package main

import (
	"context"
	"flag"
	"fmt"
	"log"
	"os"

	"navegator/pkg/browser"
)

func main() {
	urlFlag := flag.String("url", "", "URL to convert to markdown")
	selectorFlag := flag.String("selector", "", "CSS selector to convert (optional)")
	outputFlag := flag.String("output", "", "Output file (default: stdout)")
	noImages := flag.Bool("no-images", false, "Exclude images")
	noLinks := flag.Bool("no-links", false, "Convert links to plain text")
	flag.Parse()

	if *urlFlag == "" {
		log.Fatal("Usage: to_markdown -url <url> [-selector <css>] [-output <file>] [-no-images] [-no-links]")
	}

	ctx := context.Background()

	// Configurar navegador
	config := browser.DefaultConfig()
	config.ProfileName = "markdown-converter"
	config.StealthFlags.Headless = true

	// Lanzar navegador
	log.Println("Launching browser...")
	b, err := browser.Launch(ctx, config)
	if err != nil {
		log.Fatalf("Error launching browser: %v", err)
	}
	defer b.Close()

	// Navegar a URL
	log.Printf("Navigating to %s...\n", *urlFlag)
	opts := browser.DefaultNavigateOptions()
	opts.WaitUntil = "networkidle"

	if err := b.Navigate(ctx, *urlFlag, opts); err != nil {
		log.Printf("Warning: navigation error: %v\n", err)
	}

	// Configurar opciones de markdown
	mdOpts := browser.DefaultMarkdownOptions()
	mdOpts.Selector = *selectorFlag
	mdOpts.IncludeImages = !*noImages
	mdOpts.IncludeLinks = !*noLinks

	// Convertir a markdown
	log.Println("Converting to markdown...")
	markdown, err := b.ToMarkdown(ctx, mdOpts)
	if err != nil {
		log.Fatalf("Error converting to markdown: %v", err)
	}

	// Output
	if *outputFlag != "" {
		if err := os.WriteFile(*outputFlag, []byte(markdown), 0644); err != nil {
			log.Fatalf("Error writing to file: %v", err)
		}
		log.Printf("Markdown saved to %s\n", *outputFlag)
	} else {
		fmt.Println("\n=== MARKDOWN OUTPUT ===\n")
		fmt.Println(markdown)
	}
}