import { GetActiveSprint, RemoveActiveSprint, SaveActiveSprint, } from '@/lib/asyncStorage'; import { supabase } from '@/lib/supabase'; import type { Task } from '@/lib/types'; import * as Haptics from 'expo-haptics'; import { Stack, useLocalSearchParams } from 'expo-router'; import * as React from 'react'; import { Animated, Dimensions, Easing, StatusBar, StyleSheet, Text, TouchableOpacity, View } from 'react-native'; const { width, height } = Dimensions.get('window'); const colors = { black: '#323F4E', red: '#F76A6A', text: '#ffffff', }; /* TODO Make timer count down even when app is un-focused or closed. Set const endTime = Date.now() + duration and save that to the task, maybe? Then trigger notif when endTime == Date.now()? Then fetch endTime from DB -> if null then timer is inactive if !null then set timer to endTime - Date.now() and start Might have to save duration as well in DB to preserve timer animation persistance */ const TIMER_OPTIONS = [...Array(13).keys()].map((index) => (index === 0 ? 1 : index * 5)); const ITEM_SIZE = width * 0.38; const ITEM_SPACING = (width - ITEM_SIZE) / 2; const TIMER_UNIT_IN_SECONDS = 60; const HOLD_TO_CANCEL_MS = 2000; const CANCEL_ANIMATION_DELAY_MS = 250; const BUTTON_PRESS_IN_MS = 80; const BUTTON_PRESS_OUT_MS = 140; function formatTime(totalSeconds: number) { const minutes = Math.floor(totalSeconds / 60); const seconds = totalSeconds % 60; return `${minutes.toString().padStart(2, '0')}:${seconds.toString().padStart(2, '0')}`; } export default function TimerScreen() { const [containerHeight, setContainerHeight] = React.useState(0); const [duration, setDuration] = React.useState(TIMER_OPTIONS[0]); const [timerIsRunning, setIsRunning] = React.useState(false); const [timerOverlayVisible, setTimerOverlayVisible] = React.useState(false); const [timeRemaining, setTimeRemaining] = React.useState(0); const [task, setTask] = React.useState(null); const scrollX = React.useRef(new Animated.Value(0)).current; const timerAnimation = React.useRef(new Animated.Value(0)).current; const buttonAnimation = React.useRef(new Animated.Value(0)).current; const taskDetailsAnimation = React.useRef(new Animated.Value(0)).current; const countdownAnimation = React.useRef(new Animated.Value(0)).current; const cancelButtonAnimation = React.useRef(new Animated.Value(0)).current; const pressedButtonAnimation = React.useRef(new Animated.Value(0)).current; const focusModeAnimation = React.useRef(new Animated.Value(0)).current; const cancelOverlayAnimation = React.useRef(new Animated.Value(0)).current; const countdownRef = React.useRef | null>(null); const cancelHoldTimeoutRef = React.useRef | null>(null); const cancelHoldAnimationDelayRef = React.useRef | null>(null); const runningAnimationRef = React.useRef(null); const progressAnimationRef = React.useRef(null); const sessionStartedAtRef = React.useRef(null); const sessionDurationMsRef = React.useRef(0); const cancelAccelStartedRef = React.useRef(false); const cancelHoldCompletedRef = React.useRef(false); const cancelHoldActiveRef = React.useRef(false); const cancelHoldIdRef = React.useRef(0); const cancelHoldStartedAtRef = React.useRef(0); const { tId } = useLocalSearchParams<{ tId?: string}>(); const timerOverlayHeight = Math.max(containerHeight, 1); const timerOverlayOffscreenY = timerOverlayHeight + 1000; React.useEffect(() => { if (containerHeight > 0 && !timerIsRunning) { timerAnimation.setValue(timerOverlayOffscreenY); } }, [containerHeight, timerIsRunning, timerAnimation, timerOverlayOffscreenY]); React.useEffect(() => { if (!tId) { setTask(null); return; } const fetchTask = async () => { const {data, error} = await supabase .from('tasks') .select('*') .eq('tId', tId) .single() if (!error && data) { setTask(data); } }; fetchTask(); }, [tId]) const pressedButtonScale = pressedButtonAnimation.interpolate({ inputRange: [0, 1], outputRange: [1, 0.9], }); const cancelButtonTranslateY = cancelButtonAnimation.interpolate({ inputRange: [0, 1], outputRange: [16, 0], }); // Real timer progress comes from timerAnimation. The cancel hold adds a // temporary visual offset on top so release/cancel logic does not fight the // underlying progress animation. const timerOverlayTranslateY = Animated.add( timerAnimation, cancelOverlayAnimation ); const countdownTranslateX = focusModeAnimation.interpolate({ inputRange: [0, 1], outputRange: [0, -width * 0.3], }); const countdownTranslateY = focusModeAnimation.interpolate({ inputRange: [0, 1], outputRange: [0, -height * 0.35], }); const countdownScale = focusModeAnimation.interpolate({ inputRange: [0, 1], outputRange: [1, 0.55], }); const startButtonOpacity = buttonAnimation.interpolate({ inputRange: [0, 1], outputRange: [1, 0], }); const startButtonTranslateY = buttonAnimation.interpolate({ inputRange: [0, 1], outputRange: [0, 200], }); const pickerOpacity = buttonAnimation.interpolate({ inputRange: [0, 1], outputRange: [1, 0], }); const taskDetailsOpacity = taskDetailsAnimation.interpolate({ inputRange: [0, 1], outputRange: [0, 1], }); const taskDetailsTranslateY = taskDetailsAnimation.interpolate({ inputRange: [0, 1], outputRange: [20, 0], }); const clearCountdownInterval = React.useCallback(() => { if (countdownRef.current) { clearInterval(countdownRef.current); countdownRef.current = null; } }, []); const clearCancelHoldTimeouts = React.useCallback(() => { if (cancelHoldTimeoutRef.current) { clearTimeout(cancelHoldTimeoutRef.current); cancelHoldTimeoutRef.current = null; } if (cancelHoldAnimationDelayRef.current) { clearTimeout(cancelHoldAnimationDelayRef.current); cancelHoldAnimationDelayRef.current = null; } }, []); const stopRunningAnimations = React.useCallback(() => { runningAnimationRef.current?.stop(); runningAnimationRef.current = null; progressAnimationRef.current?.stop(); progressAnimationRef.current = null; cancelOverlayAnimation.stopAnimation(); }, [cancelOverlayAnimation]); React.useEffect(() => { return () => { clearCountdownInterval(); clearCancelHoldTimeouts(); stopRunningAnimations(); }; }, [clearCancelHoldTimeouts, clearCountdownInterval, stopRunningAnimations]); const animateButtonPress = React.useCallback( (pressed: boolean) => { Animated.timing(pressedButtonAnimation, { toValue: pressed ? 1 : 0, duration: pressed ? BUTTON_PRESS_IN_MS : BUTTON_PRESS_OUT_MS, useNativeDriver: true, }).start(); }, [pressedButtonAnimation] ); const resetSessionValues = React.useCallback(() => { sessionStartedAtRef.current = null; sessionDurationMsRef.current = 0; cancelHoldActiveRef.current = false; cancelAccelStartedRef.current = false; cancelHoldCompletedRef.current = false; timerAnimation.setValue(timerOverlayOffscreenY); cancelOverlayAnimation.setValue(0); setTimerOverlayVisible(false); setTimeRemaining(0); setIsRunning(false); }, [cancelOverlayAnimation, timerAnimation, timerOverlayOffscreenY]); const finishTimer = React.useCallback(() => { clearCountdownInterval(); void RemoveActiveSprint(); Animated.parallel([ Animated.timing(countdownAnimation, { toValue: 0, duration: 200, useNativeDriver: true, }), Animated.timing(focusModeAnimation, { toValue: 0, duration: 250, useNativeDriver: true, }), Animated.timing(taskDetailsAnimation, { toValue: 0, duration: 300, useNativeDriver: true, }), ]).start(() => { Animated.parallel([ Animated.timing(buttonAnimation, { toValue: 0, duration: 