mirror of
https://github.com/caty21/forex-dashboard.git
synced 2026-08-03 15:57:43 +00:00
Capucine Gest
402 lines
17 KiB
TypeScript
402 lines
17 KiB
TypeScript
"use client";
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import React, { useState, useMemo } from "react";
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import { ChevronDown, ChevronRight, Loader2, Calendar } from "lucide-react";
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import { CURRENCIES, CURRENCY_META } from "@/lib/constants";
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import type { Currency } from "@/lib/types";
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import type { CalendarEvent } from "@/app/api/calendar/route";
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interface Props {
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events: CalendarEvent[];
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loading: boolean;
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nextWeekAvail: boolean; // nextweek.json disponible sur le CDN FF
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}
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const CATEGORY_LABELS: Record<string, string> = {
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employment: "Emploi",
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pmi: "PMI",
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policy_rate: "Taux directeur",
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cb_speech: "Discours BC",
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inflation: "Inflation",
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gdp: "PIB",
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retail_sales: "Ventes détail",
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trade_balance: "Balance comm.",
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};
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const IMPACT_COLOR: Record<string, string> = {
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high: "bg-red-500",
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medium: "bg-amber-400",
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low: "bg-gray-300",
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};
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// ── Helpers ───────────────────────────────────────────────────────────────────
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function isoToLocalDate(iso: string): string {
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return new Date(iso).toISOString().slice(0, 10);
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}
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function fmtDate(iso: string): { day: string; time: string } {
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const d = new Date(iso);
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const day = d.toLocaleDateString("fr-FR", { weekday: "short", day: "2-digit", month: "short" });
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const time = d.toLocaleTimeString("fr-FR", { hour: "2-digit", minute: "2-digit" });
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return { day, time };
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}
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function fmtDayLabel(dateStr: string): string {
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return new Date(dateStr + "T12:00:00").toLocaleDateString("fr-FR", {
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weekday: "long", day: "numeric", month: "long",
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});
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}
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function todayIso(): string {
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return new Date().toISOString().slice(0, 10);
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}
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function nextMonday(): Date {
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const now = new Date();
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const day = now.getDay();
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const d = new Date(now);
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d.setDate(now.getDate() + (day === 0 ? 1 : 8 - day));
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d.setHours(0, 0, 0, 0);
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return d;
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}
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// ── Week bounds ───────────────────────────────────────────────────────────────
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function getWeekBounds() {
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const nm = nextMonday();
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const currentStart = new Date(nm);
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currentStart.setDate(nm.getDate() - 7);
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const currentEnd = new Date(nm);
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currentEnd.setDate(nm.getDate() - 1);
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const nextEnd = new Date(nm);
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nextEnd.setDate(nm.getDate() + 6);
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const next2Start = new Date(nm);
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next2Start.setDate(nm.getDate() + 7);
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const next2End = new Date(nm);
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next2End.setDate(nm.getDate() + 13);
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const fmt = (d: Date) => d.toLocaleDateString("fr-FR", { day: "numeric", month: "short" });
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return {
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currentWeekLabel: `${fmt(currentStart)} – ${fmt(currentEnd)}`,
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nextWeekLabel: `${fmt(nm)} – ${fmt(nextEnd)}`,
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next2WeekLabel: `${fmt(next2Start)} – ${fmt(next2End)}`,
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next2StartLabel: fmt(next2Start),
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nextMondayIso: nm.toISOString().slice(0, 10),
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};
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}
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// ── Sub-components ────────────────────────────────────────────────────────────
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function ImpactDot({ impact }: { impact: string }) {
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return <span className={`inline-block w-2 h-2 rounded-full flex-shrink-0 ${IMPACT_COLOR[impact] ?? "bg-gray-300"}`} />;
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}
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function EventRow({ ev, isChild, expanded, onToggle }: {
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ev: CalendarEvent; isChild: boolean; expanded: boolean; onToggle: () => void;
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}) {
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const { day, time } = fmtDate(ev.date);
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const meta = CURRENCY_META[ev.currency];
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const rowCls = [
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"border-b border-gray-100 hover:bg-gray-50 transition-colors",
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isChild ? "bg-gray-50/70" : "",
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!ev.isPublished && ev.impact === "high" ? "border-l-2 border-l-red-400" : "",
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!ev.isPublished && ev.impact === "medium" ? "border-l-2 border-l-amber-400" : "",
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ev.isPublished ? "opacity-70" : "",
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].join(" ");
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return (
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<tr className={rowCls}>
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<td className="py-2 px-3 whitespace-nowrap">
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<div className="text-xs font-medium text-gray-700">{day}</div>
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<div className="text-[10px] text-gray-400">{time}</div>
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</td>
