feat: Implement time range filtering in the Gantt chart and refine the tooltip formatter in the statistics page.

components/gantt/gantt-page.tsx

@@ -7,8 +7,8 @@ import {
   ChevronLeft,
   ChevronRight,
   Calendar,
-  ZoomIn,
+  History,
-  ZoomOut,
+  Clock,
   Filter,
 } from "lucide-react";
 import { Card, CardContent, CardHeader, CardTitle } from "@/components/ui/card";
@@ -52,6 +52,7 @@ const STATUS_LABELS: Record<ProjectStatus, string> = {
 };
 
 type ViewMode = "month" | "quarter" | "year";
+type TimeRange = "future" | "past" | "all";
 
 function getProjectColor(index: number) {
   return PROJECT_COLORS[index % PROJECT_COLORS.length];
@@ -97,6 +98,7 @@ export default function GanttPage() {
   const [error, setError] = useState<string | null>(null);
   const [viewMode, setViewMode] = useState<ViewMode>("month");
   const [statusFilter, setStatusFilter] = useState<string>("all");
+  const [timeRange, setTimeRange] = useState<TimeRange>("future");
   const [viewOffset, setViewOffset] = useState(0);
 
   useEffect(() => {
@@ -118,42 +120,110 @@ export default function GanttPage() {
 
   // Filtrar proyectos
   const filteredProjects = useMemo(() => {
-    if (statusFilter === "all") return projects;
+    let filtered = projects;
-    return projects.filter(p => p.status === statusFilter);
-  }, [projects, statusFilter]);
     
-  // Calcular rango de fechas del timeline
+    // Filtrar por estado
-  const { timelineStart, timelineEnd, months } = useMemo(() => {
+    if (statusFilter !== "all") {
-    if (filteredProjects.length === 0) {
+      filtered = filtered.filter(p => p.status === statusFilter);
+    }
+    
+    // Filtrar por rango temporal
     const now = new Date();
+    const today = new Date(now.getFullYear(), now.getMonth(), now.getDate());
+    
+    if (timeRange === "future") {
+      // Proyectos que terminan hoy o en el futuro
+      filtered = filtered.filter(p => new Date(p.endDate) >= today);
+    } else if (timeRange === "past") {
+      // Proyectos que ya terminaron
+      filtered = filtered.filter(p => new Date(p.endDate) < today);
+    }
+    // "all" no filtra
+    
+    return filtered;
+  }, [projects, statusFilter, timeRange]);
+
+  // Calcular rango de fechas del timeline basado en los proyectos
+  // - Futuro: desde el mes actual hasta el fin del proyecto más tardío
+  // - Pasado: desde el inicio del proyecto más antiguo hasta el mes actual
+  // - Todo: desde el inicio del proyecto más antiguo hasta el fin del más tardío
+  const { timelineStart, timelineEnd, months } = useMemo(() => {
+    const now = new Date();
+    const currentMonthStart = new Date(now.getFullYear(), now.getMonth(), 1);
+    const currentMonthEnd = new Date(now.getFullYear(), now.getMonth() + 1, 0);
+    
+    // Si no hay proyectos, mostrar 12 meses desde el actual
+    if (filteredProjects.length === 0) {
+      const start = new Date(now.getFullYear(), now.getMonth() - 6, 1);
+      const end = new Date(now.getFullYear(), now.getMonth() + 6, 0);
       return {
-        timelineStart: new Date(now.getFullYear(), now.getMonth(), 1),
+        timelineStart: start,
-        timelineEnd: new Date(now.getFullYear(), now.getMonth() + 6, 0),
+        timelineEnd: end,
-        months: [],
+        months: getMonthsBetween(start, end),
       };
     }
     
-    const allDates = filteredProjects.flatMap(p => [new Date(p.startDate), new Date(p.endDate)]);
+    // Calcular fechas extremas de los proyectos
-    const minDate = new Date(Math.min(...allDates.map(d => d.getTime())));
+    const allStartDates = filteredProjects.map(p => new Date(p.startDate));
-    const maxDate = new Date(Math.max(...allDates.map(d => d.getTime())));
+    const allEndDates = filteredProjects.map(p => new Date(p.endDate));
+    const minProjectStart = new Date(Math.min(...allStartDates.map(d => d.getTime())));
+    const maxProjectEnd = new Date(Math.max(...allEndDates.map(d => d.getTime())));
     
