Yimaru-BackEnd/internal/services/report/service.go

510 lines
16 KiB
Go

package report
import (
"context"
"errors"
"log/slog"
"sort"
"time"
"github.com/SamuelTariku/FortuneBet-Backend/internal/domain"
"github.com/SamuelTariku/FortuneBet-Backend/internal/services/bet"
"github.com/SamuelTariku/FortuneBet-Backend/internal/services/branch"
"github.com/SamuelTariku/FortuneBet-Backend/internal/services/transaction"
"github.com/SamuelTariku/FortuneBet-Backend/internal/services/user"
"github.com/SamuelTariku/FortuneBet-Backend/internal/services/wallet"
)
var (
ErrInvalidTimeRange = errors.New("invalid time range - start time must be before end time")
ErrInvalidReportCriteria = errors.New("invalid report criteria")
)
type Service struct {
betStore bet.BetStore
walletStore wallet.WalletStore
transactionStore transaction.TransactionStore
branchStore branch.BranchStore
userStore user.UserStore
logger *slog.Logger
}
func NewService(
betStore bet.BetStore,
walletStore wallet.WalletStore,
transactionStore transaction.TransactionStore,
branchStore branch.BranchStore,
userStore user.UserStore,
logger *slog.Logger,
) *Service {
return &Service{
betStore: betStore,
walletStore: walletStore,
transactionStore: transactionStore,
branchStore: branchStore,
userStore: userStore,
logger: logger,
}
}
// DashboardSummary represents comprehensive dashboard metrics
type DashboardSummary struct {
TotalStakes domain.Currency `json:"total_stakes"`
TotalBets int64 `json:"total_bets"`
ActiveBets int64 `json:"active_bets"`
WinBalance domain.Currency `json:"win_balance"`
TotalWins int64 `json:"total_wins"`
TotalLosses int64 `json:"total_losses"`
CustomerCount int64 `json:"customer_count"`
Profit domain.Currency `json:"profit"`
WinRate float64 `json:"win_rate"`
AverageStake domain.Currency `json:"average_stake"`
TotalDeposits domain.Currency `json:"total_deposits"`
TotalWithdrawals domain.Currency `json:"total_withdrawals"`
ActiveCustomers int64 `json:"active_customers"`
BranchesCount int64 `json:"branches_count"`
ActiveBranches int64 `json:"active_branches"`
}
// GetDashboardSummary returns comprehensive dashboard metrics
func (s *Service) GetDashboardSummary(ctx context.Context, filter domain.ReportFilter) (DashboardSummary, error) {
if err := validateTimeRange(filter); err != nil {
return DashboardSummary{}, err
}
var summary DashboardSummary
var err error
// Get bets summary
summary.TotalStakes, summary.TotalBets, summary.ActiveBets, summary.TotalWins, summary.TotalLosses, summary.WinBalance, err =
s.betStore.GetBetSummary(ctx, filter)
if err != nil {
s.logger.Error("failed to get bet summary", "error", err)
return DashboardSummary{}, err
}
// Get customer metrics
summary.CustomerCount, summary.ActiveCustomers, err = s.userStore.GetCustomerCounts(ctx, filter)
if err != nil {
s.logger.Error("failed to get customer counts", "error", err)
return DashboardSummary{}, err
}
// Get branch metrics
summary.BranchesCount, summary.ActiveBranches, err = s.branchStore.GetBranchCounts(ctx, filter)
if err != nil {
s.logger.Error("failed to get branch counts", "error", err)
return DashboardSummary{}, err
}
// Get transaction metrics
summary.TotalDeposits, summary.TotalWithdrawals, err = s.transactionStore.GetTransactionTotals(ctx, filter)
if err != nil {
s.logger.Error("failed to get transaction totals", "error", err)
return DashboardSummary{}, err
}
// Calculate derived metrics
if summary.TotalBets > 0 {
summary.AverageStake = summary.TotalStakes / domain.Currency(summary.TotalBets)
summary.WinRate = float64(summary.TotalWins) / float64(summary.TotalBets) * 100
summary.Profit = summary.TotalStakes - summary.WinBalance
}
return summary, nil
}
// BetAnalysis represents detailed bet analysis
type BetAnalysis struct {
Date time.Time `json:"date"`
TotalBets int64 `json:"total_bets"`
