init

components/dashboard-analysis-card.tsx

@@ -1,57 +1,260 @@
 "use client";
 
-import { useActionState } from "react";
-import { Sparkles } from "lucide-react";
+import Link from "next/link";
+import { useActionState, useMemo, useState } from "react";
+import {
+  format,
+  startOfMonth,
+  endOfMonth,
+  startOfWeek,
+  endOfWeek,
+  addDays,
+  addMonths,
+  subMonths,
+  isSameMonth,
+  isSameDay,
+  isToday,
+} from "date-fns";
+import { pl } from "date-fns/locale";
+import { Activity, ChevronLeft, ChevronRight, Dumbbell, Sparkles } from "lucide-react";
 import { generateDashboardAnalysisAction } from "@/app/ai/actions";
-import { formatDate } from "@/lib/format";
+import { formatDate, formatDistance, formatDuration, formatPace } from "@/lib/format";
 import type { SerializedAiAnalysis } from "@/lib/models/analysis";
 
-type Props = {
-  analysis: SerializedAiAnalysis | null;
+export type DayRun = {
+  id: string;
+  name: string;
+  startTime: string;
+  distanceM: number;
+  durationSec: number;
+  avgPaceSecPerKm: number;
 };
 
-export function DashboardAnalysisCard({ analysis }: Props) {
+export type DayWorkout = {
+  id: string;
+  name: string;
+  date: string;
+  exerciseCount: number;
+};
+
+type Props = {
+  analyses: SerializedAiAnalysis[];
+  runs: DayRun[];
+  workouts: DayWorkout[];
+};
+
+function dayKey(date: Date): string {
+  return `${date.getFullYear()}-${date.getMonth()}-${date.getDate()}`;
+}
+
+export function DashboardAnalysisCard({ analyses, runs, workouts }: Props) {
   const [state, formAction, pending] = useActionState(generateDashboardAnalysisAction, null);
 
+  // Map each calendar day to its (latest) analysis. Selecting a day is a pure
+  // local lookup, no server round-trip.
+  const byDay = useMemo(() => {
+    const map = new Map<string, SerializedAiAnalysis>();
+    for (const a of analyses) {
+      const key = dayKey(new Date(a.createdAt));
+      if (!map.has(key)) map.set(key, a); // analyses are newest-first
+    }
+    return map;
+  }, [analyses]);
+
+  const [currentMonth, setCurrentMonth] = useState(() => new Date());
+  const [selectedDate, setSelectedDate] = useState<Date>(() => new Date());
+
+  function hasAnalysis(date: Date) {
+    return byDay.has(dayKey(date));
+  }
+
+  const monthStart = startOfMonth(currentMonth);
+  const monthEnd = endOfMonth(monthStart);
+  const calendarStart = startOfWeek(monthStart, { weekStartsOn: 1 });
+  const calendarEnd = endOfWeek(monthEnd, { weekStartsOn: 1 });
+
+  const days: Date[] = [];
+  let cursor = calendarStart;
+  while (cursor <= calendarEnd) {
+    days.push(cursor);
+    cursor = addDays(cursor, 1);
+  }
+
+  const weekDays = ["Pn", "Wt", "Śr", "Cz", "Pt", "Sb", "Nd"];
+
+  const selectedAnalysis = byDay.get(dayKey(selectedDate)) ?? null;
+  const viewingToday = isToday(selectedDate);
+
+  const dayRuns = runs.filter((r) => isSameDay(new Date(r.startTime), selectedDate));
+  const dayWorkouts = workouts.filter((w) => isSameDay(new Date(w.date), selectedDate));
+
   return (
-    <section className="flex flex-col gap-3 rounded-lg border border-muted/40 bg-surface p-4">
+    <section className="flex flex-col gap-4 rounded-lg border border-muted/40 bg-surface p-4">
       <div className="flex items-center justify-between">
         <h2 className="flex items-center gap-1.5 text-lg font-semibold text-fg">
           <Sparkles size={18} className="text-accent" />
           Kondycja treningowa
         </h2>
-        <form action={formAction}>
-          <button
-            type="submit"
-            disabled={pending}
-            className="rounded-md bg-accent px-3 py-1.5 text-sm font-semibold text-fg transition-opacity hover:opacity-90 disabled:opacity-50"
-          >
-            {pending ? "Analizuję..." : analysis ? "Odśwież analizę" : "Generuj analizę"}
-          </button>
-        </form>
+        {viewingToday && (
+          <form action={formAction}>
+            <button
+              type="submit"
+              disabled={pending}
+              className="rounded-md bg-accent px-3 py-1.5 text-sm font-semibold text-fg transition-opacity hover:opacity-90 disabled:opacity-50"
+            >
+              {pending ? "Analizuję..." : selectedAnalysis ? "Odśwież analizę" : "Generuj analizę"}
+            </button>
+          </form>
+        )}
       </div>
 
