "Odd" && isOdd {
return domain.OUTCOME_STATUS_WIN, nil
} else if outcome.OddName == "Even" && !isOdd {
return domain.OUTCOME_STATUS_WIN, nil
}
return domain.OUTCOME_STATUS_LOSS, nil
}
func evaluateTeamOddEven(outcome domain.BetOutcome, score struct{ Home, Away int }) (domain.OutcomeStatus, error) {
switch outcome.OddHeader {
case "1":
if outcome.OddHandicap == "Odd" {
if score.Home%2 == 1 {
return domain.OUTCOME_STATUS_WIN, nil
}
return domain.OUTCOME_STATUS_LOSS, nil
} else if outcome.OddHandicap == "Even" {
if score.Home%2 == 0 {
return domain.OUTCOME_STATUS_WIN, nil
}
return domain.OUTCOME_STATUS_LOSS, nil
} else {
return domain.OUTCOME_STATUS_ERROR, fmt.Errorf("invalid odd handicap: %s", outcome.OddHandicap)
}
case "2":
if outcome.OddHandicap == "Odd" {
if score.Away%2 == 1 {
return domain.OUTCOME_STATUS_WIN, nil
}
return domain.OUTCOME_STATUS_LOSS, nil
} else if outcome.OddHandicap == "Even" {
if score.Away%2 == 0 {
return domain.OUTCOME_STATUS_WIN, nil
}
return domain.OUTCOME_STATUS_LOSS, nil
} else {
return domain.OUTCOME_STATUS_ERROR, fmt.Errorf("invalid odd handicap: %s", outcome.OddHandicap)
}
default:
return domain.OUTCOME_STATUS_ERROR, fmt.Errorf("invalid odd header: %s", outcome.OddHeader)
}
}
// Double Chance betting is a type of bet where the bettor predicts two of the three possible outcomes of a match.
func evaluateDoubleChance(outcome domain.BetOutcome, score struct{ Home, Away int }) (domain.OutcomeStatus, error) {
isHomeWin := score.Home > score.Away
isDraw := score.Home == score.Away
isAwayWin := score.Away > score.Home
switch outcome.OddName {
case "1 or Draw", (outcome.HomeTeamName + " or " + "Draw"), ("Draw" + " or " + outcome.HomeTeamName):
if isHomeWin || isDraw {
return domain.OUTCOME_STATUS_WIN, nil
}
return domain.OUTCOME_STATUS_LOSS, nil
case "Draw or 2", ("Draw" + " or " + outcome.AwayTeamName), (outcome.AwayTeamName + " or " + "Draw"):
if isDraw || isAwayWin {
return domain.OUTCOME_STATUS_WIN, nil
}
return domain.OUTCOME_STATUS_LOSS, nil
case "1 or 2", (outcome.HomeTeamName + " or " + outcome.AwayTeamName), (outcome.AwayTeamName + " or " + outcome.HomeTeamName):
if isHomeWin || isAwayWin {
return domain.OUTCOME_STATUS_WIN, nil
}
return domain.OUTCOME_STATUS_LOSS, nil
default:
return domain.OUTCOME_STATUS_ERROR, fmt.Errorf("invalid odd name: %s", outcome.OddName)
}
}
// Draw No Bet betting is a type of bet where the bettor predicts the outcome of a match, but if the match ends in a draw, the bet is voided.
