package main

import (
	"log"
	"net"
	"net/http"
	"os"

	"pdf-form-converter/db"
	"pdf-form-converter/handlers"
	"pdf-form-converter/llm"
)

func main() {
	port := os.Getenv("PORT")
	if port == "" {
		port = "8080"
	}

	dbPath := os.Getenv("DB_PATH")
	if dbPath == "" {
		dbPath = "data/forms.db"
	}

	if err := os.MkdirAll("data", 0755); err != nil {
		log.Fatalf("failed to create data directory: %v", err)
	}

	database, err := db.New(dbPath)
	if err != nil {
		log.Fatalf("failed to open database: %v", err)
	}
	defer database.Close()

	var llmClient *llm.Client
	if os.Getenv("LLM_API_KEY") != "" {
		llmClient, err = llm.NewClient()
		if err != nil {
			log.Printf("warning: LLM client not configured: %v", err)
		}
	}

	adminHandler := handlers.NewAdminHandler(database, llmClient)
	formHandler := handlers.NewFormHandler(database)

	mux := http.NewServeMux()
	adminHandler.Register(mux)
	formHandler.Register(mux)

	// Static file serving
	mux.Handle("/static/public/", http.StripPrefix("/static/public/", http.FileServer(http.Dir("static/public"))))
	mux.Handle("/static/admin/", http.StripPrefix("/static/admin/", http.FileServer(http.Dir("static/admin"))))

	// Root redirect
	mux.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
		http.ServeFile(w, r, "static/public/index.html")
	})

	addr := ":" + port
	log.Printf("Server starting on %s", addr)
	log.Printf("Admin: http://localhost%s/admin", addr)

	listener, err := net.Listen("tcp", addr)
	if err != nil {
		log.Fatalf("failed to listen: %v", err)
	}
	log.Fatal(http.Serve(listener, mux))
}