feat: add global weather support

app/api/locations/reverse/route.ts

@@ -1,4 +1,5 @@
 import { NextResponse } from "next/server";
+import { getWeatherRegionForCountryCode } from "@/types/weather-region";
 
 const REVERSE_GEOCODING_URL = "https://nominatim.openstreetmap.org/reverse";
 const USER_AGENT = "wtr./1.0 (https://git.zvcloud.net/zv/wtr)";
@@ -13,6 +14,8 @@ interface RawReverseLocation {
     municipality?: string;
     county?: string;
     state?: string;
+    country?: string;
+    country_code?: string;
   };
 }
 
@@ -54,10 +57,17 @@ export async function GET(request: Request) {
       ?? data.name
       ?? data.display_name?.split(",")[0]?.trim();
     if (!name) return NextResponse.json({ error: "Place name is unavailable." }, { status: 404 });
+    const countryCode = data.address?.country_code?.toUpperCase() ?? null;
     return NextResponse.json({
       name,
       province: data.address?.state ?? null,
       district: data.address?.county ?? null,
+      country: data.address?.country ?? null,
+      countryCode,
+      admin1: data.address?.state ?? null,
+      admin2: data.address?.county ?? null,
+      timezone: null,
+      region: getWeatherRegionForCountryCode(countryCode),
     }, {
       headers: { "Cache-Control": "public, s-maxage=86400, stale-while-revalidate=604800" },
     });