From 5d965f1f24b6ea74613688bd45f1f2c42f3e4cef Mon Sep 17 00:00:00 2001
From: Odysseas Stavrou <odysseassu@gmail.com>
Date: Wed, 24 Nov 2021 14:07:36 +0200
Subject: [PATCH] Help Message for Interactive shell

---
 Cargo.lock  | 10 ++++++++++
 Cargo.toml  |  1 +
 src/main.rs | 26 ++++++++++++++------------
 3 files changed, 25 insertions(+), 12 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index fc74a35..9211b1a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -31,6 +31,7 @@ dependencies = [
  "clap",
  "colored",
  "log",
+ "pad",
  "rand 0.8.4",
  "serialport",
  "simplelog",
@@ -291,6 +292,15 @@ dependencies = [
  "autocfg",
 ]
 
+[[package]]
+name = "pad"
+version = "0.1.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d2ad9b889f1b12e0b9ee24db044b5129150d5eada288edc800f789928dc8c0e3"
+dependencies = [
+ "unicode-width",
+]
+
 [[package]]
 name = "pkg-config"
 version = "0.3.22"
diff --git a/Cargo.toml b/Cargo.toml
index 9c3e81e..38d1156 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -6,6 +6,7 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
+pad = "0.1.6"
 sudoku = "0.7.0"
 anyhow = "1.0.44"
 serialport = "4.0.1"
diff --git a/src/main.rs b/src/main.rs
index 099bc35..9408069 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,5 +1,6 @@
 use colored::*;
 use std::thread;
+use pad::PadStr;
 use std::fs::File;
 use std::time::Duration;
 use structopt::StructOpt;
@@ -422,7 +423,7 @@ fn go_interactive(port: &mut Port, sudoku: &lib::SudokuAvr, flag: bool) -> Resul
                     continue;
                 }
                 lib::write_uart(port, [b'N', x, y, z, b'\x0D', b'\x0A'].as_ref())?;
-                lib::wait_response(port, b"OK\x0D\x0A")?;
+                lib::wait_response(port, OK)?;
             },
             "debug" => {
                 if user_input_vec.len() > 3 {
@@ -483,15 +484,16 @@ fn recv_and_check(port: &mut Port, sudoku: &lib::SudokuAvr) -> Result<()> {
 
 
 fn print_help() {
-    println!("{}", "Available Commands: ".yellow());
-    println!("at");
-    println!("download");
-    println!("break");
-    println!("fill");
-    println!("debug");
-    println!("exit");
-    println!("clear");
-    println!("solution");
-    println!("unsolved");
-    println!("help | '?' ");
+    println!("{}", "Available Commands: ".yellow().bold());
+    println!("{}{}", "at".pad_to_width(20), "Attention");
+    println!("{}{}", "clear".pad_to_width(20), "Clear Board");
+    println!("{}{}", "play".pad_to_width(20), "Play Game");
+    println!("{}{}", "fill".pad_to_width(20), "Fill Cell [x y num]");
+    println!("{}{}", "solution".pad_to_width(20), "Print Solution");
+    println!("{}{}", "unsolved".pad_to_width(20), "Print Board");
+    println!("{}{}", "download".pad_to_width(20), "Download Board to AVR");
+    println!("{}{}", "break".pad_to_width(20), "Break");
+    println!("{}{}", "debug".pad_to_width(20), "Return the contents of a Cell [x y num]");
+    println!("{}{}", "exit".pad_to_width(20), "Exit");
+    println!("{}{}", "help or ?".pad_to_width(20), "Print this Help message");
 }