Data Table

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"use client";

import { useState, useMemo } from "react";
import { cn } from "@/lib/utils";

interface User {
  id: string;
  name: string;
  email: string;
  role: string;
  status: "active" | "inactive" | "pending";
  joinDate: string;
  avatar: string;
}

const users: User[] = [
  { id: "1", name: "Sarah Anderson", email: "sarah@example.com", role: "Admin", status: "active", joinDate: "Jan 15, 2024", avatar: "SA" },
  { id: "2", name: "Michael Chen", email: "michael@example.com", role: "Developer", status: "active", joinDate: "Feb 3, 2024", avatar: "MC" },
  { id: "3", name: "Emily Johnson", email: "emily@example.com", role: "Designer", status: "pending", joinDate: "Mar 22, 2024", avatar: "EJ" },
  { id: "4", name: "David Kim", email: "david@example.com", role: "Developer", status: "active", joinDate: "Apr 10, 2024", avatar: "DK" },
  { id: "5", name: "Lisa Wang", email: "lisa@example.com", role: "Marketing", status: "inactive", joinDate: "May 5, 2024", avatar: "LW" },
  { id: "6", name: "James Brown", email: "james@example.com", role: "Support", status: "active", joinDate: "Jun 18, 2024", avatar: "JB" },
  { id: "7", name: "Anna Martinez", email: "anna@example.com", role: "Designer", status: "active", joinDate: "Jul 2, 2024", avatar: "AM" },
  { id: "8", name: "Robert Taylor", email: "robert@example.com", role: "Developer", status: "pending", joinDate: "Aug 14, 2024", avatar: "RT" },
];

type SortKey = keyof User;
type SortDirection = "asc" | "desc";

export function DataTable() {
  const [searchQuery, setSearchQuery] = useState("");
  const [statusFilter, setStatusFilter] = useState<string>("all");
  const [sortKey, setSortKey] = useState<SortKey>("name");
  const [sortDirection, setSortDirection] = useState<SortDirection>("asc");
  const [selectedRows, setSelectedRows] = useState<string[]>([]);
  const [currentPage, setCurrentPage] = useState(1);
  const itemsPerPage = 5;

  const filteredData = useMemo(() => {
    return users
      .filter((user) => {
        const matchesSearch =
          user.name.toLowerCase().includes(searchQuery.toLowerCase()) ||
          user.email.toLowerCase().includes(searchQuery.toLowerCase());
        const matchesStatus = statusFilter === "all" || user.status === statusFilter;
        return matchesSearch && matchesStatus;
      })
      .sort((a, b) => {
        const aValue = a[sortKey];
        const bValue = b[sortKey];
        if (aValue < bValue) return sortDirection === "asc" ? -1 : 1;
        if (aValue > bValue) return sortDirection === "asc" ? 1 : -1;
        return 0;
      });
  }, [searchQuery, statusFilter, sortKey, sortDirection]);

  const paginatedData = filteredData.slice(
    (currentPage - 1) * itemsPerPage,
    currentPage * itemsPerPage
  );

  const totalPages = Math.ceil(filteredData.length / itemsPerPage);

  const handleSort = (key: SortKey) => {
    if (sortKey === key) {
      setSortDirection(sortDirection === "asc" ? "desc" : "asc");
    } else {
      setSortKey(key);
      setSortDirection("asc");
    }
  };

  const toggleSelectAll = () => {
    if (selectedRows.length === paginatedData.length) {
      setSelectedRows([]);
    } else {
      setSelectedRows(paginatedData.map((user) => user.id));
    }
  };

  const toggleSelectRow = (id: string) => {
    setSelectedRows((prev) =>
      prev.includes(id) ? prev.filter((rowId) => rowId !== id) : [...prev, id]
    );
  };

  const getStatusBadge = (status: User["status"]) => {
    const styles = {
      active: "bg-emerald-100 text-emerald-700 dark:bg-emerald-900/30 dark:text-emerald-400",
      inactive: "bg-slate-100 text-slate-700 dark:bg-slate-800 dark:text-slate-400",
      pending: "bg-amber-100 text-amber-700 dark:bg-amber-900/30 dark:text-amber-400",
    };
    return (
      <span className={`px-2.5 py-1 text-xs font-medium rounded-full ${styles[status]}`}>
        {status.charAt(0).toUpperCase() + status.slice(1)}
      </span>
    );
  };