-    // Añadir margen de un mes antes y después
+    if (timeRange === "future") {
-    const start = new Date(minDate.getFullYear(), minDate.getMonth() - 1, 1);
+      // Desde el mes actual hasta el fin del proyecto más tardío
-    const end = new Date(maxDate.getFullYear(), maxDate.getMonth() + 2, 0);
+      const start = currentMonthStart;
+      const end = new Date(maxProjectEnd.getFullYear(), maxProjectEnd.getMonth() + 1, 0);
       
       return {
         timelineStart: start,
         timelineEnd: end,
         months: getMonthsBetween(start, end),
       };
-  }, [filteredProjects]);
+    } else if (timeRange === "past") {
+      // Desde el inicio del proyecto más antiguo hasta el mes actual
+      const start = new Date(minProjectStart.getFullYear(), minProjectStart.getMonth(), 1);
+      const end = currentMonthEnd;
+      
+      return {
+        timelineStart: start,
+        timelineEnd: end,
+        months: getMonthsBetween(start, end),
+      };
+    } else {
+      // "all" - Desde el inicio del proyecto más antiguo hasta el fin del más tardío
+      const start = new Date(minProjectStart.getFullYear(), minProjectStart.getMonth(), 1);
+      const end = new Date(maxProjectEnd.getFullYear(), maxProjectEnd.getMonth() + 1, 0);
+      
+      return {
+        timelineStart: start,
+        timelineEnd: end,
+        months: getMonthsBetween(start, end),
+      };
+    }
+  }, [filteredProjects, timeRange]);
 
   // Calcular meses visibles según el modo de vista
+  // En modo "todo", mostrar TODOS los meses (scroll horizontal en el timeline)
+  // En modo "pasado", empezamos desde los meses más recientes
   const visibleMonths = useMemo(() => {
+    // En modo "todo", mostrar todos los meses
+    if (timeRange === "all") {
+      return months;
+    }
+    
     const monthsToShow = viewMode === "month" ? 3 : viewMode === "quarter" ? 6 : 12;
+    
+    if (timeRange === "past") {
+      // En pasado, viewOffset 0 = meses más recientes (final del array)
+      const maxOffset = Math.max(0, months.length - monthsToShow);
+      const startIdx = Math.max(0, maxOffset - viewOffset);
+      return months.slice(startIdx, startIdx + monthsToShow);
+    } else {
+      // En futuro, viewOffset 0 = primeros meses
       const startIdx = Math.max(0, Math.min(viewOffset, months.length - monthsToShow));
       return months.slice(startIdx, startIdx + monthsToShow);
-  }, [months, viewMode, viewOffset]);
+    }
+  }, [months, viewMode, viewOffset, timeRange]);
 
   // Calcular el ancho total en días para los meses visibles
   const { totalDays, visibleStart, visibleEnd } = useMemo(() => {
@@ -174,8 +244,10 @@ export default function GanttPage() {
   }, [visibleMonths]);
 
   // Navegación
+  const monthsToShow = viewMode === "month" ? 3 : viewMode === "quarter" ? 6 : 12;
+  const maxOffset = Math.max(0, months.length - monthsToShow);
   const canGoBack = viewOffset > 0;
-  const canGoForward = viewOffset + (viewMode === "month" ? 3 : viewMode === "quarter" ? 6 : 12) < months.length;
+  const canGoForward = viewOffset < maxOffset;
 
   const goBack = () => {
     const step = viewMode === "month" ? 1 : viewMode === "quarter" ? 3 : 6;
@@ -184,16 +256,11 @@ export default function GanttPage() {
 
   const goForward = () => {
     const step = viewMode === "month" ? 1 : viewMode === "quarter" ? 3 : 6;
-    const maxOffset = Math.max(0, months.length - (viewMode === "month" ? 3 : viewMode === "quarter" ? 6 : 12));
     setViewOffset(Math.min(maxOffset, viewOffset + step));
   };
 
   const goToToday = () => {
-    const now = new Date();
+    setViewOffset(0); // Volver al mes actual
-    const todayIndex = months.findIndex(m => m.month === now.getMonth() && m.year === now.getFullYear());
-    if (todayIndex >= 0) {
-      setViewOffset(Math.max(0, todayIndex - 1));
-    }
   };
 
   if (error) {
@@ -214,11 +281,11 @@ export default function GanttPage() {
   }
 
   return (
-    <div className="min-h-screen bg-gradient-to-br from-gray-50 to-gray-100">
+    <div className="h-screen flex flex-col bg-gradient-to-br from-gray-50 to-gray-100">
-      {/* Header */}
+      {/* Header - siempre visible */}
-      <header className="bg-white border-b border-gray-200 sticky top-0 z-10">
+      <header className="bg-white border-b border-gray-200 flex-shrink-0 z-10">
-        <div className="max-w-full mx-auto px-4 sm:px-6 lg:px-8 py-4">
+        <div className="px-4 sm:px-6 lg:px-8 py-4">
-          <div className="flex items-center justify-between">
+          <div className="flex items-center justify-between flex-wrap gap-4">
             <div className="flex items-center gap-3">
               <div className="p-2 bg-gradient-to-r from-blue-500 to-purple-600 rounded-lg">
                 <GanttIcon className="w-6 h-6 text-white" />
@@ -232,7 +299,7 @@ export default function GanttPage() {
             </div>
 
