colorize output

Cargo.lock

@@ -158,6 +158,15 @@ version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b05b61dc5112cbb17e4b6cd61790d9845d13888356391624cbe7e41efeac1e75"
 
+[[package]]
+name = "colored"
+version = "3.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "faf9468729b8cbcea668e36183cb69d317348c2e08e994829fb56ebfdfbaac34"
+dependencies = [
+ "windows-sys",
+]
+
 [[package]]
 name = "core-foundation-sys"
 version = "0.8.7"
@@ -327,6 +336,7 @@ dependencies = [
  "chrono",
  "chrono-tz",
  "clap",
+ "colored",
 ]
 
 [[package]]

Cargo.toml

@@ -7,3 +7,4 @@ edition = "2024"
 chrono = "0.4.43"
 chrono-tz = "0.10.4"
 clap = { version = "4.5.57", features = ["derive"] }
+colored = "3.1.1"

src/cli.rs

@@ -5,6 +5,7 @@ use chrono::NaiveTime;
 use chrono_tz::Etc::UTC;
 use chrono_tz::Tz;
 use clap::Parser;
+use colored::Colorize;
 use std::error::Error;
 use std::fmt;
 use std::iter;
@@ -116,10 +117,29 @@ pub fn print_timezones(
 }
 
 fn print_timetable(name: &String, name_padding_len: u32, timetable: &Vec<NaiveTime>) {
+    let len = timetable.len();
+    let mid = (len - 1) / 2;
+    let acceptable_time_from = NaiveTime::from_hms_opt(8, 0, 0).unwrap();
+    let acceptable_time_to = NaiveTime::from_hms_opt(20, 0, 0).unwrap();
     let formatted: Vec<String> = timetable
         .iter()
         .enumerate()
-        .map(|(i, t)| t.format("%H:%M").to_string())
+        .map(|(i, t)| {
+            let stringified = t.format("%H:%M").to_string();
+
+            let acceptable_hours_formatted = if t < &acceptable_time_from || t > &acceptable_time_to
+            {
+                stringified.color("#fea201")
+            } else {
+                stringified.green()
+            };
+
+            if i == mid {
+                acceptable_hours_formatted.reversed().to_string()
+            } else {
+                acceptable_hours_formatted.to_string()
+            }
+        })
         .collect();
     let name_padding = (0..name_padding_len)
         .map(|_| " ".to_string())