updating the layout based on the endpoints

src/App.tsx

@@ -1,17 +1,15 @@
-import { useState } from "react";
-import { defaultBackendPreference } from "@api/backendConfig";
 import { usePathname } from "@hooks/usePathname";
 import { AppLayout } from "@layouts/AppLayout";
 import { CompaniesPage } from "@pages/CompaniesPage";
 import { HomePage } from "@pages/HomePage";
 import { SchedulePage } from "@pages/SchedulePage";
 import { UsersPage } from "@pages/UsersPage";
-import type { BackendPreference } from "@/types/backend";
+import { useBackendPreferenceStore } from "./store/backendPreferenceStore";
 
 function App() {
   const [pathname, navigate] = usePathname();
-  const [backendPreference, setBackendPreference] =
+  const backendPreference = useBackendPreferenceStore((state) => state.backendPreference);
-    useState<BackendPreference>(defaultBackendPreference);
+  const setBackendPreference = useBackendPreferenceStore((state) => state.setBackendPreference);
 
   const renderPage = () => {
     switch (pathname) {
@@ -22,7 +20,7 @@ function App() {
       case "/companies":
         return <CompaniesPage backendPreference={backendPreference} />;
       default:
-        return <HomePage backendPreference={backendPreference} />;
+        return <HomePage backendPreference={backendPreference} onNavigate={navigate} />;
     }
   };
 

src/api/apiClient.ts

@@ -5,6 +5,58 @@ type ApiRequestOptions = RequestInit & {
   backendPreference: BackendPreference;
 };
 
+function formatErrorValue(value: unknown): string | null {
+  if (typeof value === "string") {
+    return value;
+  }
+
+  if (Array.isArray(value)) {
+    return value.map(formatErrorValue).filter(Boolean).join(", ") || null;
+  }
+
+  if (value && typeof value === "object") {
+    return Object.entries(value)
+      .map(([key, entryValue]) => {
+        const formattedValue = formatErrorValue(entryValue);
+
+        return formattedValue ? `${key}: ${formattedValue}` : null;
+      })
+      .filter(Boolean)
+      .join(", ") || null;
+  }
+
+  if (value == null) {
+    return null;
+  }
+
+  return String(value);
+}
+
+function getErrorMessage(responseText: string, status: number): string {
+  if (!responseText) {
+    return `API request failed with status ${status}`;
+  }
+
+  try {
+    const parsedResponse = JSON.parse(responseText) as unknown;
+
+    if (parsedResponse && typeof parsedResponse === "object" && !Array.isArray(parsedResponse)) {
+      const errorResponse = parsedResponse as Record<string, unknown>;
+      const message =
+        formatErrorValue(errorResponse.message) ??
+        formatErrorValue(errorResponse.error) ??
+        formatErrorValue(errorResponse.detail) ??
+        formatErrorValue(errorResponse);
+
+      return message ?? `API request failed with status ${status}`;
+    }
+
+    return formatErrorValue(parsedResponse) ?? `API request failed with status ${status}`;
+  } catch {
+    return responseText;
+  }
+}
+
 export function buildApiUrl(backendPreference: BackendPreference, endpoint: string): string {
   const backend = getBackendOption(backendPreference);
   return `${backend.baseUrl}${endpoint}`;
@@ -22,12 +74,12 @@ export async function apiRequest<TResponse>(
     },
   });
 
-  if (!response.ok) {
-    throw new Error(`API request failed with status ${response.status}`);
-  }
-
   const responseText = await response.text();
 
+  if (!response.ok) {
+    throw new Error(getErrorMessage(responseText, response.status));
+  }
+
   if (response.status === 204 || !responseText) {
     return undefined as TResponse;
   }

src/pages/CompaniesPage.module.scss

@@ -6,6 +6,7 @@
   padding: 12px 18px;
   cursor: pointer;
   font-weight: 700;
+  height: 40px;
   white-space: nowrap;
 }
 