TotalStakes domain.Currency `json:"total_stakes"`
TotalWins int64 `json:"total_wins"`
TotalPayouts domain.Currency `json:"total_payouts"`
Profit domain.Currency `json:"profit"`
MostPopularSport string `json:"most_popular_sport"`
MostPopularMarket string `json:"most_popular_market"`
HighestStake domain.Currency `json:"highest_stake"`
HighestPayout domain.Currency `json:"highest_payout"`
AverageOdds float64 `json:"average_odds"`
}
// GetBetAnalysis returns detailed bet analysis
func (s *Service) GetBetAnalysis(ctx context.Context, filter domain.ReportFilter) ([]BetAnalysis, error) {
if err := validateTimeRange(filter); err != nil {
return nil, err
}
// Get basic bet stats
betStats, err := s.betStore.GetBetStats(ctx, filter)
if err != nil {
s.logger.Error("failed to get bet stats", "error", err)
return nil, err
}
// Get sport popularity
sportPopularity, err := s.betStore.GetSportPopularity(ctx, filter)
if err != nil {
s.logger.Error("failed to get sport popularity", "error", err)
return nil, err
}
// Get market popularity
marketPopularity, err := s.betStore.GetMarketPopularity(ctx, filter)
if err != nil {
s.logger.Error("failed to get market popularity", "error", err)
return nil, err
}
// Get extreme values
extremeValues, err := s.betStore.GetExtremeValues(ctx, filter)
if err != nil {
s.logger.Error("failed to get extreme values", "error", err)
return nil, err
}
// Combine data into analysis
var analysis []BetAnalysis
for _, stat := range betStats {
a := BetAnalysis{
Date: stat.Date,
TotalBets: stat.TotalBets,
TotalStakes: stat.TotalStakes,
TotalWins: stat.TotalWins,
TotalPayouts: stat.TotalPayouts,
Profit: stat.TotalStakes - stat.TotalPayouts,
AverageOdds: stat.AverageOdds,
}
// Add sport popularity
if sport, ok := sportPopularity[stat.Date]; ok {
a.MostPopularSport = sport
}
// Add market popularity
if market, ok := marketPopularity[stat.Date]; ok {
a.MostPopularMarket = market
}
// Add extreme values
if extremes, ok := extremeValues[stat.Date]; ok {
a.HighestStake = extremes.HighestStake
a.HighestPayout = extremes.HighestPayout
}
analysis = append(analysis, a)
}
// Sort by date
sort.Slice(analysis, func(i, j int) bool {
return analysis[i].Date.Before(analysis[j].Date)
})
return analysis, nil
}
// CustomerActivity represents customer activity metrics
type CustomerActivity struct {
CustomerID int64 `json:"customer_id"`
CustomerName string `json:"customer_name"`
TotalBets int64 `json:"total_bets"`
TotalStakes domain.Currency `json:"total_stakes"`
TotalWins int64 `json:"total_wins"`
TotalPayouts domain.Currency `json:"total_payouts"`
Profit domain.Currency `json:"profit"`
FirstBetDate time.Time `json:"first_bet_date"`
LastBetDate time.Time `json:"last_bet_date"`
FavoriteSport string `json:"favorite_sport"`
FavoriteMarket string `json:"favorite_market"`
AverageStake domain.Currency `json:"average_stake"`
AverageOdds float64 `json:"average_odds"`
WinRate float64 `json:"win_rate"`
ActivityLevel string `json:"activity_level"` // High, Medium, Low
}
// GetCustomerActivity returns customer activity report
func (s *Service) GetCustomerActivity(ctx context.Context, filter domain.ReportFilter) ([]CustomerActivity, error) {
if err := validateTimeRange(filter); err != nil {
return nil, err
}
// Get customer bet activity
customerBets, err := s.betStore.GetCustomerBetActivity(ctx, filter)
if err != nil {
s.logger.Error("failed to get customer bet activity", "error", err)
return nil, err
}
// Get customer details
customerDetails, err := s.userStore.GetCustomerDetails(ctx, filter)
if err != nil {
s.logger.Error("failed to get customer details", "error", err)
return nil, err
}
// Get customer preferences
customerPrefs, err := s.betStore.GetCustomerPreferences(ctx, filter)
if err != nil {
s.logger.Error("failed to get customer preferences", "error", err)