  return (
    <div className="bg-white dark:bg-slate-900 rounded-2xl border border-slate-200 dark:border-slate-800 overflow-hidden">
      {/* Header */}
      <div className="p-6 border-b border-slate-200 dark:border-slate-800">
        <div className="flex flex-col sm:flex-row sm:items-center justify-between gap-4">
          <div>
            <h2 className="text-xl font-semibold text-slate-900 dark:text-white">Team Members</h2>
            <p className="text-sm text-slate-500 mt-1">{filteredData.length} users found</p>
          </div>
          <button className="px-4 py-2.5 bg-purple-600 hover:bg-purple-700 text-white font-medium rounded-xl flex items-center gap-2">
            <PlusIcon /> Add Member
          </button>
        </div>

        {/* Filters */}
        <div className="flex flex-col sm:flex-row gap-3 mt-4">
          <div className="relative flex-1">
            <SearchIcon className="absolute left-3 top-1/2 -translate-y-1/2 text-slate-400" />
            <input
              type="text"
              placeholder="Search by name or email..."
              value={searchQuery}
              onChange={(e) => setSearchQuery(e.target.value)}
              className="w-full pl-10 pr-4 py-2.5 border border-slate-200 dark:border-slate-700 rounded-xl bg-transparent focus:outline-none focus:ring-2 focus:ring-purple-500"
            />
          </div>
          <select
            value={statusFilter}
            onChange={(e) => setStatusFilter(e.target.value)}
            className="px-4 py-2.5 border border-slate-200 dark:border-slate-700 rounded-xl bg-transparent focus:outline-none focus:ring-2 focus:ring-purple-500"
          >
            <option value="all">All Status</option>
            <option value="active">Active</option>
            <option value="inactive">Inactive</option>
            <option value="pending">Pending</option>
          </select>
        </div>
      </div>

      {/* Table */}
      <div className="overflow-x-auto">
        <table className="w-full">
          <thead>
            <tr className="border-b border-slate-200 dark:border-slate-800 bg-slate-50 dark:bg-slate-800/50">
              <th className="px-6 py-4 text-left">
                <input
                  type="checkbox"
                  checked={selectedRows.length === paginatedData.length && paginatedData.length > 0}
                  onChange={toggleSelectAll}
                  className="w-4 h-4 rounded border-slate-300 text-purple-600 focus:ring-purple-500"
                />
              </th>
              <th className="px-6 py-4 text-left">
                <button onClick={() => handleSort("name")} className="flex items-center gap-2 text-xs font-semibold text-slate-500 uppercase tracking-wide hover:text-slate-700">
                  User <SortIcon active={sortKey === "name"} direction={sortDirection} />
                </button>
              </th>
              <th className="px-6 py-4 text-left">
                <button onClick={() => handleSort("role")} className="flex items-center gap-2 text-xs font-semibold text-slate-500 uppercase tracking-wide hover:text-slate-700">
                  Role <SortIcon active={sortKey === "role"} direction={sortDirection} />
                </button>
              </th>
              <th className="px-6 py-4 text-left">
                <button onClick={() => handleSort("status")} className="flex items-center gap-2 text-xs font-semibold text-slate-500 uppercase tracking-wide hover:text-slate-700">
                  Status <SortIcon active={sortKey === "status"} direction={sortDirection} />
                </button>
              </th>
              <th className="px-6 py-4 text-left">
                <span className="text-xs font-semibold text-slate-500 uppercase tracking-wide">Joined</span>
              </th>
              <th className="px-6 py-4 text-right">
                <span className="text-xs font-semibold text-slate-500 uppercase tracking-wide">Actions</span>
              </th>
            </tr>
          </thead>
          <tbody>
            {paginatedData.map((user) => (
              <tr key={user.id} className={cn("border-b border-slate-100 dark:border-slate-800 hover:bg-slate-50 dark:hover:bg-slate-800/30 transition-colors", selectedRows.includes(user.id) && "bg-purple-50 dark:bg-purple-900/10")}>
                <td className="px-6 py-4">
                  <input type="checkbox" checked={selectedRows.includes(user.id)} onChange={() => toggleSelectRow(user.id)} className="w-4 h-4 rounded border-slate-300 text-purple-600 focus:ring-purple-500" />
                </td>
                <td className="px-6 py-4">
                  <div className="flex items-center gap-3">
                    <div className="w-10 h-10 rounded-full bg-gradient-to-br from-purple-500 to-pink-500 flex items-center justify-center text-white font-semibold text-sm">{user.avatar}</div>
                    <div>
                      <p className="font-medium text-slate-900 dark:text-white">{user.name}</p>
                      <p className="text-sm text-slate-500">{user.email}</p>
                    </div>
                  </div>
                </td>
                <td className="px-6 py-4 text-sm text-slate-600 dark:text-slate-400">{user.role}</td>
                <td className="px-6 py-4">{getStatusBadge(user.status)}</td>
                <td className="px-6 py-4 text-sm text-slate-500">{user.joinDate}</td>
                <td className="px-6 py-4 text-right">
                  <button className="p-2 hover:bg-slate-100 dark:hover:bg-slate-800 rounded-lg"><MoreIcon /></button>
                </td>
              </tr>
            ))}
          </tbody>
        </table>
      </div>

