//
//  FeelsWidget.swift
//  FeelsWidget
//
//  Created by Trey Tartt on 1/7/22.
//

import WidgetKit
import SwiftUI
import Intents
import SwiftData
import ActivityKit
import AppIntents

// MARK: - Live Activity Widget
// Note: MoodStreakAttributes is defined in MoodStreakActivity.swift (Shared folder)

struct MoodStreakLiveActivity: Widget {
    var body: some WidgetConfiguration {
        ActivityConfiguration(for: MoodStreakAttributes.self) { context in
            // Lock Screen / StandBy view
            MoodStreakLockScreenView(context: context)
        } dynamicIsland: { context in
            DynamicIsland {
                // Expanded view
                DynamicIslandExpandedRegion(.leading) {
                    HStack(spacing: 8) {
                        Image(systemName: "flame.fill")
                            .foregroundColor(.orange)
                        Text("\(context.state.currentStreak)")
                            .font(.title2.bold())
                    }
                }

                DynamicIslandExpandedRegion(.trailing) {
                    if context.state.hasLoggedToday {
                        Image(systemName: "checkmark.circle.fill")
                            .foregroundColor(.green)
                            .font(.title2)
                    } else {
                        Text("Log now")
                            .font(.caption)
                            .foregroundColor(.secondary)
                    }
                }

                DynamicIslandExpandedRegion(.center) {
                    Text(context.state.hasLoggedToday ? "Streak: \(context.state.currentStreak) days" : "Don't break your streak!")
                        .font(.headline)
                }

                DynamicIslandExpandedRegion(.bottom) {
                    if !context.state.hasLoggedToday {
                        Text("Voting closes at midnight")
                            .font(.caption)
                            .foregroundColor(.secondary)
                    } else {
                        HStack {
                            Circle()
                                .fill(Color(hex: context.state.lastMoodColor))
                                .frame(width: 20, height: 20)
                            Text("Today: \(context.state.lastMoodLogged)")
                                .font(.subheadline)
                        }
                    }
                }
            } compactLeading: {
                Image(systemName: "flame.fill")
                    .foregroundColor(.orange)
            } compactTrailing: {
                Text("\(context.state.currentStreak)")
                    .font(.caption.bold())
            } minimal: {
                Image(systemName: "flame.fill")
                    .foregroundColor(.orange)
            }
        }
    }
}

struct MoodStreakLockScreenView: View {
    let context: ActivityViewContext<MoodStreakAttributes>

    var body: some View {
        HStack(spacing: 16) {
            // Streak indicator
            VStack(spacing: 4) {
                Image(systemName: "flame.fill")
                    .font(.title)
                    .foregroundColor(.orange)
                Text("\(context.state.currentStreak)")
                    .font(.title.bold())
                Text("day streak")
                    .font(.caption)
                    .foregroundColor(.secondary)
            }

            Divider()
                .frame(height: 50)

            // Status
            VStack(alignment: .leading, spacing: 8) {
                if context.state.hasLoggedToday {
                    HStack(spacing: 8) {
                        Circle()
                            .fill(Color(hex: context.state.lastMoodColor))
                            .frame(width: 24, height: 24)
                        VStack(alignment: .leading) {
                            Text("Today's mood")
                                .font(.caption)
                                .foregroundColor(.secondary)
                            Text(context.state.lastMoodLogged)
                                .font(.headline)
                        }
                    }
                } else {
                    VStack(alignment: .leading) {
                        Text("Don't break your streak!")
                            .font(.headline)
                        Text("Tap to log your mood")
                            .font(.caption)
                            .foregroundColor(.secondary)
                    }
                }
            }

            Spacer()
        }
        .padding()
        .activityBackgroundTint(Color(.systemBackground).opacity(0.8))
    }
}

class WatchTimelineView: Identifiable {
    let id = UUID()
    let image: Image
    let graphic: Image
    let date: Date
    let color: Color
    let secondaryColor: Color
    let mood: Mood

    init(image: Image, graphic: Image, date: Date, color: Color, secondaryColor: Color, mood: Mood) {
        self.image = image
        self.date = date
        self.color = color
        self.graphic = graphic
        self.secondaryColor = secondaryColor
        self.mood = mood
    }
}

struct TimeLineCreator {
    @MainActor static func createViews(daysBack: Int) -> [WatchTimelineView] {
        var timeLineView = [WatchTimelineView]()

        let latestDayToShow = ShowBasedOnVoteLogics.getCurrentVotingDate(onboardingData: UserDefaultsStore.getOnboarding())
        let dates = Array(0...daysBack).map({
           Calendar.current.date(byAdding: .day, value: -$0, to: latestDayToShow)!
        })

        // Use WidgetDataProvider for isolated widget data access
        let dataProvider = WidgetDataProvider.shared

        for date in dates {
            let dayStart = Calendar.current.startOfDay(for: date)
            let dayEnd = Calendar.current.date(bySettingHour: 23, minute: 59, second: 59, of: dayStart)!
            let moodTint: MoodTintable.Type = UserDefaultsStore.moodTintable()
            let moodImages: MoodImagable.Type = UserDefaultsStore.moodMoodImagable()

            if let todayEntry = dataProvider.getData(startDate: dayStart, endDate: dayEnd, includedDays: []).first {
                timeLineView.append(WatchTimelineView(image: moodImages.icon(forMood: todayEntry.mood),
                                                      graphic: moodImages.icon(forMood: todayEntry.mood),
                                                      date: dayStart,
                                                      color: moodTint.color(forMood: todayEntry.mood),
                                                      secondaryColor: moodTint.secondary(forMood: todayEntry.mood),
                                                      mood: todayEntry.mood))
            } else {
                timeLineView.append(WatchTimelineView(image: moodImages.icon(forMood: .missing),
                                                      graphic: moodImages.icon(forMood: .missing),
                                                      date: dayStart,
                                                      color: moodTint.color(forMood: .missing),
                                                      secondaryColor: moodTint.secondary(forMood: .missing),
                                                      mood: .missing))
            }
        }

        timeLineView = timeLineView.sorted(by: { $0.date > $1.date  })
        return timeLineView
    }

