package main

import (
	"context"
	"flag"
	"log"
	"time"

	"gitcitadel-online/internal/cache"
	"gitcitadel-online/internal/config"
	"gitcitadel-online/internal/generator"
	"gitcitadel-online/internal/nostr"
	"gitcitadel-online/internal/server"
)

func main() {
	configPath := flag.String("config", "config.yaml", "Path to configuration file")
	devMode := flag.Bool("dev", false, "Enable development mode")
	flag.Parse()

	// Load configuration
	cfg, err := config.LoadConfig(*configPath)
	if err != nil {
		log.Fatalf("Failed to load config: %v", err)
	}

	if err := cfg.Validate(); err != nil {
		log.Fatalf("Invalid config: %v", err)
	}

	if *devMode {
		log.Println("Development mode enabled")
	}

	// Initialize caches
	pageCache := cache.NewCache()
	feedCache := cache.NewFeedCache()

	// Initialize Nostr client
	nostrClient := nostr.NewClient(cfg.Relays.Primary, cfg.Relays.Fallback)
	ctx := context.Background()
	if err := nostrClient.Connect(ctx); err != nil {
		log.Printf("Warning: Failed to connect to relays: %v", err)
	}

	// Initialize services
	wikiService := nostr.NewWikiService(nostrClient)
	feedService := nostr.NewFeedService(nostrClient)
	issueService := nostr.NewIssueService(nostrClient)

	// Initialize HTML generator
	htmlGenerator, err := generator.NewHTMLGenerator(
		"templates",
		cfg.LinkBaseURL,
		cfg.SEO.SiteName,
		cfg.SEO.SiteURL,
		cfg.SEO.DefaultImage,
	)
	if err != nil {
		log.Fatalf("Failed to initialize HTML generator: %v", err)
	}

	// Initialize cache rewarming
	rewarmer := cache.NewRewarmer(
		pageCache,
		feedCache,
		wikiService,
		feedService,
		htmlGenerator,
		cfg.WikiIndex,
		cfg.BlogIndex,
		cfg.Feed.Relay,
		cfg.Feed.MaxEvents,
		time.Duration(cfg.Cache.RefreshIntervalMinutes)*time.Minute,
		time.Duration(cfg.Feed.PollIntervalMinutes)*time.Minute,
	)

	// Start cache rewarming
	rewarmer.Start(ctx)

	// Initialize HTTP server
	httpServer := server.NewServer(cfg.Server.Port, pageCache, feedCache, issueService, cfg.RepoAnnouncement, htmlGenerator)

	// Start server in goroutine
	go func() {
		if err := httpServer.Start(); err != nil {
			log.Fatalf("Server failed: %v", err)
		}
	}()

	log.Printf("Server started on port %d", cfg.Server.Port)
	log.Println("Waiting for initial cache population...")

	// Wait a bit for initial cache
	time.Sleep(5 * time.Second)

	// Wait for shutdown signal
	httpServer.WaitForShutdown()

	// Close Nostr client
	nostrClient.Close()
}