Refactor packages

src/main/java/wtf/beatrice/hidekobot/util/Logger.java

@@ -0,0 +1,84 @@
+package wtf.beatrice.hidekobot.util;
+
+import java.time.LocalDateTime;
+import java.time.format.DateTimeFormatter;
+import java.util.concurrent.Executors;
+import java.util.concurrent.TimeUnit;
+
+public class Logger
+{
+
+    // cosmetic string to print on startup.
+    private String logo =
+            "██╗░░██╗██╗██████╗░███████╗██╗░░██╗░█████╗░\n" +
+            "██║░░██║██║██╔══██╗██╔════╝██║░██╔╝██╔══██╗\n" +
+            "███████║██║██║░░██║█████╗░░█████═╝░██║░░██║\n" +
+            "██╔══██║██║██║░░██║██╔══╝░░██╔═██╗░██║░░██║\n" +
+            "██║░░██║██║██████╔╝███████╗██║░╚██╗╚█████╔╝\n" +
+            "╚═╝░░╚═╝╚═╝╚═════╝░╚══════╝╚═╝░░╚═╝░╚════╝░";
+
+    // objects that we need to have for a properly formatted message
+    private String className;
+    private final String format = "[%date% %time%] [%class%] %message%";
+    private final DateTimeFormatter dateFormatter = DateTimeFormatter.ofPattern("YYYY-MM-dd");
+    private final DateTimeFormatter timeFormatter = DateTimeFormatter.ofPattern("HH:mm:ss");
+
+
+    // when initializing a new logger, save variables in that instance
+    public Logger(Class logClass)
+    {
+        className = logClass.getSimpleName();
+    }
+
+    /**
+     * Logs a message to console, following a specific format.
+     *
+     * @param message the message to log
+     */
+    public void log(String message)
+    {
+        LocalDateTime now = LocalDateTime.now();
+        String currentDate = dateFormatter.format(now);
+        String currentTime = timeFormatter.format(now);
+        logRaw(format
+                .replace("%date%", currentDate)
+                .replace("%time%", currentTime)
+                .replace("%class%", className)
+                .replace("%message%", message));
+    }
+
+    /**
+     * Logs a message to console, after delaying it.
+     *
+     * @param message the message to log
+     * @param delay the time to wait before logging, in seconds
+     */
+    public void log(String message, int delay)
+    {
+        // create a new scheduled executor with an anonymous runnable...
+        //... after waiting <delay> seconds.
+        Executors.newSingleThreadScheduledExecutor().schedule(() -> log(message), delay, TimeUnit.SECONDS);
+
+    }
+
+    /**
+     * Prints a message to console without any formatting.
+     *
+     * @param message the message to log
+     */
+    public void logRaw(String message)
+    {
+        System.out.println(message);
+    }
+
+    /**
+     * Returns ASCII art saying the bot name.
+     *
+     * @return a String containing the logo
+     */
+    public String getLogo()
+    {
+        return logo;
+    }
+
+}