       {state && "error" in state ? <p className="text-sm text-accent">{state.error}</p> : null}
 
-      {analysis ? (
-        <div className="flex flex-col gap-2">
-          <p className="text-sm text-fg/90">{analysis.summary}</p>
-          {analysis.tips.length > 0 ? (
-            <ul className="list-disc pl-5 text-sm text-fg/80">
-              {analysis.tips.map((tip, index) => (
-                <li key={index}>{tip}</li>
-              ))}
-            </ul>
-          ) : null}
-          <p className="text-xs text-fg/40">
-            {formatDate(analysis.createdAt)} · {analysis.model}
-          </p>
+      <div className="flex flex-col gap-4 sm:flex-row">
+        <div className="min-w-[280px]">
+          <div className="mb-2 flex items-center justify-between">
+            <button
+              type="button"
+              onClick={() => setCurrentMonth(subMonths(currentMonth, 1))}
+              className="rounded p-1 text-fg/60 transition-colors hover:text-fg"
+            >
+              <ChevronLeft size={16} />
+            </button>
+            <span className="text-sm font-medium capitalize text-fg">
+              {format(currentMonth, "LLLL yyyy", { locale: pl })}
+            </span>
+            <button
+              type="button"
+              onClick={() => setCurrentMonth(addMonths(currentMonth, 1))}
+              className="rounded p-1 text-fg/60 transition-colors hover:text-fg"
+            >
+              <ChevronRight size={16} />
+            </button>
+          </div>
+
+          <div className="grid grid-cols-7 gap-1 text-center text-xs text-fg/50">
+            {weekDays.map((d) => (
+              <div key={d} className="py-1">
+                {d}
+              </div>
+            ))}
+          </div>
+
+          <div className="grid grid-cols-7 gap-1">
+            {days.map((d, i) => {
+              const inMonth = isSameMonth(d, monthStart);
+              const has = hasAnalysis(d);
+              const today = isToday(d);
+              const selectable = has || today;
+              const selected = isSameDay(d, selectedDate);
+
+              return (
+                <button
+                  type="button"
+                  key={i}
+                  onClick={() => selectable && setSelectedDate(d)}
+                  disabled={!selectable}
+                  className={[
+                    "relative flex h-8 w-full items-center justify-center rounded text-xs transition-colors",
+                    !inMonth && "opacity-30",
+                    selectable && !selected && "cursor-pointer text-fg hover:bg-accent/20",
+                    selected && "bg-accent font-semibold text-fg",
+                    !selectable && "cursor-default text-fg/40",
+                    today && !selected && "ring-1 ring-accent/50",
+                  ]
+                    .filter(Boolean)
+                    .join(" ")}
+                >
+                  {d.getDate()}
+                  {has && !selected && (
+                    <span className="absolute bottom-0.5 left-1/2 h-1 w-1 -translate-x-1/2 rounded-full bg-accent" />
+                  )}
+                </button>
+              );
+            })}
+          </div>
+
+          <div className="mt-4 flex flex-col gap-1.5">
+            <p className="text-xs font-medium text-fg/50">
+              Treningi · {format(selectedDate, "d MMM yyyy", { locale: pl })}
+            </p>
+            {dayRuns.length === 0 && dayWorkouts.length === 0 ? (
+              <p className="text-xs text-fg/40">Brak treningów tego dnia.</p>
+            ) : (
+              <ul className="flex flex-col gap-1.5">
+                {dayRuns.map((run) => (
+                  <li key={run.id}>
+                    <Link
+                      href={`/running/${run.id}`}
+                      className="flex items-center gap-2 rounded-md border border-muted/40 bg-bg/40 px-2.5 py-1.5 transition-colors hover:border-accent/60"
+                    >
+                      <Activity size={14} className="shrink-0 text-accent" />
+                      <span className="min-w-0 flex-1">
+                        <span className="block truncate text-xs font-medium text-fg">
+                          {run.name}
+                        </span>
+                        <span className="block text-[11px] text-fg/55">
+                          {formatDistance(run.distanceM)} · {formatDuration(run.durationSec)} ·{" "}
+                          {formatPace(run.avgPaceSecPerKm)}
+                        </span>
+                      </span>
+                    </Link>
+                  </li>
+                ))}
+                {dayWorkouts.map((workout) => (
+                  <li key={workout.id}>
+                    <Link
+                      href={`/strength/${workout.id}`}
+                      className="flex items-center gap-2 rounded-md border border-muted/40 bg-bg/40 px-2.5 py-1.5 transition-colors hover:border-accent/60"
+                    >
+                      <Dumbbell size={14} className="shrink-0 text-accent" />
+                      <span className="min-w-0 flex-1">
+                        <span className="block truncate text-xs font-medium text-fg">
+                          {workout.name}
+                        </span>
+                        <span className="block text-[11px] text-fg/55">
+                          {workout.exerciseCount}{" "}
+                          {workout.exerciseCount === 1 ? "ćwiczenie" : "ćwiczeń"}
+                        </span>
+                      </span>
+                    </Link>
+                  </li>
+                ))}
+              </ul>
+            )}
+          </div>
         </div>
-      ) : (
-        <p className="text-sm text-fg/60">
-          Wygeneruj kompleksową analizę kondycji łączącą dane biegowe, siłowe, HRV i sen.
-        </p>
-      )}
+
+        <div className="flex-1">
+          {selectedAnalysis ? (
+            <div className="flex flex-col gap-2">
+              <p className="text-xs font-medium text-fg/50">
+                {format(selectedDate, "d MMMM yyyy", { locale: pl })}
+              </p>
+              <p className="text-sm text-fg/90">{selectedAnalysis.summary}</p>
+              {selectedAnalysis.tips.length > 0 && (
+                <ul className="list-disc pl-5 text-sm text-fg/80">
+                  {selectedAnalysis.tips.map((tip, index) => (
+                    <li key={index}>{tip}</li>
+                  ))}
+                </ul>
+              )}
+              <p className="text-xs text-fg/40">
+                {formatDate(selectedAnalysis.createdAt)} · {selectedAnalysis.model}
+              </p>
+            </div>
+          ) : viewingToday ? (
+            <p className="text-sm text-fg/60">
+              Brak analizy na dziś. Wygeneruj kompleksową analizę kondycji łączącą dane biegowe,
+              siłowe, HRV i sen.
+            </p>
+          ) : (
+            <p className="text-sm text-fg/60">
+              Wybierz dzień oznaczony kropką, aby zobaczyć analizę z tego dnia.
+            </p>
+          )}
+        </div>
+      </div>
     </section>
   );
 }