    /// Creates sample preview data for widget picker - shows what widget looks like with mood data
    static func createSampleViews(count: Int) -> [WatchTimelineView] {
        var timeLineView = [WatchTimelineView]()
        let sampleMoods: [Mood] = [.great, .good, .average, .good, .great, .average, .bad, .good, .great, .good, .average]
        let moodTint: MoodTintable.Type = UserDefaultsStore.moodTintable()
        let moodImages: MoodImagable.Type = UserDefaultsStore.moodMoodImagable()

        for i in 0..<count {
            let date = Calendar.current.date(byAdding: .day, value: -i, to: Date())!
            let dayStart = Calendar.current.startOfDay(for: date)
            let mood = sampleMoods[i % sampleMoods.count]

            timeLineView.append(WatchTimelineView(
                image: moodImages.icon(forMood: mood),
                graphic: moodImages.icon(forMood: mood),
                date: dayStart,
                color: moodTint.color(forMood: mood),
                secondaryColor: moodTint.secondary(forMood: mood),
                mood: mood
            ))
        }

        return timeLineView
    }
}

struct Provider: @preconcurrency IntentTimelineProvider {
    let timeLineCreator = TimeLineCreator()
    
    /*
     placeholder for widget, no data
     gets redacted auto - uses sample data for widget picker preview
     */
    func placeholder(in context: Context) -> SimpleEntry {
        return SimpleEntry(date: Date(),
                           configuration: ConfigurationIntent(),
                           timeLineViews: TimeLineCreator.createSampleViews(count: 10))
    }

    @MainActor func getSnapshot(for configuration: ConfigurationIntent, in context: Context, completion: @escaping (SimpleEntry) -> ()) {
        // Use sample data for widget picker preview, real data otherwise
        let timeLineViews: [WatchTimelineView]
        if context.isPreview {
            timeLineViews = TimeLineCreator.createSampleViews(count: 10)
        } else {
            timeLineViews = Array(TimeLineCreator.createViews(daysBack: 11).prefix(10))
        }
        let (hasSubscription, hasVotedToday, promptText) = checkSubscriptionAndVoteStatus()
        let entry = SimpleEntry(date: Date(),
                                configuration: ConfigurationIntent(),
                                timeLineViews: timeLineViews,
                                hasSubscription: hasSubscription,
                                hasVotedToday: hasVotedToday,
                                promptText: promptText)
        completion(entry)
    }

    @MainActor func getTimeline(for configuration: ConfigurationIntent, in context: Context, completion: @escaping (Timeline<Entry>) -> ()) {
        let (hasSubscription, hasVotedToday, promptText) = checkSubscriptionAndVoteStatus()
        let entry = SimpleEntry(date: Calendar.current.date(byAdding: .second, value: 15, to: Date())!,
                                configuration: ConfigurationIntent(),
                                timeLineViews: nil,
                                hasSubscription: hasSubscription,
                                hasVotedToday: hasVotedToday,
                                promptText: promptText)

        let midNightEntry = SimpleEntry(date: Calendar.current.date(bySettingHour: 23, minute: 59, second: 59, of: Date())!,
                                        configuration: ConfigurationIntent(),
                                        timeLineViews: nil,
                                        hasSubscription: hasSubscription,
                                        hasVotedToday: hasVotedToday,
                                        promptText: promptText)

        let date = Calendar.current.date(byAdding: .second, value: 10, to: Date())!
        let timeline = Timeline(entries: [entry, midNightEntry], policy: .after(date))
        completion(timeline)
    }

    @MainActor
    private func checkSubscriptionAndVoteStatus() -> (hasSubscription: Bool, hasVotedToday: Bool, promptText: String) {
        let hasSubscription = GroupUserDefaults.groupDefaults.bool(forKey: UserDefaultsStore.Keys.hasActiveSubscription.rawValue)

        let votingDate = ShowBasedOnVoteLogics.getCurrentVotingDate(onboardingData: UserDefaultsStore.getOnboarding())
        let dayStart = Calendar.current.startOfDay(for: votingDate)
        let dayEnd = Calendar.current.date(bySettingHour: 23, minute: 59, second: 59, of: dayStart) ?? dayStart

