import CodexBarCoreimport Foundation @MainActorstruct MenuDescriptor {    struct Section {        var entries: [Entry]    }     enum Entry {        case text(String, TextStyle)        case action(String, MenuAction)        case divider    }     enum MenuActionSystemImage: String {        case refresh = "arrow.clockwise"        case dashboard = "chart.bar"        case statusPage = "waveform.path.ecg"        case switchAccount = "key"        case settings = "gearshape"        case about = "info.circle"        case quit = "xmark.rectangle"        case copyError = "doc.on.doc"    }     enum TextStyle {        case headline        case primary        case secondary    }     enum MenuAction {        case refresh        case dashboard        case statusPage        case switchAccount(UsageProvider)        case settings        case about        case quit        case copyError(String)    }     var sections: [Section]     static func build(        provider: UsageProvider?,        store: UsageStore,        settings: SettingsStore,        account: AccountInfo) -> MenuDescriptor    {        var sections: [Section] = []         switch provider {        case .codex?:            sections.append(Self.usageSection(for: .codex, store: store))            sections.append(Self.accountSection(                claude: nil,                codex: store.snapshot(for: .codex),                account: account,                preferClaude: false))        case .claude?:            sections.append(Self.usageSection(for: .claude, store: store))            sections.append(Self.accountSection(                claude: store.snapshot(for: .claude),                codex: store.snapshot(for: .codex),                account: account,                preferClaude: true))        case nil:            var addedUsage = false            if store.isEnabled(.codex) {                sections.append(Self.usageSection(for: .codex, store: store))                addedUsage = true            }            if store.isEnabled(.claude) {                sections.append(Self.usageSection(for: .claude, store: store))                addedUsage = true            }            if addedUsage {                sections.append(Self.accountSection(                    claude: store.snapshot(for: .claude),                    codex: store.snapshot(for: .codex),                    account: account,                    preferClaude: store.isEnabled(.claude)))            } else {                sections.append(Section(entries: [.text("No usage configured.", .secondary)]))            }        }         sections.append(Self.actionsSection(for: provider, store: store))        sections.append(Self.metaSection())         return MenuDescriptor(sections: sections)    }     private static func usageSection(for provider: UsageProvider, store: UsageStore) -> Section {        let meta = store.metadata(for: provider)        var entries: [Entry] = []        let headlineText: String = {            if let ver = Self.versionNumber(for: provider, store: store) { return "\(meta.displayName) \(ver)" }            return meta.displayName        }()        entries.append(.text(headlineText, .headline))         if let snap = store.snapshot(for: provider) {            Self.appendRateWindow(entries: &entries, title: meta.sessionLabel, window: snap.primary)            Self.appendRateWindow(entries: &entries, title: meta.weeklyLabel, window: snap.secondary)            if meta.supportsOpus, let opus = snap.tertiary {                Self.appendRateWindow(entries: &entries, title: meta.opusLabel ?? "Sonnet", window: opus)            }        } else {            entries.append(.text("No usage yet", .secondary))            if let err = store.error(for: provider), !err.isEmpty {                let title = UsageFormatter.truncatedSingleLine(err, max: 80)                entries.append(.action(title, .copyError(err)))            }        }         if meta.supportsCredits, provider == .codex {            if let credits = store.credits {                entries.append(.text("Credits: \(UsageFormatter.creditsString(from: credits.remaining))", .primary))                if let latest = credits.events.first {                    entries.append(.text("Last spend: \(UsageFormatter.creditEventSummary(latest))", .secondary))                }            } else {                let hint = store.lastCreditsError ?? meta.creditsHint                entries.append(.text(hint, .secondary))            }        }        return Section(entries: entries)    }     /// Builds the account section.    /// - Claude snapshot is preferred when `preferClaude` is true.    /// - Otherwise Codex snapshot wins; falls back to stored auth info.    private static func accountSection(        claude: UsageSnapshot?,        codex: UsageSnapshot?,        account: AccountInfo,        preferClaude: Bool) -> Section    {        var entries: [Entry] = []        let emailFromClaude = claude?.accountEmail        let emailFromCodex = codex?.accountEmail        let planFromClaude = claude?.loginMethod        let planFromCodex = codex?.loginMethod         // Email: Claude wins when requested; otherwise Codex snapshot then auth.json fallback.        