From b70da6f7f2d2e26699472204f07af361db83afae Mon Sep 17 00:00:00 2001
From: steven-omaha <35634100+steven-omaha@users.noreply.github.com>
Date: Thu, 27 Apr 2023 10:49:54 +0200
Subject: [PATCH] feat(review): print enumerated groups with leading spaces

---
 crates/pacdef_core/src/review/mod.rs | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/crates/pacdef_core/src/review/mod.rs b/crates/pacdef_core/src/review/mod.rs
index ff557d6..dc78ada 100644
--- a/crates/pacdef_core/src/review/mod.rs
+++ b/crates/pacdef_core/src/review/mod.rs
@@ -127,11 +127,18 @@ fn ask_user_action_for_package(supports_as_dependency: bool) -> Result<ReviewInt
 }
 
 fn print_enumerated_groups(groups: &[Rc<Group>]) {
+    let number_digits = get_amount_of_digits_for_number(groups.len());
+
     for (i, group) in groups.iter().enumerate() {
-        println!("{i}: {}", group.name);
+        println!("{i:>number_digits$}: {}", group.name);
     }
 }
 
+#[allow(clippy::as_conversions)] // this cannot introduce errors for any reasonably sized numbers.
+fn get_amount_of_digits_for_number(number: usize) -> usize {
+    (number as f64).log10().trunc() as usize + 1
+}
+
 fn ask_group(groups: &[Rc<Group>]) -> Result<Option<Rc<Group>>> {
     print_enumerated_groups(groups);
     let mut buf = String::new();