314 lines
19 KiB
TypeScript
314 lines
19 KiB
TypeScript
import { Ionicons } from '@expo/vector-icons';
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import * as Haptics from 'expo-haptics';
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import { useFocusEffect, useRouter } from 'expo-router';
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import { useCallback, useEffect, useMemo, useState } from 'react';
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import { ActivityIndicator, Alert, Platform, Pressable, ScrollView, StyleSheet, View } from 'react-native';
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import { AddClassModal } from '@/components/add-class-modal';
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import {
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AppHeader,
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AppText,
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BottomSheet,
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Button,
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Card,
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CurrentTimeIndicator,
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EmptyState,
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IconButton,
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InlineBanner,
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RecessCard,
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ScheduleEventCard,
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Screen,
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WeekStrip,
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colors,
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radius,
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size,
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spacing,
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type WeekDay,
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} from '@/components/ui';
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import { addDays, currentMinutes, dateKey, formatDayHeading, mondayOfWeek, timeToMinutes } from '@/lib/date';
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import { attendanceMessage, attendanceTone, subjectToneFor } from '@/lib/design';
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import { collegeApi, type AttendanceStatus, type Profile, type Session } from '@/lib/api';
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type DayMarker = WeekDay['marker'];
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type AttendanceSummary = { total: number; attended: number; percentage: number };
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const emptySummary: AttendanceSummary = { total: 0, attended: 0, percentage: 0 };
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const startOfMonth = (date: Date) => new Date(date.getFullYear(), date.getMonth(), 1);
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const daysInMonth = (date: Date) => new Date(date.getFullYear(), date.getMonth() + 1, 0).getDate();
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export default function TodayScreen() {
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const router = useRouter();
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const [activeDate, setActiveDate] = useState(() => new Date());
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const [calendarMonth, setCalendarMonth] = useState(() => startOfMonth(new Date()));
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const [classes, setClasses] = useState<Session[]>([]);
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const [profile, setProfile] = useState<Profile | null>(null);
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const [summary, setSummary] = useState<AttendanceSummary>(emptySummary);
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const [weekendSchedule, setWeekendSchedule] = useState(false);
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const [weekMarkers, setWeekMarkers] = useState<Record<string, DayMarker>>({});
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const [loading, setLoading] = useState(true);
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const [loadError, setLoadError] = useState('');
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const [refresh, setRefresh] = useState(0);
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const [calendarOpen, setCalendarOpen] = useState(false);
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const [addClassOpen, setAddClassOpen] = useState(false);
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const [selectedClass, setSelectedClass] = useState<Session | null>(null);
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const today = new Date();
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const todayKey = dateKey(today);
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const selectedDateKey = dateKey(activeDate);
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const weekStart = useMemo(() => mondayOfWeek(activeDate), [activeDate]);
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const weekDates = useMemo(() => Array.from({ length: 7 }, (_, index) => addDays(weekStart, index)), [weekStart]);
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useFocusEffect(useCallback(() => {
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let active = true;
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collegeApi.profile().then((result) => {
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if (!active) return;
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setProfile(result);
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setWeekendSchedule(Boolean(result.weekendSchedule));
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if (!result.weekendSchedule) setActiveDate((current) => current.getDay() === 0 || current.getDay() === 6 ? mondayOfWeek(current) : current);
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}).catch(() => undefined);
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return () => { active = false; };
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}, []));
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const loadSchedule = useCallback(() => {
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setLoading(true);
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setLoadError('');
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collegeApi.schedule(selectedDateKey)
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.then(({ sessions }) => setClasses(sessions))
