feat: add global weather support

types/weather-region.ts

@@ -0,0 +1,53 @@
+export type WeatherRegion = "PL" | "GLOBAL";
+
+export type WeatherSource = "IMGW" | "ALARO" | "OPEN_METEO";
+
+export type WeatherSourceType = "observation" | "model" | "hybrid" | "official_warning";
+
+export interface WeatherCapabilities {
+  current: boolean;
+  forecastHourly: boolean;
+  forecastDaily: boolean;
+  officialWarnings: boolean;
+  countyFiltering: boolean;
+  brief: boolean;
+  pushOfficialAlerts: boolean;
+}
+
+export interface WeatherSourceMetadata {
+  source: WeatherSource;
+  sourceLabel: string;
+  sourceType: WeatherSourceType;
+  isOfficial: boolean;
+  fetchedAt?: string;
+  generatedAt?: string;
+}
+
+export const WEATHER_CAPABILITIES: Record<WeatherRegion, WeatherCapabilities> = {
+  PL: {
+    current: true,
+    forecastHourly: true,
+    forecastDaily: true,
+    officialWarnings: true,
+    countyFiltering: true,
+    brief: true,
+    pushOfficialAlerts: true,
+  },
+  GLOBAL: {
+    current: true,
+    forecastHourly: true,
+    forecastDaily: true,
+    officialWarnings: false,
+    countyFiltering: false,
+    brief: true,
+    pushOfficialAlerts: false,
+  },
+};
+
+export function getWeatherRegionForCountryCode(countryCode?: string | null): WeatherRegion {
+  return countryCode?.trim().toUpperCase() === "PL" ? "PL" : "GLOBAL";
+}
+
+export function getWeatherCapabilities(region?: WeatherRegion | null) {
+  return WEATHER_CAPABILITIES[region ?? "PL"];
+}