From 9d4178f1de1eff2d03aa00421c1c7c8b1bcf9c11 Mon Sep 17 00:00:00 2001
From: Kakabay <2kakabayashyrberdyew@gmail.com>
Date: Fri, 20 Dec 2024 18:23:26 +0500
Subject: [PATCH] rolling counter added

---
 .../lottery/RollingCounter/RollingCounter.tsx | 215 ++++++++++++++----
 .../RollingCounter/RollingCounterWorking.tsx  | 143 ++++++++++++
 2 files changed, 310 insertions(+), 48 deletions(-)
 create mode 100644 components/lottery/RollingCounter/RollingCounterWorking.tsx

diff --git a/components/lottery/RollingCounter/RollingCounter.tsx b/components/lottery/RollingCounter/RollingCounter.tsx
index 79b5e24..afab738 100644
--- a/components/lottery/RollingCounter/RollingCounter.tsx
+++ b/components/lottery/RollingCounter/RollingCounter.tsx
@@ -1,67 +1,186 @@
 'use client';
 import { motion } from 'framer-motion';
-import { useEffect, useState } from 'react';
+import { useCallback, useMemo, useState, useEffect } from 'react';
 
 interface RollingCounterProps {
-  numberString: string; // A 10-character string, e.g., "05-12-34-56-78"
+  numberString: string;
 }
 
+const ROLLS = 2;
+const DIGIT_HEIGHT = 104;
+const INITIAL_OFFSET = 38;
+const EXTRA_NUMBERS_AFTER = 5;
+const EXTRA_NUMBERS_BEFORE = 2;
+
+const getNumbers = (targetValue: number, previousValue?: number) => {
+  const numbers = [];
+
+  if (previousValue === undefined) {
+    // Initial load
+    for (let i = 0; i < ROLLS; i++) {
+      for (let n = 0; n < 10; n++) {
+        numbers.push(n);
+      }
+    }
+
+    // Add sequence before target
+    for (let n = EXTRA_NUMBERS_BEFORE; n > 0; n--) {
+      numbers.push((targetValue - n + 10) % 10);
+    }
+
+    numbers.push(targetValue);
+
+    // Add extra numbers after target
+    for (let n = 1; n <= EXTRA_NUMBERS_AFTER; n++) {
+      numbers.push((targetValue + n) % 10);
+    }
+  } else {
+    // Keep the previous sequence
+    for (let i = 0; i < ROLLS; i++) {
+      for (let n = 0; n < 10; n++) {
+        numbers.push(n);
+      }
+    }
+
+    // Add sequence before previous value
+    for (let n = EXTRA_NUMBERS_BEFORE; n > 0; n--) {
+      numbers.push((previousValue - n + 10) % 10);
+    }
+
+    numbers.push(previousValue);
+
+    // Add complete rolls between previous and target
+    for (let i = 0; i < ROLLS; i++) {
+      for (let n = 0; n < 10; n++) {
+        numbers.push(n);
+      }
+    }
+
+    // Add sequence before target
+    for (let n = EXTRA_NUMBERS_BEFORE; n > 0; n--) {
+      numbers.push((targetValue - n + 10) % 10);
+    }
+
+    numbers.push(targetValue);
+
+    // Add extra numbers after target
+    for (let n = 1; n <= EXTRA_NUMBERS_AFTER; n++) {
+      numbers.push((targetValue + n) % 10);
+    }
+  }
+
+  return numbers;
+};
+
+const RollingDigit = ({
+  targetValue,
+  index,
+  onAnimationComplete,
+  isStopped,
+  showHyphen,
+  previousValue,
+}: {
+  targetValue: number;
+  index: number;
+  onAnimationComplete: () => void;
+  isStopped: boolean;
+  showHyphen: boolean;
+  previousValue?: number;
+}) => {
+  const numbers = useMemo(
+    () => getNumbers(targetValue, previousValue),
+    [targetValue, previousValue],
+  );
+
+  return (
+    <div className="flex items-center">
+      <div className="overflow-hidden h-[180px] w-[77px] relative">
+        <motion.div
+          initial={false} // Don't reset to initial state
+          animate={{
+            y: -(numbers.length - EXTRA_NUMBERS_AFTER - 1) * DIGIT_HEIGHT + INITIAL_OFFSET,
+          }}
+          transition={{
+            duration: 2,
+            delay: index * 0.2,
+            ease: 'easeInOut',
+          }}
+          onAnimationComplete={onAnimationComplete}
+          className="absolute flex flex-col">
+          {numbers.map((num, i) => (
+            <div
+              key={`${index}-${i}`}
+              className={`h-[${DIGIT_HEIGHT}px] w-[77px] flex items-center justify-center numeric-display-1 transition-colors duration-500 ${
+                isStopped && num === targetValue ? 'text-white' : 'text-[#B0B1CD]'
+              }`}>
+              {num}
+            </div>
+          ))}
+        </motion.div>
+      </div>
+      {showHyphen && <div className="w-[32px] h-[4px] bg-lightOnPrimary mx-5 self-center" />}
+    </div>
+  );
+};
+
 const RollingCounter: React.FC<RollingCounterProps> = ({ numberString }) => {
-  const [rollingValues, setRollingValues] = useState<number[]>([]);
-  const [isStopped, setIsStopped] = useState<boolean[]>([]); // Track stopped numbers
+  const [isInitialLoading, setIsInitialLoading] = useState(true);
+  const [isStopped, setIsStopped] = useState<boolean[]>([]);
+  const [previousNumbers, setPreviousNumbers] = useState<number[]>([]);
+  const [isNewNumber, setIsNewNumber] = useState(false);
 
