add line wrapping support

cmd/enbas/show.go

@@ -5,6 +5,7 @@ import (
 	"flag"
 	"fmt"
 	"strings"
+	"unicode"
 
 	"codeflow.dananglin.me.uk/apollo/enbas/internal/client"
 	"codeflow.dananglin.me.uk/apollo/enbas/internal/config"
@@ -148,7 +149,7 @@ func (c *showCommand) showAccount(gts *client.Client) error {
 		account.FollowersCount,
 		account.FollowingCount,
 		account.StatusCount,
-		stripHTMLTags(account.Note),
+		wrapLine(stripHTMLTags(account.Note), "\n  ", 80),
 		metadata,
 		account.URL,
 	)
@@ -171,3 +172,26 @@ func stripHTMLTags(text string) string {
 		}
 	}
 }
+
+func wrapLine(line, separator string, charLimit int) string {
+	if len(line) <= charLimit {
+		return line
+	}
+
+	leftcursor, rightcursor := 0, 0
+
+	var builder strings.Builder
+
+	for rightcursor < (len(line) - charLimit) {
+		rightcursor += charLimit
+		for !unicode.IsSpace(rune(line[rightcursor-1])) {
+			rightcursor--
+		}
+		builder.WriteString(line[leftcursor:rightcursor] + separator)
+		leftcursor = rightcursor
+	}
+
+	builder.WriteString(line[rightcursor:])
+
+	return builder.String()
+}