@@ -43,6 +44,8 @@
   background: #ffffff;
   border-radius: 24px;
   box-shadow: 0 20px 50px rgba(17, 24, 39, 0.08);
+  justify-content: space-between;
+  align-items: center;
 
   h3,
   p {

src/pages/HomePage.module.scss

@@ -5,10 +5,29 @@
 }
 
 .card {
+  width: 100%;
+  border: 0;
   padding: 24px;
+  text-align: left;
   background: #ffffff;
   border-radius: 24px;
   box-shadow: 0 20px 50px rgba(17, 24, 39, 0.08);
+  cursor: pointer;
+  font: inherit;
+  transition:
+    transform 0.18s ease,
+    box-shadow 0.18s ease;
+
+  &:hover,
+  &:focus-visible {
+    transform: translateY(-2px);
+    box-shadow: 0 24px 58px rgba(17, 24, 39, 0.12);
+  }
+
+  &:focus-visible {
+    outline: 3px solid #93c5fd;
+    outline-offset: 3px;
+  }
 
   span {
     display: block;

src/pages/HomePage.tsx

@@ -11,9 +11,10 @@ import styles from "./HomePage.module.scss";
 
 type HomePageProps = {
   backendPreference: BackendPreference;
+  onNavigate: (path: string) => void;
 };
 
-export function HomePage({ backendPreference }: HomePageProps) {
+export function HomePage({ backendPreference, onNavigate }: HomePageProps) {
   const [companies, setCompanies] = useState<Company[]>([]);
   const [schedules, setSchedules] = useState<Schedule[]>([]);
   const [users, setUsers] = useState<Employee[]>([]);
@@ -77,18 +78,18 @@ export function HomePage({ backendPreference }: HomePageProps) {
       {error ? <p className={styles.error}>{error}</p> : null}
       {isLoading ? <p className={styles.muted}>Loading dashboard...</p> : null}
       <section className={styles.statsGrid} aria-label="Dashboard overview">
-        <article className={styles.card}>
+        <button className={styles.card} onClick={() => onNavigate("/users")} type="button">
           <span>Total users</span>
           <strong>{users.length}</strong>
-        </article>
+        </button>
-        <article className={styles.card}>
+        <button className={styles.card} onClick={() => onNavigate("/schedule")} type="button">
           <span>Working today</span>
           <strong>{workingToday}</strong>
-        </article>
+        </button>
-        <article className={styles.card}>
+        <button className={styles.card} onClick={() => onNavigate("/companies")} type="button">
           <span>Companies</span>
           <strong>{companies.length}</strong>
-        </article>
+        </button>
       </section>
     </>
   );

src/pages/UsersPage.module.scss

@@ -18,6 +18,11 @@
   background: #ffffff;
   color: #172033;
   box-shadow: inset 0 0 0 1px #d9e1ec;
+
+  &:disabled {
+    cursor: not-allowed;
+    opacity: 0.45;
+  }
 }
 
 .actionGroup {
@@ -50,6 +55,34 @@
   box-shadow: 0 20px 50px rgba(17, 24, 39, 0.08);
 }
 
+.usersToolbar {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 12px;
+  justify-content: flex-end;
+  margin: 0 0 20px;
+}
+
+.companyFilter {
+  display: grid;
+  gap: 8px;
+  min-width: min(320px, 100%);
+  color: #687487;
+  font-size: 0.88rem;
+  font-weight: 700;
+
+  select {
+    width: 100%;
+    border: 0;
+    border-radius: 14px;
+    padding: 11px 14px;
+    color: #1f2937;
+    background: #ffffff;
+    box-shadow: 0 14px 35px rgba(17, 24, 39, 0.07);
+    font: inherit;
+  }
+}
+
 .tableScroll {
   overflow-x: auto;
 }
@@ -58,6 +91,20 @@
   width: 100%;
   border-collapse: collapse;
   min-width: 760px;
+  table-layout: fixed;
+
+  thead,
+  tbody tr {
+    display: table;
+    width: 100%;
+    table-layout: fixed;
+  }
+
+  tbody {
+    display: block;
+    max-height: 520px;
+    overflow-y: auto;
+  }
 
   th,
   td {
@@ -83,6 +130,22 @@
   }
 }
 
+.pagination {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: 16px;
+  padding: 16px 18px;
+  color: #687487;
+  font-weight: 700;
+}
+
+.paginationActions {
+  display: flex;
+  align-items: center;
+  gap: 12px;
+}
+
 .selectedRow {
   background: #eef4ff;
 }

src/pages/UsersPage.tsx

@@ -18,20 +18,51 @@ type UsersPageProps = {
 type UserStatus = "off-duty" | "working" | "worked";
 
 const workTimeOptions: WorkTime[] = ["morning", "afternoon", "evening"];
+const statusOptions: UserStatus[] = ["off-duty", "working", "worked"];
+const usersPerPage = 10;
 