   useEffect(() => {
-    // Parse input string into an array of numbers, removing hyphens
-    const targetNumbers = numberString
+    if (!isInitialLoading) {
+      setPreviousNumbers(numbers);
+      setIsStopped(new Array(numberString.replace(/-/g, '').length).fill(false));
+      setIsNewNumber(true);
+    }
+  }, [numberString, isInitialLoading]);
+
+  const numbers = useMemo(() => {
+    if (!numberString) return [];
+
+    const parsed = numberString
       .replace(/-/g, '')
       .split('')
       .map((char) => parseInt(char, 10));
-    setRollingValues(targetNumbers);
-    setIsStopped(new Array(targetNumbers.length).fill(false));
-  }, [numberString]);
 
-  const getNumbers = () => Array.from({ length: 10 }, (_, i) => i);
+    if (isInitialLoading) {
+      setIsStopped(new Array(parsed.length).fill(false));
+      setIsInitialLoading(false);
+    }
+
+    return parsed;
+  }, [numberString, isInitialLoading]);
+
+  const handleAnimationComplete = useCallback((index: number) => {
+    setIsStopped((prev) => {
+      const newState = [...prev];
+      newState[index] = true;
+      return newState;
+    });
+  }, []);
+
+  if (isInitialLoading) {
+    return (
+      <div className="flex items-center justify-center bg-lightPrimary text-white py-4 px-6 rounded-full">
+        Loading...
+      </div>
+    );
+  }
 