        // Use WidgetDataProvider for isolated widget data access
        let todayEntry = WidgetDataProvider.shared.getData(startDate: dayStart, endDate: dayEnd, includedDays: []).first
        let hasVotedToday = todayEntry != nil && todayEntry?.mood != Mood.missing && todayEntry?.mood != Mood.placeholder

        let promptText = UserDefaultsStore.personalityPackable().randomPushNotificationStrings().body

        return (hasSubscription, hasVotedToday, promptText)
    }
}

struct SimpleEntry: TimelineEntry {
    let date: Date
    let configuration: ConfigurationIntent
    let timeLineViews: [WatchTimelineView]?
    let showStats: Bool
    let hasSubscription: Bool
    let hasVotedToday: Bool
    let promptText: String

    init(date: Date, configuration: ConfigurationIntent, timeLineViews: [WatchTimelineView]?, showStats: Bool = false, hasSubscription: Bool = false, hasVotedToday: Bool = true, promptText: String = "") {
        self.date = date
        self.configuration = configuration
        self.timeLineViews = timeLineViews
        self.showStats = showStats
        self.hasSubscription = hasSubscription
        self.hasVotedToday = hasVotedToday
        self.promptText = promptText
    }
}

/**********************************************************/
struct FeelsWidgetEntryView : View {
    @Environment(\.sizeCategory) var sizeCategory
    @Environment(\.widgetFamily) var family

    var entry: Provider.Entry

    private var showVotingForToday: Bool {
        !entry.hasVotedToday
    }

    @ViewBuilder
    var body: some View {
        Group {
            switch family {
            case .systemSmall:
                SmallWidgetView(entry: entry)
            case .systemMedium:
                MediumWidgetView(entry: entry)
            case .systemLarge:
                LargeWidgetView(entry: entry)
            case .systemExtraLarge:
                LargeWidgetView(entry: entry)
            case .accessoryCircular, .accessoryRectangular, .accessoryInline:
                SmallWidgetView(entry: entry)
            @unknown default:
                MediumWidgetView(entry: entry)
            }
        }
        .containerBackground(showVotingForToday ? Color.clear : Color(UIColor.systemBackground), for: .widget)
    }
}

struct SmallWidgetView: View {
    var entry: Provider.Entry
    var todayView: WatchTimelineView?

    private var showVotingForToday: Bool {
        !entry.hasVotedToday
    }

    private var dayFormatter: DateFormatter {
        let f = DateFormatter()
        f.dateFormat = "EEEE"
        return f
    }

    private var dateFormatter: DateFormatter {
        let f = DateFormatter()
        f.dateFormat = "MMM d"
        return f
    }

    init(entry: Provider.Entry) {
        self.entry = entry
        let realData = TimeLineCreator.createViews(daysBack: 2)
        let hasRealData = realData.contains { view in
            let moodTint: MoodTintable.Type = UserDefaultsStore.moodTintable()
            return view.color != moodTint.color(forMood: .missing)
        }
        todayView = hasRealData ? realData.first : TimeLineCreator.createSampleViews(count: 1).first
    }

    var body: some View {
        if showVotingForToday {
            // Show interactive voting buttons (or open app links if expired)
            VotingView(family: .systemSmall, promptText: entry.promptText, hasSubscription: entry.hasSubscription)
        } else if let today = todayView {
            VStack(spacing: 0) {
                Spacer()

                // Large mood icon
                today.image
                    .resizable()
                    .aspectRatio(contentMode: .fit)
                    .frame(width: 70, height: 70)
                    .foregroundColor(today.color)
                    .accessibilityLabel(today.mood.strValue)

                Spacer()
                    .frame(height: 12)

                // Date info
                VStack(spacing: 2) {
                    Text(dayFormatter.string(from: today.date))
                        .font(.caption2.weight(.medium))
                        .foregroundStyle(.secondary)
                        .textCase(.uppercase)

                    Text(dateFormatter.string(from: today.date))
                        .font(.subheadline.weight(.semibold))
                        .foregroundStyle(.primary)
                }

                Spacer()
            }
            .frame(maxWidth: .infinity, maxHeight: .infinity)
        }
    }
}

struct MediumWidgetView: View {
    var entry: Provider.Entry
    var timeLineView = [WatchTimelineView]()

    private var showVotingForToday: Bool {
        !entry.hasVotedToday
    }

    private var dayFormatter: DateFormatter {
        let f = DateFormatter()
        f.dateFormat = "EEE"
        return f
    }

    private var dateFormatter: DateFormatter {
        let f = DateFormatter()
        f.dateFormat = "d"
        return f
    }

    init(entry: Provider.Entry) {
        self.entry = entry
        let realData = Array(TimeLineCreator.createViews(daysBack: 6).prefix(5))
        let hasRealData = realData.contains { view in
            let moodTint: MoodTintable.Type = UserDefaultsStore.moodTintable()
            return view.color != moodTint.color(forMood: .missing)
        }
        timeLineView = hasRealData ? realData : TimeLineCreator.createSampleViews(count: 5)
    }

    private var headerDateRange: String {
        guard let first = timeLineView.first, let last = timeLineView.last else { return "" }
        let formatter = DateFormatter()
        formatter.dateFormat = "MMM d"
        return "\(formatter.string(from: last.date)) - \(formatter.string(from: first.date))"
    }

    var body: some View {
        if showVotingForToday {
            // Show interactive voting buttons (or open app links if expired)
            VotingView(family: .systemMedium, promptText: entry.promptText, hasSubscription: entry.hasSubscription)
        } else {
            GeometryReader { geo in
                let cellHeight = geo.size.height - 36

                VStack(spacing: 4) {
                    // Header
                    HStack {
                        Text("Last 5 Days")
                            .font(.subheadline.weight(.semibold))
                            .foregroundStyle(.primary)
                        Text("·")
                            .foregroundStyle(.secondary)
                        Text(headerDateRange)
                            .font(.caption)
                            .foregroundStyle(.secondary)
                        Spacer()
                    }
                    .padding(.horizontal, 14)
                    .padding(.top, 10)

