From d1362e04437ea8ce87057d4e94b745ebe828cdab Mon Sep 17 00:00:00 2001
From: Thijs Snelleman <32924404+thijssnelleman@users.noreply.github.com>
Date: Mon, 13 Jan 2025 12:27:25 +0100
Subject: [PATCH] CLI update (#138)

---
 CHANGELOG.md         |  1 +
 sparkle/CLI/_cli_.py | 11 ++++++++++-
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1c8ab846..3083bb20 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,7 @@ Notable changes to Sparkle will be documented in this file.
 
 ### Added
 - Flushing completed jobs from jobs command by hitting spacebar [SPRK-313]
+- "Did you mean" functionality for typos in CLI commands [SPRK-345]
 
 ### Changed
 - CI pipeline for unittest now tests for Python 3.10, 3.11 and 3.12
diff --git a/sparkle/CLI/_cli_.py b/sparkle/CLI/_cli_.py
index 9225974c..96db9c8c 100644
--- a/sparkle/CLI/_cli_.py
+++ b/sparkle/CLI/_cli_.py
@@ -52,7 +52,16 @@ def main() -> None:
         print(f"Sparkle autocomplete installed! To enable, run `source {bash_profile}` "
               "or restart your terminal.")
     else:
-        print(f"Sparkle does not understand command <{command}>")
+        print(f"Sparkle does not understand command <{command}>", end="")
+        from difflib import SequenceMatcher
+        similarities = [SequenceMatcher(None, command, alt).ratio()
+                        for alt in possible_commands]
+
+        if max(similarities) > 0.6:
+            alternative = possible_commands[similarities.index(max(similarities))]
+            print(f". Did you mean <{alternative}>?")
+        else:
+            print()
 
 
 if __name__ == "__main__":