package httpserver

import (
	"context"
	"os"
	"time"

	"log"

	"github.com/SamuelTariku/FortuneBet-Backend/internal/domain"
	betSvc "github.com/SamuelTariku/FortuneBet-Backend/internal/services/bet"
	enetpulse "github.com/SamuelTariku/FortuneBet-Backend/internal/services/enet_pulse"
	eventsvc "github.com/SamuelTariku/FortuneBet-Backend/internal/services/event"
	notificationservice "github.com/SamuelTariku/FortuneBet-Backend/internal/services/notification"
	oddssvc "github.com/SamuelTariku/FortuneBet-Backend/internal/services/odds"
	"github.com/SamuelTariku/FortuneBet-Backend/internal/services/report"
	resultsvc "github.com/SamuelTariku/FortuneBet-Backend/internal/services/result"
	"github.com/SamuelTariku/FortuneBet-Backend/internal/services/ticket"
	"github.com/SamuelTariku/FortuneBet-Backend/internal/services/virtualGame/orchestration"
	"github.com/robfig/cron/v3"
	"go.uber.org/zap"
)

func StartDataFetchingCrons(eventService eventsvc.Service, oddsService oddssvc.ServiceImpl, resultService *resultsvc.Service, mongoLogger *zap.Logger) {
	c := cron.New(cron.WithSeconds())

	schedule := []struct {
		spec string
		task func()
	}{
		{
			spec: "0 0 * * * *", // Every 1 hour
			task: func() {
				mongoLogger.Info("Began fetching upcoming events cron task")
				if err := eventService.FetchUpcomingEvents(context.Background()); err != nil {
					mongoLogger.Error("Failed to fetch upcoming events",
						zap.Error(err),
					)
				} else {
					mongoLogger.Info("Completed  fetching upcoming events without errors")
				}
			},
		},
		{
			spec: "0 0 * * * *", // Every 1 hour (since its takes that long to fetch all the events)
			task: func() {
				mongoLogger.Info("Began fetching non live odds cron task")
				if err := oddsService.FetchNonLiveOdds(context.Background()); err != nil {
					mongoLogger.Error("Failed to fetch non live odds",
						zap.Error(err),
					)
				} else {
					mongoLogger.Info("Completed fetching non live odds without errors")
				}
			},
		},
		{
			spec: "0 */5 * * * *", // Every 5 Minutes
			task: func() {
				mongoLogger.Info("Began update all expired events status cron task")
				if _, err := resultService.CheckAndUpdateExpiredB365Events(context.Background()); err != nil {
					mongoLogger.Error("Failed to update expired events status",
						zap.Error(err),
					)
				} else {
					mongoLogger.Info("Completed expired events without errors")
				}
			},
		},
		{
			spec: "0 */15 * * * *", // Every 15 Minutes
			task: func() {
				mongoLogger.Info("Began updating bets based on event results cron task")
				if err := resultService.FetchB365ResultAndUpdateBets(context.Background()); err != nil {
					mongoLogger.Error("Failed to process result",
						zap.Error(err),
					)
				} else {
					mongoLogger.Info("Completed processing all event result outcomes without errors")
				}
			},
		},
		{
			spec: "0 0 0 * * 1", // Every Monday
			task: func() {
				mongoLogger.Info("Began Send weekly result notification cron task")
				if err := resultService.CheckAndSendResultNotifications(context.Background(), time.Now().Add(-7*24*time.Hour)); err != nil {
					mongoLogger.Error("Failed to process result",
						zap.Error(err),
					)
				} else {
					mongoLogger.Info("Completed sending weekly result notification without errors")
				}
			},
		},
	}

	for _, job := range schedule {
		// job.task()
		if _, err := c.AddFunc(job.spec, job.task); err != nil {
			mongoLogger.Error("Failed to schedule data fetching cron job",
				zap.Error(err),
			)
		}
	}

	c.Start()
	log.Println("Cron jobs started for event and odds services")
	mongoLogger.Info("Cron jobs started for event and odds services")
}

func StartCleanupCrons(ticketService ticket.Service, notificationSvc *notificationservice.Service, mongoLogger *zap.Logger) {
	c := cron.New(cron.WithSeconds())