components/elevation-chart.tsx

@@ -54,7 +54,7 @@ export function ElevationChart({ data, syncId }: Props) {
   };
 
   return (
-    <div className="w-full rounded-lg border border-muted/40 bg-surface p-4">
+    <div className="rounded-lg border border-muted/40 bg-surface p-4" style={{ minWidth: 0 }}>
       <div className="mb-2 flex items-center gap-4 text-sm text-fg/60">
         <span>Profil wysokości</span>
         {hasPace && (
@@ -64,8 +64,9 @@ export function ElevationChart({ data, syncId }: Props) {
           </span>
         )}
       </div>
+      <div style={{ width: "100%", position: "relative", overflow: "hidden" }}>
       <ResponsiveContainer width="100%" height={110}>
-        <ComposedChart syncId={syncId} data={data} margin={{ top: 4, right: hasPace ? 52 : 8, left: 0, bottom: 0 }}>
+        <ComposedChart syncId={syncId} data={data} margin={{ top: 4, right: 4, left: 0, bottom: 0 }}>
           <defs>
             <linearGradient id={`elev-${uid}`} x1="0" y1="0" x2="0" y2="1">
               <stop offset="5%" stopColor="var(--color-accent)" stopOpacity={0.25} />
@@ -98,7 +99,7 @@ export function ElevationChart({ data, syncId }: Props) {
               stroke="var(--color-sand)"
               opacity={0.5}
               fontSize={11}
-              width={50}
+              width={62}
               tickFormatter={fmtPace}
               domain={[minPace - pacePad, maxPace + pacePad]}
             />
@@ -136,6 +137,7 @@ export function ElevationChart({ data, syncId }: Props) {
           )}
         </ComposedChart>
       </ResponsiveContainer>
+      </div>
     </div>
   );
 }

