feat: Implement staff schedule page and add scripts for managing and debugging shifts and leaves

app/staff/schedule/page.tsx

@@ -0,0 +1,229 @@
+"use client"
+
+import { useEffect, useState } from "react"
+import { createClient } from "@/lib/supabase/client"
+import { useAuth } from "@/lib/hooks/useAuth"
+import { Card, CardContent, CardHeader, CardTitle } from "@/components/ui/card"
+import { Button } from "@/components/ui/button"
+import {
+    Calendar,
+    ChevronLeft,
+    ChevronRight,
+    Clock,
+    CalendarDays,
+    Info
+} from "lucide-react"
+import {
+    format,
+    startOfWeek,
+    endOfWeek,
+    eachDayOfInterval,
+    addWeeks,
+    subWeeks,
+    isSameDay,
+    isToday,
+    parseISO,
+    isSameMonth
+} from "date-fns"
+
+type Shift = {
+    id: string
+    title: string
+    start_time: string
+    end_time: string
+    type: 'Regular' | 'Overtime' | 'OnCall'
+}
+
+type Leave = {
+    id: string
+    start_date: string
+    end_date: string
+    leave_type: string
+    status: string
+}
+
+export default function SchedulePage() {
+    const { user, loading: authLoading } = useAuth()
+    const [currentDate, setCurrentDate] = useState(new Date())
+    const [shifts, setShifts] = useState<Shift[]>([])
+    const [leaves, setLeaves] = useState<Leave[]>([])
+    const [loading, setLoading] = useState(true)
+    const supabase = createClient()
+
+    useEffect(() => {
+        if (!user) return
+
+        const fetchSchedule = async () => {
+            setLoading(true)
+            try {
+                // Determine date range for current view (give buffer +1/-1 week)
+                const start = startOfWeek(subWeeks(currentDate, 1), { weekStartsOn: 1 })
+                const end = endOfWeek(addWeeks(currentDate, 1), { weekStartsOn: 1 })
+
+                // Fetch Shifts
+                const { data: shiftsData, error: shiftsError } = await supabase
+                    .from("shifts")
+                    .select("*")
+                    .eq("user_id", user.id)
+                    .gte("start_time", start.toISOString())
+                    .lte("end_time", end.toISOString())
+
+                if (shiftsError && shiftsError.code !== '42P01') throw shiftsError // Ignore table not found for dev
+
+                // Fetch Leaves
+                const { data: leavesData, error: leavesError } = await supabase
+                    .from("leave_requests")
+                    .select("*")
+                    .eq("user_id", user.id)
+                    .neq("status", "rejected")
+                    .gte("end_date", start.toISOString()) // Overlap check simplified
+
+                if (leavesError) throw leavesError
+
+                setShifts(shiftsData || [])
+                setLeaves(leavesData || [])
+
+            } catch (err) {
+                console.error("Error fetching schedule:", err)
+            } finally {
+                setLoading(false)
+            }
+        }
+
+        fetchSchedule()
+    }, [user, currentDate, supabase])
+
+    const nextWeek = () => setCurrentDate(addWeeks(currentDate, 1))
+    const prevWeek = () => setCurrentDate(subWeeks(currentDate, 1))
+    const resetToToday = () => setCurrentDate(new Date())
+
+    const weekStart = startOfWeek(currentDate, { weekStartsOn: 1 }) // Monday
+    const weekEnd = endOfWeek(currentDate, { weekStartsOn: 1 })
+    const days = eachDayOfInterval({ start: weekStart, end: weekEnd })
+
+    if (authLoading) {
+        return (
+            <div className="flex items-center justify-center min-h-[60vh]">
+                <div className="animate-spin rounded-full h-8 w-8 border-b-2 border-blue-500"></div>
+            </div>
+        )
+    }
+
+    return (
+        <div className="max-w-7xl mx-auto space-y-8 pb-10 px-4 md:px-0 pt-6">
+            <header className="flex flex-col md:flex-row md:items-center justify-between gap-4">
+                <div>
+                    <h1 className="text-3xl font-bold tracking-tight text-white mb-2">
+                        My <span className="text-transparent bg-clip-text bg-gradient-to-r from-blue-400 to-purple-400">Schedule</span>
+                    </h1>
+                    <p className="text-zinc-400">
+                        View your upcoming shifts and time off.
