From ac366d04cd54869c9a2b090aae24a276c32a85a6 Mon Sep 17 00:00:00 2001
From: Ariel Costas Guerrero <ariel@costas.dev>
Date: Sat, 14 Feb 2026 01:35:54 +0100
Subject: feat: Implemen experimental bus stop usage display

---
 .../app/components/stop/StopUsageModal.tsx         | 151 +++++++++++++++++++++
 1 file changed, 151 insertions(+)
 create mode 100644 src/frontend/app/components/stop/StopUsageModal.tsx

(limited to 'src/frontend/app/components/stop')

diff --git a/src/frontend/app/components/stop/StopUsageModal.tsx b/src/frontend/app/components/stop/StopUsageModal.tsx
new file mode 100644
index 0000000..41db64a
--- /dev/null
+++ b/src/frontend/app/components/stop/StopUsageModal.tsx
@@ -0,0 +1,151 @@
+import { useMemo, useState } from "react";
+import { useTranslation } from "react-i18next";
+import { Sheet } from "react-modal-sheet";
+import type { BusStopUsagePoint } from "~/api/schema";
+
+interface StopUsageModalProps {
+  isOpen: boolean;
+  onClose: () => void;
+  usage: BusStopUsagePoint[];
+}
+
+export const StopUsageModal = ({
+  isOpen,
+  onClose,
+  usage,
+}: StopUsageModalProps) => {
+  const { t } = useTranslation();
+
+  // Get current day of week (1=Monday, 7=Sunday)
+  // JS getDay(): 0=Sunday, 1=Monday ... 6=Saturday
+  const currentJsDay = new Date().getDay();
+  const initialDay = currentJsDay === 0 ? 7 : currentJsDay;
+
+  const [selectedDay, setSelectedDay] = useState<number>(initialDay);
+
+  const days = [
+    { id: 1, label: t("days.monday") },
+    { id: 2, label: t("days.tuesday") },
+    { id: 3, label: t("days.wednesday") },
+    { id: 4, label: t("days.thursday") },
+    { id: 5, label: t("days.friday") },
+    { id: 6, label: t("days.saturday") },
+    { id: 7, label: t("days.sunday") },
+  ];
+
+  const filteredData = useMemo(() => {
+    const data = usage.filter((u) => u.d === selectedDay);
+    // Ensure all 24 hours are represented
+    const fullDay = Array.from({ length: 24 }, (_, h) => {
+      const match = data.find((u) => u.h === h);
+      return { h, t: match?.t ?? 0 };
+    });
+    return fullDay;
+  }, [usage, selectedDay]);
+
+  const maxUsage = useMemo(() => {
+    const max = Math.max(...filteredData.map((d) => d.t));
+    return max === 0 ? 1 : max;
+  }, [filteredData]);
+
+  // Use a square root scale to make smaller values more visible
+  const getScaledHeight = (value: number) => {
+    if (value <= 0) return 0;
+    const scaledValue = Math.sqrt(value);
+    const scaledMax = Math.sqrt(maxUsage);
+    return (scaledValue / scaledMax) * 100;
+  };
+
+  return (
+    <Sheet isOpen={isOpen} onClose={onClose} detent="content">
+      <Sheet.Container className="bg-white! dark:bg-black! !rounded-t-[20px]">
+        <Sheet.Header className="bg-white! dark:bg-black! !rounded-t-[20px]" />
+        <Sheet.Content className="p-6 pb-12 text-slate-900 dark:text-slate-100">
+          <div className="flex flex-col gap-6">
+            <div className="flex flex-col sm:flex-row sm:items-center justify-between gap-4">
+              <h2 className="text-xl font-bold">
+                {t("stop.usage_title", "Ocupación por horas")}
+              </h2>
+              <div className="flex items-center gap-1 rounded-full border border-border bg-background/90 p-1 shadow-sm backdrop-blur w-fit">
+                {days.map((day) => (
+                  <button
+                    key={day.id}
+                    type="button"
+                    onClick={() => setSelectedDay(day.id)}
+                    className={`h-8 min-w-8 px-2 rounded-full flex items-center justify-center transition-colors text-xs font-bold ${
+                      selectedDay === day.id
+                        ? "bg-primary text-white"
+                        : "text-muted hover:text-text"
+                    }`}
+                  >
+                    {day.label}
+                  </button>
+                ))}
+              </div>
+            </div>
+
+            <div className="p-6 bg-slate-50 dark:bg-slate-900/50 rounded-2xl border border-border/50">
+              <div className="h-64 flex items-end gap-1.5 px-1 relative">
+                {/* Horizontal grid lines */}
+                <div className="absolute inset-0 flex flex-col justify-between pointer-events-none opacity-20 py-1">
+                  <div className="w-full border-t border-slate-400 border-dashed"></div>
+                  <div className="w-full border-t border-slate-400 border-dashed"></div>
+                  <div className="w-full border-t border-slate-400 border-dashed"></div>
+                </div>
+
+                {filteredData.map((data) => {
+                  const height = getScaledHeight(data.t);
+                  const isServiceHour = data.h >= 7 && data.h < 23;
+
+                  return (
+                    <div
+                      key={data.h}
+                      className="group relative flex-1 flex flex-col items-center h-full justify-end"
+                    >
+                      <div
+                        className={`w-full rounded-t-md transition-all duration-500 ease-out min-h-[2px] ${
+                          isServiceHour
+                            ? "bg-primary/60 group-hover:bg-primary shadow-[0_0_10px_rgba(var(--primary-rgb),0.2)]"
+                            : "bg-slate-300 dark:bg-slate-700 group-hover:bg-slate-400"
+                        }`}
+                        style={{ height: `${height}%` }}
+                      >
+                        {data.t > 0 && (
+                          <div className="absolute -top-8 left-1/2 -translate-x-1/2 bg-slate-800 text-white text-[10px] px-2 py-1 rounded-full opacity-0 group-hover:opacity-100 transition-opacity whitespace-nowrap z-10 shadow-lg border border-white/10">
+                            {data.t} {t("stop.usage_passengers", "pas.")}
+                          </div>
+                        )}
+                      </div>
+                      {data.h % 4 === 0 && (
+                        <span className="text-[10px] font-medium text-slate-500 mt-2 absolute -bottom-6">
+                          {data.h}h
+                        </span>
+                      )}
+                    </div>
+                  );
+                })}
+              </div>
+              <div className="h-6"></div> {/* Spacer for hour labels */}
+            </div>
+
+            <div className="flex flex-col gap-2">
+              <p className="text-[10px] text-slate-400 dark:text-slate-500 text-center uppercase tracking-wider font-semibold">
+                {t(
+                  "stop.usage_scale_info",
+                  "Escala no lineal para resaltar valores bajos"
+                )}
+              </p>
+              <p className="text-xs text-slate-500 dark:text-slate-400 text-center italic leading-relaxed">
+                {t(
+                  "stop.usage_disclaimer",
+                  "Datos históricos aproximados de ocupación."
+                )}
+              </p>
+            </div>
+          </div>
+        </Sheet.Content>
+      </Sheet.Container>
+      <Sheet.Backdrop onTap={onClose} />
+    </Sheet>
+  );
+};
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