package main

import (
	"log"
	"os"
	"os/signal"
	"syscall"
	"tercul/internal/app"
	app_analytics "tercul/internal/app/analytics"
	analytics_job "tercul/internal/jobs/analytics"
	"tercul/internal/platform/config"
	app_log "tercul/internal/platform/log"

	"github.com/hibiken/asynq"
)

func main() {
	// Load configuration from environment variables
	config.LoadConfig()

	// Initialize structured logger
	app_log.SetDefaultLevel(app_log.InfoLevel)
	app_log.LogInfo("Starting Tercul worker")

	// Build application components
	appBuilder := app.NewApplicationBuilder()
	if err := appBuilder.Build(); err != nil {
		log.Fatalf("Failed to build application: %v", err)
	}
	defer appBuilder.Close()

	// Create asynq server
	srv := asynq.NewServer(
		asynq.RedisClientOpt{
			Addr:     config.Cfg.RedisAddr,
			Password: config.Cfg.RedisPassword,
			DB:       config.Cfg.RedisDB,
		},
		asynq.Config{
			Queues: map[string]int{
				app_analytics.QueueAnalytics: 10, // Process analytics queue with priority 10
			},
		},
	)

	// Create and register analytics worker
	analyticsWorker := analytics_job.NewWorker(appBuilder.App.AnalyticsService)
	mux := asynq.NewServeMux()
	mux.HandleFunc(string(app_analytics.EventTypeWorkViewed), analyticsWorker.ProcessTask)
	mux.HandleFunc(string(app_analytics.EventTypeWorkLiked), analyticsWorker.ProcessTask)
	mux.HandleFunc(string(app_analytics.EventTypeWorkCommented), analyticsWorker.ProcessTask)
	mux.HandleFunc(string(app_analytics.EventTypeWorkBookmarked), analyticsWorker.ProcessTask)
	mux.HandleFunc(string(app_analytics.EventTypeTranslationViewed), analyticsWorker.ProcessTask)
	mux.HandleFunc(string(app_analytics.EventTypeTranslationLiked), analyticsWorker.ProcessTask)
	mux.HandleFunc(string(app_analytics.EventTypeTranslationCommented), analyticsWorker.ProcessTask)

	// Start the server
	go func() {
		if err := srv.Run(mux); err != nil {
			log.Fatalf("could not run asynq server: %v", err)
		}
	}()

	// Wait for interrupt signal to gracefully shutdown the server
	quit := make(chan os.Signal, 1)
	signal.Notify(quit, syscall.SIGINT, syscall.SIGTERM)
	<-quit

	log.Println("Shutting down worker server...")
	srv.Shutdown()
	log.Println("Worker server shutdown successfully")
}