275 lines
11 KiB
TypeScript
275 lines
11 KiB
TypeScript
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import type { CityDetail, ScanOpportunityRow } from "@/lib/dashboard-types";
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import { formatTemperatureValue } from "@/lib/temperature-utils";
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export function decodeRawMetarCloud(rawMetar?: string | null, locale = "zh-CN") {
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const raw = String(rawMetar || "").toUpperCase();
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const matches = Array.from(raw.matchAll(/\b(FEW|SCT|BKN|OVC)(\d{3})?\b/g));
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if (!matches.length) return "";
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const coverText: Record<string, { zh: string; en: string }> = {
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FEW: { zh: "少云", en: "few" },
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SCT: { zh: "散云", en: "scattered" },
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BKN: { zh: "多云", en: "broken" },
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OVC: { zh: "阴天", en: "overcast" },
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};
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return matches
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.slice(0, 3)
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.map((match) => {
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const cover = coverText[match[1]] || { zh: match[1], en: match[1] };
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const base = match[2] ? `${Number(match[2]) * 100}ft` : "";
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return locale === "en-US"
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? [cover.en, base].filter(Boolean).join(" ")
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: [cover.zh, base].filter(Boolean).join(" ");
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})
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.join(locale === "en-US" ? ", " : "、");
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}
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export function decodeRawMetarVisibility(rawMetar?: string | null) {
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const raw = String(rawMetar || "").toUpperCase();
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if (/\b9999\b/.test(raw)) return "10km+";
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const meterMatch = raw.match(/\b(\d{4})\b/);
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if (meterMatch) return `${Number(meterMatch[1]) / 1000}km`;
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return "";
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}
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export function decodeMetarWeatherToken(token?: string | null, locale = "zh-CN") {
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const raw = String(token || "").trim().toUpperCase();
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if (!raw) return "";
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const isEn = locale === "en-US";
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const intensity = raw.startsWith("-")
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? isEn
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? "light "
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: "轻"
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: raw.startsWith("+")
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? isEn
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? "heavy "
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: "强"
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: "";
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const cleaned = raw.replace(/^[+-]/, "");
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const descriptors: Record<string, { zh: string; en: string }> = {
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VC: { zh: "附近", en: "nearby " },
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SH: { zh: "阵性", en: "showery " },
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TS: { zh: "雷暴性", en: "thunderstorm " },
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FZ: { zh: "冻", en: "freezing " },
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BL: { zh: "吹扬", en: "blowing " },
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DR: { zh: "低吹", en: "drifting " },
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MI: { zh: "浅层", en: "shallow " },
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BC: { zh: "碎片状", en: "patches of " },
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PR: { zh: "部分", en: "partial " },
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};
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const phenomena: Record<string, { zh: string; en: string }> = {
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DZ: { zh: "毛毛雨", en: "drizzle" },
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RA: { zh: "雨", en: "rain" },
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SN: { zh: "雪", en: "snow" },
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SG: { zh: "米雪", en: "snow grains" },
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IC: { zh: "冰晶", en: "ice crystals" },
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PL: { zh: "冰粒", en: "ice pellets" },
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GR: { zh: "冰雹", en: "hail" },
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GS: { zh: "小冰雹", en: "small hail" },
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UP: { zh: "未知降水", en: "unknown precipitation" },
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BR: { zh: "薄雾", en: "mist" },
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FG: { zh: "雾", en: "fog" },
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FU: { zh: "烟", en: "smoke" },
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VA: { zh: "火山灰", en: "volcanic ash" },
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DU: { zh: "浮尘", en: "dust" },
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SA: { zh: "沙", en: "sand" },
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HZ: { zh: "霾", en: "haze" },
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PY: { zh: "喷雾", en: "spray" },
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PO: { zh: "尘卷风", en: "dust whirls" },
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SQ: { zh: "飑", en: "squall" },
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FC: { zh: "漏斗云", en: "funnel cloud" },
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SS: { zh: "沙暴", en: "sandstorm" },
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DS: { zh: "尘暴", en: "duststorm" },
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};
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const descriptorText = Object.entries(descriptors)
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.filter(([code]) => cleaned.includes(code))
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.map(([, text]) => (isEn ? text.en : text.zh))
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.join("");
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const phenomenonText = Object.entries(phenomena)
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.filter(([code]) => cleaned.includes(code))
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.map(([, text]) => (isEn ? text.en : text.zh))
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.join(isEn ? " / " : "、");
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if (!phenomenonText) return "";
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return `${intensity}${descriptorText}${phenomenonText}`;
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}
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export function decodeRawMetarWeather(rawMetar?: string | null, locale = "zh-CN") {
