mycode/myApp/HaruDanim/Widgets/GoalWidgets.swift

//
//  GoalWidgets.swift
//  Haru_DanimWidgets
//
//  ② 목표 진행률 위젯 + ④ 다짐 현황 위젯 (CLAUDE.md §8.2)
//

import SwiftUI
import WidgetKit
import AppIntents

// MARK: - ② 목표 진행률 위젯 (Goal Progress)
//  목표의 하루/주간/월간 진행률을 가로 진행바로 표시.
//   - 소형: 목표 1개
//   - 중형: [목표 2개] 또는 [목표 1개 + 상위 다짐 2~3개] — 설정에서 선택
//   - 대형: [목표 4개 (2×2)] / [목표+다짐 위아래 2개] / [목표 1개 + 모든 다짐] — 설정에서 선택

/// 중형 위젯 구성
enum GoalMediumStyle: String, AppEnum {
    /// 목표 2개 나란히
    case twoGoals
    /// 목표 1개 + 상위 다짐들의 진행률
    case goalWithQuests

    static let typeDisplayRepresentation = TypeDisplayRepresentation(name: "중형 위젯 구성")
    static let caseDisplayRepresentations: [GoalMediumStyle: DisplayRepresentation] = [
        .twoGoals: "목표 2개",
        .goalWithQuests: "목표 1개 + 다짐 진행률",
    ]
}

/// 대형 위젯 구성
enum GoalLargeStyle: String, AppEnum {
    /// 목표 4개 (2×2)
    case fourGoals
    /// [목표 1개 + 다짐]을 위아래로 2개
    case twoGoalsWithQuests
    /// 목표 1개 + 소속된 모든 다짐
    case oneGoalAllQuests

    static let typeDisplayRepresentation = TypeDisplayRepresentation(name: "대형 위젯 구성")
    static let caseDisplayRepresentations: [GoalLargeStyle: DisplayRepresentation] = [
        .fourGoals: "목표 4개 (2×2)",
        .twoGoalsWithQuests: "목표+다짐 2개 (위아래)",
        .oneGoalAllQuests: "목표 1개 + 모든 다짐",
    ]
}

struct GoalProgressConfigIntent: WidgetConfigurationIntent {
    static let title: LocalizedStringResource = "목표 진행률 위젯"
    static let description = IntentDescription("진행률을 표시할 목표들과 위젯 구성, 테마를 선택하세요.")

    @Parameter(title: "목표")
    var goals: [GoalEntity]?

    @Parameter(title: "중형 위젯 구성", default: .twoGoals)
    var mediumStyle: GoalMediumStyle

    @Parameter(title: "대형 위젯 구성", default: .fourGoals)
    var largeStyle: GoalLargeStyle

    @Parameter(title: "테마", default: .matchApp)
    var theme: WidgetThemeOption
}

struct GoalProgressEntry: TimelineEntry {
    let date: Date
    let locked: Bool
    let theme: WidgetThemeOption
    let mediumStyle: GoalMediumStyle
    let largeStyle: GoalLargeStyle
    /// 패밀리·구성별 슬롯 수만큼 채워짐 (nil = 빈 칸)
    let goals: [GoalSnapshot?]

    /// 소속 다짐 중 측정 중인 것이 있으면 진행바가 계속 채워지므로 미래 엔트리를 미리 계산해 둔다
    var isLive: Bool { goals.contains { $0?.quests.contains { $0.isRunning } == true } }
}

struct GoalProgressProvider: AppIntentTimelineProvider {
    static func capacity(_ family: WidgetFamily, configuration: GoalProgressConfigIntent) -> Int {
        switch family {
        case .systemMedium: return configuration.mediumStyle == .twoGoals ? 2 : 1
        case .systemLarge:
            switch configuration.largeStyle {
            case .fourGoals: return 4
            case .twoGoalsWithQuests: return 2
            case .oneGoalAllQuests: return 1
            }
        default: return 1
        }
    }