                    // Single row of 5 days
                    HStack(spacing: 8) {
                        ForEach(Array(timeLineView.enumerated()), id: \.element.id) { index, item in
                            MediumDayCell(
                                dayLabel: dayFormatter.string(from: item.date),
                                dateLabel: dateFormatter.string(from: item.date),
                                image: item.image,
                                color: item.color,
                                isToday: index == 0,
                                height: cellHeight,
                                mood: item.mood
                            )
                        }
                    }
                    .padding(.horizontal, 10)
                    .padding(.bottom, 10)
                }
            }
        }
    }
}

// MARK: - Day Cell for Medium Widget

struct MediumDayCell: View {
    let dayLabel: String
    let dateLabel: String
    let image: Image
    let color: Color
    let isToday: Bool
    let height: CGFloat
    let mood: Mood

    var body: some View {
        ZStack {
            RoundedRectangle(cornerRadius: 14)
                .fill(color.opacity(isToday ? 0.25 : 0.12))
                .frame(height: height)

            VStack(spacing: 4) {
                Text(dayLabel)
                    .font(.caption2.weight(isToday ? .bold : .medium))
                    .foregroundStyle(isToday ? .primary : .secondary)
                    .textCase(.uppercase)

                image
                    .resizable()
                    .aspectRatio(contentMode: .fit)
                    .frame(width: 36, height: 36)
                    .foregroundColor(color)
                    .accessibilityLabel(mood.strValue)

                Text(dateLabel)
                    .font(.caption.weight(isToday ? .bold : .semibold))
                    .foregroundStyle(isToday ? color : .secondary)
            }
        }
        .frame(maxWidth: .infinity)
    }
}

struct LargeWidgetView: View {
    var entry: Provider.Entry
    var timeLineView = [WatchTimelineView]()

    private var showVotingForToday: Bool {
        !entry.hasVotedToday
    }

    init(entry: Provider.Entry) {
        self.entry = entry
        let realData = Array(TimeLineCreator.createViews(daysBack: 11).prefix(10))
        let hasRealData = realData.contains { view in
            let moodTint: MoodTintable.Type = UserDefaultsStore.moodTintable()
            return view.color != moodTint.color(forMood: .missing)
        }
        timeLineView = hasRealData ? realData : TimeLineCreator.createSampleViews(count: 10)
    }

    private var dayFormatter: DateFormatter {
        let f = DateFormatter()
        f.dateFormat = "EEE"
        return f
    }

    private var dateFormatter: DateFormatter {
        let f = DateFormatter()
        f.dateFormat = "d"
        return f
    }

    var body: some View {
        if showVotingForToday {
            // Show interactive voting buttons for large widget (or open app links if expired)
            LargeVotingView(promptText: entry.promptText, hasSubscription: entry.hasSubscription)
        } else {
            GeometryReader { geo in
                let cellHeight = (geo.size.height - 70) / 2 // Subtract header height, divide by 2 rows

                VStack(spacing: 6) {
                    // Header
                    HStack {
                        VStack(alignment: .leading, spacing: 2) {
                            Text("Last 10 Days")
                                .font(.subheadline.weight(.semibold))
                                .foregroundStyle(.primary)
                            Text(headerDateRange)
                                .font(.caption2)
                                .foregroundStyle(.secondary)
                        }
                        Spacer()
                    }
                    .padding(.horizontal, 12)
                    .padding(.top, 8)

                    // Calendar grid - 2 rows of 5
                    VStack(spacing: 6) {
                        // First row (most recent 5)
                        HStack(spacing: 6) {
                            ForEach(Array(timeLineView.prefix(5).enumerated()), id: \.element.id) { index, item in
                                DayCell(
                                    dayLabel: dayFormatter.string(from: item.date),
                                    dateLabel: dateFormatter.string(from: item.date),
                                    image: item.image,
                                    color: item.color,
                                    isToday: index == 0,
                                    height: cellHeight,
                                    mood: item.mood
                                )
                            }
                        }

                        // Second row (older 5)
                        HStack(spacing: 6) {
                            ForEach(Array(timeLineView.suffix(5).enumerated()), id: \.element.id) { _, item in
                                DayCell(
                                    dayLabel: dayFormatter.string(from: item.date),
                                    dateLabel: dateFormatter.string(from: item.date),
                                    image: item.image,
                                    color: item.color,
                                    isToday: false,
                                    height: cellHeight,
                                    mood: item.mood
                                )
                            }
                        }
                    }
                    .padding(.horizontal, 10)
                    .padding(.bottom, 8)
                }
            }
        }
    }

    private var headerDateRange: String {
        guard let first = timeLineView.first, let last = timeLineView.last else { return "" }
        let formatter = DateFormatter()
        formatter.dateFormat = "MMM d"
        return "\(formatter.string(from: last.date)) - \(formatter.string(from: first.date))"
    }

    private var dominantMood: (image: Image, color: Color)? {
        guard !timeLineView.isEmpty else { return nil }
        // Return the most recent mood
        let first = timeLineView.first!
        return (first.image, first.color)
    }
}

// MARK: - Day Cell for Large Widget

struct DayCell: View {
    let dayLabel: String
    let dateLabel: String
    let image: Image
    let color: Color
    let isToday: Bool
    let height: CGFloat
    let mood: Mood

    var body: some View {
        VStack(spacing: 2) {
            Text(dayLabel)
                .font(.caption2.weight(isToday ? .bold : .medium))
                .foregroundStyle(isToday ? .primary : .secondary)
                .textCase(.uppercase)