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.catch((error: Error) => { setClasses([]); setLoadError(error.message); })
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.finally(() => setLoading(false));
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}, [selectedDateKey]);
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useEffect(() => { loadSchedule(); }, [loadSchedule, refresh]);
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useEffect(() => {
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collegeApi.attendanceSummary().then(({ subjects }) => {
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const total = subjects.reduce((value, subject) => value + subject.total, 0);
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const attended = subjects.reduce((value, subject) => value + subject.attended, 0);
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setSummary({ total, attended, percentage: total ? Math.round(attended / total * 100) : 0 });
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}).catch(() => setSummary(emptySummary));
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}, [refresh]);
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useEffect(() => {
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Promise.all(weekDates.map((date) => collegeApi.schedule(dateKey(date)).then(({ sessions }) => ({ date, sessions })).catch(() => ({ date, sessions: [] as Session[] }))))
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.then((results) => {
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const markers: Record<string, DayMarker> = {};
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results.forEach(({ date, sessions }) => {
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const key = dateKey(date);
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if (key > todayKey) return;
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const held = sessions.filter((session) => session.status !== 'cancelled');
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if (!held.length) return;
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if (held.every((session) => session.status === 'attended')) markers[key] = 'success';
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else if (held.some((session) => session.status === 'absent')) markers[key] = 'danger';
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else if (held.some((session) => session.status === 'pending')) markers[key] = 'warning';
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else markers[key] = 'neutral';
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});
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setWeekMarkers(markers);
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});
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}, [refresh, todayKey, weekDates]);
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const visibleDays: WeekDay[] = weekDates
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.filter((date) => weekendSchedule || (date.getDay() !== 0 && date.getDay() !== 6))
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.map((date) => ({ date, marker: weekMarkers[dateKey(date)] ?? 'none' }));
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const updateStatus = (session: Session, status: AttendanceStatus) => {
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const previous = classes;
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setClasses((items) => items.map((item) => item.id === session.id ? { ...item, status } : item));
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collegeApi.markAttendance(session.id, status)
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.then(() => {
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if (Platform.OS !== 'web') void Haptics.notificationAsync(Haptics.NotificationFeedbackType.Success);
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})
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.catch((error: Error) => {
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setClasses(previous);
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Alert.alert('Couldn’t save attendance', error.message);
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});
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};
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const removeClass = (session: Session) => {
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Alert.alert('Remove this class?', 'This removes only this occurrence. Your recurring timetable will not change.', [
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{ text: 'Keep class', style: 'cancel' },
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{ text: 'Remove', style: 'destructive', onPress: () => {
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setSelectedClass(null);
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setClasses((items) => items.filter((item) => item.id !== session.id));
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collegeApi.removeClass(session.id).then(() => setRefresh((value) => value + 1)).catch((error: Error) => {
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Alert.alert('Couldn’t remove class', error.message);
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setRefresh((value) => value + 1);
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});
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} },
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]);
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};
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const isToday = selectedDateKey === todayKey;
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const insight = attendanceMessage(summary.percentage, summary.total);
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const insightTone = attendanceTone(summary.percentage, summary.total);
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const now = currentMinutes();
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const recessEnabled = Boolean(profile && profile.recessEnabled && timeToMinutes(profile.recessStart) >= 0 && timeToMinutes(profile.recessStart) < timeToMinutes(profile.recessEnd));
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const timelineItems = [
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...classes.map((item) => ({ type: 'class' as const, start: item.time, end: item.endTime, item })),
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...(recessEnabled ? [{ type: 'recess' as const, start: profile!.recessStart, end: profile!.recessEnd }] : []),
