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//
// Solsnu_Widget.swift
// Solsnu.Widget
//
// Created by Ivar Løvlie on 15/12/2025.
//
import WidgetKit
import SwiftUI
struct Provider: TimelineProvider {
func placeholder(in context: Context) -> SolvervEntry {
SolvervEntry(def: SolvervDef(date: Date()))
}
func getSnapshot(in context: Context, completion: @escaping (SolvervEntry) -> ()) {
let entry = SolvervEntry(def: SolvervDef(date: Date()))
completion(entry)
}
func getTimeline(in context: Context, completion: @escaping (Timeline<SolvervEntry>) -> ()) {
var entries: [SolvervEntry] = []
let currentDate = Date()
// Single entry for today
let entry = SolvervEntry(def: SolvervDef(date: currentDate))
entries.append(entry)
// Calculate next midnight for refresh
let calendar = Calendar.current
var components = calendar.dateComponents([.year, .month, .day], from: currentDate)
components.hour = 0
components.minute = 0
components.second = 0
let todayMidnight = calendar.date(from: components)!
let nextMidnight = calendar.date(byAdding: .day, value: 1, to: todayMidnight)!
let timeline = Timeline(entries: entries, policy: .after(nextMidnight))
completion(timeline)
}
}
struct SolvervEntry: TimelineEntry {
let date: Date
let emoji: String
let def: SolvervDef
init(def: SolvervDef, date: Date? = nil) {
self.date = date ?? def.date
self.emoji = def.emoji()
self.def = def;
}
}
struct Solsnu_WidgetEntryView : View {
var entry: Provider.Entry
var body: some View {
VStack {
Text("Time:")
Text(entry.date, style: .time)
Text("Emoji:")
Text(entry.emoji)
}
}
}
struct Solsnu_Widget: Widget {
let kind: String = "Solsnu_Widget_Small"
var body: some WidgetConfiguration {
StaticConfiguration(kind: kind, provider: Provider()) { entry in
if #available(iOS 17.0, *) {
SmallWidgetView(entry: entry)
.containerBackground(.fill.tertiary, for: .widget)
} else {
SmallWidgetView(entry: entry)
.padding()
.background()
}
}
.configurationDisplayName("Solstice Countdown")
.description("Days until next solstice or equinox")
.supportedFamilies([.systemSmall])
}
}
#Preview(as: .systemSmall) {
Solsnu_Widget()
} timeline: {
SolvervEntry(def: SolvervDef(utcString: "2025-09-22 18:20:00"))
SolvervEntry(def: SolvervDef(utcString: "2025-12-21 15:03:00"))
SolvervEntry(def: SolvervDef(utcString: "2026-03-20 14:46:00"))
SolvervEntry(def: SolvervDef(utcString: "2026-06-21 08:25:00"))
SolvervEntry(def: SolvervDef(utcString: "2026-09-23 00:06:00"))
SolvervEntry(def: SolvervDef(utcString: "2026-12-21 20:50:00"))
SolvervEntry(def: SolvervDef(utcString: "2027-03-20 20:25:00"))
SolvervEntry(def: SolvervDef(utcString: "2027-06-21 14:11:00"))
SolvervEntry(def: SolvervDef(utcString: "2027-09-23 06:02:00"))
SolvervEntry(def: SolvervDef(utcString: "2027-12-22 02:43:00"))
SolvervEntry(def: SolvervDef(utcString: "2028-03-20 02:17:00"))
SolvervEntry(def: SolvervDef(utcString: "2028-06-20 20:02:00"))
SolvervEntry(def: SolvervDef(utcString: "2028-09-22 11:45:00"))
SolvervEntry(def: SolvervDef(utcString: "2028-12-21 08:20:00"))
SolvervEntry(def: SolvervDef(utcString: "2029-03-20 08:01:00"))
SolvervEntry(def: SolvervDef(utcString: "2029-06-21 01:48:00"))
SolvervEntry(def: SolvervDef(utcString: "2029-09-22 17:37:00"))
SolvervEntry(def: SolvervDef(utcString: "2029-12-21 14:14:00"))
SolvervEntry(def: SolvervDef(utcString: "2030-03-20 13:51:00"))
SolvervEntry(def: SolvervDef(utcString: "2030-06-21 07:31:00"))
SolvervEntry(def: SolvervDef(utcString: "2030-09-22 23:27:00"))
SolvervEntry(def: SolvervDef(utcString: "2030-12-21 20:09:00"))
}
struct SolvervDef {
let date: Date;
init(date:Date) {
self.date = date;
}
init(utcString:String) {
let formatter = DateFormatter()
formatter.dateFormat = "yyyy-MM-dd HH:mm:ss"
formatter.timeZone = TimeZone(abbreviation: "UTC")
// Should probably guard this, but not now
let date = formatter.date(from: utcString)!
self.date = date
}
func emoji() -> String {
let components = Calendar.current.dateComponents([.year,.month,.day,.hour,.minute], from: date)
let hour = components.hour!
let minute = components.minute!
if hour == 2 && minute == 43 {
return "😀"
} else {
return ""
}
}
}
extension SolvervDef {
var season: Season {
guard let next = nextEvent else { return .winter }
return next.season
}
var nextEvent: SolsticeEvent? {
SolsticeData.shared.nextEvent()
}
func daysUntilNext() -> Int {
guard let next = nextEvent else { return 0 }
return next.daysUntil()
}
func progressRatio() -> Double {
guard let progress = SolsticeData.shared.progressToNextEvent() else { return 0.0 }
let ratio = Double(progress.elapsed) / Double(progress.total)
return max(0, min(1.0, ratio))
}
func upcomingEventsPreview(count: Int) -> [SolsticeEvent] {
SolsticeData.shared.upcomingEvents(count: count)
}
static var preview: SolvervDef {
SolvervDef(date: Date())
}
}
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