    @MainActor
    static func makeEntry(_ configuration: GoalProgressConfigIntent, family: WidgetFamily,
                          now: Date = .now) -> GoalProgressEntry {
        IntentStore.refresh()
        guard WidgetStore.isUnlocked else {
            return GoalProgressEntry(date: now, locked: true, theme: configuration.theme,
                                     mediumStyle: configuration.mediumStyle,
                                     largeStyle: configuration.largeStyle, goals: [])
        }
        let capacity = Self.capacity(family, configuration: configuration)
        let goals = WidgetStore.selectedGoals(configuration.goals, defaultCount: capacity)
        return GoalProgressEntry(
            date: now,
            locked: false,
            theme: configuration.theme,
            mediumStyle: configuration.mediumStyle,
            largeStyle: configuration.largeStyle,
            goals: WidgetStore.slots(goals.map { GoalSnapshot.make(goal: $0, now: now) }, capacity: capacity)
        )
    }

    func placeholder(in context: Context) -> GoalProgressEntry {
        GoalProgressEntry(date: .now, locked: false, theme: .matchApp,
                          mediumStyle: .twoGoals, largeStyle: .fourGoals, goals: [.sample])
    }

    @MainActor
    func snapshot(for configuration: GoalProgressConfigIntent, in context: Context) async -> GoalProgressEntry {
        Self.makeEntry(configuration, family: context.family)
    }

    @MainActor
    func timeline(for configuration: GoalProgressConfigIntent, in context: Context) async -> Timeline<GoalProgressEntry> {
        let first = Self.makeEntry(configuration, family: context.family)
        return WidgetRefresh.timeline(first: first, live: first.isLive) { date in
            Self.makeEntry(configuration, family: context.family, now: date)
        }
    }
}

/// 목표 1개: 아이콘+이름 + 하루/주간/월간 진행바 3줄
struct GoalBarsCellView: View {
    let goal: GoalSnapshot
    /// 셀 하나가 위젯 전체를 차지할 때 (소형) — 위젯 모서리에 맞춰 여백 없이 채움
    var fullBleed = false

    var body: some View {
        VStack(alignment: .leading, spacing: 5) {
            HStack(spacing: 5) {
                Image(systemName: goal.symbolName)
                    .font(.system(size: 11, weight: .semibold))
                    .foregroundStyle(goal.color)
                Text(goal.title)
                    .font(.caption.weight(.semibold))
                    .lineLimit(1)
            }
            if goal.quests.isEmpty {
                // 다짐 없는 목표의 0% 진행바는 "실패 중"으로 오독됨 — 상태 문구로 표기 (④와 동일)
                Spacer()
                Text("다짐이 없어요")
                    .font(.caption2)
                    .foregroundStyle(.secondary)
                    .frame(maxWidth: .infinity)
                Spacer()
            } else {
                SpanBarRow(label: String(localized: "하루"), ratio: goal.dayRatio, color: goal.color)
                SpanBarRow(label: String(localized: "주간"), ratio: goal.weekRatio, color: goal.color)
                SpanBarRow(label: String(localized: "월간"), ratio: goal.monthRatio, color: goal.color)
            }
        }
        .padding(fullBleed ? 14 : 10)
        .frame(maxWidth: .infinity, maxHeight: .infinity, alignment: .top)
        .background(WidgetCellBackground(fullBleed: fullBleed))
    }
}

/// 다짐 1개의 하루 진행률 한 줄 (아이콘 + 이름 + 진행바 + %).
/// 연속 달성이 있으면 % 아래에 아주 작게 덧붙인다 (기존 열 폭·구성은 유지).
struct QuestBarRow: View {
    let quest: QuestCellSnapshot

