package main

import (
	"context"
	"fmt"
	"log"
	"net/http"
	"os/signal"
	"syscall"
	"time"

	"github.com/anotherhadi/iknowyou/config/env"
	internalapi "github.com/anotherhadi/iknowyou/internal/api"
	"github.com/anotherhadi/iknowyou/internal/registry"
	"github.com/anotherhadi/iknowyou/internal/search"
)

func main() {
	cfg, err := env.Load()
	if err != nil {
		log.Fatalf("env: %v", err)
	}

	manager := search.NewManager(cfg.ConfigPath, registry.Factories, cfg.SearchTTL, cfg.CleanupInterval)
	defer manager.Stop()

	if cfg.Demo {
		manager.InjectDemoSearches()
		log.Println("demo mode enabled")
	}

	router := internalapi.NewRouter(manager, registry.Factories, cfg.ConfigPath, cfg.FrontDir, cfg.Demo)

	srv := &http.Server{
		Addr:         fmt.Sprintf(":%d", cfg.Port),
		Handler:      router,
		ReadTimeout:  10 * time.Second,
		WriteTimeout: 30 * time.Second,
		IdleTimeout:  60 * time.Second,
	}

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

	go func() {
		log.Printf("listening on :%d (config: %s)", cfg.Port, cfg.ConfigPath)
		if err := srv.ListenAndServe(); err != nil && err != http.ErrServerClosed {
			log.Fatalf("server error: %v", err)
		}
	}()

	<-ctx.Done()
	log.Println("shutting down...")

	shutdownCtx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
	defer cancel()
	if err := srv.Shutdown(shutdownCtx); err != nil {
		log.Fatalf("graceful shutdown failed: %v", err)
	}

	log.Println("stopped")
}