feat: filtro de tickets por uno, varios o todos los estados

frontend/src/app/(app)/tickets/page.tsx

@@ -1,6 +1,6 @@
 "use client";
 
-import { useEffect, useState, Suspense } from "react";
+import { useEffect, useRef, useState, Suspense } from "react";
 import { useRouter, useSearchParams } from "next/navigation";
 import { getTickets, type Ticket } from "@/lib/api";
 import { useAuth } from "@/lib/auth";
@@ -12,6 +12,48 @@ import Link from "next/link";
 
 type View = "all" | "mine" | "assigned" | "unassigned";
 
+const STATUS_OPTIONS = [
+  { value: "Open", label: "Abierto" },
+  { value: "Pending", label: "Pendiente" },
+  { value: "InProgress", label: "En Progreso" },
+  { value: "Resolved", label: "Resuelto" },
+  { value: "Closed", label: "Cerrado" },
+] as const;
+
+// Normaliza un valor de estado (URL, dashboard, backend) al canónico del filtro.
+function canonStatus(v: string): string | null {
+  const k = v.trim().toLowerCase().replace(/_/g, "").replace(/\s+/g, "");
+  switch (k) {
+    case "open":
+    case "abierto":
+    case "nuevo":
+    case "1":
+      return "Open";
+    case "pending":
+    case "pendiente":
+    case "2":
+      return "Pending";
+    case "inprogress":
+    case "enprogreso":
+    case "3":
+      return "InProgress";
+    case "resolved":
+    case "resuelto":
+    case "4":
+      return "Resolved";
+    case "closed":
+    case "cerrado":
+    case "5":
+      return "Closed";
+    default:
+      return null;
+  }
+}
+
+function statusLabel(v: string): string {
+  return STATUS_OPTIONS.find((o) => o.value === v)?.label ?? v;
+}
+
 function TicketsContent() {
   const router = useRouter();
   const searchParams = useSearchParams();
@@ -21,20 +63,43 @@ function TicketsContent() {
   const [page, setPage] = useState(1);
   const [loading, setLoading] = useState(true);
   const [view, setView] = useState<View>("all");
-  const [statusFilter, setStatusFilter] = useState("");
+  // Vacío = Todos los estados. Con 1 o más = filtra por esos estados.
+  const [statusFilters, setStatusFilters] = useState<string[]>([]);
+  const [statusOpen, setStatusOpen] = useState(false);
+  const statusRef = useRef<HTMLDivElement>(null);
   const [priorityFilter, setPriorityFilter] = useState("");
   const [search, setSearch] = useState("");
   const pageSize = 10;
 
+  // Cierra el desplegable de estados al hacer clic fuera.
+  useEffect(() => {
+    const onDown = (e: MouseEvent) => {
+      if (statusRef.current && !statusRef.current.contains(e.target as Node)) {
+        setStatusOpen(false);
+      }
+    };
+    document.addEventListener("mousedown", onDown);
+    return () => document.removeEventListener("mousedown", onDown);
+  }, []);
+
   // Filtros iniciales desde la URL (los usa el Dashboard al presionar tarjetas).
+  // Acepta ?status=Open, ?status=Open,Resolved y ?status=Open&status=Resolved.
   // Diferido (no sincrónico en el effect) para no disparar cascading renders.
   useEffect(() => {
-    const status = searchParams.get("status") ?? "";
+    const raw = searchParams
+      .getAll("status")
+      .flatMap((v) => v.split(","))
+      .map((v) => canonStatus(v))
+      .filter((v): v is string => v !== null);
+    const unique = [...new Set(raw)];
+    // Si vienen todos marcados equivale a Todos (sin filtro).
+    const normalized =
+      unique.length >= STATUS_OPTIONS.length ? [] : unique;
     const priority = searchParams.get("priority") ?? "";
     const viewParam = searchParams.get("view") as View | null;
     const q = searchParams.get("search") ?? "";
     queueMicrotask(() => {
-      setStatusFilter(status);
+      setStatusFilters(normalized);
       setPriorityFilter(priority);
       if (viewParam === "mine" || viewParam === "assigned" || viewParam === "unassigned" || viewParam === "all") {
         setView(viewParam);
@@ -51,7 +116,7 @@ function TicketsContent() {
 
   useEffect(() => {
     getTickets({
-      status: statusFilter || undefined,
+      status: statusFilters.length > 0 ? statusFilters : undefined,
       priority: priorityFilter || undefined,
       requesterId: view === "mine" || !isTeam ? (hasNumericId ? numericId : undefined) : undefined,
       assigneeId:
@@ -73,13 +138,40 @@ function TicketsContent() {
         setTotal(0);
       })
       .finally(() => setLoading(false));
-  }, [statusFilter, priorityFilter, search, page, view, numericId, hasNumericId, isTeam]);
+  }, [statusFilters, priorityFilter, search, page, view, numericId, hasNumericId, isTeam]);
 