    var body: some View {
        HStack(spacing: 6) {
            Image(systemName: quest.symbolName)
                .font(.system(size: 10, weight: .semibold))
                .foregroundStyle(quest.color)
                .frame(width: 14)
            Text(quest.targetName)
                .font(.caption2)
                .lineLimit(1)
                .frame(width: 52, alignment: .leading)
            ProgressView(value: min(max(quest.ratio, 0), 1))
                .progressViewStyle(.linear)
                .tint(quest.isAtMost && !quest.isAchieved && !quest.isRestDay ? Color.red : quest.color)
            if quest.isRestDay {
                // 오늘이 수행일이 아님 — 퍼센트 대신 대시 (하루 목록 전용 상태)
                Text(verbatim: "—")
                    .font(.system(size: 9, weight: .semibold))
                    .foregroundStyle(.tertiary)
                    .frame(width: 34, alignment: .trailing)
            } else if let streak = quest.streakLabel {
                VStack(alignment: .trailing, spacing: 0) {
                    Text(Format.percent(quest.displayRatio))
                        .font(.system(size: 9, weight: .semibold).monospacedDigit())
                        .foregroundStyle(.secondary)
                    Text(streak)
                        .font(.system(size: 6.5, weight: .semibold))
                        .foregroundStyle(AppTheme.yellow)
                        .lineLimit(1)
                        .minimumScaleFactor(0.8)
                }
                .frame(width: 34, alignment: .trailing)
            } else {
                Text(Format.percent(quest.displayRatio))
                    .font(.system(size: 9, weight: .semibold).monospacedDigit())
                    .foregroundStyle(.secondary)
                    .frame(width: 34, alignment: .trailing)
            }
        }
    }
}

/// 다짐 하루 진행률 목록 카드 — 고정 개수 대신 주어진 높이에 들어가는 만큼 최대한 채운다.
/// 다 못 담으면 헤더 오른쪽에 "+N" 표기. (중형/대형 구성들이 공용)
struct QuestBarsColumn: View {
    let quests: [QuestCellSnapshot]

    /// 연속 달성 줄이 하나라도 있으면 행 높이를 살짝 키운다 (없으면 기존 14 그대로 —
    /// 표시 개수 계산(fitCount)이 자동으로 따라오므로 넘치지 않는다)
    private var rowHeight: CGFloat {
        quests.contains { $0.streakLabel != nil } ? 19 : 14
    }
    private let rowSpacing: CGFloat = 6
    private let headerHeight: CGFloat = 17

    var body: some View {
        GeometryReader { geo in
            let fitCount = max(Int((geo.size.height - headerHeight + rowSpacing) / (rowHeight + rowSpacing)), 1)
            let shown = Array(quests.prefix(fitCount))
            VStack(alignment: .leading, spacing: rowSpacing) {
                HStack {
                    Text("다짐 (하루)")
                        .font(.system(size: 9, weight: .semibold))
                        .foregroundStyle(.secondary)
                    Spacer()
                    if quests.count > shown.count {
                        Text(verbatim: "+\(quests.count - shown.count)")
                            .font(.system(size: 9, weight: .semibold).monospacedDigit())
                            .foregroundStyle(.tertiary)
                    }
                }
                .frame(height: headerHeight - rowSpacing, alignment: .top)
                if quests.isEmpty {
                    Spacer()
                    Text("다짐이 없어요")
                        .font(.caption2)
                        .foregroundStyle(.secondary)
                        .frame(maxWidth: .infinity)
                    Spacer()
                } else {
                    ForEach(shown) { quest in
                        QuestBarRow(quest: quest)
                            .frame(height: rowHeight)
                    }
                    Spacer(minLength: 0)
                }
            }
        }
        .padding(10)
        .background(WidgetCellBackground())
    }
}

/// 목표 1개 + 상위 다짐들의 하루 진행률 (중형 구성 2 / 대형 구성 2)
struct GoalWithQuestsCellView: View {
    let goal: GoalSnapshot

    var body: some View {
        HStack(alignment: .top, spacing: 10) {
            GoalBarsCellView(goal: goal)
                .frame(maxWidth: .infinity)
            QuestBarsColumn(quests: goal.quests)
                .frame(maxWidth: .infinity, maxHeight: .infinity)
        }
    }
}

struct GoalProgressWidgetView: View {
    @Environment(\.widgetFamily) private var envFamily
    /// 앱 내 DEBUG 미리보기에서 패밀리를 강제할 때 사용
    var previewFamily: WidgetFamily? = nil
    private var family: WidgetFamily { previewFamily ?? envFamily }
    let entry: GoalProgressEntry

    var body: some View {
        Group {
            if entry.locked {
                WidgetLockedView()
                    .padding(12)
            } else if !entry.goals.contains(where: { $0 != nil }) {
                WidgetEmptyView(symbolName: "flag.fill", message: "목표 탭에서 목표를 만들면\n진행률이 표시돼요")
            } else {
                switch family {
                case .systemMedium:
                    mediumLayout
                        .padding(10)
                case .systemLarge:
                    largeLayout
                        .padding(10)
                default:
                    // 소형: 셀 하나가 위젯 전체를 여백 없이 채움 (풀블리드)
                    if let goal = entry.goals.first ?? nil {
                        GoalBarsCellView(goal: goal, fullBleed: true)
                    }
                }
            }
        }
        .widgetAppTheme(entry.theme)
    }