+                    </p>
+                </div>
+                <div className="flex items-center gap-2 bg-zinc-900/50 p-1 rounded-lg border border-zinc-800">
+                    <Button variant="ghost" size="icon" onClick={prevWeek} className="h-8 w-8 text-zinc-400 hover:text-white">
+                        <ChevronLeft className="h-4 w-4" />
+                    </Button>
+                    <Button variant="ghost" onClick={resetToToday} className="h-8 text-sm font-medium text-zinc-300 hover:text-white px-3">
+                        {format(currentDate, "MMMM yyyy")}
+                    </Button>
+                    <Button variant="ghost" size="icon" onClick={nextWeek} className="h-8 w-8 text-zinc-400 hover:text-white">
+                        <ChevronRight className="h-4 w-4" />
+                    </Button>
+                </div>
+            </header>
+
+            {/* Weekly Calendar Grid */}
+            <div className="grid grid-cols-1 md:grid-cols-7 gap-4">
+                {days.map((day, i) => {
+                    const isTodayDate = isToday(day)
+                    const isCurrentMonth = isSameMonth(day, currentDate)
+
+                    // Find shifts for this day
+                    const dayShifts = shifts.filter(s => isSameDay(parseISO(s.start_time), day))
+
+                    // Find leaves for this day
+                    const dayLeaves = leaves.filter(l => {
+                        const start = parseISO(l.start_date)
+                        const end = parseISO(l.end_date)
+                        // Simple check: is day between start and end (inclusive)
+                        // Compare just dates to avoid time issues
+                        const target = format(day, 'yyyy-MM-dd')
+                        return target >= l.start_date && target <= l.end_date
+                    })
+
+                    return (
+                        <Card
+                            key={i}
+                            className={`
+                                border-zinc-800 backdrop-blur-sm overflow-hidden min-h-[200px] flex flex-col
+                                ${isTodayDate ? 'bg-zinc-800/40 border-blue-500/30 ring-1 ring-blue-500/20' : 'bg-zinc-900/50'}
+                                ${!isCurrentMonth ? 'opacity-50' : ''}
+                            `}
+                        >
+                            <CardHeader className="p-3 border-b border-zinc-800/50">
+                                <div className="flex items-baseline justify-between">
+                                    <span className="text-sm font-medium text-zinc-400 uppercase">{format(day, "EEE")}</span>
+                                    <span className={`text-lg font-bold ${isTodayDate ? 'text-blue-400' : 'text-zinc-200'}`}>
+                                        {format(day, "d")}
+                                    </span>
+                                </div>
+                            </CardHeader>
+                            <CardContent className="p-2 flex-1 space-y-2">
+                                {/* Shifts */}
+                                {dayShifts.map(shift => (
+                                    <div key={shift.id} className="bg-blue-600/10 border border-blue-600/20 p-2 rounded text-xs">
+                                        <div className="font-semibold text-blue-400 mb-0.5">{shift.title}</div>
+                                        <div className="flex items-center gap-1 text-zinc-400">
+                                            <Clock className="w-3 h-3" />
+                                            {format(parseISO(shift.start_time), "HH:mm")} - {format(parseISO(shift.end_time), "HH:mm")}
+                                        </div>
+                                    </div>
+                                ))}
+
+                                {/* Leaves */}
+                                {dayLeaves.map(leave => (
+                                    <div key={leave.id} className="bg-yellow-600/10 border border-yellow-600/20 p-2 rounded text-xs">
+                                        <div className="font-semibold text-yellow-400 mb-0.5">On Leave</div>
+                                        <div className="text-zinc-400">{leave.leave_type}</div>
+                                    </div>
+                                ))}
+
+                                {/* Empty State (if weekday and no activity) */}
+                                {dayShifts.length === 0 && dayLeaves.length === 0 && day.getDay() !== 0 && (
+                                    <div className="h-full flex items-center justify-center p-4">
+                                        <span className="text-zinc-700 text-xs text-center">—</span>
+                                    </div>
+                                )}
+
+                                {/* Sunday indicator */}
+                                {day.getDay() === 0 && dayShifts.length === 0 && (
+                                    <div className="h-full flex flex-col items-center justify-center p-2 opacity-50">
+                                        <CalendarDays className="w-6 h-6 text-zinc-700 mb-1" />
+                                        <span className="text-zinc-600 text-xs font-medium">Weekly Off</span>
+                                    </div>
+                                )}
+                            </CardContent>
+                        </Card>
+                    )
+                })}
+            </div>
+
+            {/* Legend / Info */}
+            <div className="flex gap-6 justify-center md:justify-start text-xs text-zinc-500">
+                <div className="flex items-center gap-2">
+                    <div className="w-3 h-3 rounded bg-blue-500/20 border border-blue-500/30"></div>
+                    <span>Scheduled Shift</span>
+                </div>
+                <div className="flex items-center gap-2">
+                    <div className="w-3 h-3 rounded bg-yellow-500/20 border border-yellow-500/30"></div>
+                    <span>On Leave</span>
+                </div>
+                <div className="flex items-center gap-2">
+                    <div className="w-3 h-3 rounded bg-zinc-800 border-zinc-700"></div>
+                    <span>Weekly Off</span>
+                </div>
+            </div>
+        </div>
+    )
+}