            ZStack {
                RoundedRectangle(cornerRadius: 14)
                    .fill(color.opacity(isToday ? 0.25 : 0.12))
                    .frame(height: height - 16)

                VStack(spacing: 6) {
                    image
                        .resizable()
                        .aspectRatio(contentMode: .fit)
                        .frame(width: 38, height: 38)
                        .foregroundColor(color)
                        .accessibilityLabel(mood.strValue)

                    Text(dateLabel)
                        .font(.caption.weight(isToday ? .bold : .semibold))
                        .foregroundStyle(isToday ? color : .secondary)
                }
            }
        }
        .frame(maxWidth: .infinity)
    }
}

// MARK: - Large Voting View

struct LargeVotingView: View {
    let promptText: String
    let hasSubscription: Bool

    private var moodTint: MoodTintable.Type {
        UserDefaultsStore.moodTintable()
    }

    private var moodImages: MoodImagable.Type {
        UserDefaultsStore.moodMoodImagable()
    }

    var body: some View {
        VStack(spacing: 16) {
            Spacer()

            Text(hasSubscription ? promptText : "Subscribe to track your mood")
                .font(.title3.weight(.semibold))
                .foregroundStyle(.primary)
                .multilineTextAlignment(.center)
                .lineLimit(2)
                .minimumScaleFactor(0.8)
                .padding(.horizontal, 8)

            // Large mood buttons in a row - flexible spacing
            HStack(spacing: 0) {
                ForEach([Mood.great, .good, .average, .bad, .horrible], id: \.rawValue) { mood in
                    moodButton(for: mood)
                        .frame(maxWidth: .infinity)
                }
            }

            Spacer()
        }
        .padding(.horizontal, 12)
        .padding(.vertical, 16)
    }

    @ViewBuilder
    private func moodButton(for mood: Mood) -> some View {
        if hasSubscription {
            Button(intent: VoteMoodIntent(mood: mood)) {
                moodButtonContent(for: mood)
            }
            .buttonStyle(.plain)
            .accessibilityLabel(mood.strValue)
            .accessibilityHint(String(localized: "Log this mood"))
        } else {
            Link(destination: URL(string: "feels://subscribe")!) {
                moodButtonContent(for: mood)
            }
            .accessibilityLabel(mood.strValue)
            .accessibilityHint(String(localized: "Open app to subscribe"))
        }
    }

    private func moodButtonContent(for mood: Mood) -> some View {
        VStack(spacing: 4) {
            moodImages.icon(forMood: mood)
                .resizable()
                .aspectRatio(contentMode: .fit)
                .frame(width: 40, height: 40)
                .foregroundColor(moodTint.color(forMood: mood))

            Text(mood.widgetDisplayName)
                .font(.caption2.weight(.medium))
                .foregroundColor(moodTint.color(forMood: mood))
                .lineLimit(1)
                .minimumScaleFactor(0.8)
        }
        .padding(.vertical, 8)
        .padding(.horizontal, 4)
        .background(
            RoundedRectangle(cornerRadius: 12)
                .fill(moodTint.color(forMood: mood).opacity(0.15))
        )
    }
}

/**********************************************************/
struct FeelsGraphicWidgetEntryView : View {
    @Environment(\.sizeCategory) var sizeCategory
    @Environment(\.widgetFamily) var family

    var entry: Provider.Entry

    @ViewBuilder
    var body: some View {
        SmallGraphicWidgetView(entry: entry)
    }
}

struct SmallGraphicWidgetView: View {
    var entry: Provider.Entry
    var timeLineView: [WatchTimelineView]

    init(entry: Provider.Entry) {
        self.entry = entry
        let realData = TimeLineCreator.createViews(daysBack: 2)
        // Check if we have any real mood data (not all missing)
        let hasRealData = realData.contains { view in
            let moodTint: MoodTintable.Type = UserDefaultsStore.moodTintable()
            return view.color != moodTint.color(forMood: .missing)
        }
        timeLineView = hasRealData ? realData : TimeLineCreator.createSampleViews(count: 2)
    }

    private var iconViewModel: IconViewModel {
        if let first = timeLineView.first {
            return IconViewModel(backgroundImage: first.graphic,
                                 bgColor: first.color,
                                 bgOverlayColor: first.secondaryColor,
                                 centerImage: first.graphic,
                                 innerColor: first.color)
        } else {
            return IconViewModel.great
        }
    }

    var body: some View {
        Color.clear
            .containerBackground(for: .widget) {
                IconView(iconViewModel: iconViewModel)
            }
    }
}
/**********************************************************/
struct FeelsIconWidgetEntryView : View {
    @Environment(\.sizeCategory) var sizeCategory
    @Environment(\.widgetFamily) var family

    var entry: Provider.Entry

    @ViewBuilder
    var body: some View {
        SmallIconView(entry: entry)
    }
}

struct SmallIconView: View {
    var entry: Provider.Entry

    private var customWidget: CustomWidgetModel {
        UserDefaultsStore.getCustomWidgets().first(where: { $0.inUse == true })
            ?? CustomWidgetModel.randomWidget
    }

    var body: some View {
        CustomWidgetView(customWidgetModel: customWidget)
            .ignoresSafeArea()
            .containerBackground(for: .widget) {
                customWidget.bgColor
            }
    }
}
/**********************************************************/
struct TimeHeaderView: View {
    let startDate: Date
    let endDate: Date
    