   const totalPages = Math.ceil(total / pageSize);
-  const hasActiveFilters = statusFilter !== "" || priorityFilter !== "" || view !== "all" || search !== "";
+  const hasActiveFilters = statusFilters.length > 0 || priorityFilter !== "" || view !== "all" || search !== "";
+
+  const toggleStatus = (value: string) => {
+    setStatusFilters((prev) => {
+      const next = prev.includes(value)
+        ? prev.filter((v) => v !== value)
+        : [...prev, value];
+      // Todos marcados equivale a Todos (sin filtro).
+      if (next.length >= STATUS_OPTIONS.length) return [];
+      return next;
+    });
+    setPage(1);
+    setLoading(true);
+  };
+
+  const selectAllStatuses = () => {
+    setStatusFilters([]);
+    setPage(1);
+    setLoading(true);
+  };
+
+  const statusButtonLabel =
+    statusFilters.length === 0
+      ? "Todos los estados"
+      : statusFilters.length === 1
+        ? statusLabel(statusFilters[0])
+        : `${statusFilters.length} estados`;
 
   const clearFilters = () => {
-    setStatusFilter("");
+    setStatusFilters([]);
+    setStatusOpen(false);
     setPriorityFilter("");
     setView("all");
     setSearch("");
@@ -117,7 +209,7 @@ function TicketsContent() {
           <span>
             <i className="bi bi-funnel-fill me-2"></i>
             Vista filtrada
-            {statusFilter && <> · Estado: <strong>{statusFilter}</strong></>}
+            {statusFilters.length > 0 && <> · Estado: <strong>{statusFilters.map(statusLabel).join(", ")}</strong></>}
             {priorityFilter && <> · Prioridad: <strong>{priorityFilter}</strong></>}
             {view !== "all" && <> · Vista: <strong>{view === "unassigned" ? "Sin asignar" : view}</strong></>}
             {search && <> · Búsqueda: <strong>{search}</strong></>}
@@ -167,19 +259,56 @@ function TicketsContent() {
           <span className="fw-semibold" style={{ fontSize: "0.85rem" }}>Filtros:</span>
         </div>
 
-        <select
-          className="form-select"
-          style={{ width: "auto" }}
-          value={statusFilter}
-          onChange={(e) => { setStatusFilter(e.target.value); setPage(1); setLoading(true); }}
-        >
-          <option value="">Todos los estados</option>
-          <option value="Open">Abierto</option>
-          <option value="Pending">Pendiente</option>
-          <option value="InProgress">En Progreso</option>
-          <option value="Resolved">Resuelto</option>
-          <option value="Closed">Cerrado</option>
-        </select>
+        <div className="position-relative" ref={statusRef}>
+          <button
+            type="button"
+            className="form-select d-flex align-items-center justify-content-between gap-2"
+            style={{ width: "auto", minWidth: "190px", textAlign: "left" }}
+            aria-haspopup="listbox"
+            aria-expanded={statusOpen}
+            onClick={() => setStatusOpen((o) => !o)}
+          >
+            <span className="text-truncate">{statusButtonLabel}</span>
+            <i className={`bi ${statusOpen ? "bi-chevron-up" : "bi-chevron-down"} text-muted`}></i>
+          </button>
+          {statusOpen && (
+            <div
+              className="card shadow-sm position-absolute mt-1 p-2"
+              role="listbox"
+              aria-label="Filtrar por estado"
+              style={{ zIndex: 30, minWidth: "220px" }}
+            >
+              <label
+                className="d-flex align-items-center gap-2 px-2 py-1 rounded fw-semibold"
+                style={{ cursor: "pointer", fontSize: "0.85rem" }}
+              >
+                <input
+                  type="checkbox"
+                  className="form-check-input m-0"
+                  checked={statusFilters.length === 0}
+                  onChange={selectAllStatuses}
+                />
+                Todos
+              </label>
+              <hr className="my-1" />
+              {STATUS_OPTIONS.map((opt) => (
+                <label
+                  key={opt.value}
+                  className="d-flex align-items-center gap-2 px-2 py-1 rounded"
+                  style={{ cursor: "pointer", fontSize: "0.85rem" }}
+                >
+                  <input
+                    type="checkbox"
+                    className="form-check-input m-0"
+                    checked={statusFilters.includes(opt.value)}
+                    onChange={() => toggleStatus(opt.value)}
+                  />
+                  {opt.label}
+                </label>
+              ))}
+            </div>
+          )}
+        </div>
 
         <select
           className="form-select"