From b6cab72b509e8873a4f3ccf4103709dd54fedaf9 Mon Sep 17 00:00:00 2001
From: Daniele Tonon <tonon@vitamino.it>
Date: Sun, 28 May 2023 01:48:46 +0200
Subject: [PATCH] Parse and show video

---
 utils.go | 20 ++++++++++++++++----
 1 file changed, 16 insertions(+), 4 deletions(-)

diff --git a/utils.go b/utils.go
index 4b3d1ec..633fbed 100644
--- a/utils.go
+++ b/utils.go
@@ -137,7 +137,6 @@ func ReplaceURLsWithTags(line string) string {
 		regexPattern := fmt.Sprintf(`\s*(https?://\S+%s)\s*`, extension)
 		regex := regexp.MustCompile(regexPattern)
 		matches := regex.FindAllString(line, -1)
-
 		for _, match := range matches {
 			imgTag := fmt.Sprintf(`<img src="%s" alt="">`, strings.ReplaceAll(match, "\n", ""))
 			line = strings.ReplaceAll(line, match, imgTag)
@@ -145,6 +144,19 @@ func ReplaceURLsWithTags(line string) string {
 		}
 	}
 
+	// Match and replace mp4 URLs with <video> tag
+	videoExtensions := []string{".mp4", ".ogg", ".webm"}
+	for _, extension := range videoExtensions {
+		regexPattern := fmt.Sprintf(`\s*(https?://\S+%s)\s*`, extension)
+		regex := regexp.MustCompile(regexPattern)
+		matches := regex.FindAllString(line, -1)
+		for _, match := range matches {
+			videoTag := fmt.Sprintf(`<video controls width="100%%"><source src="%s"></video>`, strings.ReplaceAll(match, "\n", ""))
+			line = strings.ReplaceAll(line, match, videoTag)
+			return line
+		}
+	}
+
 	// Match and replace npup1, nprofile1, note1, nevent1, etc
 	nostrRegexPattern := `\s*nostr:((npub|note|nevent|nprofile)1[a-z0-9]+)\s*`
 	nostrRegex := regexp.MustCompile(nostrRegexPattern)
@@ -161,8 +173,8 @@ func ReplaceURLsWithTags(line string) string {
 	})
 
 	// Match and replace other URLs with <a> tags
-	otherRegexPattern := `\S*(https?://\S+)\S*`
-	otherRegex := regexp.MustCompile(otherRegexPattern)
-	line = otherRegex.ReplaceAllString(line, `<a href="$1">$1</a>`)
+	hrefRegexPattern := `\S*(https?://\S+)\S*`
+	hrefRegex := regexp.MustCompile(hrefRegexPattern)
+	line = hrefRegex.ReplaceAllString(line, `<a href="$1">$1</a>`)
 	return line
 }