const parsilCfg = {
  SHM: { color: '#16a34a', label: 'Sertifikat Hak Milik' },
  HGB: { color: '#2563eb', label: 'Hak Guna Bangunan' },
  HGU: { color: '#d97706', label: 'Hak Guna Usaha' },
  HP: { color: '#7c3aed', label: 'Hak Pakai' }
};

function renderParsilPanel(pb) {
  return callAPI('data_parsil.php').then(res => {
    const data = res.data || [];
    const cnt = k => data.filter(d => d.jenis_hak === k).length;

    pb.innerHTML = `
      <div class="layer-section">
        <div class="layer-section-title">Filter Layer</div>
        ${Object.entries(parsilCfg).map(([k, v]) => `
          <div class="layer-item ${layerVisible['parsil' + k] ? 'checked' : ''}" onclick="toggleLayer('parsil${k}',this)">
            <div class="layer-check">${layerVisible['parsil' + k] ? '✓' : ''}</div>
            <div class="layer-dot" style="background:${v.color}"></div>
            <div class="layer-label">${k} — ${v.label}</div>
            <div class="layer-count">${cnt(k)}</div>
          </div>`).join('')}
      </div>
      <div class="layer-section">
        <div class="layer-section-title">Cara Menambahkan Data Parsil</div>
        <div style="font-size:11px;color:var(--text2);line-height:1.9;padding:10px 12px;background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius)">
          1. Klik ikon <b style="color:var(--accent)">polygon</b> di toolbar kiri peta<br>
          2. Klik titik-titik batas bidang tanah<br>
          3. Klik titik awal / <b>double-klik</b> untuk menutup<br>
          4. Form simpan + luas otomatis muncul
        </div>
      </div>
      <div class="layer-section">
        <div class="layer-section-title">Data Parsil (${data.length})</div>
        <div class="data-list">
          ${data.length ? data.map(d => `
            <div class="data-item" onclick="focusGeom(${d.id},'parsil')">
              <div class="item-icon">📐</div>
              <div class="item-info">
                <div class="item-name">${esc(d.nama_pemilik)}</div>
                <div class="item-sub">${d.luas_m2.toFixed(1)} m² · ${d.no_sertifikat || '—'}</div>
              </div>
              <div style="display:flex;align-items:center;gap:5px">
                <div class="item-badge" style="background:${parsilCfg[d.jenis_hak].color}18;color:${parsilCfg[d.jenis_hak].color};border:1px solid ${parsilCfg[d.jenis_hak].color}44">${d.jenis_hak}</div>
                <button class="btn btn-ghost btn-sm" onclick="event.stopPropagation();editParsil(${d.id})">✏</button>
                <button class="btn btn-danger btn-sm" onclick="event.stopPropagation();deleteParsil(${d.id})">✕</button>
              </div>
            </div>`).join('') : '<div class="loading">Belum ada data parsil</div>'}
        </div>
      </div>`;
    loadParsilLayer(data);
    registerSearchEntries('parsil', data.map(d => ({
      key: `parsil:${d.id}`,
      label: d.nama_pemilik,
      subtitle: `Parsil ${d.jenis_hak} · ${d.luas_m2.toFixed(1)} m²${d.no_sertifikat ? ` · ${d.no_sertifikat}` : ''}`,
      typeLabel: 'Parsil',
      icon: '📐',
      searchText: normalizeSearchText(`${d.nama_pemilik} ${d.jenis_hak} parsil tanah`),
      focus: () => focusGeom(d.id, 'parsil')
    })));
    updateStatusCount();
  });
}