-function getUserStatus(schedules: Schedule[]): UserStatus {
+function isSameLocalDate(firstDate: Date, secondDate: Date): boolean {
-  const hasCheckIn = schedules.some((schedule) => schedule.enter_time);
+  return (
-  const hasActiveShift = schedules.some((schedule) => schedule.enter_time && !schedule.out_time);
+    firstDate.getFullYear() === secondDate.getFullYear() &&
-
+    firstDate.getMonth() === secondDate.getMonth() &&
-  if (hasActiveShift) {
+    firstDate.getDate() === secondDate.getDate()
-    return "working";
+  );
 }
 
-  if (hasCheckIn) {
+function getTodaySchedules(schedules: Schedule[], today: Date): Schedule[] {
+  return schedules.filter((schedule) => {
+    if (!schedule.enter_time) {
+      return false;
+    }
+
+    const enterDate = new Date(schedule.enter_time);
+
+    return !Number.isNaN(enterDate.getTime()) && isSameLocalDate(enterDate, today);
+  });
+}
+
+function getLatestSchedule(schedules: Schedule[]): Schedule | undefined {
+  return [...schedules].sort((firstSchedule, secondSchedule) => {
+    const firstTime = firstSchedule.enter_time ? new Date(firstSchedule.enter_time).getTime() : 0;
+    const secondTime = secondSchedule.enter_time ? new Date(secondSchedule.enter_time).getTime() : 0;
+
+    return firstTime - secondTime;
+  }).at(-1);
+}
+
+function getUserStatus(schedules: Schedule[], today: Date): UserStatus {
+  const todaySchedules = getTodaySchedules(schedules, today);
+  const latestSchedule = getLatestSchedule(todaySchedules);
+
+  if (!latestSchedule?.enter_time) {
+    return "off-duty";
+  }
+
+  if (latestSchedule.out_time) {
     return "worked";
   }
 
-  return "off-duty";
+  return "working";
 }
 
 function getStatusLabel(status: UserStatus): string {
@@ -54,6 +85,30 @@ function formatDateTime(value: string | null): string {
   return new Date(value).toLocaleString();
 }
 
+function getNameScheduleKey(name: string, lastName: string): string {
+  return `name:${name.trim().toLowerCase()}:${lastName.trim().toLowerCase()}`;
+}
+
+function getEmployeeScheduleKeys(user: Employee): string[] {
+  return [`id:${user.id}`, getNameScheduleKey(user.name, user.last_name)];
+}
+
+function getScheduleUserKey(schedule: Schedule): string | null {
+  if (typeof schedule.user_id === "number") {
+    return `id:${schedule.user_id}`;
+  }
+
+  if (schedule.user) {
+    return getNameScheduleKey(schedule.user.name, schedule.user.last_name);
+  }
+
+  return null;
+}
+
+function getSchedulesForUser(user: Employee, schedulesByUser: Record<string, Schedule[]>): Schedule[] {
+  return getEmployeeScheduleKeys(user).flatMap((key) => schedulesByUser[key] ?? []);
+}
+
 export function UsersPage({ backendPreference }: UsersPageProps) {
   const [companies, setCompanies] = useState<Company[]>([]);
   const [schedules, setSchedules] = useState<Schedule[]>([]);
@@ -71,20 +126,42 @@ export function UsersPage({ backendPreference }: UsersPageProps) {
   const [savingActionUserId, setSavingActionUserId] = useState<number | null>(null);
   const [isLoading, setIsLoading] = useState(true);
   const [isSaving, setIsSaving] = useState(false);
+  const [currentPage, setCurrentPage] = useState(1);
+  const [selectedCompanyId, setSelectedCompanyId] = useState("");
+  const [selectedStatus, setSelectedStatus] = useState<UserStatus | "">("");
 
