Return zets as JSON if --json or -j is passed

internal/lib/json.go

@@ -0,0 +1,48 @@
+package lib
+
+import (
+	"encoding/json"
+	"fmt"
+	"regexp"
+	"strconv"
+	"strings"
+)
+
+var ansiRegex = regexp.MustCompile(`\x1b\[[0-9;]*m`)
+
+type Item struct {
+	ID    int    `json:"id"`
+	Title string `json:"title"`
+}
+
+func AsJSON(zets []string) (string, error) {
+	var items []Item
+
+	for _, entry := range zets {
+		cleanEntry := stripANSI(entry)
+		parts := strings.SplitN(cleanEntry, " ", 2)
+
+		id, _ := strconv.Atoi(parts[0])
+
+		item := Item{
+			ID:    id,
+			Title: parts[1],
+		}
+
+		items = append(items, item)
+	}
+
+	jsonData, err := json.MarshalIndent(items, "", "  ")
+
+	if err != nil {
+		fmt.Println("Error marshaling to JSON:", err)
+
+		return "", err
+	}
+
+	return string(jsonData), nil
+}
+
+func stripANSI(s string) string {
+	return ansiRegex.ReplaceAllString(s, "")
+}