func evaluateDrawNoBet(outcome domain.BetOutcome, score struct{ Home, Away int }) (domain.OutcomeStatus, error) {
if score.Home == score.Away {
return domain.OUTCOME_STATUS_VOID, nil
}
if outcome.OddName == "1" && score.Home > score.Away {
return domain.OUTCOME_STATUS_WIN, nil
} else if outcome.OddName == "2" && score.Away > score.Home {
return domain.OUTCOME_STATUS_WIN, nil
}
return domain.OUTCOME_STATUS_LOSS, nil
}
func evaluateCorners(outcome domain.BetOutcome, corners struct{ Home, Away int }) (domain.OutcomeStatus, error) {
totalCorners := corners.Home + corners.Away
threshold, err := strconv.ParseFloat(outcome.OddName, 10)
if err != nil {
return domain.OUTCOME_STATUS_ERROR, fmt.Errorf("invalid threshold: %s", outcome.OddName)
}
switch outcome.OddHeader {
case "Over":
if totalCorners > int(threshold) {
return domain.OUTCOME_STATUS_WIN, nil
}
return domain.OUTCOME_STATUS_LOSS, nil
case "Under":
if totalCorners < int(threshold) {
return domain.OUTCOME_STATUS_WIN, nil
}
return domain.OUTCOME_STATUS_LOSS, nil
case "Exactly":
if totalCorners == int(threshold) {
return domain.OUTCOME_STATUS_WIN, nil
}
return domain.OUTCOME_STATUS_LOSS, nil
default:
return domain.OUTCOME_STATUS_ERROR, fmt.Errorf("invalid odd header: %s", outcome.OddHeader)
}
}
// Basketball evaluations
// Game Lines is an aggregate of money line, spread and total betting markets in one
func evaluateGameLines(outcome domain.BetOutcome, score struct{ Home, Away int }) (domain.OutcomeStatus, error) {
switch outcome.OddName {
case "Money Line":
return evaluateMoneyLine(outcome, score)
case "Spread", "Line":
// Since Spread betting is essentially the same thing
return evaluateAsianHandicap(outcome, score)
case "Total":
return evaluateTotalOverUnder(outcome, score)
default:
return domain.OUTCOME_STATUS_ERROR, fmt.Errorf("invalid odd name: %s", outcome.OddName)
}
}
// Money Line betting is a type of bet where the bettor predicts the outcome of a match without any point spread.
func evaluateMoneyLine(outcome domain.BetOutcome, score struct{ Home, Away int }) (domain.OutcomeStatus, error) {
switch outcome.OddHeader {
case "1":
if score.Home > score.Away {
return domain.OUTCOME_STATUS_WIN, nil
}
return domain.OUTCOME_STATUS_LOSS, nil
case "2":
if score.Home < score.Away {
return domain.OUTCOME_STATUS_WIN, nil
}
return domain.OUTCOME_STATUS_LOSS, nil
case "Tie", "Draw":
if score.Home == score.Away {
return domain.OUTCOME_STATUS_WIN, nil
}
return domain.OUTCOME_STATUS_LOSS, nil
default:
return domain.OUTCOME_STATUS_ERROR, fmt.Errorf("invalid odd name: %s", outcome.OddName)
}
}
// Total Over/Under betting is a type of bet where the bettor predicts whether the total number of points scored in a match will be over or under a specified number.
func evaluateTotalOverUnder(outcome domain.BetOutcome, score struct{ Home, Away int }) (domain.OutcomeStatus, error) {
// The handicap will be in the format "U {float}" or "O {float}"
// U and O denoting over and under for this case
overUnderStr := strings.Split(outcome.OddHandicap, " ")
if len(overUnderStr) != 2 {
return domain.OUTCOME_STATUS_ERROR, fmt.Errorf("invalid threshold: %s", outcome.OddName)
}
threshold, err := strconv.ParseFloat(overUnderStr[1], 64)
if err != nil {
return domain.OUTCOME_STATUS_ERROR, fmt.Errorf("invalid threshold: %s", outcome.OddName)
}
// Since the threshold will come in a xx.5 format, there is no VOID for this kind of bet
totalScore := float64(score.Home + score.Away)
if overUnderStr[0] == "O" {
if totalScore > threshold {
return domain.OUTCOME_STATUS_WIN, nil
}
return domain.OUTCOME_STATUS_LOSS, nil
} else if overUnderStr[0] == "U" {
if totalScore < threshold {
return domain.OUTCOME_STATUS_WIN, nil
}
return domain.OUTCOME_STATUS_LOSS, nil
} else if overUnderStr[0] == "E" {
if totalScore == threshold {
return domain.OUTCOME_STATUS_WIN, nil
}
return domain.OUTCOME_STATUS_LOSS, nil
}
return domain.OUTCOME_STATUS_ERROR, fmt.Errorf("invalid odd header: %s", outcome.OddHeader)
}
func evaluateTotalLegs(outcome domain.BetOutcome, score struct{ Home, Away int }) (domain.OutcomeStatus, error) {
total, err := strconv.ParseFloat(outcome.OddName, 64)
if err != nil {
return domain.OUTCOME_STATUS_PENDING, fmt.Errorf("invalid : %s", outcome.OddName)
}
totalLegs := float64(score.Home + score.Away)
switch outcome.OddHeader {
case "Over":
if totalLegs > total {
return domain.OUTCOME_STATUS_WIN, nil
}
return domain.OUTCOME_STATUS_LOSS, nil
case "Under":
if totalLegs < total {
return domain.OUTCOME_STATUS_WIN, nil
}
return domain.OUTCOME_STATUS_LOSS, nil
}
return domain.OUTCOME_STATUS_PENDING, fmt.Errorf("invalid odd header: %s", outcome.OddHeader)
}
// Result and Total betting is a type of bet where the bettor predicts
// the outcome of a match and whether the total number of points scored will be over or under a specified number.
