first commit

cmd/demo.go

@@ -0,0 +1,125 @@
+package cmd
+
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+	"strings"
+
+	"github.com/spf13/cobra"
+)
+
+var demoCmd = &cobra.Command{
+	Use:   "demo",
+	Short: "Run a demonstration of Devour features",
+	Long: `Demonstrates Devour's capabilities by scraping sample documentation
+and showing the enhanced markdown output.
+
+This command will:
+1. Scrape Go's HTTP package documentation
+2. Generate enhanced markdown output
+3. Display a preview of the results
+4. Show statistics about the operation`,
+	RunE: runDemo,
+}
+
+func init() {
+	rootCmd.AddCommand(demoCmd)
+}
+
+func runDemo(cmd *cobra.Command, args []string) error {
+	fmt.Println("🎬 Devour Feature Demonstration")
+	fmt.Println("═══════════════════════════════════════════════════════════════")
+	fmt.Println()
+
+	// Create demo directory
+	demoDir := "devour_demo"
+	if err := os.MkdirAll(demoDir, 0755); err != nil {
+		return fmt.Errorf("failed to create demo directory: %w", err)
+	}
+
+	fmt.Println("📍 Step 1: Scraping Go HTTP package documentation...")
+	fmt.Println("   Command: devour get go http --format markdown --output devour_demo")
+	fmt.Println()
+
+	// Set demo output directory and format
+	scrapeOutput = demoDir
+	scrapeFormat = "markdown"
+
+	// Use the get command logic to fetch Go HTTP docs
+	err := runGet(cmd, []string{"go", "http"})
+	if err != nil {
+		return fmt.Errorf("demo scrape failed: %w", err)
+	}
+
+	fmt.Println()
+	fmt.Println("📊 Step 2: Analyzing results...")
+
+	// Count files in demo directory
+	files, err := os.ReadDir(demoDir)
+	if err != nil {
+		return fmt.Errorf("failed to read demo directory: %w", err)
+	}
+
+	fmt.Printf("   ✓ Generated %d markdown files\n", len(files))
+
+	// Show file sizes
+	var totalSize int64
+	for _, file := range files {
+		if !file.IsDir() {
+			info, err := file.Info()
+			if err == nil {
+				totalSize += info.Size()
+			}
+		}
+	}
+	fmt.Printf("   ✓ Total size: %d bytes\n", totalSize)
+
+	fmt.Println()
+	fmt.Println("📖 Step 3: Preview of enhanced markdown output...")
+
+	// Find and show preview of first markdown file
+	var firstFile string
+	for _, file := range files {
+		if !file.IsDir() && filepath.Ext(file.Name()) == ".md" {
+			firstFile = filepath.Join(demoDir, file.Name())
+			break
+		}
+	}
+
+	if firstFile != "" {
+		content, err := os.ReadFile(firstFile)
+		if err == nil {
+			// Show first 20 lines
+			lines := strings.Split(string(content), "\n")
+			fmt.Printf("   From file: %s\n", filepath.Base(firstFile))
+			fmt.Println("   ─────────────────────────────────────────")
+			for i, line := range lines {
+				if i >= 20 {
+					fmt.Printf("   ... (%d more lines)\n", len(lines)-20)
+					break
+				}
+				fmt.Printf("   %s\n", line)
+			}
+		}
+	}
+
+	fmt.Println()
+	fmt.Println("✨ Demo Complete!")
+	fmt.Println()
+	fmt.Println("🚀 What you can do next:")
+	fmt.Printf("   • View all files: ls -la %s/\n", demoDir)
+	fmt.Printf("   • Open in editor: code %s/\n", demoDir)
+	fmt.Println("   • Try other languages: devour get python asyncio")
+	fmt.Println("   • Use enhanced format: devour get react hooks --format markdown")
+	fmt.Println("   • See all languages: devour languages")
+	fmt.Println()
+	fmt.Println("💡 Pro Tip: The enhanced markdown includes:")
+	fmt.Println("   • 📋 Document metadata tables")
+	fmt.Println("   • 📑 Auto-generated table of contents")
+	fmt.Println("   • 🎨 Visual indicators for important content")
+	fmt.Println("   • 🔗 Automatic link conversion")
+	fmt.Println("   • 📚 Structured content sections")
+
+	return nil
+}