   return (
     <div className="flex items-center justify-center bg-lightPrimary text-white py-4 px-6 rounded-full">
-      {rollingValues.map((targetValue, index) => (
-        <div key={index} className="flex items-center justify-center">
-          {/* Container to display numbers */}
-          <div className="overflow-hidden h-[180px] w-[77px] relative">
-            <motion.div
-              initial={{ y: '0%' }}
-              animate={{ y: `-${targetValue * 10}%` }}
-              transition={{
-                duration: 0.5 + index * 0.2,
-                ease: 'easeInOut',
-              }}
-              onAnimationComplete={() => {
-                // Mark this number as stopped
-                setIsStopped((prev) => {
-                  const newStatus = [...prev];
-                  newStatus[index] = true;
-                  return newStatus;
-                });
-              }}
-              className="absolute top-1/2 -translate-y-1/2 flex flex-col -mt-[52px]">
-              {getNumbers().map((num) => (
-                <div
-                  key={num}
-                  className={`px-4 py-2 numeric-display-1 transition-colors duration-500 ${
-                    isStopped[index] && num === targetValue
-                      ? 'text-white' // Stopped number
-                      : 'text-[#B0B1CD]' // Rolling numbers
-                  }`}>
-                  {num}
-                </div>
-              ))}
-            </motion.div>
-          </div>
-          {/* Add a hyphen every two digits */}
-          {(index + 1) % 2 === 0 && index !== rollingValues.length - 1 && (
-            <div className="w-[32px] h-[4px] bg-lightOnPrimary mx-5"></div>
-          )}
-        </div>
+      {numbers.map((num, index) => (
+        <RollingDigit
+          key={`${index}-${num}`}
+          targetValue={num}
+          previousValue={previousNumbers[index]}
+          index={index}
+          onAnimationComplete={() => handleAnimationComplete(index)}
+          isStopped={isStopped[index]}
+          showHyphen={(index + 1) % 2 === 0 && index !== numbers.length - 1}
+        />
       ))}
     </div>
   );
diff --git a/components/lottery/RollingCounter/RollingCounterWorking.tsx b/components/lottery/RollingCounter/RollingCounterWorking.tsx
new file mode 100644
index 0000000..4f0bf74
--- /dev/null
+++ b/components/lottery/RollingCounter/RollingCounterWorking.tsx
@@ -0,0 +1,143 @@
+'use client';
+import { motion } from 'framer-motion';
+import { useCallback, useMemo, useState } from 'react';
+
+interface RollingCounterWorkingProps {
+  numberString: string;
+}
+
+// Move constants outside component
+const ROLLS = 5;
+const DIGIT_HEIGHT = 104;
+const INITIAL_OFFSET = 38;
+const EXTRA_NUMBERS_AFTER = 5;
+const EXTRA_NUMBERS_BEFORE = 2;
+
+// Memoize number generation function
+const getNumbers = (targetValue: number) => {
+  const numbers = [];
+
+  // Add complete rolls
+  for (let i = 0; i < ROLLS; i++) {
+    for (let n = 0; n < 10; n++) {
+      numbers.push(n);
+    }
+  }
+
+  // Add sequence before target
+  for (let n = EXTRA_NUMBERS_BEFORE; n > 0; n--) {
+    numbers.push((targetValue - n + 10) % 10);
+  }
+
+  // Add target
+  numbers.push(targetValue);
+
+  // Add extra numbers after target
+  for (let n = 1; n <= EXTRA_NUMBERS_AFTER; n++) {
+    numbers.push((targetValue + n) % 10);
+  }
+
+  return numbers;
+};
+
+const RollingDigit = ({
+  targetValue,
+  index,
+  onAnimationComplete,
+  isStopped,
+  showHyphen,
+}: {
+  targetValue: number;
+  index: number;
+  onAnimationComplete: () => void;
+  isStopped: boolean;
+  showHyphen: boolean;
+}) => {
+  const numbers = useMemo(() => getNumbers(targetValue), [targetValue]);
+
+  const targetIndex = ROLLS * 10 + EXTRA_NUMBERS_BEFORE;
+
+  return (
+    <div className="flex items-center">
+      <div className="overflow-hidden h-[180px] w-[77px] relative">
+        <motion.div
+          initial={{ y: INITIAL_OFFSET }}
+          animate={{
+            y: -(targetIndex * DIGIT_HEIGHT) + INITIAL_OFFSET,
+          }}
+          transition={{
+            duration: 5,
+            delay: index * 4,
+            ease: 'easeInOut',
+          }}
+          onAnimationComplete={onAnimationComplete}
+          className="absolute flex flex-col">
+          {numbers.map((num, i) => (
+            <div
+              key={`${index}-${i}`}
+              className={`h-[${DIGIT_HEIGHT}px] w-[77px] flex items-center justify-center numeric-display-1 transition-colors duration-500 ${
+                isStopped && num === targetValue ? 'text-white' : 'text-[#B0B1CD]'
+              }`}>
+              {num}
+            </div>
+          ))}
+        </motion.div>
+      </div>
+      {showHyphen && <div className="w-[32px] h-[4px] bg-lightOnPrimary mx-5 self-center" />}
+    </div>
+  );
+};
+
+const RollingCounterWorking: React.FC<RollingCounterWorkingProps> = ({ numberString }) => {
+  const [isInitialLoading, setIsInitialLoading] = useState(true);
+  const [isStopped, setIsStopped] = useState<boolean[]>([]);
+
+  const numbers = useMemo(() => {
+    if (!numberString) return [];
+
+    const parsed = numberString
+      .replace(/-/g, '')
+      .split('')
+      .map((char) => parseInt(char, 10));
+
+    if (isInitialLoading) {
+      setIsStopped(new Array(parsed.length).fill(false));
+      setIsInitialLoading(false);
+    }
+
+    return parsed;
+  }, [numberString, isInitialLoading]);
+
+  const handleAnimationComplete = useCallback((index: number) => {
+    setIsStopped((prev) => {
+      const newState = [...prev];
+      newState[index] = true;
+      return newState;
+    });
+  }, []);
+
+  if (isInitialLoading) {
+    return (
+      <div className="flex items-center justify-center bg-lightPrimary text-white py-4 px-6 rounded-full">
+        Loading...
+      </div>
+    );
+  }
+
+  return (
+    <div className="flex items-center justify-center bg-lightPrimary text-white py-4 px-6 rounded-full">
+      {numbers.map((num, index) => (
+        <RollingDigit
+          key={`${index}-${num}`}
+          targetValue={num}
+          index={index}
+          onAnimationComplete={() => handleAnimationComplete(index)}
+          isStopped={isStopped[index]}
+          showHyphen={(index + 1) % 2 === 0 && index !== numbers.length - 1}
+        />
+      ))}
+    </div>
+  );
+};
+
+export default RollingCounterWorking;