components/notes-editor.tsx

@@ -0,0 +1,50 @@
+"use client";
+
+import { useRef, useState, useTransition } from "react";
+
+type Props = {
+  initialNotes: string;
+  onSave: (notes: string) => Promise<void>;
+};
+
+export function NotesEditor({ initialNotes, onSave }: Props) {
+  const [value, setValue] = useState(initialNotes);
+  const [saved, setSaved] = useState(false);
+  const [isPending, startTransition] = useTransition();
+  const savedTimer = useRef<ReturnType<typeof setTimeout> | null>(null);
+
+  const dirty = value !== initialNotes;
+
+  function handleSave() {
+    startTransition(async () => {
+      await onSave(value);
+      if (savedTimer.current) clearTimeout(savedTimer.current);
+      setSaved(true);
+      savedTimer.current = setTimeout(() => setSaved(false), 2000);
+    });
+  }
+
+  return (
+    <div className="flex flex-col gap-2 rounded-lg border border-muted/40 bg-surface p-4">
+      <label className="text-sm font-medium text-fg/60">Notatki</label>
+      <textarea
+        value={value}
+        onChange={(e) => { setValue(e.target.value); setSaved(false); }}
+        placeholder="Dodaj notatki do tego treningu…"
+        rows={3}
+        className="w-full resize-none rounded border border-muted/40 bg-bg px-3 py-2 text-sm text-fg placeholder:text-fg/30 focus:border-accent focus:outline-none"
+      />
+      <div className="flex items-center justify-end gap-3">
+        {saved && <span className="text-xs text-fg/40">Zapisano</span>}
+        <button
+          onClick={handleSave}
+          disabled={!dirty || isPending}
+          className="rounded px-3 py-1.5 text-xs font-medium transition-colors disabled:cursor-not-allowed disabled:opacity-40"
+          style={{ background: "var(--color-accent)", color: "#fff" }}
+        >
+          {isPending ? "Zapisuję…" : "Zapisz"}
+        </button>
+      </div>
+    </div>
+  );
+}

components/running-stats-chart.tsx

@@ -0,0 +1,71 @@
+"use client";
+
+import { useEffect, useState } from "react";
+import {
+  Area,
+  AreaChart,
+  ResponsiveContainer,
+  Tooltip,
+  XAxis,
+  YAxis,
+} from "recharts";
+
+type RunDataPoint = {
+  label: string;
+  distanceKm: number;
+};
+
+type Props = {
+  data: RunDataPoint[];
+};
+
+export function RunningStatsChart({ data }: Props) {
+  const [mounted, setMounted] = useState(false);
+  useEffect(() => setMounted(true), []);
+
+  if (!mounted) {
+    return (
+      <div className="w-full rounded-lg border border-muted/40 bg-surface p-4">
+        <div className="mb-2 h-4 w-56 animate-pulse rounded bg-muted/30" />
+        <div className="h-[220px] animate-pulse rounded bg-muted/20" />
+      </div>
+    );
+  }
+
+  return (
+    <div className="w-full rounded-lg border border-muted/40 bg-surface p-4">
+      <div className="mb-2 text-sm text-fg/60">Tygodniowy dystans biegowy (od poniedziałku)</div>
+      <ResponsiveContainer width="100%" height={220}>
+        <AreaChart data={data} margin={{ top: 8, right: 8, left: 0, bottom: 0 }}>
+          <defs>
+            <linearGradient id="distGradient" x1="0" y1="0" x2="0" y2="1">
+              <stop offset="5%" stopColor="var(--color-accent)" stopOpacity={0.3} />
+              <stop offset="95%" stopColor="var(--color-accent)" stopOpacity={0} />
+            </linearGradient>
+          </defs>
+          <XAxis dataKey="label" stroke="var(--color-fg)" opacity={0.5} fontSize={11} />
+          <YAxis stroke="var(--color-fg)" opacity={0.5} fontSize={11} width={40} />
+          <Tooltip
+            cursor={{ stroke: "var(--color-accent)", strokeWidth: 1 }}
+            contentStyle={{
+              background: "var(--color-bg)",
+              border: "1px solid var(--color-muted)",
+              borderRadius: 8,
+              fontSize: 12,
+              color: "var(--color-fg)",
+            }}
+            formatter={(value) => [`${Number(value).toFixed(2)} km`, "Dystans"]}
+          />
+          <Area
+            type="monotone"
+            dataKey="distanceKm"
+            stroke="var(--color-accent)"
+            fill="url(#distGradient)"
+            strokeWidth={2}
+            name="distanceKm"
+          />
+        </AreaChart>
+      </ResponsiveContainer>
+    </div>
+  );
+}

