feat: add Open-Meteo weather forecast

components/dashboard/dashboard-page.tsx

@@ -11,6 +11,8 @@ import { PageLoadingSkeleton } from "@/components/states/loading-skeleton";
 import { ErrorState } from "@/components/states/error-state";
 import { useI18n } from "@/lib/i18n";
 import { useMeteoStationPositions } from "@/hooks/use-meteo-stations";
+import { ForecastPanel } from "@/components/forecast/forecast-panel";
+import { locateSynopStations } from "@/lib/location-utils";
 
 export function DashboardPage() {
   const { t } = useI18n();
@@ -24,11 +26,17 @@ export function DashboardPage() {
     ?? stations.find((station) => station.name === DEFAULT_STATION_NAME)
     ?? stations[0];
   const activeLocation = selectedLocation?.stationId === selectedStation.id ? selectedLocation : null;
+  const stationPosition = locateSynopStations(stations, positions).find((station) => station.id === selectedStation.id);
+  const hasActiveLocationCoordinates = Number.isFinite(activeLocation?.latitude) && Number.isFinite(activeLocation?.longitude);
+  const forecastLatitude = hasActiveLocationCoordinates ? activeLocation?.latitude : stationPosition?.latitude;
+  const forecastLongitude = hasActiveLocationCoordinates ? activeLocation?.longitude : stationPosition?.longitude;
+  const forecastLocationName = hasActiveLocationCoordinates ? activeLocation?.name ?? selectedStation.name : selectedStation.name;
 
   return (
     <div className="space-y-10">
       <LocationSearch stations={stations} positions={positions} />
       <WeatherHero station={selectedStation} locationName={activeLocation?.name} distanceKm={activeLocation?.distanceKm} />
+      <ForecastPanel latitude={forecastLatitude} longitude={forecastLongitude} locationName={forecastLocationName} />
       <FavoritesSection stations={stations} />
       <FeaturedStationsSection stations={stations} />
     </div>

components/forecast/forecast-icon.tsx

@@ -0,0 +1,13 @@
+import { Cloud, CloudDrizzle, CloudFog, CloudLightning, CloudRain, CloudSnow, CloudSun, Sun } from "lucide-react";
+
+export function ForecastIcon({ code, className = "" }: { code: number | null; className?: string }) {
+  const Icon = code === 0 ? Sun
+    : code === 1 || code === 2 ? CloudSun
+      : code === 45 || code === 48 ? CloudFog
+        : code !== null && code >= 51 && code <= 57 ? CloudDrizzle
+          : code !== null && ((code >= 61 && code <= 67) || (code >= 80 && code <= 82)) ? CloudRain
+            : code !== null && ((code >= 71 && code <= 77) || code === 85 || code === 86) ? CloudSnow
+              : code !== null && code >= 95 ? CloudLightning
+                : Cloud;
+  return <Icon className={className} strokeWidth={1.45} />;
+}