func evaluateResultAndTotal(outcome domain.BetOutcome, score struct{ Home, Away int }) (domain.OutcomeStatus, error) {
// The handicap will be in the format "U {float}" or "O {float}"
// U and O denoting over and under for this case
overUnderStr := strings.Split(outcome.OddHandicap, " ")
if len(overUnderStr) != 2 {
return domain.OUTCOME_STATUS_ERROR, fmt.Errorf("invalid threshold: %s", outcome.OddName)
}
overUnder := overUnderStr[0]
if overUnder != "Over" && overUnder != "Under" {
return domain.OUTCOME_STATUS_ERROR, fmt.Errorf("failed parsing over under: %s", outcome.OddHeader)
}
threshold, err := strconv.ParseFloat(overUnderStr[1], 64)
if err != nil {
return domain.OUTCOME_STATUS_ERROR, fmt.Errorf("invalid threshold: %s", outcome.OddName)
}
// Since the threshold will come in a xx.5 format, there is no VOID for this kind of bet
totalScore := float64(score.Home + score.Away)
switch outcome.OddHeader {
case "1":
if score.Home < score.Away {
return domain.OUTCOME_STATUS_LOSS, nil
}
if overUnder == "Over" && totalScore > threshold {
return domain.OUTCOME_STATUS_WIN, nil
} else if overUnder == "Under" && totalScore < threshold {
return domain.OUTCOME_STATUS_WIN, nil
}
return domain.OUTCOME_STATUS_LOSS, nil
case "2":
if score.Away < score.Home {
return domain.OUTCOME_STATUS_LOSS, nil
}
if overUnder == "Over" && totalScore > threshold {
return domain.OUTCOME_STATUS_WIN, nil
} else if overUnder == "Under" && totalScore < threshold {
return domain.OUTCOME_STATUS_WIN, nil
}
return domain.OUTCOME_STATUS_LOSS, nil
default:
return domain.OUTCOME_STATUS_ERROR, fmt.Errorf("failed to parse over and under: %s", outcome.OddName)
}
}
// Team Total betting is a type of bet where the bettor predicts the total number of points scored by a specific team in a match
// is over or under a specified number.
