import WidgetKit
import Foundation

struct WidgetEntry: TimelineEntry {
    let date: Date
    let configuration: ConfigurationAppIntent
    let completionRate: Double
    let currentStreak: Int
    let nextHabits: [HabitEntry]
    let weeklyTrend: [Double]
    let currentTimeOfDay: String
    let currentTimeOfDaySymbol: String
    let currentTimeOfDayRange: String
    let nextRitualInfo: String?
}

// MARK: - Preview Helpers

extension WidgetEntry {
    /// Creates a preview entry for a specific time of day
    static func preview(
        timeOfDay: String,
        symbol: String,
        range: String,
        habits: [HabitEntry] = [],
        completionRate: Double = 0.65,
        streak: Int = 7,
        nextRitual: String? = nil
    ) -> WidgetEntry {
        WidgetEntry(
            date: Date(),
            configuration: ConfigurationAppIntent(),
            completionRate: completionRate,
            currentStreak: streak,
            nextHabits: habits,
            weeklyTrend: [],
            currentTimeOfDay: timeOfDay,
            currentTimeOfDaySymbol: symbol,
            currentTimeOfDayRange: range,
            nextRitualInfo: nextRitual
        )
    }
    
    /// Preview entries for each time of day
    static let morningPreview = WidgetEntry.preview(
        timeOfDay: "Morning",
        symbol: "sunrise.fill",
        range: "Before 11am",
        habits: [
            HabitEntry(id: UUID(), title: "Morning Meditation", symbolName: "figure.mind.and.body", ritualTitle: "Mindfulness", isCompleted: false),
            HabitEntry(id: UUID(), title: "Drink Water", symbolName: "drop.fill", ritualTitle: "Health", isCompleted: true),
            HabitEntry(id: UUID(), title: "Take Vitamins", symbolName: "pill.fill", ritualTitle: "Health", isCompleted: false)
        ],
        nextRitual: "Next: Midday Movement (11am – 2pm)"
    )
    
    static let middayPreview = WidgetEntry.preview(
        timeOfDay: "Midday",
        symbol: "sun.max.fill",
        range: "11am – 2pm",
        habits: [
            HabitEntry(id: UUID(), title: "Midday Walk", symbolName: "figure.walk", ritualTitle: "Movement", isCompleted: false),
            HabitEntry(id: UUID(), title: "Stretch Break", symbolName: "figure.flexibility", ritualTitle: "Movement", isCompleted: false)
        ],
        nextRitual: "Next: Deep Work (2pm – 5pm)"
    )
    
    static let afternoonPreview = WidgetEntry.preview(
        timeOfDay: "Afternoon",
        symbol: "sun.haze.fill",
        range: "2pm – 5pm",
        habits: [
            HabitEntry(id: UUID(), title: "Deep Focus Block", symbolName: "brain", ritualTitle: "Productivity", isCompleted: true),
            HabitEntry(id: UUID(), title: "Clear Inbox", symbolName: "envelope.fill", ritualTitle: "Productivity", isCompleted: false)
        ],
        nextRitual: "Next: Evening Wind-Down (5pm – 9pm)"
    )
    
    static let eveningPreview = WidgetEntry.preview(
        timeOfDay: "Evening",
        symbol: "sunset.fill",
        range: "5pm – 9pm",
        habits: [
            HabitEntry(id: UUID(), title: "Evening Reflection", symbolName: "book.fill", ritualTitle: "Mindfulness", isCompleted: false),
            HabitEntry(id: UUID(), title: "Gratitude Journal", symbolName: "heart.text.square.fill", ritualTitle: "Mindfulness", isCompleted: false)
        ],
        nextRitual: "Next: Sleep Prep (After 9pm)"
    )
    
    static let nightPreview = WidgetEntry.preview(
        timeOfDay: "Night",
        symbol: "moon.stars.fill",
        range: "After 9pm",
        habits: [
            HabitEntry(id: UUID(), title: "No Screens", symbolName: "iphone.slash", ritualTitle: "Sleep Prep", isCompleted: false),
            HabitEntry(id: UUID(), title: "Read Book", symbolName: "book.closed.fill", ritualTitle: "Sleep Prep", isCompleted: false)
        ],
        nextRitual: "Next: Morning Routine (Tomorrow)"
    )
    
    static let emptyPreview = WidgetEntry.preview(
        timeOfDay: "Afternoon",
        symbol: "sun.haze.fill",
        range: "2pm – 5pm",
        habits: [],
        nextRitual: "Next: Evening Wind-Down (5pm – 9pm)"
    )
}