import Foundation import SwiftUI /// Summary returned by `GET /themes`. struct RemoteThemeSummary: Codable, Sendable, Identifiable { let name: String let filename: String let colorScheme: String var id: String { filename } } /// Full theme returned by `GET /themes/:name`. /// 42 color tokens, resolved to `#RRGGBB` hex. struct RemoteTheme: Codable, Sendable { let name: String let colorScheme: String? let colors: RemoteThemeColors } /// Theme color tokens — 49 total, matching ThemePalette 1:1. /// Base colors use their palette names directly (bg, fg, blue, etc.) /// rather than semantic aliases, so imported themes map without derivation. struct RemoteThemeColors: Codable, Sendable { // ── Base palette (13) ── let bg: String let bgDark: String let bgHighlight: String let fg: String let fgDim: String let comment: String let blue: String let cyan: String let green: String let orange: String let purple: String let red: String let yellow: String let thinkingText: String // ── User message (2) ── let userMessageBg: String let userMessageText: String // ── Tool state (5) ── let toolPendingBg: String let toolSuccessBg: String let toolErrorBg: String let toolTitle: String let toolOutput: String // ── Markdown (10) ── let mdHeading: String let mdLink: String let mdLinkUrl: String let mdCode: String let mdCodeBlock: String let mdCodeBlockBorder: String let mdQuote: String let mdQuoteBorder: String let mdHr: String let mdListBullet: String // ── Diffs (3) ── let toolDiffAdded: String let toolDiffRemoved: String let toolDiffContext: String // ── Syntax (9) ── let syntaxComment: String let syntaxKeyword: String let syntaxFunction: String let syntaxVariable: String let syntaxString: String let syntaxNumber: String let syntaxType: String let syntaxOperator: String let syntaxPunctuation: String // ── Thinking levels (6) ── let thinkingOff: String let thinkingMinimal: String let thinkingLow: String let thinkingMedium: String let thinkingHigh: String let thinkingXhigh: String } // MARK: - Conversion extension RemoteTheme { /// Convert to a live `ThemePalette`. /// /// Direct 1:1 mapping — JSON fields match palette fields exactly. func toPalette() -> ThemePalette? { let c = colors // Base 13 must all parse guard let bg = Color(hex: c.bg), let bgDark = Color(hex: c.bgDark), let bgHighlight = Color(hex: c.bgHighlight), let fg = Color(hex: c.fg), let fgDim = Color(hex: c.fgDim), let comment = Color(hex: c.comment), let blue = Color(hex: c.blue), let cyan = Color(hex: c.cyan), let green = Color(hex: c.green), let orange = Color(hex: c.orange), let purple = Color(hex: c.purple), let red = Color(hex: c.red), let yellow = Color(hex: c.yellow) else { return nil } return ThemePalette( bg: bg, bgDark: bgDark, bgHighlight: bgHighlight, fg: fg, fgDim: fgDim, comment: comment, blue: blue, cyan: cyan, green: green, orange: orange, purple: purple, red: red, yellow: yellow, thinkingText: Color(hex: c.thinkingText) ?? fgDim, userMessageBg: Color(hex: c.userMessageBg) ?? bgHighlight, userMessageText: Color(hex: c.userMessageText) ?? fg, toolPendingBg: Color(hex: c.toolPendingBg) ?? blue.opacity(0.12), toolSuccessBg: Color(hex: c.toolSuccessBg) ?? green.opacity(0.08), toolErrorBg: Color(hex: c.toolErrorBg) ?? red.opacity(0.10), toolTitle: Color(hex: c.toolTitle) ?? fg, toolOutput: Color(hex: c.toolOutput) ?? fgDim, mdHeading: Color(hex: c.mdHeading) ?? blue, mdLink: Color(hex: c.mdLink) ?? cyan, mdLinkUrl: Color(hex: c.mdLinkUrl) ?? comment, mdCode: Color(hex: c.mdCode) ?? cyan, mdCodeBlock: Color(hex: c.mdCodeBlock) ?? green, mdCodeBlockBorder: Color(hex: c.mdCodeBlockBorder) ?? comment, mdQuote: Color(hex: c.mdQuote) ?? fgDim, mdQuoteBorder: Color(hex: c.mdQuoteBorder) ?? comment, mdHr: Color(hex: c.mdHr) ?? comment, mdListBullet: Color(hex: c.mdListBullet) ?? orange, toolDiffAdded: Color(hex: c.toolDiffAdded) ?? green, toolDiffRemoved: Color(hex: c.toolDiffRemoved) ?? red, toolDiffContext: Color(hex: c.toolDiffContext) ?? comment, syntaxComment: Color(hex: c.syntaxComment) ?? comment, syntaxKeyword: Color(hex: c.syntaxKeyword) ?? purple, syntaxFunction: Color(hex: c.syntaxFunction) ?? blue, syntaxVariable: Color(hex: c.syntaxVariable) ?? fg, syntaxString: Color(hex: c.syntaxString) ?? green, syntaxNumber: Color(hex: c.syntaxNumber) ?? orange, syntaxType: Color(hex: c.syntaxType) ?? cyan, syntaxOperator: Color(hex: c.syntaxOperator) ?? fg, syntaxPunctuation: Color(hex: c.syntaxPunctuation) ?? fgDim, thinkingOff: Color(hex: c.thinkingOff) ?? comment, thinkingMinimal: Color(hex: c.thinkingMinimal) ?? fgDim, thinkingLow: Color(hex: c.thinkingLow) ?? blue, thinkingMedium: Color(hex: c.thinkingMedium) ?? cyan, thinkingHigh: Color(hex: c.thinkingHigh) ?? purple, thinkingXhigh: Color(hex: c.thinkingXhigh) ?? red ) } } // MARK: - Hex Parsing private extension Color { /// Parse `#RRGGBB` hex string. Returns nil for empty string or invalid format. init?(hex: String) { var str = hex.trimmingCharacters(in: .whitespacesAndNewlines) guard !str.isEmpty else { return nil } if str.hasPrefix("#") { str.removeFirst() } guard str.count == 6, let rgb = UInt32(str, radix: 16) else { return nil } self.init( red: Double((rgb >> 16) & 0xFF) / 255.0, green: Double((rgb >> 8) & 0xFF) / 255.0, blue: Double(rgb & 0xFF) / 255.0 ) } } // MARK: - Local Persistence /// Stores imported custom themes in UserDefaults so they survive app restarts. enum CustomThemeStore { private static let storageKey = "\(AppIdentifiers.subsystem).customThemes" /// Save a remote theme locally. static func save(_ theme: RemoteTheme) { var themes = loadAll() themes[theme.name] = theme if let data = try? JSONEncoder().encode(themes) { UserDefaults.standard.set(data, forKey: storageKey) } } /// Load all saved custom themes. static func loadAll() -> [String: RemoteTheme] { guard let data = UserDefaults.standard.data(forKey: storageKey), let themes = try? JSONDecoder().decode([String: RemoteTheme].self, from: data) else { return [:] } return themes } /// Load a specific theme by name. static func load(name: String) -> RemoteTheme? { loadAll()[name] } // periphery:ignore - API surface for future theme management UI /// Delete a custom theme. static func delete(name: String) { var themes = loadAll() themes.removeValue(forKey: name) if let data = try? JSONEncoder().encode(themes) { UserDefaults.standard.set(data, forKey: storageKey) } } /// Get all custom theme names. static func names() -> [String] { Array(loadAll().keys).sorted() } }