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<td className="py-2 px-2 whitespace-nowrap">
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<span className="text-sm">{meta?.flag}</span>
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<span className="ml-1 text-xs font-semibold text-gray-700">{ev.currency}</span>
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</td>
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<td className="py-2 px-3">
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<button
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onClick={ev.isGroupParent ? onToggle : undefined}
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className={`flex items-center gap-1 text-left text-sm ${ev.isGroupParent ? "cursor-pointer font-medium text-gray-800 hover:text-blue-600" : "text-gray-600"} ${isChild ? "pl-4 text-[11px]" : ""}`}
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>
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{ev.isGroupParent && (expanded ? <ChevronDown size={12} className="text-gray-400 flex-shrink-0" /> : <ChevronRight size={12} className="text-gray-400 flex-shrink-0" />)}
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{isChild && <span className="text-gray-300 mr-1">↳</span>}
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{ev.title}
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</button>
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<div className="text-[9px] text-gray-400 mt-0.5 pl-4">{CATEGORY_LABELS[ev.category]}</div>
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</td>
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<td className="py-2 px-3 text-right">
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<span className="text-xs text-gray-500 tabular-nums">{ev.previous ?? "—"}</span>
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</td>
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<td className="py-2 px-3 text-right">
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{ev.forecast
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? <span className="text-xs font-medium text-blue-600 tabular-nums">{ev.forecast}</span>
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: <span className="text-xs text-gray-300">—</span>}
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</td>
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<td className="py-2 px-3 text-right">
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{ev.actual
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? <span className={`text-xs font-semibold tabular-nums ${ev.isPublished ? "text-gray-800" : "text-gray-400"}`}>{ev.actual}</span>
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: <span className="text-xs text-gray-200">—</span>}
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</td>
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<td className="py-2 px-3 text-center">
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<ImpactDot impact={ev.impact} />
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</td>
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</tr>
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);
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}
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// ── Main component ────────────────────────────────────────────────────────────
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type WeekTab = "current" | "next" | "next2" | "all";
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export default function CalendarTab({ events, loading, nextWeekAvail }: Props) {
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const [filterCcy, setFilterCcy] = useState<Currency | "ALL">("ALL");
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const [expanded, setExpanded] = useState<Set<string>>(new Set());
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const [showLow, setShowLow] = useState(false);
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const [weekTab, setWeekTab] = useState<WeekTab>("all");
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const [fromDate, setFromDate] = useState<string>(todayIso());
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const { currentWeekLabel, nextWeekLabel, next2WeekLabel, next2StartLabel, nextMondayIso } = useMemo(getWeekBounds, []);
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const toggle = (groupKey: string) =>
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setExpanded((prev) => {
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const next = new Set(prev);
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if (next.has(groupKey)) next.delete(groupKey); else next.add(groupKey);
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return next;
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});
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// Filtrage
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const filtered = useMemo(() => {
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return events.filter((ev) => {
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if (filterCcy !== "ALL" && ev.currency !== filterCcy) return false;
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if (!showLow && ev.impact === "low") return false;
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if (ev.isGroupChild && ev.groupKey && !expanded.has(ev.groupKey)) return false;
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// Filtre semaine
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if (weekTab === "current" && ev.week !== "current") return false;
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if (weekTab === "next" && ev.week !== "next") return false;
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if (weekTab === "next2" && ev.week !== "next2") return false;
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// Filtre date depuis
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const evDate = isoToLocalDate(ev.date);
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if (evDate < fromDate) return false;
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return true;
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});
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}, [events, filterCcy, showLow, expanded, weekTab, fromDate]);
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// Grouper par jour
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const days: string[] = [];
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const dayMap: Record<string, CalendarEvent[]> = {};
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for (const ev of filtered) {
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const d = isoToLocalDate(ev.date);
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if (!dayMap[d]) { dayMap[d] = []; days.push(d); }
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dayMap[d].push(ev);
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}
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days.sort();
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// Compteurs par semaine pour les onglets
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const countCurrent = events.filter(e => e.week === "current").length;
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const countNext = events.filter(e => e.week === "next").length;
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const countNext2 = events.filter(e => e.week === "next2").length;
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return (
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<div className="bg-white border border-gray-200 rounded-xl overflow-hidden">
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{/* Header */}
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<div className="px-4 py-3 border-b border-gray-100">
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<div className="flex items-center justify-between">
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<div>
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<h2 className="text-sm font-semibold text-gray-800">Calendrier économique</h2>
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<p className="text-[10px] text-gray-400 mt-0.5">Sources : ForexFactory · FRED · Banques centrales</p>
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</div>
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<label className="flex items-center gap-1.5 text-[10px] text-gray-500 cursor-pointer">
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<input type="checkbox" checked={showLow} onChange={(e) => setShowLow(e.target.checked)} className="w-3 h-3" />