components/volume-trend-chart.tsx

@@ -0,0 +1,105 @@
+"use client";
+
+import { useEffect, useState } from "react";
+import {
+  Bar,
+  BarChart,
+  Legend,
+  ResponsiveContainer,
+  Tooltip,
+  XAxis,
+  YAxis,
+} from "recharts";
+
+type WorkoutDataPoint = {
+  label: string;
+  date: string;
+  name: string;
+  volumeKg: number;
+};
+
+type Props = {
+  data: WorkoutDataPoint[];
+};
+
+const COLORS: Record<string, string> = {};
+const PALETTE = ["var(--color-accent)", "#5b9bd5", "#70ad47", "#ffc000", "#ed7d31"];
+
+function getColor(name: string): string {
+  if (!COLORS[name]) {
+    COLORS[name] = PALETTE[Object.keys(COLORS).length % PALETTE.length];
+  }
+  return COLORS[name];
+}
+
+export function VolumeTrendChart({ data }: Props) {
+  const [mounted, setMounted] = useState(false);
+  useEffect(() => setMounted(true), []);
+
+  if (!mounted) {
+    return (
+      <div className="w-full rounded-lg border border-muted/40 bg-surface p-4">
+        <div className="mb-2 h-4 w-56 animate-pulse rounded bg-muted/30" />
+        <div className="h-[220px] animate-pulse rounded bg-muted/20" />
+      </div>
+    );
+  }
+
+  const workoutNames = [...new Set(data.map((d) => d.name))];
+
+  const chartData: Record<string, string | number>[] = [];
+  const grouped = new Map<string, Record<string, string | number>>();
+
+  for (const point of data) {
+    const key = point.date;
+    if (!grouped.has(key)) {
+      grouped.set(key, { label: point.label });
+    }
+    const entry = grouped.get(key)!;
+    entry[point.name] = ((entry[point.name] as number) || 0) + point.volumeKg;
+  }
+
+  for (const entry of grouped.values()) {
+    chartData.push(entry);
+  }
+
+  return (
+    <div className="w-full rounded-lg border border-muted/40 bg-surface p-4">
+      <div className="mb-2 text-sm text-fg/60">
+        Trend wolumenu treningowego wg typu
+      </div>
+      <ResponsiveContainer width="100%" height={220}>
+        <BarChart data={chartData} margin={{ top: 8, right: 8, left: 0, bottom: 0 }}>
+          <XAxis dataKey="label" stroke="var(--color-fg)" opacity={0.5} fontSize={11} />
+          <YAxis stroke="var(--color-fg)" opacity={0.5} fontSize={11} width={48} />
+          <Tooltip
+            cursor={{ fill: "var(--color-bg)" }}
+            contentStyle={{
+              background: "var(--color-bg)",
+              border: "1px solid var(--color-muted)",
+              borderRadius: 8,
+              fontSize: 12,
+              color: "var(--color-fg)",
+            }}
+            formatter={(value) => [
+              `${Math.round(Number(value)).toLocaleString("pl-PL")} kg`,
+              "Wolumen",
+            ]}
+          />
+          <Legend
+            wrapperStyle={{ fontSize: 12, color: "var(--color-fg)" }}
+          />
+          {workoutNames.map((name) => (
+            <Bar
+              key={name}
+              dataKey={name}
+              fill={getColor(name)}
+              radius={[4, 4, 0, 0]}
+              stackId="volume"
+            />
+          ))}
+        </BarChart>
+      </ResponsiveContainer>
+    </div>
+  );
+}