func evaluateTeamTotal(outcome domain.BetOutcome, score struct{ Home, Away int }) (domain.OutcomeStatus, error) {
// The handicap will be in the format "U {float}" or "O {float}"
// U and O denoting over and under for this case
overUnderStr := strings.Split(outcome.OddHandicap, " ")
if len(overUnderStr) != 2 {
return domain.OUTCOME_STATUS_ERROR, fmt.Errorf("invalid threshold: %s", outcome.OddHandicap)
}
overUnder := overUnderStr[0]
if overUnder != "Over" && overUnder != "Under" {
return domain.OUTCOME_STATUS_ERROR, fmt.Errorf("failed parsing over under: %s", outcome.OddHeader)
}
threshold, err := strconv.ParseFloat(overUnderStr[1], 64)
if err != nil {
return domain.OUTCOME_STATUS_ERROR, fmt.Errorf("invalid threshold: %s", outcome.OddHandicap)
}
// Since the threshold will come in a xx.5 format, there is no VOID for this kind of bet
HomeScore := float64(score.Home)
AwayScore := float64(score.Away)
switch outcome.OddHeader {
case "1":
if overUnder == "Over" && HomeScore > threshold {
return domain.OUTCOME_STATUS_WIN, nil
} else if overUnder == "Under" && HomeScore < threshold {
return domain.OUTCOME_STATUS_WIN, nil
}
return domain.OUTCOME_STATUS_LOSS, nil
case "2":
if overUnder == "Over" && AwayScore > threshold {
return domain.OUTCOME_STATUS_WIN, nil
} else if overUnder == "Under" && AwayScore < threshold {
return domain.OUTCOME_STATUS_WIN, nil
}
return domain.OUTCOME_STATUS_LOSS, nil
default:
return domain.OUTCOME_STATUS_ERROR, fmt.Errorf("failed to parse over and under: %s", outcome.OddName)
}
}
// Result and Both Teams To Score X Points is a type of bet where the bettor predicts whether both teams will score a certain number of points
// and also the result fo the match
func evaluateResultAndBTTSX(outcome domain.BetOutcome, score struct{ Home, Away int }) (domain.OutcomeStatus, error) {
// The name parameter will hold value "name": "{team_name} and {Yes | No}"
// The best way to do this is to evaluate backwards since there might be
// teams with 'and' in their name
// We know that there is going to be "Yes" and "No "
oddNameSplit := strings.Split(outcome.OddName, " ")
scoreCheckSplit := oddNameSplit[len(oddNameSplit)-1]
var isScorePoints bool
if scoreCheckSplit == "Yes" {
isScorePoints = true
} else if scoreCheckSplit == "No" {
isScorePoints = false
} else {
return domain.OUTCOME_STATUS_ERROR, fmt.Errorf("invalid odd name: %s", outcome.OddName)
}
teamName := strings.TrimSpace(strings.Join(oddNameSplit[:len(oddNameSplit)-2], ""))
threshold, err := strconv.ParseInt(outcome.OddHeader, 10, 64)
if err != nil {
return domain.OUTCOME_STATUS_ERROR, fmt.Errorf("invalid threshold: %s", outcome.OddHeader)
}
// above code removes any space from team name, so do the same for outcome.HomeTeamName and outcome.AwayTeamName
outcome.HomeTeamName = strings.Join(strings.Split(outcome.HomeTeamName, " "), "")
outcome.AwayTeamName = strings.Join(strings.Split(outcome.AwayTeamName, " "), "")
switch teamName {
case outcome.HomeTeamName:
if score.Home > score.Away {
if isScorePoints && score.Home >= int(threshold) && score.Away >= int(threshold) {
return domain.OUTCOME_STATUS_WIN, nil
} else if !isScorePoints && score.Home < int(threshold) && score.Away < int(threshold) {
return domain.OUTCOME_STATUS_WIN, nil
}
}
case outcome.AwayTeamName:
if score.Away > score.Home {
if isScorePoints && score.Home >= int(threshold) && score.Away >= int(threshold) {
return domain.OUTCOME_STATUS_WIN, nil
} else if !isScorePoints && score.Home < int(threshold) && score.Away < int(threshold) {
return domain.OUTCOME_STATUS_WIN, nil
}
}
default:
return domain.OUTCOME_STATUS_ERROR, fmt.Errorf("team name error: %s", teamName)
}
return domain.OUTCOME_STATUS_LOSS, nil
}
// Both Teams To Score X Points is a type of bet where the bettor predicts whether both teams will score a certain number of points.