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Impact faible
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</label>
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</div>
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</div>
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{/* ── Onglets semaine ──────────────────────────────────────────────────── */}
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<div className="flex gap-0 border-b border-gray-200 bg-gray-50/50">
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{([
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["all", "Tout", null, null],
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["current","Sem. en cours", currentWeekLabel, countCurrent],
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["next", "Sem. prochaine", nextWeekLabel, countNext],
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["next2", "Sem. +2 et +", `${next2StartLabel} et +`, countNext2],
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] as [WeekTab, string, string | null, number | null][]).map(([tab, label, sub, count]) => {
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const isActive = weekTab === tab;
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const disabled = tab === "next" && !nextWeekAvail && countNext === 0;
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const noData = typeof count === "number" && count === 0 && tab !== "all";
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return (
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<button
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key={tab}
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onClick={() => !disabled && setWeekTab(tab)}
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disabled={disabled}
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className={`px-3 py-2.5 text-xs font-medium border-b-2 transition-colors text-left ${
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isActive ? "border-blue-500 text-blue-600 bg-white" :
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disabled ? "border-transparent text-gray-300 cursor-not-allowed" :
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"border-transparent text-gray-500 hover:text-gray-700 hover:bg-white"
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}`}
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>
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<div className="flex items-center gap-1">
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{label}
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{tab === "next2" && countNext2 > 0 && (
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<span className="text-[8px] bg-amber-100 text-amber-700 px-1 rounded">FRED</span>
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)}
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</div>
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{sub && (
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<div className={`text-[9px] mt-0.5 ${isActive ? "text-blue-400" : disabled ? "text-gray-300" : "text-gray-400"}`}>
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{disabled ? "Dispo lundi (retry auto)" : sub}
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</div>
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)}
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{tab !== "all" && typeof count === "number" && (
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<div className={`text-[9px] ${noData ? "text-gray-300" : "text-gray-400"}`}>
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{count} événement{count !== 1 ? "s" : ""}
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</div>
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)}
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</button>
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);
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})}
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</div>
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{/* ── Filtre devise + date ──────────────────────────────────────────────── */}
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<div className="flex flex-wrap items-center gap-2 px-4 py-2 border-b border-gray-100">
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{/* Date depuis */}
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<div className="flex items-center gap-1.5 shrink-0">
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<Calendar size={11} className="text-gray-400" />
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<span className="text-[10px] text-gray-500">Depuis</span>
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<input
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type="date"
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value={fromDate}
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onChange={(e) => setFromDate(e.target.value)}
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className="text-[10px] border border-gray-200 rounded px-1.5 py-0.5 text-gray-700 focus:outline-none focus:border-blue-400"
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/>
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<button
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onClick={() => setFromDate(todayIso())}
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className="text-[9px] text-blue-500 hover:text-blue-700 underline"
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>
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Aujourd'hui
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</button>
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</div>
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<div className="w-px h-4 bg-gray-200 shrink-0" />
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{/* Filtre devise */}
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<div className="flex flex-wrap gap-1">
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<button
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onClick={() => setFilterCcy("ALL")}
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className={`px-2 py-0.5 rounded-full text-[10px] font-medium ${filterCcy === "ALL" ? "bg-gray-800 text-white" : "bg-gray-100 text-gray-600 hover:bg-gray-200"}`}
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>
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Tout
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</button>
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{CURRENCIES.map((ccy) => (
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<button
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key={ccy}
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onClick={() => setFilterCcy(ccy === filterCcy ? "ALL" : ccy)}
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className={`flex items-center gap-0.5 px-2 py-0.5 rounded-full text-[10px] font-medium ${filterCcy === ccy ? "bg-blue-600 text-white" : "bg-gray-100 text-gray-600 hover:bg-gray-200"}`}
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>
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{CURRENCY_META[ccy].flag} {ccy}
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</button>
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))}
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</div>
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</div>
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{/* ── Table ────────────────────────────────────────────────────────────── */}
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{loading ? (
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<div className="flex items-center justify-center py-12">
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<Loader2 size={20} className="animate-spin text-gray-300" />
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</div>
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) : filtered.length === 0 ? (
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<div className="py-10 text-center">
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<p className="text-sm text-gray-400">Aucun événement pour cette sélection</p>
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{weekTab === "next" && !nextWeekAvail && (
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<p className="text-[10px] text-gray-400 mt-1">
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ForexFactory ne publie la semaine prochaine que du lundi au vendredi.<br />
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Données disponibles dans quelques heures.
