package main

import (
	"chatapp3-golang/internal/bootstrap"
	"chatapp3-golang/internal/router"
	"chatapp3-golang/internal/service/baishun"
	"chatapp3-golang/internal/service/invite"
	"chatapp3-golang/internal/service/luckygift"
	"chatapp3-golang/internal/service/registerreward"
	"chatapp3-golang/internal/service/signinreward"
	"chatapp3-golang/internal/service/weekstar"
	"context"
	"errors"
	"log"
	"net/http"
	"os/signal"
	"syscall"
	"time"
	_ "time/tzdata"
)

func main() {
	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
	defer cancel()

	app, err := bootstrap.New(ctx)
	if err != nil {
		log.Fatalf("bootstrap api failed: %v", err)
	}

	inviteService := invite.NewInviteService(app.Config, app.Repository.DB, app.Repository.Redis, &app.Gateways)
	baishunService := baishun.NewBaishunService(app.Config, app.Repository.DB, app.Repository.Redis, &app.Gateways)
	luckyGiftService := luckygift.NewLuckyGiftService(app.Config, app.Repository.DB, app.Repository.Redis, app.Gateways.Wallet)
	registerRewardService := registerreward.NewRegisterRewardService(app.Config, app.Repository.DB, app.Repository.Redis, &app.Gateways)
	signInRewardService := signinreward.NewSignInRewardService(app.Config, app.Repository.DB, app.Repository.Redis, &app.Gateways)
	weekStarService := weekstar.NewWeekStarService(app.Config, app.Repository.DB, app.Repository.Redis, &app.Gateways)
	engine := router.NewRouter(app.Config, app.Repository, &app.Gateways, router.Services{
		Invite:         inviteService,
		Baishun:        baishunService,
		LuckyGift:      luckyGiftService,
		RegisterReward: registerRewardService,
		SignInReward:   signInRewardService,
		WeekStar:       weekStarService,
	})
	server := &http.Server{
		Addr:              app.Config.HTTP.ListenAddr,
		Handler:           engine,
		ReadHeaderTimeout: 10 * time.Second,
	}
	serverErrors := make(chan error, 1)
	go func() {
		log.Printf("chatapp3-golang api listening on %s", app.Config.HTTP.ListenAddr)
		if err := server.ListenAndServe(); err != nil && !errors.Is(err, http.ErrServerClosed) {
			serverErrors <- err
			return
		}
		serverErrors <- nil
	}()

	shutdownSignal, stop := signal.NotifyContext(context.Background(), syscall.SIGINT, syscall.SIGTERM)
	defer stop()

	select {
	case err := <-serverErrors:
		if err != nil {
			log.Fatalf("run server failed: %v", err)
		}
		return
	case <-shutdownSignal.Done():
		log.Printf("shutdown signal received, draining http traffic")
	}

	shutdownCtx, cancelShutdown := context.WithTimeout(context.Background(), app.Config.HTTP.ShutdownTimeout)
	defer cancelShutdown()
	if err := server.Shutdown(shutdownCtx); err != nil {
		log.Printf("graceful shutdown failed: %v", err)
		if closeErr := server.Close(); closeErr != nil {
			log.Printf("force close failed: %v", closeErr)
		}
	}
	if err := <-serverErrors; err != nil {
		log.Fatalf("server exited with error during shutdown: %v", err)
	}
}