import CodexBarCoreimport Commanderimport Foundation extension CodexBarCLI {    private static let costSupportedProviders: Set<UsageProvider> = [.claude, .codex]     static func runCost(_ values: ParsedValues) async {        let output = CLIOutputPreferences.from(values: values)        let config = CodexBarCLI.loadConfig(output: output)        let selection = CodexBarCLI.decodeProvider(from: values, config: config)        let providers = Self.costProviders(from: selection)        let unsupported = selection.asList.filter { !Self.costSupportedProviders.contains($0) }        if !unsupported.isEmpty {            let names = unsupported                .map { ProviderDescriptorRegistry.descriptor(for: $0).metadata.displayName }                .sorted()                .joined(separator: ", ")            if !output.jsonOnly {                Self.writeStderr("Skipping providers without local cost usage: \(names)\n")            }        }        guard !providers.isEmpty else {            Self.exit(                code: .failure,                message: "Error: cost is only supported for Claude and Codex.",                output: output,                kind: .args)        }         let format = output.format        let forceRefresh = values.flags.contains("refresh")        let useColor = Self.shouldUseColor(noColor: values.flags.contains("noColor"), format: format)        let historyDays = Self.decodeCostHistoryDays(from: values)         let fetcher = CostUsageFetcher()        var sections: [String] = []        var payload: [CostPayload] = []        var exitCode: ExitCode = .success         for provider in providers {            do {                // Cost usage is local-only; it does not require web/CLI provider fetches.                let snapshot = try await fetcher.loadTokenSnapshot(                    provider: provider,                    forceRefresh: forceRefresh,                    historyDays: historyDays,                    refreshPricingInBackground: false)                switch format {                case .text:                    sections.append(Self.renderCostText(provider: provider, snapshot: snapshot, useColor: useColor))                case .json:                    payload.append(Self.makeCostPayload(provider: provider, snapshot: snapshot, error: nil))                }            } catch {                exitCode = Self.mapError(error)                if format == .json {                    payload.append(Self.makeCostPayload(provider: provider, snapshot: nil, error: error))                } else if !output.jsonOnly {                    Self.writeStderr("Error: \(error.localizedDescription)\n")                }            }        }         switch format {        case .text:            if !sections.isEmpty {                print(sections.joined(separator: "\n\n"))            }        case .json:            if !payload.isEmpty {                Self.printJSON(payload, pretty: output.pretty)            }        }         Self.exit(code: exitCode, output: output, kind: exitCode == .success ? .runtime : .provider)    }     static func renderCostText(        provider: UsageProvider,        snapshot: CostUsageTokenSnapshot,        useColor: Bool) -> String    {        let name = ProviderDescriptorRegistry.descriptor(for: provider).metadata.displayName        let header = Self.costHeaderLine("\(name) Cost (API-rate estimate)", useColor: useColor)         let todayCost = snapshot.sessionCostUSD            .map { UsageFormatter.currencyString($0, currencyCode: snapshot.currencyCode) } ?? "—"        let todayTokens = snapshot.sessionTokens.map { UsageFormatter.tokenCountString($0) }        let todayLine = todayTokens.map { "Today: \(todayCost) · \($0) tokens" } ?? "Today: \(todayCost)"         let monthCost = snapshot.last30DaysCostUSD            .map { UsageFormatter.currencyString($0, currencyCode: snapshot.currencyCode) } ?? "—"        let monthTokens = snapshot.last30DaysTokens.map { UsageFormatter.tokenCountString($0) }        let historyLabel = snapshot.historyLabel            ?? (snapshot.historyDays == 1 ? "Today" : "Last \(snapshot.historyDays) days")        let monthLine = monthTokens.map {            "\(historyLabel): \(monthCost) · \($0) tokens"        } ?? "\(historyLabel): \(monthCost)"         let hintLine = UsageFormatter.costEstimateHint(provider: provider)        return [header, todayLine, monthLine, hintLine].joined(separator: "\n")    }     private static func costHeaderLine(_ header: String, useColor: Bool) -> String {        guard useColor else { return header }        return "\u{001B}[1;36m\(header)\u{001B}[0m"    }     static func costProviders(from selection: ProviderSelection) -> [UsageProvider] {        selection.asList.filter { Self.costSupportedProviders.contains($0) }    }     static func makeCostPayload(        provider: UsageProvider,        snapshot: CostUsageTokenSnapshot?,        error: Error?) -> CostPayload    {        let daily = snapshot?.daily.map { entry in            CostDailyEntryPayload(                date: entry.date,                inputTokens: entry.inputTokens,                outputTokens: entry.outputTokens,                cacheReadTokens: entry.cacheReadTokens,                cacheCreationTokens: entry.cacheCreationTokens,                totalTokens: entry.totalTokens,                costUSD: entry.costUSD,                modelsUsed: entry.modelsUsed,                modelBreakdowns: entry.modelBreakdowns?.map { breakdown in                    CostModelBreakdownPayload(                        modelName: breakdown.modelName,                        costUSD: breakdown.costUSD,                        totalTokens: breakdown.totalTokens)                })        } ?? []         return CostPayload(            provider: provider.rawValue,            source: "local",            updatedAt: snapshot?.updatedAt ?? (error == nil ? nil : Date()),            currencyCode: snapshot?.currencyCode,            sessionTokens: snapshot?.sessionTokens,            sessionCostUSD: snapshot?.sessionCostUSD,            historyDays: snapshot?.historyDays,            last30DaysTokens: snapshot?.last30DaysTokens,            last30DaysCostUSD: snapshot?.last30DaysCostUSD,            daily: daily,            totals: snapshot.flatMap(Self.costTotals(from:)),            error: error.map { Self.makeErrorPayload($0) })    }     private static func costTotals(from snapshot: CostUsageTokenSnapshot) -> CostTotalsPayload? {        let entries = snapshot.daily        guard !entries.isEmpty else {            guard snapshot.last30DaysTokens != nil || snapshot.last30DaysCostUSD != nil else { return nil }            return CostTotalsPayload(                totalInputTokens: nil,                totalOutputTokens: nil,                cacheReadTokens: nil,                cacheCreationTokens: nil,                totalTokens: snapshot.last30DaysTokens,                totalCostUSD: snapshot.last30DaysCostUSD)        }         var totalInput = 0        var totalOutput = 0        var totalCacheRead = 0        var totalCacheCreation = 0        var totalTokens = 0        var totalCost = 0.0        var sawInput = false        var sawOutput = false        var sawCacheRead = false        var sawCacheCreation = false        var sawTokens = false        var sawCost = false         for entry in entries {            if let input = entry.inputTokens {                totalInput += input                sawInput = true            }            if let output = entry.outputTokens {                totalOutput += output                sawOutput = true            }            if let cacheRead = entry.cacheReadTokens {                totalCacheRead += cacheRead                sawCacheRead = true            }            if let cacheCreation = entry.cacheCreationTokens {                totalCacheCreation += cacheCreation                sawCacheCreation = true            }            if let tokens = entry.totalTokens {                totalTokens += tokens                sawTokens = true            }            if let cost = entry.costUSD {                totalCost += cost                sawCost = true            }        }         // Prefer totals derived from daily rows; fall back to snapshot aggregates when rows omit fields.        