String closeness seems alright

Might be worth sorting by relevance

scryfall_deser/src/main.rs

@@ -1,5 +1,6 @@
 use clap::Parser;
 use scryfall_deser::find_matching_cards_scryfall_style;
+use scryfall_deser::get_all_mtg_words;
 use scryfall_deser::get_card_by_name;
 use scryfall_deser::get_local_cache_folder;
 use scryfall_deser::init_db;
@@ -15,15 +16,16 @@ impl Termination for MtgCardExit {
             MtgCardExit::Success => ExitCode::SUCCESS,
             MtgCardExit::EmptySearchString => ExitCode::from(101),
             MtgCardExit::NoExactMatchCard => ExitCode::from(102),
+            MtgCardExit::DidYouMean => ExitCode::from(105),
         }
     }
 }
 
 enum MtgCardExit {
-    // No error... unsure it should be in this enum
     Success,
     EmptySearchString,
     NoExactMatchCard,
+    DidYouMean,
 }
 
 #[derive(Parser, Debug)]
@@ -88,14 +90,26 @@ fn main() -> MtgCardExit {
     let matching_cards = find_matching_cards_scryfall_style(&args.search_text);
 
     if matching_cards.is_empty() {
-        // Do some distance checking stuff
+        let mtg_words = get_all_mtg_words();
+        let mut close_names = Vec::new();
+        for search_string in args.search_text {
+            for mtg_card_name in &mtg_words {
+                let dist = damerau_levenshtein(&search_string, &mtg_card_name);
+                if dist <= 2 {
+                    close_names.push(mtg_card_name);
+                }
+            }
+        }
+        for card in close_names {
+            println!("{}", card);
+        }
+        return MtgCardExit::DidYouMean;
     } else if matching_cards.len() == 1 {
         let card = get_card_by_name(&matching_cards[0].name, GetNameType::LowercaseName).unwrap();
         println!("{}", card);
         return MtgCardExit::Success;
     } else {
         for card in matching_cards {
-            dbg!(&card);
             println!(
                 "{}",
                 get_card_by_name(&card.lowercase_name, GetNameType::LowercaseName)
@@ -105,5 +119,4 @@ fn main() -> MtgCardExit {
         }
         return MtgCardExit::Success;
     }
-    unreachable!("Don't know how you got here - there's a real bug with this");
 }