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].sort((left, right) => left.start.localeCompare(right.start) || (left.type === 'recess' ? -1 : 1));
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const activeTimelineIndex = isToday ? timelineItems.findIndex((item) => timeToMinutes(item.start) <= now && now < timeToMinutes(item.end)) : -1;
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const insertionIndex = isToday ? (activeTimelineIndex >= 0 ? activeTimelineIndex : timelineItems.findIndex((item) => timeToMinutes(item.start) > now)) : -1;
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const currentTimeLabel = new Intl.DateTimeFormat(undefined, { hour: 'numeric', minute: '2-digit' }).format(new Date());
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const pendingCount = classes.filter((item) => item.status === 'pending').length;
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return <Screen scroll={false} contentContainerStyle={styles.content}>
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<View style={styles.stickyHeader}>
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<AppHeader title={new Intl.DateTimeFormat(undefined, { weekday: 'long', month: 'short', day: 'numeric' }).format(activeDate)} />
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<View style={styles.dateActions}>
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{!isToday ? <Button label="Today" variant="ghost" size="compact" fullWidth={false} onPress={() => setActiveDate(new Date())} /> : null}
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<IconButton icon="calendar-outline" label="Open calendar" tone="sky" onPress={() => { setCalendarMonth(startOfMonth(activeDate)); setCalendarOpen(true); }} />
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</View>
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<WeekStrip days={visibleDays} selectedDateKey={selectedDateKey} todayDateKey={todayKey} onSelect={setActiveDate} />
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{summary.total > 0 ? <InlineBanner title={insight.title} message={insight.message} tone={insightTone} style={styles.insight} /> : null}
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<View style={styles.sectionHeader}>
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<View style={styles.sectionCopy}>
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<AppText variant="heading2">{isToday ? 'Today’s classes' : `${new Intl.DateTimeFormat(undefined, { weekday: 'long' }).format(activeDate)}’s classes`}</AppText>
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<AppText variant="bodySmall" color={colors.neutral.textMuted} style={styles.sectionSubtitle}>
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{classes.length ? `${classes.length} ${classes.length === 1 ? 'class' : 'classes'}${pendingCount ? ` · ${pendingCount} to mark` : ''}` : 'Your agenda for this date'}
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</AppText>
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</View>
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<IconButton icon="add" label="Add a class" onPress={() => setAddClassOpen(true)} />
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</View>
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</View>
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<ScrollView style={styles.classList} contentContainerStyle={styles.classListContent} showsVerticalScrollIndicator={false} keyboardShouldPersistTaps="handled">
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{loadError ? <InlineBanner title="Couldn’t load this day" message={loadError} tone="danger" action={<Button label="Retry" size="compact" variant="ghost" fullWidth={false} onPress={loadSchedule} />} /> : null}
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{loading ? <Card tone="skySoft" style={styles.loading}><ActivityIndicator color={colors.brand.cobalt} /><AppText variant="bodySmall" color={colors.neutral.textSecondary}>Loading your classes…</AppText></Card> : null}
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{!loading && !loadError && classes.length === 0 && !recessEnabled ? <EmptyState icon="calendar-clear-outline" title="No classes scheduled" message="Enjoy the break, or add a one-off class for this date." action={<Button label="Add a class" variant="secondary" onPress={() => setAddClassOpen(true)} leading={<Ionicons name="add" size={18} color={colors.brand.cobalt} />} />} /> : null}
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{!loading && !loadError && timelineItems.length > 0 ? <View style={styles.timeline}>
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{timelineItems.map((entry, index) => {
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const isNow = index === activeTimelineIndex;
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const key = entry.type === 'class' ? `class-${entry.item.id}` : `recess-${entry.start}`;
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return <View key={key}>
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{index === insertionIndex ? <CurrentTimeIndicator time={currentTimeLabel} /> : null}
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<View style={styles.classRow}>
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<View style={styles.timeRail}>
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<AppText variant="label" style={styles.timeText}>{entry.start}</AppText>
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<AppText variant="caption" color={colors.neutral.textMuted} style={styles.timeText}>{entry.end}</AppText>
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{index < timelineItems.length - 1 ? <View style={styles.railLine} /> : null}
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</View>
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{entry.type === 'recess' ? <RecessCard timeRange={`${entry.start}–${entry.end}`} isNow={isNow} style={styles.event} /> : <ScheduleEventCard
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title={entry.item.title}
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kind={entry.item.code}
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classType={entry.item.classType}
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timeRange={`${entry.start}–${entry.end}`}
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room={entry.item.room}
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subjectTone={subjectToneFor(entry.item.subjectId || entry.item.code, entry.item.color)}
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state={entry.item.status}