func evaluateBTTSX(outcome domain.BetOutcome, score struct{ Home, Away int }) (domain.OutcomeStatus, error) {
threshold, err := strconv.ParseInt(outcome.OddName, 10, 64)
if err != nil {
return domain.OUTCOME_STATUS_ERROR, fmt.Errorf("invalid threshold: %s", outcome.OddName)
}
switch outcome.OddHeader {
case "Yes":
if score.Home >= int(threshold) && score.Away >= int(threshold) {
return domain.OUTCOME_STATUS_WIN, nil
}
case "No":
if score.Home < int(threshold) && score.Away < int(threshold) {
return domain.OUTCOME_STATUS_WIN, nil
}
default:
return domain.OUTCOME_STATUS_ERROR, fmt.Errorf("invalid odd header: %s", outcome.OddHeader)
}
return domain.OUTCOME_STATUS_LOSS, nil
}
// Money Line 3 Way betting is a type of bet where the bettor predicts the outcome of a match with three possible outcomes: home win, away win, or draw.
func evaluateMoneyLine3Way(outcome domain.BetOutcome, score struct{ Home, Away int }) (domain.OutcomeStatus, error) {
switch outcome.OddName {
case "1": // Home win
if score.Home > score.Away {
return domain.OUTCOME_STATUS_WIN, nil
}
return domain.OUTCOME_STATUS_LOSS, nil
case "Tie":
if score.Home == score.Away {
return domain.OUTCOME_STATUS_WIN, nil
}
return domain.OUTCOME_STATUS_LOSS, nil
case "2": // Away win
if score.Away > score.Home {
return domain.OUTCOME_STATUS_WIN, nil
}
return domain.OUTCOME_STATUS_LOSS, nil
default:
return domain.OUTCOME_STATUS_ERROR, fmt.Errorf("invalid odd name: %s", outcome.OddName)
}
}
func evaluateDoubleResult(outcome domain.BetOutcome, firstHalfScore struct{ Home, Away int }, fullTimeScore struct{ Home, Away int }) (domain.OutcomeStatus, error) {
halfWins := strings.Split(outcome.OddName, "-")
if len(halfWins) != 2 {
return domain.OUTCOME_STATUS_PENDING, fmt.Errorf("invalid odd name: %s", outcome.OddName)
}
firstHalfWinner := strings.TrimSpace(halfWins[0])
fullTimeWinner := strings.TrimSpace(halfWins[1])
if firstHalfWinner != outcome.HomeTeamName && firstHalfWinner != outcome.AwayTeamName && firstHalfWinner != "Tie" {
return domain.OUTCOME_STATUS_PENDING, fmt.Errorf("invalid oddname: %s", firstHalfWinner)
}
if fullTimeWinner != outcome.HomeTeamName && fullTimeWinner != outcome.AwayTeamName && fullTimeWinner != "Tie" {
return domain.OUTCOME_STATUS_PENDING, fmt.Errorf("invalid oddname: %s", firstHalfWinner)
}
switch {
case firstHalfWinner == outcome.HomeTeamName && firstHalfScore.Home < firstHalfScore.Away:
return domain.OUTCOME_STATUS_LOSS, nil
case firstHalfWinner == outcome.AwayTeamName && firstHalfScore.Away < firstHalfScore.Home:
return domain.OUTCOME_STATUS_LOSS, nil
case firstHalfWinner == "Tie" && firstHalfScore.Home != firstHalfScore.Away:
return domain.OUTCOME_STATUS_LOSS, nil
}
switch {
case fullTimeWinner == outcome.HomeTeamName && fullTimeScore.Home < fullTimeScore.Away:
return domain.OUTCOME_STATUS_LOSS, nil
case fullTimeWinner == outcome.AwayTeamName && fullTimeScore.Away < fullTimeScore.Home:
return domain.OUTCOME_STATUS_LOSS, nil
case fullTimeWinner == "Tie" && fullTimeScore.Home != fullTimeScore.Away:
return domain.OUTCOME_STATUS_LOSS, nil
}
return domain.OUTCOME_STATUS_WIN, nil
}
// Highest Scoring Half betting is a type of bet where the bettor predicts which half of the match will have the highest total score.