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const raw = String(rawMetar || "").toUpperCase();
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const matches = Array.from(
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raw.matchAll(/\b([+-]?(?:VC)?(?:MI|PR|BC|DR|BL|SH|TS|FZ)?(?:DZ|RA|SN|SG|IC|PL|GR|GS|UP|BR|FG|FU|VA|DU|SA|HZ|PY|PO|SQ|FC|SS|DS))\b/g),
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);
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return Array.from(
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new Set(
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matches
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.map((match) => decodeMetarWeatherToken(match[1], locale))
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.filter(Boolean),
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),
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).join(locale === "en-US" ? ", " : "、");
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}
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export function getAirportWeatherInputs(row: ScanOpportunityRow, detail: CityDetail | null) {
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const context = row.metar_context || {};
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const airport: Partial<NonNullable<CityDetail["airport_current"]>> =
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detail?.airport_current || {};
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const rawMetar = String(context.airport_raw_metar || airport.raw_metar || "").trim();
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return {
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cloud: String(context.airport_cloud_desc || airport.cloud_desc || "").trim(),
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rawMetar,
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visibility:
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context.airport_visibility_mi != null && Number.isFinite(Number(context.airport_visibility_mi))
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? Number(context.airport_visibility_mi)
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: airport.visibility_mi != null && Number.isFinite(Number(airport.visibility_mi))
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? Number(airport.visibility_mi)
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: null,
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weather: String(context.airport_wx_desc || airport.wx_desc || "").trim(),
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windSpeed:
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context.airport_wind_speed_kt != null && Number.isFinite(Number(context.airport_wind_speed_kt))
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? Number(context.airport_wind_speed_kt)
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: airport.wind_speed_kt != null && Number.isFinite(Number(airport.wind_speed_kt))
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? Number(airport.wind_speed_kt)
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: null,
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};
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}
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export function formatAirportWeatherRead(
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row: ScanOpportunityRow,
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detail: CityDetail | null,
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locale: string,
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) {
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const isEn = locale === "en-US";
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const inputs = getAirportWeatherInputs(row, detail);
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const decodedCloud = inputs.cloud || decodeRawMetarCloud(inputs.rawMetar, locale);
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const decodedWeather =
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decodeMetarWeatherToken(inputs.weather, locale) ||
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inputs.weather ||
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decodeRawMetarWeather(inputs.rawMetar, locale);
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const visibilityText =
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inputs.visibility != null ? `${inputs.visibility.toFixed(1)}mi` : decodeRawMetarVisibility(inputs.rawMetar);
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const cloudRaw = `${inputs.cloud} ${inputs.rawMetar}`.toUpperCase();
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const weatherRaw = `${inputs.weather} ${inputs.rawMetar}`.toUpperCase();
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const suppressors: string[] = [];
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const supporters: string[] = [];
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if (/(RA|DZ|SN|TS|SH|FG|BR|HZ|OVC|BKN)/.test(weatherRaw) || /(OVC|BKN)/.test(cloudRaw)) {
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suppressors.push(
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isEn
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? "cloud, precipitation or restricted visibility can suppress solar heating"
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: "云雨、薄雾或低能见度会压制太阳辐射升温",
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);
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}
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if (inputs.visibility != null && inputs.visibility < 6) {
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suppressors.push(
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isEn
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? `visibility is only ${visibilityText}, so the airport path may warm more slowly`
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: `能见度仅 ${visibilityText}，机场路径可能升温偏慢`,
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);
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}
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if (/(FEW|SCT)/.test(cloudRaw) && !/(RA|DZ|SN|TS|FG|BR|HZ|OVC|BKN)/.test(weatherRaw)) {
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supporters.push(
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isEn
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? "few or scattered clouds do not block the heating path materially"
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: "少云或散云对日间升温压制不明显",
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);
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}
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if (inputs.windSpeed != null && inputs.windSpeed >= 15) {
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suppressors.push(
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isEn
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? "stronger wind mixing can change the airport temperature path"
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: "风速偏大，边界层混合可能改写机场温度路径",
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);
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} else if (inputs.windSpeed != null && inputs.windSpeed <= 5 && !suppressors.length) {
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supporters.push(
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isEn
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? "light wind leaves the temperature path mainly driven by local sunshine"
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: "风速较弱，温度路径更取决于本地日照",
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);
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}
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const descriptors = [
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decodedWeather ? (isEn ? `weather ${decodedWeather}` : `天气 ${decodedWeather}`) : null,