	schedule := []struct {
		spec string
		task func()
	}{
		{
			spec: "0 0 * * * *", // Every hour
			task: func() {
				mongoLogger.Info("Deleting old tickets")
				if err := ticketService.DeleteOldTickets(context.Background()); err != nil {
					mongoLogger.Error("Failed to remove old ticket",
						zap.Error(err),
					)
				} else {
					mongoLogger.Info("Successfully deleted old tickets")
				}
			},
		},
		{
			spec: "0 0 0 * * 1", // Every Monday (Weekly)
			task: func() {
				mongoLogger.Info("Deleting old notifications")
				if err := notificationSvc.DeleteOldNotifications(context.Background()); err != nil {
					mongoLogger.Error("Failed to remove old notifications",
						zap.Error(err),
					)
				} else {
					mongoLogger.Info("Successfully deleted old notifications")
				}
			},
		},
	}

	for _, job := range schedule {
		if _, err := c.AddFunc(job.spec, job.task); err != nil {
			mongoLogger.Error("Failed to schedule ticket cron job",
				zap.Error(err),
			)
		}
	}

	c.Start()
	mongoLogger.Info("Cron jobs started for ticket service")
}

// SetupReportCronJobs schedules periodic report generation
func SetupReportandVirtualGameCronJobs(
	ctx context.Context,
	reportService *report.Service,
	virtualGameOrchestrationService *orchestration.Service,
	outputDir string,
) {
	c := cron.New(cron.WithSeconds()) // WithSeconds for testing, remove in prod

	schedule := []struct {
		spec   string
		period string
	}{
		// { spec: "*/60 * * * * *", period: "test" }, // every 60 seconds for testing
		{
			spec:   "0 0 0 * * *", // daily at midnight
			period: "daily",
		},
	}

	for _, job := range schedule {
		period := job.period

		if _, err := c.AddFunc(job.spec, func() {
			log.Printf("[%s] Running virtual game & provider report job...", period)

			brandID := os.Getenv("VELI_BRAND_ID")
			if brandID == "" {
				log.Println("VELI_BRAND_ID not set, skipping virtual game sync")
				return
			}

			// Step 1. Fetch and store all virtual games
			req := domain.ProviderRequest{
				BrandID:   brandID,
				ExtraData: true,
				Size:      1000,
				Page:      1,
			}

			allGames, err := virtualGameOrchestrationService.FetchAndStoreAllVirtualGames(ctx, req, "ETB")
			if err != nil {
				log.Printf("[%s] Error fetching/storing virtual games: %v", period, err)
				return
			}

			log.Printf("[%s] Successfully fetched & stored %d virtual games", period, len(allGames))

			// Step 2. Fetch all providers
			providers, total, err := virtualGameOrchestrationService.ListProviders(ctx, 1000, 0)
			if err != nil {
				log.Printf("[%s] Failed to list providers: %v", period, err)
				return
			} else if total == 0 {
				log.Printf("[%s] No providers found, skipping report generation", period)
				return
			}

			log.Printf("[%s] Found %d total providers", period, total)

			// Step 3. Create provider-level daily report entries
			reportDate := time.Now().UTC().Truncate(24 * time.Hour)
			for _, p := range providers {
				createReq := domain.CreateVirtualGameProviderReport{
					ProviderID:       p.ProviderID,
					ReportDate:       reportDate,
					TotalGamesPlayed: 0,
					TotalBets:        0,
					TotalPayouts:     0,
					TotalPlayers:     0,
					ReportType:       period, // "daily"
				}

				_, err := virtualGameOrchestrationService.CreateVirtualGameProviderReport(ctx, createReq)
				if err != nil {
					log.Printf("[%s] Failed to create report for provider %s: %v", period, p.ProviderID, err)
					continue
				}

				log.Printf("[%s] Created daily report row for provider: %s", period, p.ProviderID)
			}

			log.Printf("[%s] Daily provider reports created successfully", period)

		}); err != nil {
			log.Fatalf("Failed to schedule %s cron job: %v", period, err)
		}
	}

	c.Start()
	log.Printf("Cron jobs started. Reports will be saved to: %s", outputDir)
}

func ProcessBetCashback(ctx context.Context, betService *betSvc.Service) {
	c := cron.New(cron.WithSeconds())

	schedule := []struct {
		spec string
		task func()
	}{
		{
			spec: "0 0 0 * * *", // Daily at midnight
			task: func() {
				log.Println("process bet cashbacks...")
				if err := betService.ProcessBetCashback(ctx); err != nil {
					log.Printf("Failed to process bet cashbacks: %v", err)
				} else {
					log.Printf("Successfully processed bet cashbacks")
				}
			},
		},
	}

	for _, job := range schedule {
		if _, err := c.AddFunc(job.spec, job.task); err != nil {
			log.Fatalf("Failed to schedule cron job: %v", err)
		}
	}

	c.Start()
	log.Println("Cron jobs started for bet cashbacks")
}

func StartEnetPulseCron(enetPulseSvc *enetpulse.Service, mongoLogger *zap.Logger) {
	c := cron.New(cron.WithSeconds())

	schedule := []struct {
		spec string
		task func()
	}{
		{
			spec: "0 0 */2 * * *", // Every 2 hours
			task: func() {
				ctx := context.Background()