func evaluateHighestScoringHalf(outcome domain.BetOutcome, firstScore struct{ Home, Away int }, secondScore struct{ Home, Away int }) (domain.OutcomeStatus, error) {
firstHalfTotal := firstScore.Home + firstScore.Away
secondHalfTotal := secondScore.Home + secondScore.Away
switch outcome.OddName {
case "1st Half":
if firstHalfTotal > secondHalfTotal {
return domain.OUTCOME_STATUS_WIN, nil
}
case "2nd Half":
if firstHalfTotal < secondHalfTotal {
return domain.OUTCOME_STATUS_WIN, nil
}
case "Tie":
if firstHalfTotal == secondHalfTotal {
return domain.OUTCOME_STATUS_WIN, nil
}
default:
return domain.OUTCOME_STATUS_ERROR, fmt.Errorf("invalid oddname: %s", outcome.OddName)
}
return domain.OUTCOME_STATUS_LOSS, nil
}
// Highest Scoring Quarter betting is a type of bet where the bettor predicts which quarter of the match will have the highest score.
func evaluateHighestScoringQuarter(outcome domain.BetOutcome, firstScore struct{ Home, Away int }, secondScore struct{ Home, Away int }, thirdScore struct{ Home, Away int }, fourthScore struct{ Home, Away int }) (domain.OutcomeStatus, error) {
firstQuarterTotal := firstScore.Home + firstScore.Away
secondQuarterTotal := secondScore.Home + secondScore.Away
thirdQuarterTotal := thirdScore.Home + thirdScore.Away
fourthQuarterTotal := fourthScore.Home + fourthScore.Away
switch outcome.OddName {
case "1st Quarter":
if firstQuarterTotal > secondQuarterTotal && firstQuarterTotal > thirdQuarterTotal && firstQuarterTotal > fourthQuarterTotal {
return domain.OUTCOME_STATUS_WIN, nil
}
case "2nd Quarter":
if secondQuarterTotal > firstQuarterTotal && secondQuarterTotal > thirdQuarterTotal && secondQuarterTotal > fourthQuarterTotal {
return domain.OUTCOME_STATUS_WIN, nil
}
case "3rd Quarter":
if thirdQuarterTotal > firstQuarterTotal && thirdQuarterTotal > secondQuarterTotal && thirdQuarterTotal > fourthQuarterTotal {
return domain.OUTCOME_STATUS_WIN, nil
}
case "4th Quarter":
if fourthQuarterTotal > firstQuarterTotal && fourthQuarterTotal > secondQuarterTotal && fourthQuarterTotal > thirdQuarterTotal {
return domain.OUTCOME_STATUS_WIN, nil
}
case "Tie":
if firstQuarterTotal == secondQuarterTotal || secondQuarterTotal == thirdQuarterTotal || thirdQuarterTotal == fourthQuarterTotal {
return domain.OUTCOME_STATUS_WIN, nil
}
default:
return domain.OUTCOME_STATUS_ERROR, fmt.Errorf("invalid oddname: %s", outcome.OddName)
}
return domain.OUTCOME_STATUS_LOSS, nil
}
// Team With Highest Scoring Quarter betting is a type of bet where the bettor predicts which team will have the highest score in a specific quarter.
func evaluateTeamWithHighestScoringQuarter(outcome domain.BetOutcome, firstScore struct{ Home, Away int }, secondScore struct{ Home, Away int }, thirdScore struct{ Home, Away int }, fourthScore struct{ Home, Away int }) (domain.OutcomeStatus, error) {
homeTeamHighestQuarter := max(firstScore.Home, secondScore.Home, thirdScore.Home, fourthScore.Home)
awayTeamHighestQuarter := max(firstScore.Away, secondScore.Away, thirdScore.Away, fourthScore.Away)
switch outcome.OddName {
case "1":
if homeTeamHighestQuarter > awayTeamHighestQuarter {
return domain.OUTCOME_STATUS_WIN, nil
}
case "2":
if awayTeamHighestQuarter > homeTeamHighestQuarter {
return domain.OUTCOME_STATUS_WIN, nil
}
case "Tie":
if homeTeamHighestQuarter == awayTeamHighestQuarter {
return domain.OUTCOME_STATUS_WIN, nil
}
default:
return domain.OUTCOME_STATUS_ERROR, fmt.Errorf("invalid oddname: %s", outcome.OddName)
}
return domain.OUTCOME_STATUS_LOSS, nil
}
// Handicap and Total betting is a combination of spread betting and total points betting
// where the bettor predicts the outcome of a match with a point spread and the total number of points scored is over or under a specified number.