return nil, err
}
// Combine data into activity report
var activities []CustomerActivity
for _, bet := range customerBets {
activity := CustomerActivity{
CustomerID: bet.CustomerID,
TotalBets: bet.TotalBets,
TotalStakes: bet.TotalStakes,
TotalWins: bet.TotalWins,
TotalPayouts: bet.TotalPayouts,
Profit: bet.TotalStakes - bet.TotalPayouts,
FirstBetDate: bet.FirstBetDate,
LastBetDate: bet.LastBetDate,
AverageStake: bet.TotalStakes / domain.Currency(bet.TotalBets),
AverageOdds: bet.AverageOdds,
}
// Add customer details
if details, ok := customerDetails[bet.CustomerID]; ok {
activity.CustomerName = details.Name
}
// Add preferences
if prefs, ok := customerPrefs[bet.CustomerID]; ok {
activity.FavoriteSport = prefs.FavoriteSport
activity.FavoriteMarket = prefs.FavoriteMarket
}
// Calculate win rate
if bet.TotalBets > 0 {
activity.WinRate = float64(bet.TotalWins) / float64(bet.TotalBets) * 100
}
// Determine activity level
activity.ActivityLevel = calculateActivityLevel(bet.TotalBets, bet.TotalStakes)
activities = append(activities, activity)
}
// Sort by total stakes (descending)
sort.Slice(activities, func(i, j int) bool {
return activities[i].TotalStakes > activities[j].TotalStakes
})
return activities, nil
}
// BranchPerformance represents branch performance metrics
type BranchPerformance struct {
BranchID int64 `json:"branch_id"`
BranchName string `json:"branch_name"`
Location string `json:"location"`
ManagerName string `json:"manager_name"`
TotalBets int64 `json:"total_bets"`
TotalStakes domain.Currency `json:"total_stakes"`
TotalWins int64 `json:"total_wins"`
TotalPayouts domain.Currency `json:"total_payouts"`
Profit domain.Currency `json:"profit"`
CustomerCount int64 `json:"customer_count"`
Deposits domain.Currency `json:"deposits"`
Withdrawals domain.Currency `json:"withdrawals"`
WinRate float64 `json:"win_rate"`
AverageStake domain.Currency `json:"average_stake"`
PerformanceScore float64 `json:"performance_score"`
}
// GetBranchPerformance returns branch performance report
func (s *Service) GetBranchPerformance(ctx context.Context, filter domain.ReportFilter) ([]BranchPerformance, error) {
// Get branch bet activity
branchBets, err := s.betStore.GetBranchBetActivity(ctx, filter)
if err != nil {
s.logger.Error("failed to get branch bet activity", "error", err)
return nil, err
}
// Get branch details
branchDetails, err := s.branchStore.GetBranchDetails(ctx, filter)
if err != nil {
s.logger.Error("failed to get branch details", "error", err)
return nil, err
}
// Get branch transactions
branchTransactions, err := s.transactionStore.GetBranchTransactionTotals(ctx, filter)
if err != nil {
s.logger.Error("failed to get branch transactions", "error", err)
return nil, err
}
// Get branch customer counts
branchCustomers, err := s.userStore.GetBranchCustomerCounts(ctx, filter)
if err != nil {
s.logger.Error("failed to get branch customer counts", "error", err)
return nil, err
}
// Combine data into performance report
var performances []BranchPerformance
for _, bet := range branchBets {
performance := BranchPerformance{
BranchID: bet.BranchID,
TotalBets: bet.TotalBets,
TotalStakes: bet.TotalStakes,
TotalWins: bet.TotalWins,
TotalPayouts: bet.TotalPayouts,
Profit: bet.TotalStakes - bet.TotalPayouts,
}
// Add branch details
if details, ok := branchDetails[bet.BranchID]; ok {
performance.BranchName = details.Name
performance.Location = details.Location
performance.ManagerName = details.ManagerName
}
// Add transactions
if transactions, ok := branchTransactions[bet.BranchID]; ok {
performance.Deposits = transactions.Deposits
performance.Withdrawals = transactions.Withdrawals
}
// Add customer counts
if customers, ok := branchCustomers[bet.BranchID]; ok {
performance.CustomerCount = customers
}
// Calculate metrics