    @ViewBuilder
    private var mediumLayout: some View {
        switch entry.mediumStyle {
        case .twoGoals:
            HStack(spacing: 8) {
                ForEach(0..<2, id: \.self) { index in
                    slotCell(index)
                }
            }
        case .goalWithQuests:
            if let goal = entry.goals.first ?? nil {
                GoalWithQuestsCellView(goal: goal)
            }
        }
    }

    @ViewBuilder
    private var largeLayout: some View {
        switch entry.largeStyle {
        case .fourGoals:
            VStack(spacing: 8) {
                HStack(spacing: 8) {
                    slotCell(0)
                    slotCell(1)
                }
                HStack(spacing: 8) {
                    slotCell(2)
                    slotCell(3)
                }
            }
        case .twoGoalsWithQuests:
            VStack(spacing: 8) {
                ForEach(0..<2, id: \.self) { index in
                    if index < entry.goals.count, let goal = entry.goals[index] {
                        GoalWithQuestsCellView(goal: goal)
                    } else {
                        WidgetBlankCellView()
                    }
                }
            }
        case .oneGoalAllQuests:
            if let goal = entry.goals.first ?? nil {
                VStack(spacing: 8) {
                    GoalBarsCellView(goal: goal)
                        .frame(maxHeight: 130)
                    QuestBarsColumn(quests: goal.quests)
                        .frame(maxWidth: .infinity, maxHeight: .infinity)
                }
            }
        }
    }

    @ViewBuilder
    private func slotCell(_ index: Int) -> some View {
        if index < entry.goals.count, let goal = entry.goals[index] {
            GoalBarsCellView(goal: goal)
        } else {
            WidgetBlankCellView()
        }
    }
}

struct GoalProgressWidget: Widget {
    var body: some WidgetConfiguration {
        AppIntentConfiguration(
            kind: "HaruGoalBarsWidget",
            intent: GoalProgressConfigIntent.self,
            provider: GoalProgressProvider()
        ) { entry in
            GoalProgressWidgetView(entry: entry)
        }
        .configurationDisplayName("목표 진행률")
        .description("목표의 하루·주간·월간 진행률을 진행바로 확인해요. (프리미엄)")
        .supportedFamilies([.systemSmall, .systemMedium, .systemLarge])
        .contentMarginsDisabled()
    }
}

// MARK: - ④ 다짐 현황 위젯 (Quest Status, 인터랙티브 없음)
//  선택한 목표에 속한 다짐들의 진행률 링을 한눈에. 링 아래엔 이름만(% 없음),
//  좌측 상단에 목표 아이콘+이름.
//   - 소형: 다짐 4개 (2×2)
//   - 중형: 다짐 8개 (4×2)
//   - 대형: [다짐 16개 (4×4)] / [목표 4개 (2×2)] / [목표 2개 (위아래)] — 설정에서 선택

/// 대형 위젯 구성
enum QuestStatusLargeStyle: String, AppEnum {
    /// 목표 1개의 다짐을 최대 16개 (4×4)
    case manyQuests
    /// 목표 4개를 2×2로 (목표당 다짐 4개)
    case fourGoals
    /// 목표 2개를 위아래로 (목표당 다짐 8개)
    case twoGoals

    static let typeDisplayRepresentation = TypeDisplayRepresentation(name: "대형 위젯 구성")
    static let caseDisplayRepresentations: [QuestStatusLargeStyle: DisplayRepresentation] = [
        .manyQuests: "목표 1개 · 다짐 16개",
        .fourGoals: "목표 4개 (2×2)",
        .twoGoals: "목표 2개 (위아래)",
    ]
}

struct QuestStatusConfigIntent: WidgetConfigurationIntent {
    static let title: LocalizedStringResource = "다짐 현황 위젯"
    static let description = IntentDescription("다짐들의 진행률 링을 보여줄 목표와 기간, 테마를 선택하세요.")