let emailText: String = {            if preferClaude, let e = emailFromClaude, !e.isEmpty { return e }            if let e = emailFromCodex, !e.isEmpty { return e }            if let codexEmail = account.email, !codexEmail.isEmpty { return codexEmail }            if let e = emailFromClaude, !e.isEmpty { return e }            return "Unknown"        }()        entries.append(.text("Account: \(emailText)", .secondary))         // Plan: show only Claude plan when in Claude mode; otherwise Codex plan.        if preferClaude {            if let plan = planFromClaude, !plan.isEmpty {                entries.append(.text("Plan: \(AccountFormatter.plan(plan))", .secondary))            }        } else if let plan = planFromCodex, !plan.isEmpty {            entries.append(.text("Plan: \(AccountFormatter.plan(plan))", .secondary))        } else if let plan = account.plan, !plan.isEmpty {            entries.append(.text("Plan: \(AccountFormatter.plan(plan))", .secondary))        }         return Section(entries: entries)    }     private static func actionsSection(for provider: UsageProvider?, store: UsageStore) -> Section {        var entries: [Entry] = [            .action("Refresh Now", .refresh),        ]         // Always show Switch Account…; pick the most relevant provider and never drop the row.        let loginAction = self.switchAccountTarget(for: provider, store: store)        entries.append(.action("Switch Account...", loginAction))         entries.append(contentsOf: [            .action("Usage Dashboard", .dashboard),            .action("Status Page", .statusPage),        ])         if let statusLine = self.statusLine(for: provider, store: store) {            entries.append(.text(statusLine, .secondary))        }         return Section(entries: entries)    }     private static func metaSection() -> Section {        Section(entries: [            .action("Settings...", .settings),            .action("About CodexBar", .about),            .action("Quit", .quit),        ])    }     private static func statusLine(for provider: UsageProvider?, store: UsageStore) -> String? {        let target = provider ?? store.enabledProviders().first        guard let target,              let status = store.status(for: target),              status.indicator != .none else { return nil }         let description = status.description?.trimmingCharacters(in: .whitespacesAndNewlines)        let label = description?.isEmpty == false ? description! : status.indicator.label        if let updated = status.updatedAt {            let freshness = UsageFormatter.updatedString(from: updated)            return "\(label) — \(freshness)"        }        return label    }     private static func switchAccountTarget(for provider: UsageProvider?, store: UsageStore) -> MenuAction {        if let provider { return .switchAccount(provider) }        if let enabled = store.enabledProviders().first { return .switchAccount(enabled) }        // Fallback to Codex then Claude so the menu item never disappears, even if probes temporarily mark both        // disabled.        return .switchAccount(store.isEnabled(.codex) ? .codex : .claude)    }     private static func appendRateWindow(entries: inout [Entry], title: String, window: RateWindow) {        let line = UsageFormatter            .usageLine(remaining: window.remainingPercent, used: window.usedPercent)        entries.append(.text("\(title): \(line)", .primary))        if let reset = window.resetDescription { entries.append(.text(Self.resetLine(reset), .secondary)) }    }     private static func resetLine(_ reset: String) -> String {        let trimmed = reset.trimmingCharacters(in: .whitespacesAndNewlines)        if trimmed.lowercased().hasPrefix("resets") { return trimmed }        return "Resets \(trimmed)"    }     private static func versionNumber(for provider: UsageProvider, store: UsageStore) -> String? {        guard let raw = store.version(for: provider) else { return nil }        let pattern = #"[0-9]+(?:\.[0-9]+)*"#        guard let regex = try? NSRegularExpression(pattern: pattern) else { return nil }        let range = NSRange(raw.startIndex..<raw.endIndex, in: raw)        guard let match = regex.firstMatch(in: raw, options: [], range: range),              let r = Range(match.range, in: raw) else { return nil }        return String(raw[r])    }} private enum AccountFormatter {    static func plan(_ text: String) -> String {        let cleaned = UsageFormatter.cleanPlanName(text)        return cleaned.isEmpty ? text : cleaned    }     static func email(_ text: String) -> String { text }} extension MenuDescriptor.MenuAction {    var systemImageName: String? {        switch self {        case .settings, .about, .quit:            nil        case .refresh: MenuDescriptor.MenuActionSystemImage.refresh.rawValue        case .dashboard: MenuDescriptor.MenuActionSystemImage.dashboard.rawValue        case .statusPage: MenuDescriptor.MenuActionSystemImage.statusPage.rawValue        case .switchAccount: MenuDescriptor.MenuActionSystemImage.switchAccount.rawValue        case .copyError: MenuDescriptor.MenuActionSystemImage.copyError.rawValue        }    }}