if bet.TotalBets > 0 {
performance.WinRate = float64(bet.TotalWins) / float64(bet.TotalBets) * 100
performance.AverageStake = bet.TotalStakes / domain.Currency(bet.TotalBets)
}
// Calculate performance score
performance.PerformanceScore = calculatePerformanceScore(performance)
performances = append(performances, performance)
}
// Sort by performance score (descending)
sort.Slice(performances, func(i, j int) bool {
return performances[i].PerformanceScore > performances[j].PerformanceScore
})
return performances, nil
}
// SportPerformance represents sport performance metrics
type SportPerformance struct {
SportID string `json:"sport_id"`
SportName string `json:"sport_name"`
TotalBets int64 `json:"total_bets"`
TotalStakes domain.Currency `json:"total_stakes"`
TotalWins int64 `json:"total_wins"`
TotalPayouts domain.Currency `json:"total_payouts"`
Profit domain.Currency `json:"profit"`
PopularityRank int `json:"popularity_rank"`
WinRate float64 `json:"win_rate"`
AverageStake domain.Currency `json:"average_stake"`
AverageOdds float64 `json:"average_odds"`
MostPopularMarket string `json:"most_popular_market"`
}
// GetSportPerformance returns sport performance report
func (s *Service) GetSportPerformance(ctx context.Context, filter domain.ReportFilter) ([]SportPerformance, error) {
// Get sport bet activity
sportBets, err := s.betStore.GetSportBetActivity(ctx, filter)
if err != nil {
s.logger.Error("failed to get sport bet activity", "error", err)
return nil, err
}
// Get sport details (names)
sportDetails, err := s.betStore.GetSportDetails(ctx, filter)
if err != nil {
s.logger.Error("failed to get sport details", "error", err)
return nil, err
}
// Get sport market popularity
sportMarkets, err := s.betStore.GetSportMarketPopularity(ctx, filter)
if err != nil {
s.logger.Error("failed to get sport market popularity", "error", err)
return nil, err
}
// Combine data into performance report
var performances []SportPerformance
for _, bet := range sportBets {
performance := SportPerformance{
SportID: bet.SportID,
TotalBets: bet.TotalBets,
TotalStakes: bet.TotalStakes,
TotalWins: bet.TotalWins,
TotalPayouts: bet.TotalPayouts,
Profit: bet.TotalStakes - bet.TotalPayouts,
AverageOdds: bet.AverageOdds,
}
// Add sport details
if details, ok := sportDetails[bet.SportID]; ok {
performance.SportName = details
}
// Add market popularity
if market, ok := sportMarkets[bet.SportID]; ok {
performance.MostPopularMarket = market
}
// Calculate metrics
if bet.TotalBets > 0 {
performance.WinRate = float64(bet.TotalWins) / float64(bet.TotalBets) * 100
performance.AverageStake = bet.TotalStakes / domain.Currency(bet.TotalBets)
}
performances = append(performances, performance)
}
// Sort by total stakes (descending) and assign popularity rank
sort.Slice(performances, func(i, j int) bool {
return performances[i].TotalStakes > performances[j].TotalStakes
})
for i := range performances {
performances[i].PopularityRank = i + 1
}
return performances, nil
}
// Helper functions
func validateTimeRange(filter domain.ReportFilter) error {
if filter.StartTime.Valid && filter.EndTime.Valid {
if filter.StartTime.Value.After(filter.EndTime.Value) {
return ErrInvalidTimeRange
}
}
return nil
}
func calculateActivityLevel(totalBets int64, totalStakes domain.Currency) string {
switch {
case totalBets > 100 || totalStakes > 10000:
return "High"
case totalBets > 50 || totalStakes > 5000:
return "Medium"
default:
return "Low"
}
}
func calculatePerformanceScore(perf BranchPerformance) float64 {
// Simple scoring algorithm - can be enhanced based on business rules
profitScore := float64(perf.Profit) / 1000
customerScore := float64(perf.CustomerCount) * 0.1
betScore := float64(perf.TotalBets) * 0.01
winRateScore := perf.WinRate * 0.1
return profitScore + customerScore + betScore + winRateScore
}