    var formatter: DateFormatter {
        let dateFormatter = DateFormatter()
        dateFormatter.dateStyle = .medium
        return dateFormatter
    }
    
    var body: some View {
        HStack {
            Text(startDate, formatter: formatter)
                .font(.system(.footnote))
            Text(" - ")
                .font(.system(.footnote))
            Text(endDate, formatter: formatter)
                .font(.system(.footnote))
        }
    }
}

struct TimeBodyView: View {
    let group: [WatchTimelineView]
    var showVotingForToday: Bool = false
    var promptText: String = ""
    var hasSubscription: Bool = false

    var body: some View {
        if showVotingForToday {
            // Show voting view without extra background container
            InlineVotingView(promptText: promptText, hasSubscription: hasSubscription)
                .padding()
        } else {
            ZStack {
                Color(UIColor.secondarySystemBackground)
                HStack(spacing: 4) {
                    ForEach(group) { watchView in
                        EntryCard(timeLineView: watchView)
                    }
                }
                .padding()
            }
        }
    }
}

// MARK: - Inline Voting View (compact mood buttons for timeline widget)

struct InlineVotingView: View {
    let promptText: String
    let hasSubscription: Bool
    let moods: [Mood] = [.horrible, .bad, .average, .good, .great]

    private var moodTint: MoodTintable.Type {
        UserDefaultsStore.moodTintable()
    }

    private var moodImages: MoodImagable.Type {
        UserDefaultsStore.moodMoodImagable()
    }

    var body: some View {
        VStack(spacing: 8) {
            Text(hasSubscription ? promptText : "Tap to open app")
                .font(.subheadline)
                .foregroundStyle(.primary)
                .multilineTextAlignment(.center)
                .lineLimit(2)
                .minimumScaleFactor(0.7)

            HStack(spacing: 8) {
                ForEach(moods, id: \.rawValue) { mood in
                    moodButton(for: mood)
                }
            }
        }
    }

    @ViewBuilder
    private func moodButton(for mood: Mood) -> some View {
        if hasSubscription {
            Button(intent: VoteMoodIntent(mood: mood)) {
                moodIcon(for: mood)
            }
            .buttonStyle(.plain)
            .accessibilityLabel(mood.strValue)
            .accessibilityHint(String(localized: "Log this mood"))
        } else {
            Link(destination: URL(string: "feels://subscribe")!) {
                moodIcon(for: mood)
            }
            .accessibilityLabel(mood.strValue)
            .accessibilityHint(String(localized: "Open app to subscribe"))
        }
    }

    private func moodIcon(for mood: Mood) -> some View {
        moodImages.icon(forMood: mood)
            .resizable()
            .aspectRatio(contentMode: .fit)
            .frame(width: 44, height: 44)
            .foregroundColor(moodTint.color(forMood: mood))
    }
}

struct EntryCard: View {
    var timeLineView: WatchTimelineView

    var body: some View {
        timeLineView.image
            .resizable()
            .aspectRatio(contentMode: .fit)
            .frame(width: 50, height: 50, alignment: .center)
            .foregroundColor(timeLineView.color)
            .accessibilityLabel(timeLineView.mood.strValue)
    }
}

@main
struct FeelsBundle: WidgetBundle {
    var body: some Widget {
        FeelsWidget()
        FeelsGraphicWidget()
        FeelsIconWidget()
        FeelsVoteWidget()
        FeelsMoodControlWidget()
        MoodStreakLiveActivity()
    }
}

// MARK: - Control Center Widget
struct FeelsMoodControlWidget: ControlWidget {
    var body: some ControlWidgetConfiguration {
        StaticControlConfiguration(kind: "FeelsMoodControl") {
            ControlWidgetButton(action: OpenFeelsIntent()) {
                Label("Log Mood", systemImage: "face.smiling")
            }
        }
        .displayName("Log Mood")
        .description("Open Feels to log your mood")
    }
}

struct OpenFeelsIntent: AppIntent {
    static var title: LocalizedStringResource = "Open Feels"
    static var description = IntentDescription("Open the Feels app to log your mood")
    static var openAppWhenRun: Bool = true

    func perform() async throws -> some IntentResult {
        return .result()
    }
}

struct FeelsWidget: Widget {
    let kind: String = "FeelsWidget"
    
    var body: some WidgetConfiguration {
        IntentConfiguration(kind: kind,
                            intent: ConfigurationIntent.self,
                            provider: Provider()) { entry in
            FeelsWidgetEntryView(entry: entry)
        }
                            .configurationDisplayName("Feels")
                            .description("")
                            .supportedFamilies([.systemSmall, .systemMedium, .systemLarge])
    }
}

struct FeelsIconWidget: Widget {
    let kind: String = "FeelsIconWidget"

    var body: some WidgetConfiguration {
        IntentConfiguration(kind: kind,
                            intent: ConfigurationIntent.self,
                            provider: Provider()) { entry in
            FeelsIconWidgetEntryView(entry: entry)
        }
                            .configurationDisplayName("Feels Icon")
                            .description("")
                            .supportedFamilies([.systemSmall])
                            .contentMarginsDisabled()
    }
}

struct FeelsGraphicWidget: Widget {
    let kind: String = "FeelsGraphicWidget"

    var body: some WidgetConfiguration {
        IntentConfiguration(kind: kind,
                            intent: ConfigurationIntent.self,
                            provider: Provider()) { entry in
            FeelsGraphicWidgetEntryView(entry: entry)
        }
                            .configurationDisplayName("Mood Graphic")
                            .description("")
                            .supportedFamilies([.systemSmall])
                            .contentMarginsDisabled()
    }
}