				// 1️⃣ Sports
				mongoLogger.Info("Began fetching and storing sports cron task")
				if err := enetPulseSvc.FetchAndStoreSports(ctx); err != nil {
					mongoLogger.Error("Failed to fetch and store sports", zap.Error(err))
				} else {
					mongoLogger.Info("\n\n✅ Completed fetching and storing sports\n\n")
				}

				// 2️⃣ Tournament Templates
				mongoLogger.Info("Began fetching and storing tournament templates cron task")
				if err := enetPulseSvc.FetchAndStoreTournamentTemplates(ctx); err != nil {
					mongoLogger.Error("Failed to fetch and store tournament templates", zap.Error(err))
				} else {
					mongoLogger.Info("\n\n✅ Completed fetching and storing tournament templates\n\n")
				}

				// 3️⃣ Tournaments
				mongoLogger.Info("Began fetching and storing tournaments cron task")
				if err := enetPulseSvc.FetchAndStoreTournaments(ctx); err != nil {
					mongoLogger.Error("Failed to fetch and store tournaments", zap.Error(err))
				} else {
					mongoLogger.Info("\n\n✅ Completed fetching and storing tournaments\n\n")
				}

				// 4️⃣ Tournament Stages
				// mongoLogger.Info("Began fetching and storing tournament stages cron task")
				// if err := enetPulseSvc.FetchAndStoreTournamentStages(ctx); err != nil {
				// 	mongoLogger.Error("Failed to fetch and store tournament stages", zap.Error(err))
				// } else {
				// 	mongoLogger.Info("✅ \n\nCompleted fetching and storing tournament stages\n\n")
				// }

				// // 5️⃣ Fixtures
				mongoLogger.Info("Began fetching and storing fixtures cron task")
				today := time.Now().Format("2006-01-02")
				if err := enetPulseSvc.FetchAndStoreFixtures(ctx, today); err != nil {
					mongoLogger.Error("Failed to fetch and store fixtures", zap.Error(err))
				} else {
					mongoLogger.Info("\n\n✅ Completed fetching and storing fixtures\n\n")
				}

				// 6️⃣ Results
				// mongoLogger.Info("Began fetching and storing results cron task")
				// if err := enetPulseSvc.FetchAndStoreResults(ctx); err != nil {
				// 	mongoLogger.Error("Failed to fetch and store results", zap.Error(err))
				// } else {
				// 	mongoLogger.Info("\n\n✅ Completed fetching and storing results\n\n")
				// }

				// 7 Outcome Types
				mongoLogger.Info("Began fetching and storing outcome_types cron task")
				if err := enetPulseSvc.FetchAndStoreOutcomeTypes(ctx); err != nil {
					mongoLogger.Error("Failed to fetch and store outcome_types", zap.Error(err))
				} else {
					mongoLogger.Info("\n\n✅ Completed fetching and storing outcome_types\n\n")
				}

				// 8 Preodds
				mongoLogger.Info("Began fetching and storing preodds cron task")
				if err := enetPulseSvc.FetchAndStorePreodds(ctx); err != nil {
					mongoLogger.Error("Failed to fetch and store preodds", zap.Error(err))
				} else {
					mongoLogger.Info("\n\n✅ Completed fetching and storing preodds\n\n")
				}
			},
		},
	}

	for _, job := range schedule {
		// Run immediately at startup
		job.task()

		// Schedule the task
		if _, err := c.AddFunc(job.spec, job.task); err != nil {
			mongoLogger.Error("Failed to schedule EnetPulse cron job", zap.Error(err))
		}
	}

	c.Start()
	log.Println("EnetPulse cron jobs started for sports, tournament templates, tournaments, tournament stages, fixtures, and results")
	mongoLogger.Info("EnetPulse cron jobs started for sports, tournament templates, tournaments, tournament stages, fixtures, and results")
}