return CostTotalsPayload(            totalInputTokens: sawInput ? totalInput : nil,            totalOutputTokens: sawOutput ? totalOutput : nil,            cacheReadTokens: sawCacheRead ? totalCacheRead : nil,            cacheCreationTokens: sawCacheCreation ? totalCacheCreation : nil,            totalTokens: sawTokens ? totalTokens : snapshot.last30DaysTokens,            totalCostUSD: sawCost ? totalCost : snapshot.last30DaysCostUSD)    }     private static func decodeCostHistoryDays(from values: ParsedValues) -> Int {        guard let raw = values.options["days"]?.last,              let parsed = Int(raw)        else { return 30 }        return max(1, min(365, parsed))    }} struct CostOptions: CommanderParsable {    @Flag(names: [.short("v"), .long("verbose")], help: "Enable verbose logging")    var verbose: Bool = false     @Flag(name: .long("json-output"), help: "Emit machine-readable logs")    var jsonOutput: Bool = false     @Option(name: .long("log-level"), help: "Set log level (trace|verbose|debug|info|warning|error|critical)")    var logLevel: String?     @Option(        name: .long("provider"),        help: ProviderHelp.optionHelp)    var provider: ProviderSelection?     @Option(name: .long("format"), help: "Output format: text | json")    var format: OutputFormat?     @Flag(name: .long("json"), help: "")    var jsonShortcut: Bool = false     @Flag(name: .long("json-only"), help: "Emit JSON only (suppress non-JSON output)")    var jsonOnly: Bool = false     @Flag(name: .long("pretty"), help: "Pretty-print JSON output")    var pretty: Bool = false     @Flag(name: .long("no-color"), help: "Disable ANSI colors in text output")    var noColor: Bool = false     @Flag(name: .long("refresh"), help: "Force refresh by ignoring cached scans")    var refresh: Bool = false     @Option(name: .long("days"), help: "Cost history window in days (1...365)")    var days: Int?} struct CostPayload: Encodable {    let provider: String    let source: String    let updatedAt: Date?    let currencyCode: String?    let sessionTokens: Int?    let sessionCostUSD: Double?    let historyDays: Int?    let last30DaysTokens: Int?    let last30DaysCostUSD: Double?    let daily: [CostDailyEntryPayload]    let totals: CostTotalsPayload?    let error: ProviderErrorPayload?     init(        provider: String,        source: String,        updatedAt: Date?,        currencyCode: String? = nil,        sessionTokens: Int?,        sessionCostUSD: Double?,        historyDays: Int?,        last30DaysTokens: Int?,        last30DaysCostUSD: Double?,        daily: [CostDailyEntryPayload],        totals: CostTotalsPayload?,        error: ProviderErrorPayload?)    {        self.provider = provider        self.source = source        self.updatedAt = updatedAt        self.currencyCode = currencyCode        self.sessionTokens = sessionTokens        self.sessionCostUSD = sessionCostUSD        self.historyDays = historyDays        self.last30DaysTokens = last30DaysTokens        self.last30DaysCostUSD = last30DaysCostUSD        self.daily = daily        self.totals = totals        self.error = error    }} struct CostDailyEntryPayload: Encodable {    let date: String    let inputTokens: Int?    let outputTokens: Int?    let cacheReadTokens: Int?    let cacheCreationTokens: Int?    let totalTokens: Int?    let costUSD: Double?    let modelsUsed: [String]?    let modelBreakdowns: [CostModelBreakdownPayload]?     private enum CodingKeys: String, CodingKey {        case date        case inputTokens        case outputTokens        case cacheReadTokens        case cacheCreationTokens        case totalTokens        case costUSD = "totalCost"        case modelsUsed        case modelBreakdowns    }} struct CostModelBreakdownPayload: Encodable {    let modelName: String    let costUSD: Double?    let totalTokens: Int?     private enum CodingKeys: String, CodingKey {        case modelName        case costUSD = "cost"        case totalTokens    }} struct CostTotalsPayload: Encodable {    let totalInputTokens: Int?    let totalOutputTokens: Int?    let cacheReadTokens: Int?    let cacheCreationTokens: Int?    let totalTokens: Int?    let totalCostUSD: Double?     private enum CodingKeys: String, CodingKey {        case totalInputTokens = "inputTokens"        case totalOutputTokens = "outputTokens"        case cacheReadTokens        case cacheCreationTokens        case totalTokens        case totalCostUSD = "totalCost"    }} // Intentionally empty.