// MARK: - Preview Helpers

private enum WidgetPreviewHelpers {
    static func sampleTimelineViews(count: Int, startMood: Mood = .great) -> [WatchTimelineView] {
        let moods: [Mood] = [.great, .good, .average, .bad, .horrible]
        let startIndex = moods.firstIndex(of: startMood) ?? 0
        return (0..<count).map { index in
            let mood = moods[(startIndex + index) % moods.count]
            return WatchTimelineView(
                image: EmojiMoodImages.icon(forMood: mood),
                graphic: EmojiMoodImages.icon(forMood: mood),
                date: Calendar.current.date(byAdding: .day, value: -index, to: Date())!,
                color: MoodTints.Default.color(forMood: mood),
                secondaryColor: MoodTints.Default.secondary(forMood: mood),
                mood: mood
            )
        }
    }

    static func sampleEntry(timelineCount: Int = 5, hasVotedToday: Bool = true, hasSubscription: Bool = true, startMood: Mood = .great) -> SimpleEntry {
        SimpleEntry(
            date: Date(),
            configuration: ConfigurationIntent(),
            timeLineViews: sampleTimelineViews(count: timelineCount, startMood: startMood),
            hasSubscription: hasSubscription,
            hasVotedToday: hasVotedToday,
            promptText: "How are you feeling today?"
        )
    }
}

// MARK: - FeelsWidget Previews (Timeline Widget)

// Small - Logged States
#Preview("Timeline Small - Great", as: .systemSmall) {
    FeelsWidget()
} timeline: {
    WidgetPreviewHelpers.sampleEntry(timelineCount: 1, startMood: .great)
}

#Preview("Timeline Small - Good", as: .systemSmall) {
    FeelsWidget()
} timeline: {
    WidgetPreviewHelpers.sampleEntry(timelineCount: 1, startMood: .good)
}

#Preview("Timeline Small - Average", as: .systemSmall) {
    FeelsWidget()
} timeline: {
    WidgetPreviewHelpers.sampleEntry(timelineCount: 1, startMood: .average)
}

#Preview("Timeline Small - Bad", as: .systemSmall) {
    FeelsWidget()
} timeline: {
    WidgetPreviewHelpers.sampleEntry(timelineCount: 1, startMood: .bad)
}

#Preview("Timeline Small - Horrible", as: .systemSmall) {
    FeelsWidget()
} timeline: {
    WidgetPreviewHelpers.sampleEntry(timelineCount: 1, startMood: .horrible)
}

// Small - Voting States
#Preview("Timeline Small - Voting", as: .systemSmall) {
    FeelsWidget()
} timeline: {
    WidgetPreviewHelpers.sampleEntry(timelineCount: 1, hasVotedToday: false)
}

#Preview("Timeline Small - Non-Subscriber", as: .systemSmall) {
    FeelsWidget()
} timeline: {
    WidgetPreviewHelpers.sampleEntry(timelineCount: 1, hasVotedToday: false, hasSubscription: false)
}

// Medium - Logged States
#Preview("Timeline Medium - Logged", as: .systemMedium) {
    FeelsWidget()
} timeline: {
    WidgetPreviewHelpers.sampleEntry(timelineCount: 5)
}

// Medium - Voting States
#Preview("Timeline Medium - Voting", as: .systemMedium) {
    FeelsWidget()
} timeline: {
    WidgetPreviewHelpers.sampleEntry(timelineCount: 5, hasVotedToday: false)
}

#Preview("Timeline Medium - Non-Subscriber", as: .systemMedium) {
    FeelsWidget()
} timeline: {
    WidgetPreviewHelpers.sampleEntry(timelineCount: 5, hasVotedToday: false, hasSubscription: false)
}

// Large - Logged States
#Preview("Timeline Large - Logged", as: .systemLarge) {
    FeelsWidget()
} timeline: {
    WidgetPreviewHelpers.sampleEntry(timelineCount: 10)
}

// Large - Voting States
#Preview("Timeline Large - Voting", as: .systemLarge) {
    FeelsWidget()
} timeline: {
    WidgetPreviewHelpers.sampleEntry(timelineCount: 10, hasVotedToday: false)
}

#Preview("Timeline Large - Non-Subscriber", as: .systemLarge) {
    FeelsWidget()
} timeline: {
    WidgetPreviewHelpers.sampleEntry(timelineCount: 10, hasVotedToday: false, hasSubscription: false)
}

// MARK: - FeelsGraphicWidget Previews (Mood Graphic)

#Preview("Graphic - Great", as: .systemSmall) {
    FeelsGraphicWidget()
} timeline: {
    WidgetPreviewHelpers.sampleEntry(timelineCount: 2, startMood: .great)
}

#Preview("Graphic - Good", as: .systemSmall) {
    FeelsGraphicWidget()
} timeline: {
    WidgetPreviewHelpers.sampleEntry(timelineCount: 2, startMood: .good)
}

#Preview("Graphic - Average", as: .systemSmall) {
    FeelsGraphicWidget()
} timeline: {
    WidgetPreviewHelpers.sampleEntry(timelineCount: 2, startMood: .average)
}

#Preview("Graphic - Bad", as: .systemSmall) {
    FeelsGraphicWidget()
} timeline: {
    WidgetPreviewHelpers.sampleEntry(timelineCount: 2, startMood: .bad)
}