      {/* Pagination */}
      <div className="flex items-center justify-between px-6 py-4 border-t border-slate-200 dark:border-slate-800">
        <p className="text-sm text-slate-500">Showing {(currentPage - 1) * itemsPerPage + 1} to {Math.min(currentPage * itemsPerPage, filteredData.length)} of {filteredData.length}</p>
        <div className="flex items-center gap-2">
          <button onClick={() => setCurrentPage(Math.max(1, currentPage - 1))} disabled={currentPage === 1} className="px-3 py-2 border border-slate-200 dark:border-slate-700 rounded-lg text-sm disabled:opacity-50">Previous</button>
          {Array.from({ length: totalPages }, (_, i) => i + 1).map((page) => (
            <button key={page} onClick={() => setCurrentPage(page)} className={cn("w-10 h-10 rounded-lg text-sm font-medium", currentPage === page ? "bg-purple-600 text-white" : "hover:bg-slate-100 dark:hover:bg-slate-800")}>{page}</button>
          ))}
          <button onClick={() => setCurrentPage(Math.min(totalPages, currentPage + 1))} disabled={currentPage === totalPages} className="px-3 py-2 border border-slate-200 dark:border-slate-700 rounded-lg text-sm disabled:opacity-50">Next</button>
        </div>
      </div>
    </div>
  );
}

function PlusIcon() { return <svg className="w-5 h-5" fill="none" viewBox="0 0 24 24" stroke="currentColor"><path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M12 4v16m8-8H4" /></svg>; }
function SearchIcon({ className }: { className?: string }) { return <svg className={cn("w-5 h-5", className)} fill="none" viewBox="0 0 24 24" stroke="currentColor"><path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M21 21l-6-6m2-5a7 7 0 11-14 0 7 7 0 0114 0z" /></svg>; }
function MoreIcon() { return <svg className="w-5 h-5 text-slate-500" fill="none" viewBox="0 0 24 24" stroke="currentColor"><path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M12 5v.01M12 12v.01M12 19v.01M12 6a1 1 0 110-2 1 1 0 010 2zm0 7a1 1 0 110-2 1 1 0 010 2zm0 7a1 1 0 110-2 1 1 0 010 2z" /></svg>; }
function SortIcon({ active, direction }: { active: boolean; direction: SortDirection }) { return <svg className={cn("w-4 h-4", active ? "text-purple-600" : "text-slate-400")} fill="none" viewBox="0 0 24 24" stroke="currentColor"><path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d={direction === "asc" ? "M5 15l7-7 7 7" : "M19 9l-7 7-7-7"} /></svg>; }