python: update random timer experiment

python/src/random-timer.py

@@ -1,6 +1,8 @@
 # Imports go at the top
+
 import random
 
+import music
 from microbit import *
 
 
@@ -37,22 +39,66 @@ class MyImages:
         "90609:"
     )  # fmt: off
 
+    hourglass_progress_2: Image = Image(
+        "99999:"
+        "09990:"
+        "00900:"
+        "09690:"
+        "99999:"
+    )  # fmt: off
+
+    hourglass_progress_3: Image = Image(
+        "99999:"
+        "09990:"
+        "00900:"
+        "09090:"
+        "99999:"
+    )  # fmt: off
 
-myimages = MyImages()
 
-print("INFO: Random Hourglass Timer")
+class RandomTimer:
+    """Random Timer experiment"""
 
-# Code in a 'while True:' loop repeats forever
-while True:
-    seconds: int = random.randint(10, 90)
-    display.show(myimages.hourglass_start)
-    sleep(1_000)
+    def __init__(self) -> None:
+        self.images: MyImages = MyImages()
+        self.lower_bound: int = 10
+        self.upper_bound: int = 90
+        self.duration: int = 0
 
-    print("INFO: starting " + str(seconds) + " second timer")
-    for i in range(0, seconds):
-        display.show(getattr(myimages, "hourglass_progress_" + str(i % 2)))
+    def run(self) -> None:
+        """Run the timer."""
+
+        self.duration: int = random.randint(self.lower_bound, self.upper_bound)
+
+        display.show(self.images.hourglass_start)
         sleep(1_000)
 
-    print("INFO: timer has completed")
-    display.show(myimages.hourglass_end)
-    sleep(1_000)
+        print("INFO: starting " + str(self.duration) + " second timer")
+
+        offset: int = 0
+
+        for i in range(self.duration, 0, -1):
+            if i < self.duration // 2:
+                offset = 2
+
+            display.show(getattr(self.images, "hourglass_progress_" + str(offset + (i % 2))))
+            sleep(1_000)
+
+        print("INFO: timer has completed")
+        display.show(self.images.hourglass_end)
+
+        music.play(music.BA_DING)
+
+
+print()
+print("Random Timer")
+print()
+
+
+app: RandomTimer = RandomTimer()
+
+# Code in a 'while True:' loop repeats forever
+while True:
+    app.run()
+
+    sleep(5_000)