             {/* Controles */}
-            <div className="flex items-center gap-3">
+            <div className="flex items-center gap-3 flex-wrap">
               {/* Filtro de estado */}
               <Select value={statusFilter} onValueChange={setStatusFilter}>
                 <SelectTrigger className="w-40">
@@ -247,6 +314,34 @@ export default function GanttPage() {
                 </SelectContent>
               </Select>
 
+              {/* Selector de rango temporal */}
+              <div className="flex items-center gap-1 border rounded-lg p-1">
+                <Button
+                  variant={timeRange === "past" ? "default" : "ghost"}
+                  size="sm"
+                  onClick={() => { setTimeRange("past"); setViewOffset(0); }}
+                >
+                  <History className="w-4 h-4 mr-1" />
+                  Pasado
+                </Button>
+                <Button
+                  variant={timeRange === "future" ? "default" : "ghost"}
+                  size="sm"
+                  onClick={() => { setTimeRange("future"); setViewOffset(0); }}
+                >
+                  <Clock className="w-4 h-4 mr-1" />
+                  Futuro
+                </Button>
+                <Button
+                  variant={timeRange === "all" ? "default" : "ghost"}
+                  size="sm"
+                  onClick={() => { setTimeRange("all"); setViewOffset(0); }}
+                >
+                  <Calendar className="w-4 h-4 mr-1" />
+                  Todo
+                </Button>
+              </div>
+
               {/* Selector de vista */}
               <Select value={viewMode} onValueChange={(v: ViewMode) => setViewMode(v)}>
                 <SelectTrigger className="w-32">
@@ -264,9 +359,9 @@ export default function GanttPage() {
                 <Button variant="outline" size="icon" onClick={goBack} disabled={!canGoBack}>
                   <ChevronLeft className="w-4 h-4" />
                 </Button>
-                <Button variant="outline" size="sm" onClick={goToToday}>
+                <Button variant="outline" size="sm" onClick={goToToday} disabled={viewOffset === 0}>
                   <Calendar className="w-4 h-4 mr-1" />
-                  Hoy
+                  Inicio
                 </Button>
                 <Button variant="outline" size="icon" onClick={goForward} disabled={!canGoForward}>
                   <ChevronRight className="w-4 h-4" />
@@ -277,8 +372,8 @@ export default function GanttPage() {
         </div>
       </header>
 
-      {/* Content */}
+      {/* Content - área scrollable */}
-      <main className="max-w-full mx-auto px-4 sm:px-6 lg:px-8 py-6">
+      <main className="flex-1 overflow-auto px-4 sm:px-6 lg:px-8 py-6">
         {loading ? (
           <GanttSkeleton />
         ) : filteredProjects.length === 0 ? (
@@ -290,10 +385,10 @@ export default function GanttPage() {
             </CardContent>
           </Card>
         ) : (
-          <Card className="border-gray-200 overflow-hidden">
+          <Card className="border-gray-200 w-full">
-            <CardContent className="p-0">
+            <CardContent className="p-0 overflow-hidden">
-              <div className="flex">
+              <div className="flex w-full overflow-hidden">
-                {/* Columna de nombres de proyectos */}
+                {/* Columna de nombres de proyectos - fija */}
                 <div className="w-64 flex-shrink-0 border-r border-gray-200 bg-gray-50">
                   {/* Header */}
                   <div className="h-16 border-b border-gray-200 flex items-center px-4">
@@ -321,27 +416,27 @@ export default function GanttPage() {
                   })}
                 </div>
 
-                {/* Timeline */}
+                {/* Timeline - scroll horizontal en modo "todo" */}
-                <div className="flex-1 overflow-x-auto">
+                <div 
+                  className={`${timeRange === "all" ? "overflow-x-auto overflow-y-hidden" : "overflow-hidden"}`}
+                  style={{ width: "calc(100% - 256px)" }}
+                >
+                  <div style={{ width: timeRange === "all" ? `${visibleMonths.length * 100}px` : "100%" }}>
                     {/* Header con meses */}
                     <div className="h-16 border-b border-gray-200 flex">
-                    {visibleMonths.map((month, idx) => {
+                      {visibleMonths.map((month) => {
-                      const daysInMonth = getDaysInMonth(month.month, month.year);
-                      const widthPercent = (daysInMonth / totalDays) * 100;
                         const isCurrentMonth = new Date().getMonth() === month.month && new Date().getFullYear() === month.year;
                         
