export default function DashboardGriyaRudinaAsri() {
  const { useState } = React;

  const [user, setUser] = useState(null);
  const [password, setPassword] = useState('');
  const [menu, setMenu] = useState('dashboard');
  const [danaMasuk, setDanaMasuk] = useState([
    { id: 1, tanggal: '2026-07-01', keterangan: 'Iuran Warga', nominal: 500000 }
  ]);
  const [danaKeluar, setDanaKeluar] = useState([
    { id: 1, tanggal: '2026-07-01', keterangan: 'Perawatan Lingkungan', nominal: 150000 }
  ]);

  const [form, setForm] = useState({
    tipe: 'masuk',
    tanggal: '',
    keterangan: '',
    nominal: ''
  });

  const login = () => {
    if (password === 'Grae24') {
      setUser({ role: 'admin', name: 'Administrator' });
    } else if (password === 'balikpapan') {
      setUser({ role: 'warga', name: 'Warga' });
    } else {
      alert('Password salah');
    }
  };

  const tambahData = () => {
    const dataBaru = {
      id: Date.now(),
      tanggal: form.tanggal,
      keterangan: form.keterangan,
      nominal: Number(form.nominal)
    };

    if (form.tipe === 'masuk') {
      setDanaMasuk([...danaMasuk, dataBaru]);
    } else {
      setDanaKeluar([...danaKeluar, dataBaru]);
    }

    setForm({
      tipe: 'masuk',
      tanggal: '',
      keterangan: '',
      nominal: ''
    });
  };

  const hapusData = (id, tipe) => {
    if (user.role !== 'admin') return;

    if (tipe === 'masuk') {
      setDanaMasuk(danaMasuk.filter(x => x.id !== id));
    } else {
      setDanaKeluar(danaKeluar.filter(x => x.id !== id));
    }
  };

  const totalMasuk = danaMasuk.reduce((a, b) => a + b.nominal, 0);
  const totalKeluar = danaKeluar.reduce((a, b) => a + b.nominal, 0);
  const saldo = totalMasuk - totalKeluar;

  if (!user) {
    return (
      <div className='min-h-screen flex items-center justify-center bg-slate-100'>
        <div className='bg-white p-8 rounded-3xl shadow-xl w-full max-w-md'>
          <h1 className='text-2xl font-bold text-center mb-6'>
            Griya Rudina Asri
          </h1>
          <input
            type='password'
            placeholder='Masukkan Password'
            className='w-full border p-3 rounded-xl mb-4'
            value={password}
            onChange={(e) => setPassword(e.target.value)}
          />
          <button
            onClick={login}
            className='w-full bg-blue-600 text-white p-3 rounded-xl'>
            Login
          </button>
          <div className='mt-4 text-sm text-gray-500'>
            Admin: Grae24<br />
            Warga: balikpapan
          </div>
        </div>
      </div>
    );
  }

  return (
    <div className='min-h-screen bg-slate-100'>
      <div className='bg-blue-700 text-white p-4 flex justify-between'>
        <div>
          <h1 className='text-xl font-bold'>Dashboard Warga Griya Rudina Asri</h1>
          <p>{user.name} - {user.role}</p>
        </div>
        <button
          className='bg-red-500 px-4 py-2 rounded-xl'
          onClick={() => setUser(null)}>
          Logout
        </button>
      </div>

      <div className='flex'>
        <div className='w-64 bg-white shadow min-h-screen p-4'>
          <button className='block w-full text-left mb-2' onClick={() => setMenu('dashboard')}>Dashboard</button>
          <button className='block w-full text-left mb-2' onClick={() => setMenu('masuk')}>Dana Masuk</button>
          <button className='block w-full text-left mb-2' onClick={() => setMenu('keluar')}>Dana Keluar</button>
          {user.role === 'admin' && (
            <button className='block w-full text-left' onClick={() => setMenu('add')}>
              Add New
            </button>
          )}
        </div>