func evaluateHandicapAndTotal(outcome domain.BetOutcome, score struct{ Home, Away int }) (domain.OutcomeStatus, error) {
nameSplit := strings.Split(outcome.OddName, " ")
// Evaluate from bottom to get the threshold and find out if its over or under
threshold, err := strconv.ParseFloat(nameSplit[len(nameSplit)-1], 10)
if err != nil {
return domain.OUTCOME_STATUS_ERROR, fmt.Errorf("failed parsing threshold: %s", outcome.OddName)
}
total := float64(score.Home + score.Away)
overUnder := nameSplit[len(nameSplit)-2]
if overUnder == "Over" {
if total < threshold {
return domain.OUTCOME_STATUS_LOSS, nil
}
} else if overUnder == "Under" {
if total > threshold {
return domain.OUTCOME_STATUS_LOSS, nil
}
} else {
return domain.OUTCOME_STATUS_ERROR, fmt.Errorf("failed parsing over and under: %s", outcome.OddName)
}
handicap, err := strconv.ParseFloat(nameSplit[len(nameSplit)-4], 10)
if err != nil {
return domain.OUTCOME_STATUS_ERROR, fmt.Errorf("failed parsing handicap: %s", outcome.OddName)
}
teamName := strings.TrimSpace(strings.Join(nameSplit[:len(nameSplit)-4], ""))
adjustedHomeScore := float64(score.Home)
adjustedAwayScore := float64(score.Away)
outcome.HomeTeamName = strings.Join(strings.Split(outcome.HomeTeamName, " "), "")
outcome.AwayTeamName = strings.Join(strings.Split(outcome.AwayTeamName, " "), "")
switch teamName {
case outcome.HomeTeamName:
adjustedHomeScore += handicap
if adjustedHomeScore > adjustedAwayScore {
return domain.OUTCOME_STATUS_WIN, nil
}
return domain.OUTCOME_STATUS_LOSS, nil
case outcome.AwayTeamName:
adjustedAwayScore += handicap
if adjustedAwayScore > adjustedHomeScore {
return domain.OUTCOME_STATUS_WIN, nil
}
return domain.OUTCOME_STATUS_LOSS, nil
default:
return domain.OUTCOME_STATUS_ERROR, fmt.Errorf("failed parsing team name: %s", outcome.OddName)
}
}
func evaluateWinningMargin(outcome domain.BetOutcome, score struct{ Home, Away int }) (domain.OutcomeStatus, error) {
if len(outcome.OddName) < 1 {
return domain.OUTCOME_STATUS_PENDING, fmt.Errorf("invalid oddname: %s", outcome.OddName)
}
isGtr := false
idx := len(outcome.OddName)
if outcome.OddName[idx-1] == '+' {
isGtr = true
idx--
}
margin, err := strconv.ParseInt(outcome.OddName[:idx], 10, 64)
if err != nil {
return domain.OUTCOME_STATUS_PENDING, fmt.Errorf("invalid oddname: %s", outcome.OddName)
}
switch outcome.OddHeader {
case "1":
if score.Home == (score.Away + int(margin)) {
return domain.OUTCOME_STATUS_WIN, nil
} else if isGtr && score.Home > (score.Away+int(margin)) {
return domain.OUTCOME_STATUS_WIN, nil
}
return domain.OUTCOME_STATUS_LOSS, nil
case "2":
if score.Away == (score.Home + int(margin)) {
return domain.OUTCOME_STATUS_WIN, nil
} else if isGtr && score.Away > (score.Home+int(margin)) {
return domain.OUTCOME_STATUS_WIN, nil
}
return domain.OUTCOME_STATUS_LOSS, nil
}
return domain.OUTCOME_STATUS_ERROR, fmt.Errorf("invalid oddheader: %s", outcome.OddHeader)
}
// Highest Scoring Period betting is a type of bet where the bettor predicts which period of the match will have the highest total score.
