feat(complete): completed

Cargo.toml

@@ -2,5 +2,3 @@
 name = "ralsay-rs"
 version = "0.1.0"
 edition = "2021"
-
-[dependencies]

src/main.rs

@@ -1,3 +1,76 @@
-fn main() {
-    println!("Hello, world!");
+use std::env;
+    
+fn text_wrap(text: &String, width: usize) -> Vec<String> {
+    let mut lines: Vec<String> = vec![];
+    let mut s_buf: String = "".to_string();
+    for word in text.split(" ") {
+        if s_buf.len() + word.len() >= width {
+            s_buf.pop();
+            lines.push(s_buf);
+            s_buf = "".to_string();
+        }
+        s_buf.push_str(&word);
+        s_buf.push_str(" ");
+    }
+    lines.push(s_buf);
+    lines
+}
+
+fn ralsay(text: String) {
+    let art: &'static str = "
+               -^- 
+           _/\\/_  \\/\\_
+          (____ ))____)
+           / -     - \\
+          / ( ^)-(^ ) \\
+         / ____v-v____ \\
+         \\(-    _-  __)/
+           \\-  -__---/
+           /  / V \\   \\
+          /__/\\   /    \\
+         =      V       =
+       _=_              _=_
+         -=---______---=-
+            _| | | |_
+           (___- -___)
+    ";
+
+    let initial_width: usize = 40;
+
+    let wrapped: Vec<String> = text_wrap(&text, initial_width);
+    let mut max_length: usize = 0;
+
+    for line in &wrapped {
+	if line.len() > max_length {
+	    max_length = line.len()
+	}
+    }
+
+    let box_width: usize = max_length + 2;
+    println!(" {}", "_".repeat(box_width),);
+    println!("/{}\\", " ".repeat(box_width));
+
+    for line in &wrapped {
+	println!("| {}{} |", line, " ".repeat(box_width - line.len() - 2));
+    }
+
+    println!("\\{}/", " ".repeat(box_width));
+    println!(" {}", "=".repeat(box_width));
+    println!("{}", art);
+}
+
+fn check_args() -> Vec<String> {
+    let mut args: Vec<String> = env::args().collect();
+    if args.len() == 1 {
+	eprintln!("You seem to have not written your message. Ralsei will therefore not respond to your command.");
+	std::process::exit(1);
+    }
+    args.remove(0);
+
+    args
+}
+
+fn main() {
+    let args: Vec<String> = check_args();
+    ralsay(args.join(" "));
 }