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decodedCloud ? (isEn ? `cloud ${decodedCloud}` : `云况 ${decodedCloud}`) : null,
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visibilityText ? (isEn ? `visibility ${visibilityText}` : `能见度 ${visibilityText}`) : null,
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].filter(Boolean);
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const read = suppressors[0] || supporters[0];
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if (!descriptors.length && !read) return null;
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const prefix = isEn ? "Airport weather read" : "机场气象解读";
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const evidence = descriptors.length ? `${descriptors.join(isEn ? ", " : "，")}；` : "";
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return `${prefix}：${evidence}${read || (isEn ? "no clear weather suppression signal yet" : "暂未看到明确天气压温信号")}。`;
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}
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export function formatAirportReportRead(
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row: ScanOpportunityRow,
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detail: CityDetail | null,
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locale: string,
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tempSymbol?: string | null,
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) {
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const isEn = locale === "en-US";
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const context = row.metar_context || {};
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const airport: Partial<NonNullable<CityDetail["airport_current"]>> =
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detail?.airport_current || {};
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const station =
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context.station ||
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detail?.risk?.icao ||
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airport.station_code ||
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null;
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const obsTime =
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context.airport_obs_time ||
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context.last_time ||
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airport.obs_time ||
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row.metar_status?.last_observation_time ||
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null;
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const temp =
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context.airport_current_temp != null && Number.isFinite(Number(context.airport_current_temp))
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? Number(context.airport_current_temp)
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: airport.temp != null && Number.isFinite(Number(airport.temp))
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? Number(airport.temp)
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: null;
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const windSpeed =
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context.airport_wind_speed_kt != null && Number.isFinite(Number(context.airport_wind_speed_kt))
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? Number(context.airport_wind_speed_kt)
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: airport.wind_speed_kt != null && Number.isFinite(Number(airport.wind_speed_kt))
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? Number(airport.wind_speed_kt)
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: null;
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const windDir =
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context.airport_wind_dir != null && Number.isFinite(Number(context.airport_wind_dir))
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? Number(context.airport_wind_dir)
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: airport.wind_dir != null && Number.isFinite(Number(airport.wind_dir))
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? Number(airport.wind_dir)
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: null;
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const cloud = String(context.airport_cloud_desc || airport.cloud_desc || "").trim();
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const weather = String(context.airport_wx_desc || airport.wx_desc || "").trim();
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const rawMetar = String(context.airport_raw_metar || airport.raw_metar || "").trim();
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const decodedCloud = cloud || decodeRawMetarCloud(rawMetar, locale);
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const decodedWeather =
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decodeMetarWeatherToken(weather, locale) ||
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weather ||
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decodeRawMetarWeather(rawMetar, locale);
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const visibility =
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context.airport_visibility_mi != null && Number.isFinite(Number(context.airport_visibility_mi))
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? Number(context.airport_visibility_mi)
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: airport.visibility_mi != null && Number.isFinite(Number(airport.visibility_mi))
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? Number(airport.visibility_mi)
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: null;
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const decodedVisibility = visibility != null ? `${visibility.toFixed(1)}mi` : decodeRawMetarVisibility(rawMetar);
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const parts: string[] = [];
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if (temp != null) parts.push(formatTemperatureValue(temp, tempSymbol, { digits: 1 }));
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if (windSpeed != null) {
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parts.push(
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windDir != null
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? isEn
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? `wind ${Math.round(windDir)}°/${Math.round(windSpeed)}kt`
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: `风 ${Math.round(windDir)}°/${Math.round(windSpeed)}kt`
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: isEn
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? `wind ${Math.round(windSpeed)}kt`
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: `风 ${Math.round(windSpeed)}kt`,
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);
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}
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if (decodedCloud) parts.push(isEn ? `cloud ${decodedCloud}` : `云况 ${decodedCloud}`);
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if (decodedWeather) parts.push(isEn ? `weather ${decodedWeather}` : `天气 ${decodedWeather}`);
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if (decodedVisibility) parts.push(isEn ? `visibility ${decodedVisibility}` : `能见度 ${decodedVisibility}`);
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if (!parts.length) return null;
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const prefix = isEn ? "Latest airport METAR read" : "最新机场报文解读";
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const head = [station, obsTime].filter(Boolean).join(" ");
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return `${prefix}${head ? ` ${head}` : ""}：${parts.join("，")}。`;
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}
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