func evaluateHighestScoringPeriod(outcome domain.BetOutcome, firstScore struct{ Home, Away int }, secondScore struct{ Home, Away int }, thirdScore struct{ Home, Away int }) (domain.OutcomeStatus, error) {
firstPeriodTotal := firstScore.Home + firstScore.Away
secondPeriodTotal := secondScore.Home + secondScore.Away
thirdPeriodTotal := thirdScore.Home + thirdScore.Away
switch outcome.OddName {
case "Period 1":
if firstPeriodTotal > secondPeriodTotal && firstPeriodTotal > thirdPeriodTotal {
return domain.OUTCOME_STATUS_WIN, nil
}
case "Period 2":
if secondPeriodTotal > firstPeriodTotal && secondPeriodTotal > thirdPeriodTotal {
return domain.OUTCOME_STATUS_WIN, nil
}
case "Period 3":
if thirdPeriodTotal > firstPeriodTotal && thirdPeriodTotal > secondPeriodTotal {
return domain.OUTCOME_STATUS_WIN, nil
}
case "Tie":
if firstPeriodTotal == secondPeriodTotal || secondPeriodTotal == thirdPeriodTotal {
return domain.OUTCOME_STATUS_WIN, nil
}
default:
return domain.OUTCOME_STATUS_ERROR, fmt.Errorf("invalid oddname: %s", outcome.OddName)
}
return domain.OUTCOME_STATUS_LOSS, nil
}
// Tied After Regulation is a type of bet where the bettor predicts whether the match will end in a tie after regulation time.
func evaluateTiedAfterRegulation(outcome domain.BetOutcome, scores []struct{ Home, Away int }) (domain.OutcomeStatus, error) {
totalScore := struct{ Home, Away int }{0, 0}
for _, score := range scores {
totalScore.Home += score.Home
totalScore.Away += score.Away
}
switch outcome.OddName {
case "Yes":
if totalScore.Home == totalScore.Away {
return domain.OUTCOME_STATUS_WIN, nil
}
return domain.OUTCOME_STATUS_LOSS, nil
case "No":
if totalScore.Home != totalScore.Away {
return domain.OUTCOME_STATUS_WIN, nil
}
return domain.OUTCOME_STATUS_LOSS, nil
}
return domain.OUTCOME_STATUS_PENDING, fmt.Errorf("invalid oddname: %s", outcome.OddName)
}
func evaluateRugbyOutcome(outcome domain.BetOutcome, result *domain.RugbyResultResponse) (domain.OutcomeStatus, error) {
finalScore := parseSS(result.SS)
switch outcome.MarketName {
case "Money Line":
return evaluateRugbyMoneyLine(outcome, finalScore)
case "Spread":
return evaluateRugbySpread(outcome, finalScore)
case "Total Points":
return evaluateRugbyTotalPoints(outcome, finalScore)
default:
return domain.OUTCOME_STATUS_PENDING, fmt.Errorf("unsupported rugby market: %s", outcome.MarketName)
}
}
func evaluateBaseballOutcome(outcome domain.BetOutcome, result *domain.BaseballResultResponse) (domain.OutcomeStatus, error) {
finalScore := parseSS(result.SS)
switch outcome.MarketName {
case "Money Line":
return evaluateBaseballMoneyLine(outcome, finalScore)
case "Spread":
return evaluateBaseballSpread(outcome, finalScore)
case "Total Runs":
return evaluateBaseballTotalRuns(outcome, finalScore)
default:
return domain.OUTCOME_STATUS_PENDING, fmt.Errorf("unsupported baseball market: %s", outcome.MarketName)
}
}
func evaluateVolleyballGamelines(outcome domain.BetOutcome, score struct{ Home, Away int }) (domain.OutcomeStatus, error) {
switch outcome.OddName {
case "Total":
return evaluateTotalOverUnder(outcome, score)
default:
return domain.OUTCOME_STATUS_PENDING, fmt.Errorf("invalid odd name: %s", outcome.OddName)
}
}