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isNow={isNow}
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style={styles.event}
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topAction={<IconButton icon="ellipsis-horizontal" label={`Options for ${entry.item.title}`} tone="ghost" onPress={() => setSelectedClass(entry.item)} />}
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footer={entry.item.status !== 'cancelled' ? <AttendanceActions tone={subjectToneFor(entry.item.subjectId || entry.item.code, entry.item.color)} onAttended={() => updateStatus(entry.item, 'attended')} onAbsent={() => updateStatus(entry.item, 'absent')} /> : null}
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/>}
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</View>
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</View>;
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})}
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{isToday && insertionIndex === -1 && activeTimelineIndex === -1 ? <CurrentTimeIndicator time={currentTimeLabel} /> : null}
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</View> : null}
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</ScrollView>
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<AddClassModal visible={addClassOpen} date={selectedDateKey} onClose={() => setAddClassOpen(false)} onAdded={() => setRefresh((value) => value + 1)} />
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<BottomSheet visible={Boolean(selectedClass)} title="Class options" onClose={() => setSelectedClass(null)}>
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{selectedClass ? <>
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<Card tone="skySoft" style={styles.selectedClassSummary}>
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<AppText variant="title">{selectedClass.title}</AppText>
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<AppText variant="bodySmall" color={colors.neutral.textSecondary} style={styles.sectionSubtitle}>{selectedClass.code} · {selectedClass.time}–{selectedClass.endTime} · {selectedClass.room}</AppText>
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</Card>
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<View style={styles.sheetButtons}>
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<Button label="View subject" variant="secondary" disabled={!selectedClass.subjectId} onPress={() => { const id = selectedClass.subjectId; setSelectedClass(null); if (id) router.push(`/subjects/${id}` as never); }} leading={<Ionicons name="book-outline" size={18} color={colors.brand.cobalt} />} />
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{selectedClass.status !== 'cancelled' ? <Button label="Cancel class" variant="ghost" onPress={() => { updateStatus(selectedClass, 'cancelled'); setSelectedClass(null); }} leading={<Ionicons name="remove-circle-outline" size={18} color={colors.semantic.danger.text} />} /> : null}
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<Button label="Remove from this day" variant="ghost" onPress={() => removeClass(selectedClass)} leading={<Ionicons name="trash-outline" size={18} color={colors.semantic.danger.text} />} />
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</View>
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</> : null}
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</BottomSheet>
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<CalendarSheet
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visible={calendarOpen}
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month={calendarMonth}
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selectedDateKey={selectedDateKey}
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todayKey={todayKey}
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onMonthChange={setCalendarMonth}
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onClose={() => setCalendarOpen(false)}
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onSelect={(date) => { setActiveDate(date); setCalendarOpen(false); }}
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/>
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</Screen>;
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}
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function AttendanceActions({ tone, onAttended, onAbsent }: { tone: keyof typeof colors.subject; onAttended: () => void; onAbsent: () => void }) {
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const palette = colors.subject[tone];
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return <View style={styles.attendanceActions}>
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<Pressable accessibilityRole="button" accessibilityLabel="Mark attended" onPress={onAttended} style={({ pressed }) => [styles.attendanceButton, { borderColor: palette.accent }, pressed && styles.actionPressed]}>
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<Ionicons name="checkmark" size={18} color={palette.accent} />
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</Pressable>
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<Pressable accessibilityRole="button" accessibilityLabel="Mark absent" onPress={onAbsent} style={({ pressed }) => [styles.attendanceButton, { borderColor: palette.accent }, pressed && styles.actionPressed]}>
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<Ionicons name="close" size={18} color={palette.accent} />
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</Pressable>
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</View>;
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}
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function CalendarSheet({ visible, month, selectedDateKey, todayKey, onMonthChange, onClose, onSelect }: { visible: boolean; month: Date; selectedDateKey: string; todayKey: string; onMonthChange: (date: Date) => void; onClose: () => void; onSelect: (date: Date) => void }) {
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const offset = (month.getDay() + 6) % 7;
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const dates = Array.from({ length: offset + daysInMonth(month) }, (_, index) => index < offset ? null : index - offset + 1);
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const weekdayLabels = Array.from({ length: 7 }, (_, index) => new Intl.DateTimeFormat(undefined, { weekday: 'narrow' }).format(addDays(mondayOfWeek(new Date()), index)));
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return <BottomSheet visible={visible} title="Choose a date" onClose={onClose}>