    @Parameter(title: "목표")
    var goals: [GoalEntity]?

    @Parameter(title: "진행률 기간", default: .day)
    var span: SpanOption

    @Parameter(title: "대형 위젯 구성", default: .manyQuests)
    var largeStyle: QuestStatusLargeStyle

    @Parameter(title: "테마", default: .matchApp)
    var theme: WidgetThemeOption
}

struct QuestStatusEntry: TimelineEntry {
    let date: Date
    let locked: Bool
    let theme: WidgetThemeOption
    let spanLabel: String
    let largeStyle: QuestStatusLargeStyle
    let goals: [GoalSnapshot?]

    var isLive: Bool { goals.contains { $0?.quests.contains { $0.isRunning } == true } }
}

struct QuestStatusProvider: AppIntentTimelineProvider {
    static func capacity(_ family: WidgetFamily, configuration: QuestStatusConfigIntent) -> Int {
        guard family == .systemLarge else { return 1 }
        switch configuration.largeStyle {
        case .manyQuests: return 1
        case .fourGoals: return 4
        case .twoGoals: return 2
        }
    }

    @MainActor
    static func makeEntry(_ configuration: QuestStatusConfigIntent, family: WidgetFamily,
                          now: Date = .now) -> QuestStatusEntry {
        IntentStore.refresh()
        guard WidgetStore.isUnlocked else {
            return QuestStatusEntry(date: now, locked: true, theme: configuration.theme,
                                    spanLabel: "", largeStyle: configuration.largeStyle, goals: [])
        }
        let capacity = Self.capacity(family, configuration: configuration)
        let goals = WidgetStore.selectedGoals(configuration.goals, defaultCount: capacity)
        let span = configuration.span.statSpan
        return QuestStatusEntry(
            date: now,
            locked: false,
            theme: configuration.theme,
            spanLabel: configuration.span.label,
            largeStyle: configuration.largeStyle,
            goals: WidgetStore.slots(goals.map { GoalSnapshot.make(goal: $0, span: span, now: now) },
                                     capacity: capacity)
        )
    }

    func placeholder(in context: Context) -> QuestStatusEntry {
        QuestStatusEntry(date: .now, locked: false, theme: .matchApp, spanLabel: String(localized: "오늘"),
                         largeStyle: .manyQuests, goals: [.sample])
    }

    @MainActor
    func snapshot(for configuration: QuestStatusConfigIntent, in context: Context) async -> QuestStatusEntry {
        Self.makeEntry(configuration, family: context.family)
    }

    @MainActor
    func timeline(for configuration: QuestStatusConfigIntent, in context: Context) async -> Timeline<QuestStatusEntry> {
        let first = Self.makeEntry(configuration, family: context.family)
        return WidgetRefresh.timeline(first: first, live: first.isLive) { date in
            Self.makeEntry(configuration, family: context.family, now: date)
        }
    }
}

/// 링 + 이름만 (진행률 % 텍스트 없음). 연속 달성이 있으면 이름 아래 아주 작게 덧붙인다.
struct QuestRingCellView: View {
    let quest: QuestCellSnapshot
    var ringSize: CGFloat = 34

    var body: some View {
        VStack(spacing: 5) {
            QuestRingView(snapshot: quest, lineWidth: 4, iconSize: ringSize * 0.36)
                .frame(width: ringSize, height: ringSize)
                // 오늘이 수행일이 아니면(하루 기간 전용 상태) 흐리게 — 빈 링과 구분
                .opacity(quest.isRestDay ? 0.4 : 1)
            VStack(spacing: 1) {
                Text(quest.targetName)
                    .font(.system(size: 8, weight: .medium))
                    .lineLimit(1)
                    .foregroundStyle(.secondary)
                if let streak = quest.streakLabel {
                    Text(streak)
                        .font(.system(size: 7, weight: .semibold))
                        .foregroundStyle(AppTheme.yellow)
                        .lineLimit(1)
                }
            }
        }
    }
}

