Files
PolyWeather/frontend/lib/weather-aura.ts
T

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1.7 KiB
TypeScript

import { CityDetail, CityListItem } from "@/lib/dashboard-types";
export interface WeatherAuraProfile {
primary: string;
secondary: string;
tertiary: string;
intensity: number;
drift: number;
particleOpacity: number;
}
const RISK_AURA: Record<string, Omit<WeatherAuraProfile, "intensity" | "drift">> =
{
high: {
primary: "#ff7c2a",
secondary: "#ffcf66",
tertiary: "#56c7ff",
particleOpacity: 0.42,
},
medium: {
primary: "#f6c453",
secondary: "#5eead4",
tertiary: "#7dd3fc",
particleOpacity: 0.34,
},
low: {
primary: "#38bdf8",
secondary: "#22d3ee",
tertiary: "#34d399",
particleOpacity: 0.28,
},
default: {
primary: "#6ee7ff",
secondary: "#7c8dff",
tertiary: "#60a5fa",
particleOpacity: 0.3,
},
};
function clamp(value: number, min: number, max: number) {
return Math.min(Math.max(value, min), max);
}
export function getWeatherAuraProfile(
detail: CityDetail | null,
cities: CityListItem[],
): WeatherAuraProfile {
const dominantRisk =
String(detail?.risk?.level || "").toLowerCase() ||
String(cities.find((city) => city.risk_level)?.risk_level || "").toLowerCase() ||
"default";
const base = RISK_AURA[dominantRisk] || RISK_AURA.default;
const currentTemp = Number(detail?.current?.temp);
const validTemp = Number.isFinite(currentTemp) ? currentTemp : 18;
const intensity = clamp(0.7 + validTemp / 40, 0.72, 1.45);
const drift = clamp(0.45 + validTemp / 30, 0.55, 1.35);
const particleOpacity = clamp(base.particleOpacity + (intensity - 1) * 0.08, 0.22, 0.48);
return {
...base,
intensity,
drift,
particleOpacity,
};
}