                         return (
                           <div
                             key={`${month.year}-${month.month}`}
-                          className={`flex-shrink-0 border-r border-gray-200 flex flex-col justify-center px-2 ${
+                            className={`flex-1 border-r border-gray-200 flex flex-col justify-center px-2 ${
                               isCurrentMonth ? "bg-blue-50" : "bg-white"
                             }`}
-                          style={{ width: `${widthPercent}%`, minWidth: "80px" }}
                           >
                             <span className={`text-xs font-medium ${isCurrentMonth ? "text-blue-700" : "text-gray-600"}`}>
                               {month.label}
                             </span>
-                          <span className="text-xs text-gray-400">{daysInMonth} días</span>
                           </div>
                         );
                       })}
@@ -354,7 +449,7 @@ export default function GanttPage() {
                         const projectStart = new Date(project.startDate);
                         const projectEnd = new Date(project.endDate);
                         
-                      // Calcular posición y ancho de la barra
+                        // Calcular posición y ancho de la barra basado en días
                         const startOffset = Math.max(0, getDaysBetween(visibleStart, projectStart));
                         const endOffset = Math.min(totalDays, getDaysBetween(visibleStart, projectEnd));
                         
@@ -372,18 +467,15 @@ export default function GanttPage() {
                           >
                             {/* Grid de meses */}
                             <div className="absolute inset-0 flex">
-                            {visibleMonths.map((month, idx) => {
+                              {visibleMonths.map((month) => {
-                              const daysInMonth = getDaysInMonth(month.month, month.year);
-                              const monthWidthPercent = (daysInMonth / totalDays) * 100;
                                 const isCurrentMonth = new Date().getMonth() === month.month && new Date().getFullYear() === month.year;
                                 
                                 return (
                                   <div
                                     key={`grid-${month.year}-${month.month}`}
-                                  className={`flex-shrink-0 border-r border-gray-100 ${
+                                    className={`flex-1 border-r border-gray-100 ${
                                       isCurrentMonth ? "bg-blue-50/30" : ""
                                     }`}
-                                  style={{ width: `${monthWidthPercent}%`, minWidth: "80px" }}
                                   />
                                 );
                               })}
@@ -443,29 +535,10 @@ export default function GanttPage() {
                     </TooltipProvider>
                   </div>
                 </div>
+              </div>
             </CardContent>
           </Card>
         )}
-
-        {/* Leyenda */}
-        {!loading && filteredProjects.length > 0 && (
-          <div className="mt-6 flex flex-wrap items-center gap-6">
-            <div className="flex items-center gap-2">
-              <div className="w-16 h-4 bg-gray-200 rounded relative overflow-hidden">
-                <div className="absolute inset-y-0 left-0 w-1/2 bg-blue-500 rounded" />
-              </div>
-              <span className="text-sm text-gray-600">Progreso del proyecto</span>
-            </div>
-            <div className="flex items-center gap-2">
-              <div className="w-4 h-4 bg-blue-50 border-2 border-blue-500 rounded" />
-              <span className="text-sm text-gray-600">Mes actual</span>
-            </div>
-            <div className="flex items-center gap-2">
-              <div className="w-4 h-4 bg-gray-200 ring-2 ring-red-400 rounded" />
-              <span className="text-sm text-gray-600">Proyecto retrasado</span>
-            </div>
-          </div>
-        )}
       </main>
     </div>
   );

components/statistics/statistics-page.tsx

@@ -299,7 +299,10 @@ function BudgetBarChart({ projects, title, maxItems = 6 }: BudgetBarChartProps)
               <XAxis type="number" tickFormatter={(v) => `${(v / 1000).toFixed(0)}k`} fontSize={11} />
               <YAxis type="category" dataKey="name" width={100} fontSize={10} />
               <Tooltip 
-                formatter={(value, name) => [`€${Number(value ?? 0).toLocaleString("es-ES")}`, name === 'presupuesto' ? 'Presupuesto' : 'Gastado']}
+                formatter={(value, name) => {
+                  const label = name === 'presupuesto' ? 'Presupuesto' : name === 'gastado' ? 'Gastado' : String(name);
+                  return [`€${Number(value ?? 0).toLocaleString("es-ES")}`, label];
+                }}
                 labelFormatter={(label, payload) => payload?.[0]?.payload?.fullName || label}
                 contentStyle={{ fontSize: '12px' }}
               />