export type Locale = "zh-CN" | "en-US"; type MessageParams = Record; const DEFAULT_LOCALE: Locale = "zh-CN"; export const LOCALE_STORAGE_KEY = "polyweather.locale"; const MESSAGES: Record> = { "zh-CN": { "header.subtitle": "天气衍生品智能分析", "header.home": "主页", "header.homeAria": "返回主地图主页", "header.docs": "文档", "header.docsAria": "打开产品文档中心", "header.info": "技术说明", "header.infoAria": "查看系统技术说明", "header.account": "账户", "header.accountAria": "打开账户页", "header.signIn": "登录 / 注册", "header.signInAria": "打开登录注册页", "header.live": "实时", "header.refreshAria": "刷新所有数据", "header.langAria": "切换语言", "header.langZh": "中文", "header.langEn": "EN", "sidebar.title": "监控城市", "sidebar.currentTemp": "当前 {temp}", "sidebar.peakTempAt": "峰值 {temp} @ {time}", "sidebar.peakAt": "峰值 @ {time}", "sidebar.group.high": "近期强势", "sidebar.group.medium": "近期一般", "sidebar.group.low": "近期偏弱", "sidebar.group.other": "样本不足", "dashboard.loading": "正在同步站点观测与结算站点信息，请稍候...", "dashboard.opportunityTitle": "可交易机会", "dashboard.opportunitySubtitle": "基于当前时间、实况数据和模型预测，筛选出最具交易价值的市场", "dashboard.opportunityList": "机会列表", "dashboard.distributionView": "分布视图", "dashboard.calendarView": "日历视图", "detail.closeAria": "关闭城市详情面板", "detail.waitSelect": "等待选择城市", "detail.todayAnalysis": "今日日内分析", "detail.loading": "正在加载城市详情...", "detail.emptyHint": "从左侧城市列表选择一个城市查看详情。", "detail.sceneryAlt": "{city} 风景照", "detail.sceneryTitle": "城市风景与微气候", "detail.sceneryFallback": "当前没有匹配到风景图，可从下方城市档案查看站点与观测结构。", "detail.profile": "城市档案", "detail.todayMiniTrend": "今日日内走势（简版）", "detail.chartLegendEmpty": "暂无小时级实测或预测曲线。", "detail.currentTemp": "当前温度", "detail.todayHigh": "今日最高", "detail.targetTemp": "目标温度", "detail.gap": "距目标差距", "detail.peakWindow": "预计峰值", "detail.compositeScore": "综合得分", "detail.selectCity": "← 点击左侧行查看详情", "detail.localTime": "当前时间", "forecast.title": "多日预报", "forecast.empty": "暂无多日预报", "forecast.today": "今天", "guide.title": "📎 PolyWeather 系统技术说明", "guide.closeAria": "关闭技术说明", "guide.footer": "数据源以 METAR、香港天文台(HKO)、NOAA 指定站点、Turkish MGM、Open-Meteo、weather.gov 为主。", "future.todayTitle": "{city} · 今日日内分析", "future.dateTitle": "{city} · {date} 未来日期分析", "future.closeTodayAria": "关闭今日日内分析", "future.closeDateAria": "关闭未来日期分析", "future.currentObs": "当前实测", "future.currentWeather": "当前天气", "future.wuRef": "结算参考", "future.sunrise": "日出时间", "future.sunset": "日落时间", "future.sunshine": "日照时长", "future.todayForecastHigh": "今日预报高温", "future.targetForecast": "目标日预报", "future.deb": "DEB 预测", "future.mu": "动态分布中心", "future.score": "趋势评分", "future.todayTempTrend": "今日温度走势", "future.targetTempTrend": "目标日小时走势", "future.probability": "模型概率参考", "future.models": "多模型预报", "future.structureToday": "今日日内结构信号", "future.structureDate": "未来 6-48 小时趋势", "future.judgement": "判断", "future.confidence": "置信度", "future.maxPrecip": "最大降水概率", "future.ai": "结构化实况", "future.noAi": "暂无结构化实况，当前以模型数据为主。", "future.weatherGov": "weather.gov 文本", "future.risk": "结算与偏差风险", "future.climate": "当地气候主要受什么影响", "future.chartLegendEmpty": "暂无小时级实测数据", "confidence.high": "高", "confidence.medium": "中", "confidence.low": "低", "section.todayTempTrend": "今日温度走势", "section.chartEmpty": "暂无小时级数据", "section.probability": "校准模型概率", "section.mu": "动态分布中心 μ = {value}{unit}", "section.noProb": "暂无概率数据", "section.models": "多模型预报", "section.noModels": "暂无多模型预报", "section.ai": "结构化实况", "section.aiEmpty": "暂无结构化实况，当前以模型数据为主。", "section.risk": "数据偏差风险", "section.noRiskProfile": "暂无风险档案", "section.airport": "机场", "section.distance": "距离", "section.note": "注意", "section.currentConditions": "当前概况", "section.tradeRecommendation": "推荐交易", "filter.mode": "扫描模式", "filter.tradable": "可交易机会", "filter.early": "早期机会", "filter.touch": "触达博弈", "filter.trend": "趋势确认", "filter.conditions": "匹配条件", "filter.priceRange": "价格区间", "filter.edgeRange": "最小边际优势", "filter.onlyTradable": "只允许可交易", "filter.liquidity": "流动性级别", "filter.liquidityHigh": "最高流动性", "filter.timeRange": "时间周期", "filter.scanCta": "开始扫描", "account.title": "账户中心", "account.subtitle": "查看身份、权限与 Bot 绑定信息", "account.backDashboard": "返回看板", "account.refresh": "刷新", "account.signIn": "登录 / 注册", "account.signOut": "退出登录", "account.loading": "正在同步账户信息...", "account.error": "加载失败: {message}", "account.updatedAt": "最近同步: {time}", "account.guestName": "PolyWeather 用户", "account.authenticated": "已登录", "account.guest": "游客模式", "account.subscriptionActive": "订阅有效", "account.subscriptionRequired": "需要订阅", "account.subscriptionUnknown": "订阅状态未知", "account.card.membership": "会员与权限", "account.card.identity": "身份信息", "account.card.backend": "后端鉴权", "account.card.bot": "Bot 