300, useNativeDriver: true, }), Animated.timing(cancelButtonAnimation, { toValue: 0, duration: 300, useNativeDriver: true, }), ]).start(() => { setIsRunning(false); /* TODO Implement store and send of ellapsed time value in seconds to DB for total time spent statistic */ resetSessionValues(); }); }); }, [ buttonAnimation, cancelButtonAnimation, clearCountdownInterval, countdownAnimation, focusModeAnimation, resetSessionValues, taskDetailsAnimation, ]); // This picks up the timer overlay animation from the current Y position and // runs it to the bottom over the remaining session time. const startProgressAnimation = React.useCallback( (fromY: number) => { const elapsedRatio = fromY / timerOverlayHeight; const remainingMs = sessionDurationMsRef.current * (1 - elapsedRatio); sessionStartedAtRef.current = Date.now() - sessionDurationMsRef.current * elapsedRatio; timerAnimation.setValue(fromY); const progressAnimation = Animated.timing(timerAnimation, { toValue: timerOverlayHeight, duration: remainingMs, useNativeDriver: true, }); progressAnimationRef.current = progressAnimation; progressAnimation.start(({ finished }) => { progressAnimationRef.current = null; if (!finished) { return; } finishTimer(); }); }, [finishTimer, timerAnimation, timerOverlayHeight] ); const runStartSequence = React.useCallback(() => { buttonAnimation.setValue(1); cancelButtonAnimation.setValue(1); countdownAnimation.setValue(1); timerAnimation.setValue(0); startProgressAnimation(0); const focusAnimation = Animated.parallel([ Animated.timing(focusModeAnimation, { toValue: 1, duration: 450, useNativeDriver: true, }), Animated.timing(taskDetailsAnimation, { toValue: 1, duration: 500, useNativeDriver: true, }), ]); runningAnimationRef.current = focusAnimation; focusAnimation.start(() => { runningAnimationRef.current = null; }); }, [ buttonAnimation, cancelButtonAnimation, countdownAnimation, focusModeAnimation, startProgressAnimation, taskDetailsAnimation, timerAnimation, ]); const startCountdown = React.useCallback( (endTime: number) => { clearCountdownInterval(); const updateRemainingTime = () => { const remainingSeconds = Math.max( 0, Math.ceil((endTime - Date.now()) / 1000) ); setTimeRemaining(remainingSeconds); if (remainingSeconds <= 0) { clearCountdownInterval(); } }; updateRemainingTime(); countdownRef.current = setInterval(updateRemainingTime, 1000); }, [clearCountdownInterval] ); React.useEffect(() => { if (!tId || timerIsRunning || containerHeight === 0) { return; } const restoreSprint = async () => { const activeSprint = await GetActiveSprint(); if (!activeSprint || activeSprint.taskId !== tId) { return; } const remainingMs = activeSprint.endTime - Date.now(); if (remainingMs <= 0) { await RemoveActiveSprint(); return; } const totalMs = activeSprint.durationSeconds * 1000; const elapsedMs = totalMs - remainingMs; const elapsedRatio = Math.max(0, Math.min(elapsedMs / totalMs, 1)); const restoredY = timerOverlayHeight * elapsedRatio; setIsRunning(true); setTimerOverlayVisible(true); sessionStartedAtRef.current = Date.now() - elapsedMs; sessionDurationMsRef.current = totalMs; buttonAnimation.setValue(1); cancelButtonAnimation.setValue(1); countdownAnimation.setValue(1); focusModeAnimation.setValue(1); taskDetailsAnimation.setValue(1); cancelOverlayAnimation.setValue(0); startCountdown(activeSprint.endTime); startProgressAnimation(restoredY); }; void restoreSprint(); }, [ buttonAnimation, cancelButtonAnimation, cancelOverlayAnimation, containerHeight, countdownAnimation, focusModeAnimation, startCountdown, startProgressAnimation, taskDetailsAnimation, tId, timerOverlayHeight, timerIsRunning, ]); const startTimerSession = React.useCallback(() => { if (!tId || timerIsRunning || containerHeight === 0) { return; } Haptics.notificationAsync(Haptics.NotificationFeedbackType.Success); setIsRunning(true); setTimerOverlayVisible(true); taskDetailsAnimation.setValue(0); countdownAnimation.setValue(0); cancelOverlayAnimation.setValue(0); const totalSeconds = duration * TIMER_UNIT_IN_SECONDS; const endTime = Date.now() + totalSeconds * 1000; sessionStartedAtRef.current = Date.now(); sessionDurationMsRef.current = totalSeconds * 1000; void SaveActiveSprint({ taskId: tId, durationSeconds: totalSeconds, endTime, }); startCountdown(endTime); runStartSequence(); }, [ cancelOverlayAnimation, containerHeight, countdownAnimation, duration, runStartSequence, startCountdown, taskDetailsAnimation, tId, timerIsRunning, ]); const cancelTimer = React.useCallback(() => { if (!timerIsRunning) { return; } clearCountdownInterval(); clearCancelHoldTimeouts(); void RemoveActiveSprint(); runningAnimationRef.current?.stop(); runningAnimationRef.current = null; progressAnimationRef.current?.stop(); progressAnimationRef.current = null; timerAnimation.stopAnimation(() => { cancelOverlayAnimation.stopAnimation(() => { timerAnimation.setValue(timerOverlayOffscreenY); cancelOverlayAnimation.setValue(0); setTimerOverlayVisible(false); Animated.parallel([ Animated.timing(cancelButtonAnimation, { toValue: 0, duration: 180, useNativeDriver: true, }), Animated.timing(taskDetailsAnimation, { toValue: 0, duration: 220, useNativeDriver: true, }), Animated.timing(focusModeAnimation, { toValue: 0, duration: 250, useNativeDriver: true, }), Animated.timing(countdownAnimation, { toValue: 0, duration: 180, useNativeDriver: true, }), ]).start(() => { Animated.timing(buttonAnimation, { toValue: 0, duration: 220, useNativeDriver: true, }).start(() => { resetSessionValues(); }); }); }); }); }, [ buttonAnimation, cancelButtonAnimation, cancelOverlayAnimation, clearCancelHoldTimeouts, clearCountdownInterval, countdownAnimation, focusModeAnimation, resetSessionValues, taskDetailsAnimation, timerAnimation, timerOverlayOffscreenY, timerIsRunning, ]); const handleCancelHoldStart = React.useCallback(() => { animateButtonPress(true); cancelHoldIdRef.current += 1; const cancelHoldId = cancelHoldIdRef.current; cancelHoldActiveRef.current = true; cancelHoldStartedAtRef.current = Date.now(); cancelAccelStartedRef.current = false; cancelHoldCompletedRef.current = false; cancelHoldAnimationDelayRef.current = setTimeout(() => { cancelHoldAnimationDelayRef.current = null; if (!cancelHoldActiveRef.current || cancelHoldIdRef.current !== cancelHoldId) { return; } // The hold starts with normal button feedback. After a short delay, we // begin the accelerated red overlay preview so quick taps do not cause a // jolt, while long holds still clearly show that cancel is about to fire. cancelAccelStartedRef.current = true; cancelOverlayAnimation.setValue(0); const elapsedHoldMs = Date.now() - cancelHoldStartedAtRef.current; const remainingHoldMs = Math.max(1, HOLD_TO_CANCEL_MS - elapsedHoldMs); const sessionStartedAt = sessionStartedAtRef.current ?? Date.now(); const elapsedAtCancelMs = Date.now() + remainingHoldMs - sessionStartedAt; const expectedProgress = elapsedAtCancelMs / sessionDurationMsRef.current; const clampedProgress = Math.max(0, Math.min(expectedProgress, 1)); const expectedYAtCancel = timerOverlayHeight * clampedProgress; const cancelOffset = Math.max(0, timerOverlayHeight - expectedYAtCancel); Animated.timing(cancelOverlayAnimation, { toValue: cancelOffset, duration: remainingHoldMs, easing: Easing.in(Easing.quad), useNativeDriver: true, }).start(); }, CANCEL_ANIMATION_DELAY_MS); cancelHoldTimeoutRef.current = setTimeout(() => { cancelHoldActiveRef.current = false; cancelHoldIdRef.current += 1; cancelAccelStartedRef.current = false; cancelHoldCompletedRef.current = true; Haptics.notificationAsync(Haptics.NotificationFeedbackType.Warning); cancelTimer(); cancelHoldTimeoutRef.current = null; }, HOLD_TO_CANCEL_MS); }, [animateButtonPress, cancelOverlayAnimation, cancelTimer, timerOverlayHeight]); const handleCancelHoldEnd = React.useCallback(() => { animateButtonPress(false); cancelHoldActiveRef.current = false; cancelHoldIdRef.current += 1; clearCancelHoldTimeouts(); if (cancelHoldCompletedRef.current) { return; } if (!cancelAccelStartedRef.current) { return; } cancelAccelStartedRef.current = false; cancelOverlayAnimation.stopAnimation((currentOffset) => { cancelOverlayAnimation.setValue(currentOffset); Animated.timing(cancelOverlayAnimation, { toValue: 0, duration: 750, easing: Easing.in(Easing.bounce), useNativeDriver: true, }).start(); }); }, [animateButtonPress, cancelOverlayAnimation, clearCancelHoldTimeouts]); const handleTimerPickerMomentumEnd = React.useCallback( (event: { nativeEvent: { contentOffset: { x: number } } }) => { if (timerIsRunning) { return; } const index = Math.round(event.nativeEvent.contentOffset.x / ITEM_SIZE); const clampedIndex = Math.max(0, Math.min(index, TIMER_OPTIONS.length - 1)); setDuration(TIMER_OPTIONS[clampedIndex]); }, [timerIsRunning] ); const renderTimerItem = React.useCallback( ({ item, index }: { item: number; index: number }) => { const inputRange = [ (index - 1) * ITEM_SIZE, index * ITEM_SIZE, (index + 1) * ITEM_SIZE, ]; const baseOpacity = scrollX.interpolate({ inputRange, outputRange: [0.4, 1, 0.4], }); const opacity = Animated.multiply(baseOpacity, pickerOpacity); const scale = scrollX.interpolate({ inputRange, outputRange: [0.7, 1, 0.7], }); return ( {item} ); }, [pickerOpacity, scrollX] ); return ( { setContainerHeight(event.nativeEvent.layout.height); }} > ); } const styles = StyleSheet.create({ container: { flex: 1, backgroundColor: colors.black, overflow: 'hidden', }, timerOverlay: { position: 'absolute', top: 0, left: 0, right: 0, backgroundColor: colors.red, }, startButtonContainer: { justifyContent: 'flex-end', alignItems: 'center', paddingBottom: 100, }, roundButton: { width: 80, height: 80, borderRadius: 80, backgroundColor: '#beb9a7', alignItems: 'center', justifyContent: 'center', }, timerPickerWrapper: { position: 'absolute', left: 0, right: 0, flex: 1, }, timerPickerList: { flexGrow: 0, }, timerPickerContent: { paddingHorizontal: ITEM_SPACING, }, timerOptionItem: { width: ITEM_SIZE, justifyContent: 'center', alignItems: 'center', }, text: { fontSize: ITEM_SIZE * 0.8, fontFamily: 'Menlo', color: colors.text, fontWeight: '900', }, taskDetails: { position: 'absolute', top: height * 0.34, left: 32, right: 32, alignItems: 'center', }, taskName: { color: colors.text, fontSize: 32, fontWeight: '800', textAlign: 'center', }, taskDescription: { color: colors.text, fontSize: 24, lineHeight: 32, marginTop: 20, textAlign: 'center', }, countdownText: { fontSize: ITEM_SIZE * 0.32, fontFamily: 'Menlo', color: colors.text, fontWeight: '900', textAlign: 'center', }, cancelButtonContainer: { position: 'absolute', left: 0, right: 0, bottom: 44, alignItems: 'center', zIndex: 2, }, cancelButton: { minWidth: 112, height: 44, borderRadius: 22, borderWidth: 1, borderColor: 'rgba(155, 155, 155, 0.35)', backgroundColor: '#beb9a7', alignItems: 'center', justifyContent: 'center', paddingHorizontal: 22, position: 'relative', overflow: 'hidden', }, countdownOverlay: { position: 'absolute', top: height / 2.5 , left: 0, right: 0, alignItems: 'center', }, });