components/forecast/forecast-panel.tsx

@@ -0,0 +1,104 @@
+"use client";
+
+import { motion } from "framer-motion";
+import { CalendarDays, Clock3, CloudSun, Droplets, ExternalLink, RefreshCw } from "lucide-react";
+import { ForecastIcon } from "@/components/forecast/forecast-icon";
+import { LoadingSkeleton } from "@/components/states/loading-skeleton";
+import { EmptyState } from "@/components/states/empty-state";
+import { Button } from "@/components/ui/button";
+import { Card } from "@/components/ui/card";
+import { useForecast } from "@/hooks/use-forecast";
+import { useI18n } from "@/lib/i18n";
+import { formatForecastRainfall, formatForecastTemperature, getForecastCondition } from "@/lib/forecast-utils";
+import type { DailyForecast } from "@/types/forecast";
+
+function formatHour(value: string) {
+  return value.slice(11, 16);
+}
+
+function formatDay(value: string, locale: string, todayLabel: string, index: number) {
+  if (index === 0) return todayLabel;
+  return new Intl.DateTimeFormat(locale, { weekday: "short", timeZone: "UTC" }).format(new Date(`${value}T12:00:00Z`));
+}
+
+function DailyForecastRow({ day, index }: { day: DailyForecast; index: number }) {
+  const { language, locale, t } = useI18n();
+  return (
+    <motion.li
+      initial={{ opacity: 0, y: 8 }}
+      animate={{ opacity: 1, y: 0 }}
+      transition={{ delay: Math.min(index * 0.04, 0.24), duration: 0.28 }}
+      className="grid grid-cols-[4.5rem_1fr_auto] items-center gap-2 border-t border-white/30 py-3 first:border-t-0 dark:border-white/10 sm:grid-cols-[5rem_1fr_5rem_auto]"
+    >
+      <p className="text-sm font-semibold capitalize">{formatDay(day.date, locale, t("forecast.today"), index)}</p>
+      <div className="flex min-w-0 items-center gap-2">
+        <ForecastIcon code={day.weatherCode} className="size-6 shrink-0 text-sky-600 dark:text-sky-300" />
+        <span className="truncate text-xs text-slate-600 dark:text-slate-300">{getForecastCondition(day.weatherCode, language)} · {formatForecastRainfall(day.precipitation, language)}</span>
+      </div>
+      <span className="hidden items-center gap-1 text-xs text-sky-700 dark:text-sky-300 sm:flex"><Droplets className="size-3" />{day.precipitationProbability === null ? "—" : `${day.precipitationProbability}%`}</span>
+      <p className="whitespace-nowrap text-sm"><strong>{formatForecastTemperature(day.temperatureMax, language)}</strong><span className="ml-2 text-slate-500 dark:text-slate-400">{formatForecastTemperature(day.temperatureMin, language)}</span></p>
+    </motion.li>
+  );
+}
+
+export function ForecastPanel({ latitude, longitude, locationName }: { latitude?: number; longitude?: number; locationName: string }) {
+  const { language, t } = useI18n();
+  const { data: forecast, isPending, isError, refetch } = useForecast(latitude, longitude);
+
+  return (
+    <section className="space-y-3">
+      <div>
+        <p className="flex items-center gap-2 text-xs font-semibold uppercase tracking-[0.16em] text-sky-700 dark:text-sky-300"><CloudSun className="size-4" />{t("forecast.label")}</p>
+        <h2 className="mt-2 text-xl font-semibold tracking-tight">{t("forecast.title")}</h2>
+        <p className="mt-1 max-w-3xl text-sm leading-6 text-slate-600 dark:text-slate-300">{t("forecast.description", { location: locationName })}</p>
+      </div>
+
+      {!Number.isFinite(latitude) || !Number.isFinite(longitude) || isPending ? (
+        <div className="grid gap-3 lg:grid-cols-[1.35fr_1fr]" aria-busy="true">
+          <LoadingSkeleton className="h-60" />
+          <LoadingSkeleton className="h-60" />
+        </div>
+      ) : isError || !forecast ? (
+        <Card className="flex min-h-40 flex-col items-center justify-center p-6 text-center">
+          <p className="text-sm text-slate-600 dark:text-slate-300">{t("forecast.error")}</p>
+          <Button variant="glass" className="mt-4" onClick={() => refetch()}><RefreshCw className="size-4" />{t("common.retry")}</Button>
+        </Card>
+      ) : !forecast.hourly.length || !forecast.daily.length ? (
+        <EmptyState title={t("forecast.emptyTitle")} description={t("forecast.emptyDescription")} />
+      ) : (
+        <div className="grid gap-3 lg:grid-cols-[1.35fr_1fr]">
+          <Card className="overflow-hidden p-4 sm:p-5">
+            <h3 className="flex items-center gap-2 text-sm font-semibold"><Clock3 className="size-4 text-sky-600 dark:text-sky-300" />{t("forecast.hourly")}</h3>
+            <div className="-mx-4 mt-4 overflow-x-auto px-4 pb-1 sm:-mx-5 sm:px-5">
+              <ul className="flex min-w-max gap-2">
+                {forecast.hourly.map((hour, index) => (
+                  <motion.li
+                    key={hour.time}
+                    initial={{ opacity: 0, y: 8 }}
+                    animate={{ opacity: 1, y: 0 }}
+                    transition={{ delay: Math.min(index * 0.018, 0.3), duration: 0.25 }}
+                    className="w-[4.6rem] rounded-2xl border border-white/35 bg-white/25 px-2 py-3 text-center dark:border-white/10 dark:bg-white/5"
+                    title={getForecastCondition(hour.weatherCode, language)}
+                  >
+                    <p className="text-xs font-medium text-slate-600 dark:text-slate-300">{formatHour(hour.time)}</p>
+                    <ForecastIcon code={hour.weatherCode} className="mx-auto my-3 size-6 text-sky-600 dark:text-sky-300" />
+                    <p className="text-lg font-semibold tracking-tight">{formatForecastTemperature(hour.temperature, language)}</p>
+                    <p className="mt-2 flex items-center justify-center gap-1 text-[0.66rem] text-sky-700 dark:text-sky-300"><Droplets className="size-3" />{hour.precipitationProbability === null ? "—" : `${hour.precipitationProbability}%`}</p>
+                  </motion.li>
+                ))}
+              </ul>
+            </div>
+          </Card>
+          <Card className="p-4 sm:p-5">
+            <h3 className="flex items-center gap-2 text-sm font-semibold"><CalendarDays className="size-4 text-sky-600 dark:text-sky-300" />{t("forecast.daily")}</h3>
+            <ul className="mt-2">{forecast.daily.map((day, index) => <DailyForecastRow day={day} index={index} key={day.date} />)}</ul>
+          </Card>
+        </div>
+      )}
+
+      <p className="text-[0.68rem] text-slate-500 dark:text-slate-400">
+        {t("forecast.source")} <a href="https://open-meteo.com/" target="_blank" rel="noreferrer" className="inline-flex items-center gap-1 underline decoration-slate-400/60 underline-offset-2 transition hover:text-sky-700 dark:hover:text-sky-300">Open-Meteo <ExternalLink className="size-3" /></a>
+      </p>
+    </section>
+  );
+}