绑定", "account.field.email": "邮箱", "account.field.userId": "用户 ID", "account.field.provider": "登录方式", "account.field.lastSignIn": "最近登录", "account.field.mode": "鉴权模式", "account.field.backendStatus": "后端状态", "account.field.subscription": "订阅结果", "account.field.requirement": "订阅要求", "account.field.bindCommand": "绑定命令", "account.field.bindHint": "将下面命令发送到 Telegram Bot，可把网页账户与机器人权限绑定。", "account.mode.supabaseRequired": "Supabase 强制登录", "account.mode.supabaseOptional": "Supabase 可选登录", "account.mode.supabase": "Supabase 会话鉴权", "account.mode.legacy": "Legacy Token 鉴权", "account.mode.disabled": "未启用权限校验", "account.mode.unknown": "未知模式", "account.backend.ok": "通过", "account.backend.fail": "失败", "account.subscription.active": "有效", "account.subscription.inactive": "无效/已过期", "account.subscription.notRequired": "当前未强制订阅", "account.subscription.unknown": "未知", "account.copy": "复制", "account.copied": "已复制", "account.na": "--", "common.na": "--", }, "en-US": { "header.subtitle": "Weather Derivatives Intelligence", "header.home": "Home", "header.homeAria": "Return to the main map homepage", "header.docs": "Docs", "header.docsAria": "Open product documentation", "header.info": "Tech Notes", "header.infoAria": "Open system technical notes", "header.account": "Account", "header.accountAria": "Open account center", "header.signIn": "Sign In / Register", "header.signInAria": "Open sign-in page", "header.live": "LIVE", "header.refreshAria": "Refresh all data", "header.langAria": "Switch language", "header.langZh": "中文", "header.langEn": "EN", "sidebar.title": "Monitored Cities", "sidebar.currentTemp": "Current {temp}", "sidebar.peakTempAt": "Peak {temp} @ {time}", "sidebar.peakAt": "Peak @ {time}", "sidebar.group.high": "Recent Strong", "sidebar.group.medium": "Recent Mixed", "sidebar.group.low": "Recent Weak", "sidebar.group.other": "Low Sample", "dashboard.loading": "Synchronizing station observations and settlement station data...", "dashboard.opportunityTitle": "Tradable Opportunities", "dashboard.opportunitySubtitle": "Identify high-value markets based on real-time data, model predictions, and current time window.", "dashboard.opportunityList": "Opportunity List", "dashboard.distributionView": "Distribution", "dashboard.calendarView": "Calendar", "detail.closeAria": "Close city detail panel", "detail.waitSelect": "Waiting for city selection", "detail.todayAnalysis": "Today's Intraday", "detail.loading": "Loading city details...", "detail.emptyHint": "Select a city from the left list to view details.", "detail.sceneryAlt": "{city} scenery", "detail.sceneryTitle": "City Scenery & Microclimate", "detail.sceneryFallback": "No scenery image matched. You can still review station and observation profile below.", "detail.profile": "City Profile", "detail.todayMiniTrend": "Today's Intraday Trend (Compact)", "detail.chartLegendEmpty": "No hourly observations or forecast curve available.", "detail.currentTemp": "Current Temp", "detail.todayHigh": "Today's High", "detail.targetTemp": "Target Temp", "detail.gap": "Gap to Target", "detail.peakWindow": "Peak Window", "detail.compositeScore": "Composite Score", "detail.selectCity": "← Select a city from the list", "detail.localTime": "Local Time", "forecast.title": "Multi-day Forecast", "forecast.empty": "No multi-day forecast available", "forecast.today": "Today", "guide.title": "📎 PolyWeather Technical Overview", "guide.closeAria": "Close technical overview", "guide.footer": "Primary data sources are METAR, Hong Kong Observatory (HKO), designated NOAA stations, Turkish MGM, Open-Meteo, and weather.gov.", "future.todayTitle": "{city} · Intraday Analysis", "future.dateTitle": "{city} · {date} Future-date Analysis", "future.closeTodayAria": "Close intraday analysis", "future.closeDateAria": "Close future-date analysis", "future.currentObs": "Current Observation", "future.currentWeather": "Current Weather", "future.wuRef": "Settlement Ref", "future.sunrise": "Sunrise", "future.sunset": "Sunset", "future.sunshine": "Sunshine Duration", "future.todayForecastHigh": "Today's Forecast High", "future.targetForecast": "Target-day Forecast", "future.deb": "DEB Forecast", "future.mu": "Dynamic Distribution Center", "future.score": "Trend Score", "future.todayTempTrend": "Today's Temperature Trend", "future.targetTempTrend": "Target-day Hourly Trend", "future.probability": "Model Probability Reference", "future.models": "Multi-model Forecast", "future.structureToday": "Intraday Structural