From 00b47b3058b6adc6f4e17651ea6b73f81435b8b6 Mon Sep 17 00:00:00 2001
From: Ken Matsui <26405363+ken-matsui@users.noreply.github.com>
Date: Mon, 8 Nov 2021 09:12:31 +0900
Subject: [PATCH] feat(sessions): Suggestion for a similar session name

Remove unnecessary to_string

Replace `garando_syntax` crate with `lev_distance` which is much smaller

Replace `lev_distance` crate with `suggestion` to simplify the code
---
 Cargo.lock      | 16 ++++++++++++++++
 Cargo.toml      |  1 +
 src/sessions.rs |  4 ++++
 3 files changed, 21 insertions(+)

diff --git a/Cargo.lock b/Cargo.lock
index 859c316e..72c766b0 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1174,6 +1174,12 @@ version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "884e2677b40cc8c339eaefcb701c32ef1fd2493d71118dc0ca4b6a736c93bd67"
 
+[[package]]
+name = "lev_distance"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4d234d89ecf5621c935b69a4c7266c9a634a95e465081682be47358617ce825b"
+
 [[package]]
 name = "libc"
 version = "0.2.106"
@@ -2152,6 +2158,15 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "suggestion"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "015336207b7660be204f5012fcdb84b3ff35442b26cea77ebe6103929a56e54b"
+dependencies = [
+ "lev_distance",
+]
+
 [[package]]
 name = "syn"
 version = "1.0.81"
@@ -2868,6 +2883,7 @@ dependencies = [
  "names",
  "rand 0.8.4",
  "ssh2",
+ "suggestion",
  "zellij-client",
  "zellij-server",
  "zellij-utils",
diff --git a/Cargo.toml b/Cargo.toml
index c964af41..0830ddd7 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -21,6 +21,7 @@ zellij-server = { path = "zellij-server/", version = "0.20.0" }
 zellij-utils = { path = "zellij-utils/", version = "0.20.0" }
 log = "0.4.14"
 dialoguer = "0.9.0"
+suggestion = "0.1.0"
 
 [dev-dependencies]
 insta = { version = "1.6.0", features = ["backtrace"] }
diff --git a/src/sessions.rs b/src/sessions.rs
index bf44d088..4d2fe5fb 100644
--- a/src/sessions.rs
+++ b/src/sessions.rs
@@ -1,6 +1,7 @@
 use std::os::unix::fs::FileTypeExt;
 use std::time::SystemTime;
 use std::{fs, io, process};
+use suggestion::Suggest;
 use zellij_utils::{
     consts::ZELLIJ_SOCK_DIR,
     interprocess::local_socket::LocalSocketStream,
@@ -177,6 +178,9 @@ pub(crate) fn assert_session(name: &str) {
                 return;
             } else {
                 println!("No session named {:?} found.", name);
+                if let Some(sugg) = get_sessions().unwrap().suggest(name) {
+                    println!("  help: Did you mean `{}`?", sugg);
+                }
             }
         }
         Err(e) => {