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</p>
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)}
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{fromDate > todayIso() && (
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<button onClick={() => setFromDate(todayIso())} className="mt-2 text-[10px] text-blue-500 underline">
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Revenir à aujourd'hui
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</button>
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)}
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</div>
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) : (
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<div className="overflow-x-auto">
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<table className="w-full text-sm min-w-[700px]">
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<thead>
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<tr className="bg-gray-50 text-[10px] font-semibold text-gray-500 uppercase tracking-wider">
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<th className="py-2 px-3 text-left">Date / Heure</th>
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<th className="py-2 px-2 text-left">Devise</th>
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<th className="py-2 px-3 text-left">Événement</th>
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<th className="py-2 px-3 text-right">Précédent</th>
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<th className="py-2 px-3 text-right">Prévision</th>
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<th className="py-2 px-3 text-right">Actuel</th>
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<th className="py-2 px-3 text-center">Impact</th>
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</tr>
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</thead>
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<tbody>
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{(() => {
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const rows: React.ReactNode[] = [];
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let lastWeek: "current" | "next" | "next2" | null = null;
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for (const day of days) {
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const dayEvents = dayMap[day];
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if (!dayEvents?.length) continue;
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const w = dayEvents[0].week;
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// Séparateur de semaine
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if (weekTab === "all" && w !== lastWeek) {
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lastWeek = w;
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const weekBanners: Record<string, string> = {
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current: `📅 Semaine en cours — ${currentWeekLabel}`,
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next: `📅 Semaine prochaine — ${nextWeekLabel}`,
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next2: `📅 À partir du ${next2StartLabel} — réunions CB + données économiques`,
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};
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rows.push(
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<tr key={`wsep_${w}`} className={w === "next2" ? "bg-amber-600" : "bg-indigo-600"}>
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<td colSpan={7} className="px-4 py-1.5 text-[10px] font-bold text-white uppercase tracking-widest">
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{weekBanners[w] ?? w}
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</td>
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</tr>
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);
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}
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// Séparateur de jour
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rows.push(
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<tr key={`dsep_${day}`} className="bg-blue-50">
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<td colSpan={7} className="px-3 py-1.5 text-[10px] font-semibold text-blue-700 capitalize">
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{fmtDayLabel(day)}
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</td>
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</tr>
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);
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for (const ev of dayEvents) {
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rows.push(
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<EventRow
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key={ev.id}
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ev={ev}
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isChild={ev.isGroupChild}
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expanded={ev.groupKey ? expanded.has(ev.groupKey) : false}
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onToggle={() => ev.groupKey && toggle(ev.groupKey)}
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/>
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);
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}
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}
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return rows;
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})()}
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</tbody>
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</table>
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</div>
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)}
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{/* Legend */}
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<div className="flex items-center gap-4 px-4 py-2 border-t border-gray-100 text-[10px] text-gray-500">
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<span className="flex items-center gap-1"><span className="w-2 h-2 rounded-full bg-red-500 inline-block" /> Impact élevé</span>
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<span className="flex items-center gap-1"><span className="w-2 h-2 rounded-full bg-amber-400 inline-block" /> Impact moyen</span>
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<span>· Cliquer sur une ligne groupée pour voir les sous-indicateurs</span>
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<span>· Prévision = consensus marché avant publication</span>
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</div>
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</div>
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);
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}
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