Signal", "future.structureDate": "6-48h Structural Trend", "future.judgement": "Judgement", "future.confidence": "Confidence", "future.maxPrecip": "Max Precip Probability", "future.ai": "Structured Observations", "future.noAi": "No structured observations are available. Model data is used as baseline.", "future.weatherGov": "weather.gov text", "future.risk": "Settlement & Deviation Risk", "future.climate": "What Mainly Drives Local Climate", "future.chartLegendEmpty": "No hourly observations available", "confidence.high": "High", "confidence.medium": "Medium", "confidence.low": "Low", "section.todayTempTrend": "Today's Temperature Trend", "section.chartEmpty": "No hourly data available", "section.probability": "Calibrated Model Probability", "section.mu": "Dynamic center μ = {value}{unit}", "section.noProb": "No probability data available", "section.models": "Multi-model Forecast", "section.noModels": "No multi-model forecast available", "section.ai": "Structured Observations", "section.aiEmpty": "No structured observations are available. Model data is currently used.", "section.risk": "Data Deviation Risk", "section.noRiskProfile": "No risk profile available", "section.airport": "Airport", "section.distance": "Distance", "section.note": "Note", "section.currentConditions": "Current Conditions", "section.tradeRecommendation": "Recommendation", "filter.mode": "Scan Mode", "filter.tradable": "Tradable", "filter.early": "Early Stage", "filter.touch": "Touch Play", "filter.trend": "Trend Confirm", "filter.conditions": "Conditions", "filter.priceRange": "Price Range", "filter.edgeRange": "Min Edge", "filter.onlyTradable": "Only Tradable", "filter.liquidity": "Liquidity", "filter.liquidityHigh": "High Liquidity", "filter.timeRange": "Time Period", "filter.scanCta": "Start Scan", "account.title": "Account Center", "account.subtitle": "Review identity, access status, and bot binding info", "account.backDashboard": "Back to Dashboard", "account.refresh": "Refresh", "account.signIn": "Sign in / Sign up", "account.signOut": "Sign out", "account.loading": "Syncing account snapshot...", "account.error": "Failed to load: {message}", "account.updatedAt": "Last synced: {time}", "account.guestName": "PolyWeather User", "account.authenticated": "Authenticated", "account.guest": "Guest Mode", "account.subscriptionActive": "Subscription active", "account.subscriptionRequired": "Subscription required", "account.subscriptionUnknown": "Subscription unknown", "account.card.membership": "Membership & Access", "account.card.identity": "Identity", "account.card.backend": "Backend Auth", "account.card.bot": "Bot Binding", "account.field.email": "Email", "account.field.userId": "User ID", "account.field.provider": "Sign-in method", "account.field.lastSignIn": "Last sign-in", "account.field.mode": "Entitlement mode", "account.field.backendStatus": "Backend status", "account.field.subscription": "Subscription result", "account.field.requirement": "Subscription policy", "account.field.bindCommand": "Binding command", "account.field.bindHint": "Send this command to the Telegram bot to bind web account identity.", "account.mode.supabaseRequired": "Supabase required auth", "account.mode.supabaseOptional": "Supabase optional auth", "account.mode.supabase": "Supabase session auth", "account.mode.legacy": "Legacy token auth", "account.mode.disabled": "Auth guard disabled", "account.mode.unknown": "Unknown mode", "account.backend.ok": "Passed", "account.backend.fail": "Failed", "account.subscription.active": "Active", "account.subscription.inactive": "Inactive/Expired", "account.subscription.notRequired": "Not required now", "account.subscription.unknown": "Unknown", "account.copy": "Copy", "account.copied": "Copied", "account.na": "--", "common.na": "--", }, }; export function normalizeLocale(value?: string | null): Locale { if (!value) return DEFAULT_LOCALE; const normalized = value.toLowerCase(); if (normalized.startsWith("en")) return "en-US"; return "zh-CN"; } export function getInitialLocaleFromNavigator(): Locale { if (typeof window === "undefined") return DEFAULT_LOCALE; return normalizeLocale(window.navigator?.language); } export function formatMessage( locale: Locale, key: string, params?: MessageParams, ): string { const template = MESSAGES[locale]?.[key] || MESSAGES[DEFAULT_LOCALE][key] || key; if (!params) return template; return template.replace(/\{(\w+)\}/g, (_, token) => { const value = params[token]; return value == null ? "" : String(value); }); }