#Preview("Graphic - Horrible", as: .systemSmall) {
    FeelsGraphicWidget()
} timeline: {
    WidgetPreviewHelpers.sampleEntry(timelineCount: 2, startMood: .horrible)
}

// MARK: - FeelsIconWidget Previews (Custom Icon)

#Preview("Custom Icon", as: .systemSmall) {
    FeelsIconWidget()
} timeline: {
    WidgetPreviewHelpers.sampleEntry()
}

// MARK: - Live Activity Previews (Lock Screen View)

#Preview("Live Activity - Not Logged") {
    HStack(spacing: 16) {
        VStack(spacing: 4) {
            Image(systemName: "flame.fill")
                .font(.title)
                .foregroundColor(.orange)
            Text("7")
                .font(.title.bold())
            Text("day streak")
                .font(.caption)
                .foregroundColor(.secondary)
        }

        Divider()
            .frame(height: 50)

        VStack(alignment: .leading) {
            Text("Don't break your streak!")
                .font(.headline)
            Text("Tap to log your mood")
                .font(.caption)
                .foregroundColor(.secondary)
        }

        Spacer()
    }
    .padding()
    .background(Color(.systemBackground).opacity(0.8))
}

#Preview("Live Activity - Great") {
    HStack(spacing: 16) {
        VStack(spacing: 4) {
            Image(systemName: "flame.fill")
                .font(.title)
                .foregroundColor(.orange)
            Text("15")
                .font(.title.bold())
            Text("day streak")
                .font(.caption)
                .foregroundColor(.secondary)
        }

        Divider()
            .frame(height: 50)

        HStack(spacing: 8) {
            Circle()
                .fill(MoodTints.Default.color(forMood: .great))
                .frame(width: 24, height: 24)
            VStack(alignment: .leading) {
                Text("Today's mood")
                    .font(.caption)
                    .foregroundColor(.secondary)
                Text("Great")
                    .font(.headline)
            }
        }

        Spacer()
    }
    .padding()
    .background(Color(.systemBackground).opacity(0.8))
}

#Preview("Live Activity - Good") {
    HStack(spacing: 16) {
        VStack(spacing: 4) {
            Image(systemName: "flame.fill")
                .font(.title)
                .foregroundColor(.orange)
            Text("30")
                .font(.title.bold())
            Text("day streak")
                .font(.caption)
                .foregroundColor(.secondary)
        }

        Divider()
            .frame(height: 50)

        HStack(spacing: 8) {
            Circle()
                .fill(MoodTints.Default.color(forMood: .good))
                .frame(width: 24, height: 24)
            VStack(alignment: .leading) {
                Text("Today's mood")
                    .font(.caption)
                    .foregroundColor(.secondary)
                Text("Good")
                    .font(.headline)
            }
        }

        Spacer()
    }
    .padding()
    .background(Color(.systemBackground).opacity(0.8))
}

#Preview("Live Activity - Average") {
    HStack(spacing: 16) {
        VStack(spacing: 4) {
            Image(systemName: "flame.fill")
                .font(.title)
                .foregroundColor(.orange)
            Text("10")
                .font(.title.bold())
            Text("day streak")
                .font(.caption)
                .foregroundColor(.secondary)
        }

        Divider()
            .frame(height: 50)

        HStack(spacing: 8) {
            Circle()
                .fill(MoodTints.Default.color(forMood: .average))
                .frame(width: 24, height: 24)
            VStack(alignment: .leading) {
                Text("Today's mood")
                    .font(.caption)
                    .foregroundColor(.secondary)
                Text("Average")
                    .font(.headline)
            }
        }

        Spacer()
    }
    .padding()
    .background(Color(.systemBackground).opacity(0.8))
}

#Preview("Live Activity - Bad") {
    HStack(spacing: 16) {
        VStack(spacing: 4) {
            Image(systemName: "flame.fill")
                .font(.title)
                .foregroundColor(.orange)
            Text("5")
                .font(.title.bold())
            Text("day streak")
                .font(.caption)
                .foregroundColor(.secondary)
        }

        Divider()
            .frame(height: 50)

        HStack(spacing: 8) {
            Circle()
                .fill(MoodTints.Default.color(forMood: .bad))
                .frame(width: 24, height: 24)
            VStack(alignment: .leading) {
                Text("Today's mood")
                    .font(.caption)
                    .foregroundColor(.secondary)
                Text("Bad")
                    .font(.headline)
            }
        }

        Spacer()
    }
    .padding()
    .background(Color(.systemBackground).opacity(0.8))
}

#Preview("Live Activity - Horrible") {
    HStack(spacing: 16) {
        VStack(spacing: 4) {
            Image(systemName: "flame.fill")
                .font(.title)
                .foregroundColor(.orange)
            Text("3")
                .font(.title.bold())
            Text("day streak")
                .font(.caption)
                .foregroundColor(.secondary)
        }

        Divider()
            .frame(height: 50)

        HStack(spacing: 8) {
            Circle()
                .fill(MoodTints.Default.color(forMood: .horrible))
                .frame(width: 24, height: 24)
            VStack(alignment: .leading) {
                Text("Today's mood")
                    .font(.caption)
                    .foregroundColor(.secondary)
                Text("Horrible")
                    .font(.headline)
            }
        }

        Spacer()
    }
    .padding()
    .background(Color(.systemBackground).opacity(0.8))
}