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<View style={styles.monthNavigation}>
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<IconButton icon="chevron-back" label="Previous month" onPress={() => onMonthChange(new Date(month.getFullYear(), month.getMonth() - 1, 1))} />
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<AppText variant="title">{new Intl.DateTimeFormat(undefined, { month: 'long', year: 'numeric' }).format(month)}</AppText>
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<IconButton icon="chevron-forward" label="Next month" onPress={() => onMonthChange(new Date(month.getFullYear(), month.getMonth() + 1, 1))} />
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</View>
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<View style={styles.calendarWeekdays}>{weekdayLabels.map((label, index) => <AppText key={`${label}-${index}`} variant="caption" color={colors.neutral.textMuted} style={styles.calendarWeekday}>{label}</AppText>)}</View>
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<View style={styles.calendarGrid}>{dates.map((day, index) => {
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if (!day) return <View key={`empty-${index}`} style={styles.calendarCell} />;
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const date = new Date(month.getFullYear(), month.getMonth(), day);
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const key = dateKey(date);
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const selected = key === selectedDateKey;
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const isToday = key === todayKey;
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return <Pressable key={key} accessibilityRole="button" accessibilityLabel={formatDayHeading(date)} accessibilityState={{ selected }} onPress={() => onSelect(date)} style={[styles.calendarCell, selected && styles.calendarSelected, isToday && !selected && styles.calendarToday]}>
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<AppText variant="label" color={selected ? colors.brand.ink : colors.neutral.textPrimary} style={styles.timeText}>{day}</AppText>
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</Pressable>;
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})}</View>
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<Button label="Go to today" variant="secondary" onPress={() => onSelect(new Date())} leading={<Ionicons name="locate-outline" size={18} color={colors.brand.cobalt} />} style={styles.calendarButton} />
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</BottomSheet>;
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}
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const styles = StyleSheet.create({
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// Bottom padding belongs to the scrollable class content, not this fixed shell.
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content: { paddingTop: spacing[1], paddingBottom: 0 },
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stickyHeader: { flexShrink: 0 },
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dateActions: { minHeight: 44, flexDirection: 'row', alignItems: 'center', justifyContent: 'flex-end', gap: spacing[1], marginBottom: spacing[3] },
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insight: { marginTop: spacing[5] },
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sectionHeader: { marginTop: spacing[8], marginBottom: spacing[4], flexDirection: 'row', alignItems: 'center', justifyContent: 'space-between', gap: spacing[4] },
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sectionCopy: { flex: 1 },
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sectionSubtitle: { marginTop: spacing[1] },
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loading: { minHeight: 112, flexDirection: 'row', alignItems: 'center', justifyContent: 'center', gap: spacing[3] },
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timeline: { gap: spacing[2] },
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classRow: { flexDirection: 'row', alignItems: 'stretch' },
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timeRail: { width: 54, alignItems: 'flex-start', paddingTop: spacing[4], position: 'relative' },
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timeText: { fontVariant: ['tabular-nums'] },
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railLine: { position: 'absolute', top: 58, bottom: -10, left: 4, width: 1, backgroundColor: colors.neutral.divider },
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classList: { flex: 1, minHeight: 0 },
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classListContent: { paddingTop: spacing[4], paddingBottom: size.tabBar + spacing[6] },
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event: { flex: 1, marginBottom: spacing[2] },
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attendanceActions: { flexDirection: 'row', alignItems: 'center', gap: spacing[2] },
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attendanceButton: { width: 40, height: 40, alignItems: 'center', justifyContent: 'center', borderRadius: radius.pill, borderWidth: 1, backgroundColor: 'rgba(255, 255, 255, 0.62)' },
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actionPressed: { opacity: 0.72 },
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sheetButtons: { gap: spacing[2], marginTop: spacing[5] },
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selectedClassSummary: { marginTop: spacing[2] },
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monthNavigation: { flexDirection: 'row', alignItems: 'center', justifyContent: 'space-between', marginBottom: spacing[5] },
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calendarWeekdays: { flexDirection: 'row', marginBottom: spacing[2] },
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calendarWeekday: { width: '14.2857%', textAlign: 'center' },
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calendarGrid: { flexDirection: 'row', flexWrap: 'wrap' },
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calendarCell: { width: '14.2857%', aspectRatio: 1, alignItems: 'center', justifyContent: 'center', borderRadius: radius.control },
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calendarSelected: { backgroundColor: colors.brand.coral },
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calendarToday: { borderWidth: 2, borderColor: colors.brand.cobalt },
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calendarButton: { marginTop: spacing[5] },
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});
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