feat: Add status code reporting for broken links

linkchecker.go

@@ -19,19 +19,31 @@ func NewLinkChecker() *LinkChecker {
 	}
 }
 
-func (lc *LinkChecker) CheckLinks(baseURL string) ([]string, error) {
+type BrokenLink struct {
+	URL        string
+	StatusCode int
+	Error      string
+}
+
+func (lc *LinkChecker) CheckLinks(baseURL string) ([]BrokenLink, error) {
 	// Get all links from the page
 	links, err := lc.getLinks(baseURL)
 	if err != nil {
 		return nil, fmt.Errorf("error getting links: %w", err)
 	}
 
-	var brokenLinks []string
+	var brokenLinks []BrokenLink
 
 	// Check each link
 	for _, link := range links {
-		if !lc.isLinkValid(link) {
-			brokenLinks = append(brokenLinks, link)
+		if status, err := lc.isLinkValid(link); status >= 400 || err != nil {
+			broken := BrokenLink{URL: link}
+			if err != nil {
+				broken.Error = err.Error()
+			} else {
+				broken.StatusCode = status
+			}
+			brokenLinks = append(brokenLinks, broken)
 		}
 	}
 
@@ -87,12 +99,12 @@ func (lc *LinkChecker) getLinks(pageURL string) ([]string, error) {
 	return links, nil
 }
 
-func (lc *LinkChecker) isLinkValid(link string) bool {
+func (lc *LinkChecker) isLinkValid(link string) (int, error) {
 	resp, err := lc.client.Get(link)
 	if err != nil {
-		return false
+		return 0, err
 	}
 	defer resp.Body.Close()
 
-	return resp.StatusCode >= 200 && resp.StatusCode < 400
+	return resp.StatusCode, nil
 }

main.go

@@ -27,6 +27,10 @@ func main() {
 
 	fmt.Println("Found broken links:")
 	for _, link := range brokenLinks {
-		fmt.Printf("- %s\n", link)
+		if link.Error != "" {
+			fmt.Printf("- %s (Error: %s)\n", link.URL, link.Error)
+		} else {
+			fmt.Printf("- %s (Status: %d)\n", link.URL, link.StatusCode)
+		}
 	}
 }