hr-portal/app/frontend/app/(dashboard)/reimbursements/page.tsx

'use client';
import { useEffect, useState, useRef } from 'react';
import { useAuth } from '@/lib/auth-context';
import { reimbursementsApi } from '@/lib/api';
import { formatDate, formatCurrency, getStatusColor } from '@/lib/utils';
import Topbar from '@/components/layout/Topbar';

export default function ReimbursementsPage() {
  const { user } = useAuth();
  const [reimbursements, setReimbursements] = useState<any[]>([]);
  const [showForm, setShowForm] = useState(false);
  const [loading, setLoading] = useState(true);
  const [submitting, setSubmitting] = useState(false);
  const [form, setForm] = useState({ category: 'travel', amount: '', description: '' });
  const [receipt, setReceipt] = useState<File | null>(null);
  const fileRef = useRef<HTMLInputElement>(null);

  const fetchData = async () => {
    if (!user) return;
    try {
      const res = await reimbursementsApi.getAll();
      setReimbursements(res.data.data || []);
    } catch {}
    setLoading(false);
  };

  useEffect(() => { fetchData(); }, [user]);

  const handleSubmit = async (e: React.FormEvent) => {
    e.preventDefault();
    setSubmitting(true);
    try {
      await reimbursementsApi.create(form, receipt || undefined);
      setShowForm(false);
      setForm({ category: 'travel', amount: '', description: '' });
      setReceipt(null);
      await fetchData();
    } catch (err: any) {
      alert(err.response?.data?.message || 'Failed to submit');
    }
    setSubmitting(false);
  };

  return (
    <div className="min-h-screen bg-[#F8FAFC]">
      <Topbar title="Reimbursements" />
      <div className="p-6">
        <div className="bg-white rounded-xl shadow-sm border border-gray-100 p-5">
          <div className="flex items-center justify-between mb-4">
            <h3 className="font-semibold text-gray-800">My Reimbursements</h3>
            <button
              onClick={() => setShowForm(!showForm)}
              className="bg-indigo-600 text-white text-sm px-4 py-2 rounded-lg hover:bg-indigo-700 transition"
            >
              + New Claim
            </button>
          </div>

          {showForm && (
            <form onSubmit={handleSubmit} className="bg-gray-50 rounded-xl p-5 mb-5 border border-gray-200">
              <h4 className="font-semibold text-gray-700 mb-4">Submit Reimbursement Claim</h4>
              <div className="grid grid-cols-1 md:grid-cols-2 gap-4">
                <div>
                  <label className="block text-sm font-medium text-gray-700 mb-1">Category</label>
                  <select
                    value={form.category}
                    onChange={(e) => setForm({ ...form, category: e.target.value })}
                    className="w-full px-3 py-2 border border-gray-300 rounded-lg text-sm"
                  >
                    <option value="travel">Travel</option>
                    <option value="food">Food</option>
                    <option value="medical">Medical</option>
                    <option value="other">Other</option>
                  </select>
                </div>
                <div>
                  <label className="block text-sm font-medium text-gray-700 mb-1">Amount (₹)</label>
                  <input
                    type="number"
                    min="1"
                    value={form.amount}
                    onChange={(e) => setForm({ ...form, amount: e.target.value })}
                    required
                    className="w-full px-3 py-2 border border-gray-300 rounded-lg text-sm"
                    placeholder="Enter amount"
                  />
                </div>
                <div className="md:col-span-2">
                  <label className="block text-sm font-medium text-gray-700 mb-1">Description</label>
                  <textarea
                    value={form.description}
                    onChange={(e) => setForm({ ...form, description: e.target.value })}
                    required
                    rows={2}
                    className="w-full px-3 py-2 border border-gray-300 rounded-lg text-sm"
                    placeholder="Describe the expense"
                  />
                </div>
                <div className="md:col-span-2">
                  <label className="block text-sm font-medium text-gray-700 mb-1">Receipt (PDF/JPG/PNG, max 5MB)</label>
                  <input
                    ref={fileRef}
                    type="file"
                    accept=".pdf,.jpg,.jpeg,.png"
                    onChange={(e) => setReceipt(e.target.files?.[0] || null)}
                    className="w-full text-sm text-gray-500"
                  />
                </div>
              </div>
              <div className="flex gap-3 mt-4">
                <button type="submit" disabled={submitting} className="bg-indigo-600 text-white text-sm px-5 py-2 rounded-lg hover:bg-indigo-700 transition disabled:opacity-50">
                  {submitting ? 'Submitting...' : 'Submit Claim'}
                </button>
                <button type="button" onClick={() => setShowForm(false)} className="text-gray-600 text-sm px-5 py-2 rounded-lg border border-gray-300 hover:bg-gray-50 transition">
                  Cancel
                </button>
              </div>
            </form>
          )}

          {loading ? (
            <div className="text-center py-8"><div className="animate-spin rounded-full h-6 w-6 border-b-2 border-indigo-600 mx-auto"></div></div>
          ) : reimbursements.length === 0 ? (
            <div className="text-center py-12 text-gray-500">
              <p className="text-4xl mb-2">📄</p>
              <p className="font-medium">No reimbursement claims yet</p>
            </div>
          ) : (
            <div className="overflow-x-auto">
              <table className="w-full text-sm">
                <thead>
                  <tr className="border-b border-gray-100">
                    <th className="text-left py-3 text-gray-500 font-medium">Category</th>
                    <th className="text-left py-3 text-gray-500 font-medium">Amount</th>
                    <th className="text-left py-3 text-gray-500 font-medium">Description</th>
                    <th className="text-left py-3 text-gray-500 font-medium">Date</th>
                    <th className="text-left py-3 text-gray-500 font-medium">Status</th>
                    <th className="text-left py-3 text-gray-500 font-medium">Comment</th>
                  </tr>
                </thead>
                <tbody>
                  {reimbursements.map((r: any) => (
                    <tr key={r._id} className="border-b border-gray-50 hover:bg-gray-50">
                      <td className="py-3 capitalize">{r.category}</td>
                      <td className="py-3 font-medium">{formatCurrency(r.amount)}</td>
                      <td className="py-3 max-w-xs truncate">{r.description}</td>
                      <td className="py-3">{formatDate(r.createdAt)}</td>
                      <td className="py-3">
                        <span className={`px-2 py-1 rounded-full text-xs font-medium ${getStatusColor(r.status)}`}>
                          {r.status}
                        </span>
                      </td>
                      <td className="py-3 text-gray-500 max-w-xs truncate">{r.reviewComment || '-'}</td>
                    </tr>
                  ))}
                </tbody>
              </table>
            </div>
          )}
        </div>
      </div>
    </div>
  );
}