struct QuestStatusWidgetView: View {
    @Environment(\.widgetFamily) private var envFamily
    /// 앱 내 DEBUG 미리보기에서 패밀리를 강제할 때 사용
    var previewFamily: WidgetFamily? = nil
    private var family: WidgetFamily { previewFamily ?? envFamily }
    let entry: QuestStatusEntry

    var body: some View {
        Group {
            if entry.locked {
                WidgetLockedView()
            } else if !entry.goals.contains(where: { $0 != nil }) {
                WidgetEmptyView(symbolName: "square.grid.2x2", message: "목표 탭에서 목표와\n다짐을 만들어 보세요")
            } else {
                switch family {
                case .systemMedium:
                    // 중형: 다짐 상위 8개 (4×2)
                    if let goal = entry.goals.first ?? nil {
                        goalSection(goal, maxCount: 8, columns: 4, ringSize: goal.quests.count > 4 ? 30 : 38)
                    }
                case .systemLarge:
                    largeLayout
                default:
                    // 소형: 다짐 상위 4개 (2×2)
                    if let goal = entry.goals.first ?? nil {
                        goalSection(goal, maxCount: 4, columns: 2, ringSize: 32)
                    }
                }
            }
        }
        .padding(13)
        .widgetAppTheme(entry.theme)
    }

    @ViewBuilder
    private var largeLayout: some View {
        switch entry.largeStyle {
        case .manyQuests:
            if let goal = entry.goals.first ?? nil {
                goalSection(goal, maxCount: 16, columns: 4, ringSize: 44)
            }
        case .fourGoals:
            VStack(spacing: 10) {
                ForEach(0..<2, id: \.self) { row in
                    HStack(spacing: 10) {
                        ForEach(0..<2, id: \.self) { col in
                            goalSlot(row * 2 + col, maxCount: 4, columns: 2, ringSize: 30)
                        }
                    }
                }
            }
        case .twoGoals:
            VStack(spacing: 10) {
                ForEach(0..<2, id: \.self) { index in
                    goalSlot(index, maxCount: 8, columns: 4, ringSize: 34)
                }
            }
        }
    }

    @ViewBuilder
    private func goalSlot(_ index: Int, maxCount: Int, columns: Int, ringSize: CGFloat) -> some View {
        if index < entry.goals.count, let goal = entry.goals[index] {
            goalSection(goal, maxCount: maxCount, columns: columns, ringSize: ringSize)
        } else {
            WidgetBlankCellView()
        }
    }

    private func goalSection(_ goal: GoalSnapshot, maxCount: Int, columns: Int, ringSize: CGFloat) -> some View {
        VStack(spacing: 10) {
            HStack(spacing: 4) {
                Image(systemName: goal.symbolName)
                    .font(.system(size: 10, weight: .semibold))
                    .foregroundStyle(goal.color)
                Text(goal.title)
                    .font(.caption2.weight(.semibold))
                    .lineLimit(1)
                Spacer()
                Text(entry.spanLabel)
                    .font(.system(size: 8))
                    .foregroundStyle(.tertiary)
            }
            if goal.quests.isEmpty {
                Spacer()
                Text("다짐이 없어요")
                    .font(.caption2)
                    .foregroundStyle(.secondary)
                Spacer()
            } else {
                let quests = Array(goal.quests.prefix(maxCount))
                let grid = [GridItem](repeating: GridItem(.flexible(), spacing: 8), count: columns)
                LazyVGrid(columns: grid, spacing: 12) {
                    ForEach(quests) { quest in
                        QuestRingCellView(quest: quest, ringSize: ringSize)
                    }
                }
                Spacer(minLength: 0)
            }
        }
    }
}

struct QuestStatusWidget: Widget {
    var body: some WidgetConfiguration {
        AppIntentConfiguration(
            kind: "HaruGoalQuestGridWidget",
            intent: QuestStatusConfigIntent.self,
            provider: QuestStatusProvider()
        ) { entry in
            QuestStatusWidgetView(entry: entry)
        }
        .configurationDisplayName("다짐 현황")
        .description("목표에 속한 다짐들의 진행률을 원형 링으로 한눈에 봐요. (프리미엄)")
        .supportedFamilies([.systemSmall, .systemMedium, .systemLarge])
        .contentMarginsDisabled()
    }
}