From ae90848cfcde0d982a0a273bce6bbb25de87dba2 Mon Sep 17 00:00:00 2001
From: Leo <47073066+jaranmio@users.noreply.github.com>
Date: Thu, 9 Jan 2025 09:07:20 -0500
Subject: [PATCH] Not found page (#871)

Co-authored-by: Lowell Torola <lmtorola@mit.edu>
---
 frontend/src/components/CountdownDigital.tsx | 161 +++++++++++++++++++
 1 file changed, 161 insertions(+)
 create mode 100644 frontend/src/components/CountdownDigital.tsx

diff --git a/frontend/src/components/CountdownDigital.tsx b/frontend/src/components/CountdownDigital.tsx
new file mode 100644
index 000000000..b3ecb27f9
--- /dev/null
+++ b/frontend/src/components/CountdownDigital.tsx
@@ -0,0 +1,161 @@
+import type React from "react";
+import { useEffect, useMemo, useState } from "react";
+
+const thousand = 1000;
+const sixty = 60;
+const hoursInDay = 24;
+const fullPercentage = 100;
+const countDownRefreshRate = 30;
+
+interface ProgressCircleProps {
+  sqSize: number;
+  percentage: number;
+}
+
+const ProgressCircle: React.FC<ProgressCircleProps> = ({
+  sqSize,
+  percentage,
+}) => {
+  const strokeWidth = 6;
+  const radius = (sqSize - strokeWidth) / 2;
+  const viewBox = `0 0 ${sqSize} ${sqSize}`;
+  const dashArray = radius * Math.PI * 2;
+  const dashOffset = dashArray - (dashArray * percentage) / fullPercentage;
+
+  return (
+    <svg width={sqSize} height={sqSize} viewBox={viewBox}>
+      <circle
+        className="fill-none stroke-gray-200"
+        cx={sqSize / 2}
+        cy={sqSize / 2}
+        r={radius}
+        strokeWidth={`${strokeWidth / 2}px`}
+      />
+      <circle
+        className="fill-none stroke-cyan-600 transition-all delay-200 ease-in"
+        cx={sqSize / 2}
+        cy={sqSize / 2}
+        r={radius}
+        strokeLinecap="round"
+        strokeWidth={`${strokeWidth}px`}
+        transform={`rotate(-90 ${sqSize / 2} ${sqSize / 2})`}
+        style={{
+          strokeDasharray: dashArray,
+          strokeDashoffset: dashOffset,
+        }}
+      />
+    </svg>
+  );
+};
+
+interface DateParams {
+  days: number;
+  hours: number;
+  minutes: number;
+}
+
+const computeTimeDiff = (fromDate: Date, toDate: Date): DateParams => {
+  const timeDiff = toDate.getTime() - fromDate.getTime();
+
+  const days = Math.floor(timeDiff / (thousand * sixty * sixty * hoursInDay));
+  const hours = Math.floor(
+    (timeDiff % (thousand * sixty * sixty * hoursInDay)) /
+      (thousand * sixty * sixty),
+  );
+  const minutes = Math.floor(
+    (timeDiff % (thousand * sixty * sixty)) / (thousand * sixty),
+  );
+
+  return { days, hours, minutes };
+};
+
+interface CountdownDigitalProps {
+  date: Date;
+  title?: string;
+}
+
+const CountdownDigital: React.FC<CountdownDigitalProps> = ({ date }) => {
+  const currentTime = new Date();
+  const [count, setCount] = useState(0);
+
+  useEffect(() => {
+    const intervalId = setInterval(() => {
+      setCount((prevCount) => prevCount + 1);
+    }, thousand * countDownRefreshRate);
+    return () => {
+      clearInterval(intervalId);
+    };
+  }, []);
+
+  const countdownInfo = useMemo(
+    () => computeTimeDiff(currentTime, date),
+    [count],
+  );
+  const progressCircleSize = 140;
+  const percentageDays =
+    ((sixty - countdownInfo.days) / sixty) * fullPercentage;
+  const percentageHours =
+    ((hoursInDay - countdownInfo.hours) / hoursInDay) * fullPercentage;
+  const percentageMins =
+    ((sixty - countdownInfo.minutes) / sixty) * fullPercentage;
+  const countTxtSize = "3xl";
+  const labelTxtSize = "l";
+
+  return (
+    <div className={`flex max-w-max flex-row justify-evenly gap-8`}>
+      <div className="relative">
+        {ProgressCircle({
+          sqSize: progressCircleSize,
+          percentage: percentageDays,
+        })}
+
+        <div
+          className={`absolute top-${progressCircleSize / 2} left-${
+            progressCircleSize / 2
+          } start-1/2 top-1/2 -translate-x-1/2 -translate-y-1/2 transform text-center`}
+        >
+          <span className={`font-bold text-${countTxtSize}`}>
+            {countdownInfo.days}
+          </span>
+          <span className={`block text-${labelTxtSize}`}>Days</span>
+        </div>
+      </div>
+      <div className="relative">
+        {ProgressCircle({
+          sqSize: progressCircleSize,
+          percentage: percentageHours,
+        })}
+
+        <div
+          className={`absolute top-${progressCircleSize / 2} left-${
+            progressCircleSize / 2
+          } start-1/2 top-1/2 -translate-x-1/2 -translate-y-1/2 transform text-center`}
+        >
+          <span className={`font-bold text-${countTxtSize}`}>
+            {countdownInfo.hours}
+          </span>
+          <span className={`block text-${labelTxtSize}`}>Hours</span>
+        </div>
+      </div>
+      <div className="relative">
+        {ProgressCircle({
+          sqSize: progressCircleSize,
+          percentage: percentageMins,
+        })}
+
+        <div
+          className={`absolute top-${progressCircleSize / 2} left-${
+            progressCircleSize / 2
+          } start-1/2 top-1/2 -translate-x-1/2 -translate-y-1/2 transform text-center`}
+        >
+          <span className={`font-bold text-${countTxtSize}`}>
+            {countdownInfo.minutes}
+          </span>
+          <span className={`block text-${labelTxtSize}`}>Mins</span>
+        </div>
+      </div>
+    </div>
+  );
+};
+
+export default CountdownDigital;