        <div className='flex-1 p-6'>
          {menu === 'dashboard' && (
            <div className='grid grid-cols-1 md:grid-cols-3 gap-4'>
              <div className='bg-green-500 text-white p-6 rounded-3xl'>
                <h2>Total Dana Masuk</h2>
                <p className='text-2xl font-bold'>Rp {totalMasuk.toLocaleString()}</p>
              </div>
              <div className='bg-red-500 text-white p-6 rounded-3xl'>
                <h2>Total Dana Keluar</h2>
                <p className='text-2xl font-bold'>Rp {totalKeluar.toLocaleString()}</p>
              </div>
              <div className='bg-blue-600 text-white p-6 rounded-3xl'>
                <h2>Saldo Kas</h2>
                <p className='text-2xl font-bold'>Rp {saldo.toLocaleString()}</p>
              </div>
            </div>
          )}

          {menu === 'masuk' && (
            <div className='bg-white p-4 rounded-3xl shadow'>
              <h2 className='font-bold text-xl mb-4'>Dana Masuk</h2>
              <table className='w-full'>
                <thead>
                  <tr>
                    <th>Tanggal</th>
                    <th>Keterangan</th>
                    <th>Nominal</th>
                    {user.role === 'admin' && <th>Aksi</th>}
                  </tr>
                </thead>
                <tbody>
                  {danaMasuk.map((d) => (
                    <tr key={d.id}>
                      <td>{d.tanggal}</td>
                      <td>{d.keterangan}</td>
                      <td>Rp {d.nominal.toLocaleString()}</td>
                      {user.role === 'admin' && (
                        <td>
                          <button
                            className='bg-red-500 text-white px-3 py-1 rounded'
                            onClick={() => hapusData(d.id, 'masuk')}>
                            Hapus
                          </button>
                        </td>
                      )}
                    </tr>
                  ))}
                </tbody>
              </table>
            </div>
          )}

          {menu === 'keluar' && (
            <div className='bg-white p-4 rounded-3xl shadow'>
              <h2 className='font-bold text-xl mb-4'>Dana Keluar</h2>
              <table className='w-full'>
                <thead>
                  <tr>
                    <th>Tanggal</th>
                    <th>Keterangan</th>
                    <th>Nominal</th>
                    {user.role === 'admin' && <th>Aksi</th>}
                  </tr>
                </thead>
                <tbody>
                  {danaKeluar.map((d) => (
                    <tr key={d.id}>
                      <td>{d.tanggal}</td>
                      <td>{d.keterangan}</td>
                      <td>Rp {d.nominal.toLocaleString()}</td>
                      {user.role === 'admin' && (
                        <td>
                          <button
                            className='bg-red-500 text-white px-3 py-1 rounded'
                            onClick={() => hapusData(d.id, 'keluar')}>
                            Hapus
                          </button>
                        </td>
                      )}
                    </tr>
                  ))}
                </tbody>
              </table>
            </div>
          )}

          {menu === 'add' && user.role === 'admin' && (
            <div className='bg-white p-6 rounded-3xl shadow'>
              <h2 className='font-bold text-xl mb-4'>Input Dana Baru</h2>

              <select
                className='border p-3 rounded-xl w-full mb-3'
                value={form.tipe}
                onChange={(e) => setForm({ ...form, tipe: e.target.value })}>
                <option value='masuk'>Dana Masuk</option>
                <option value='keluar'>Dana Keluar</option>
              </select>

              <input
                type='date'
                className='border p-3 rounded-xl w-full mb-3'
                value={form.tanggal}
                onChange={(e) => setForm({ ...form, tanggal: e.target.value })}
              />

              <input
                type='text'
                placeholder='Keterangan'
                className='border p-3 rounded-xl w-full mb-3'
                value={form.keterangan}
                onChange={(e) => setForm({ ...form, keterangan: e.target.value })}
              />

              <input
                type='number'
                placeholder='Nominal'
                className='border p-3 rounded-xl w-full mb-3'
                value={form.nominal}
                onChange={(e) => setForm({ ...form, nominal: e.target.value })}
              />

              <button
                className='bg-blue-600 text-white px-5 py-3 rounded-xl'
                onClick={tambahData}>
                Simpan Data
              </button>
            </div>
          )}
        </div>
      </div>
    </div>
  );
}