   const selectedUser = users.find((user) => user.id === selectedUserId) ?? null;
+  const today = new Date();
 
   const schedulesByUser = useMemo(() => {
-    return schedules.reduce<Record<number, Schedule[]>>((accumulator, schedule) => {
+    return schedules.reduce<Record<string, Schedule[]>>((accumulator, schedule) => {
-      if (typeof schedule.user_id !== "number") {
+      const userKey = getScheduleUserKey(schedule);
+
+      if (!userKey) {
         return accumulator;
       }
 
-      accumulator[schedule.user_id] = [...(accumulator[schedule.user_id] ?? []), schedule];
+      accumulator[userKey] = [...(accumulator[userKey] ?? []), schedule];
       return accumulator;
     }, {});
   }, [schedules]);
 
+  const filteredUsers = users.filter((user) => {
+    if (selectedCompanyId && user.company_id !== Number(selectedCompanyId)) {
+      return false;
+    }
+
+    if (selectedStatus && getUserStatus(getSchedulesForUser(user, schedulesByUser), today) !== selectedStatus) {
+      return false;
+    }
+
+    return true;
+  });
+  const totalPages = Math.max(1, Math.ceil(filteredUsers.length / usersPerPage));
+  const pageStartIndex = (currentPage - 1) * usersPerPage;
+  const paginatedUsers = filteredUsers.slice(pageStartIndex, pageStartIndex + usersPerPage);
+  const pageEndIndex = pageStartIndex + paginatedUsers.length;
+
   const loadUsersPage = useCallback(async () => {
     setError("");
     setIsLoading(true);
@@ -110,6 +187,16 @@ export function UsersPage({ backendPreference }: UsersPageProps) {
     void loadUsersPage();
   }, [loadUsersPage]);
 
+  useEffect(() => {
+    if (currentPage > totalPages) {
+      setCurrentPage(totalPages);
+    }
+  }, [currentPage, totalPages]);
+
+  useEffect(() => {
+    setCurrentPage(1);
+  }, [selectedCompanyId, selectedStatus]);
+
   function resetUserForm() {
     setCompanyId("");
     setFirstName("");
@@ -173,6 +260,20 @@ export function UsersPage({ backendPreference }: UsersPageProps) {
     return days[new Date(value).getDay()];
   }
 
+  function getShiftFromDateTime(value: string): WorkTime {
+    const hour = new Date(value).getHours();
+
+    if (hour < 12) {
+      return "morning";
+    }
+
+    if (hour < 19) {
+      return "evening";
+    }
+
+    return "afternoon";
+  }
+
   function openCheckInModal(user: Employee) {
     const now = new Date();
     const local = new Date(now.getTime() - now.getTimezoneOffset() * 60000)
@@ -196,6 +297,7 @@ export function UsersPage({ backendPreference }: UsersPageProps) {
       await clockIn(backendPreference, checkingInUser.id, {
         day_of_week: getDayOfWeekFromDateTime(checkInDateTime),
         enter_time: new Date(checkInDateTime).toISOString(),
+        shift: getShiftFromDateTime(checkInDateTime),
       });
       setCheckingInUser(null);
       await loadUsersPage();
@@ -249,6 +351,34 @@ export function UsersPage({ backendPreference }: UsersPageProps) {
       />
       {error ? <p className={styles.error}>{error}</p> : null}
       {isLoading ? <p className={styles.muted}>Loading users...</p> : null}
+      <div className={styles.usersToolbar}>
+        <label className={styles.companyFilter}>
+          <select
+            value={selectedCompanyId}
+            onChange={(event) => setSelectedCompanyId(event.target.value)}
+          >
+            <option value="">All companies</option>
+            {companies.map((company) => (
+              <option key={company.id} value={company.id}>
+                {company.name}
+              </option>
+            ))}
+          </select>
+        </label>
+        <label className={styles.companyFilter}>
+          <select
+            value={selectedStatus}
+            onChange={(event) => setSelectedStatus(event.target.value as UserStatus | "")}
+          >
+            <option value="">All statuses</option>
+            {statusOptions.map((status) => (
+              <option key={status} value={status}>
+                {getStatusLabel(status)}
+              </option>
+            ))}
+          </select>
+        </label>
+      </div>
       <section className={styles.tableCard} aria-label="Users table">
         <div className={styles.tableScroll}>
           <table className={styles.table}>
@@ -265,13 +395,14 @@ export function UsersPage({ backendPreference }: UsersPageProps) {
               </tr>
             </thead>
             <tbody>
-              {users.map((user) => {
+              {paginatedUsers.map((user) => {
-                const userSchedules = schedulesByUser[user.id] ?? [];
+                const userSchedules = getSchedulesForUser(user, schedulesByUser);
-                const status = getUserStatus(userSchedules);
+                const todaySchedules = getTodaySchedules(userSchedules, today);
-                const activeSchedule = userSchedules.find(
+                const status = getUserStatus(userSchedules, today);
-                  (schedule) => schedule.enter_time && !schedule.out_time,
+                const latestSchedule = getLatestSchedule(todaySchedules);
-                );
+                const activeSchedule = latestSchedule?.enter_time && !latestSchedule.out_time
-                const latestSchedule = userSchedules.at(-1);
+                  ? latestSchedule
+                  : undefined;
                 const company = companies.find((item) => item.id === user.company_id);
                 const daysWorked = new Set(
                   userSchedules
@@ -306,7 +437,7 @@ export function UsersPage({ backendPreference }: UsersPageProps) {
                       <div className={styles.actionGroup}>
                         <button
                           className={styles.actionButton}
-                          disabled={Boolean(activeSchedule) || savingActionUserId === user.id}
+                          disabled={status !== "off-duty" || savingActionUserId === user.id}
                           onClick={(event) => {
                             event.stopPropagation();
                             openCheckInModal(user);
@@ -337,6 +468,33 @@ export function UsersPage({ backendPreference }: UsersPageProps) {
             </tbody>
           </table>
         </div>
+        <div className={styles.pagination}>
+          <span>
+            Showing {filteredUsers.length === 0 ? 0 : pageStartIndex + 1}-{pageEndIndex} of{" "}
+            {filteredUsers.length} users
+          </span>
+          <div className={styles.paginationActions}>
+            <button
+              className={styles.secondaryButton}
+              disabled={currentPage === 1}
+              onClick={() => setCurrentPage((page) => Math.max(1, page - 1))}
+              type="button"
+            >
+              Previous
+            </button>
+            <span>
+              Page {currentPage} of {totalPages}
+            </span>
+            <button
+              className={styles.secondaryButton}
+              disabled={currentPage === totalPages}
+              onClick={() => setCurrentPage((page) => Math.min(totalPages, page + 1))}
+              type="button"
+            >
+              Next
+            </button>
+          </div>
+        </div>
       </section>
 
       {isAddUserOpen ? (

src/store/backendPreferenceStore.ts

@@ -0,0 +1,21 @@
+import { create } from "zustand";
+import { persist } from "zustand/middleware";
+import { defaultBackendPreference } from "@api/backendConfig";
+import type { BackendPreference } from "@/types/backend";
+
+type BackendPreferenceState = {
+  backendPreference: BackendPreference;
+  setBackendPreference: (backendPreference: BackendPreference) => void;
+};
+
+export const useBackendPreferenceStore = create<BackendPreferenceState>()(
+  persist(
+    (set) => ({
+      backendPreference: defaultBackendPreference,
+      setBackendPreference: (backendPreference) => set({ backendPreference }),
+    }),
+    {
+      name: "manager-backend-preference",
+    },
+  ),
+);

src/types/schedule.ts

@@ -14,6 +14,7 @@ export type Schedule = {
   enter_time: string | null;
   day_of_week: DayOfWeek;
   out_time: string | null;
+  shift?: WorkTime;
 };
 
 export type WeeklyScheduleResponse = {
@@ -30,6 +31,7 @@ export type CreateScheduleRequest = {
 export type ClockInRequest = {
   day_of_week: DayOfWeek;
   enter_time: string;
+  shift: WorkTime;
 };
 
 export type ClockOutRequest = {