function loadParsilLayer(data) {
  ['SHM', 'HGB', 'HGU', 'HP'].forEach(k => layers['parsil' + k].clearLayers());
  data.forEach(d => {
    const cfg = parsilCfg[d.jenis_hak], coords = d.geojson.coordinates[0].map(c => [c[1], c[0]]);
    const poly = L.polygon(coords, { color: cfg.color, fillColor: cfg.color, fillOpacity: 0.18, weight: 2 })
      .bindPopup(`<h4>📐 ${esc(d.nama_pemilik)}</h4>
        <p><b>Jenis Hak:</b> ${d.jenis_hak} — ${cfg.label}</p>
        <p><b>Luas:</b> ${d.luas_m2.toFixed(2)} m² (${(d.luas_m2 / 10000).toFixed(4)} ha)</p>
        ${d.no_sertifikat ? `<p><b>No. Sertifikat:</b> ${d.no_sertifikat}</p>` : ''}
        ${d.keterangan ? `<p>${esc(d.keterangan)}</p>` : ''}
        <div class="popup-actions"><button class="btn btn-ghost btn-sm" onclick="editParsil(${d.id})">✏ Edit</button><button class="btn btn-danger btn-sm" onclick="deleteParsil(${d.id})">✕ Hapus</button></div>`);
    poly._dataId = d.id;
    poly._groupKey = 'parsil' + d.jenis_hak;
    layers['parsil' + d.jenis_hak].addLayer(poly);
  });
}

function openParsilForm() {
  openModal('Simpan Parsil Tanah', `
    <div class="form-calc">📐 Luas: <b>${pendingArea.toFixed(2)} m²</b> = ${(pendingArea / 10000).toFixed(4)} ha </div>
    <div class="form-group"><label class="form-label">Nama Pemilik *</label>
      <input class="form-input" id="ps-nama" placeholder="Budi Santoso…"/></div>
    <div class="form-row">
      <div class="form-group"><label class="form-label">Jenis Hak *</label>
        <select class="form-select" id="ps-hak">
          <option value="SHM">SHM — Hak Milik</option>
          <option value="HGB">HGB — Guna Bangunan</option>
          <option value="HGU">HGU — Guna Usaha</option>
          <option value="HP">HP — Hak Pakai</option>
        </select></div>
      <div class="form-group"><label class="form-label">No. Sertifikat</label>
        <input class="form-input" id="ps-sert" placeholder="00001/Kel/…"/></div>
    </div>
    <div class="form-group"><label class="form-label">Keterangan</label>
      <input class="form-input" id="ps-ket" placeholder="Opsional…"/></div>`,
    `<button class="btn btn-ghost" onclick="closeModal();drawnItems.clearLayers()">Batal</button>
   <button class="btn btn-primary" onclick="saveParsil()">💾 Simpan</button>`);
}

async function saveParsil() {
  const body = {
    nama_pemilik: document.getElementById('ps-nama').value.trim(),
    jenis_hak: document.getElementById('ps-hak').value,
    no_sertifikat: document.getElementById('ps-sert').value,
    luas_m2: pendingArea,
    keterangan: document.getElementById('ps-ket').value,
    geojson: pendingGeoJSON
  };
  if (!body.nama_pemilik) return toast('Nama wajib diisi', 'error');
  const res = await callAPI('data_parsil.php', 'POST', body);
  if (res.status === 'success') {
    toast(res.message, 'success');
    closeModal();
    drawnItems.clearLayers();
    pendingGeoJSON = null;
    pendingArea = null;
    switchTab('parsil');
  } else {
    toast(res.message, 'error');
  }
}

async function editParsil(id) {
  map.closePopup();
  const res = await callAPI(`data_parsil.php?id=${id}`);
  const data = res.data;
  const sourceLayer = findGeomLayer('parsil', id);
  if (!data) return toast('Data parsil tidak ditemukan', 'error');

  const groupKey = getGeometryGroupKey('parsil', data);
  const editLayer = sourceLayer ? cloneEditableLayer('parsil', sourceLayer) : buildGeometryLayer('parsil', data);
  editLayer._dataId = id;
  editLayer._groupKey = groupKey;

  if (sourceLayer) layers[groupKey].removeLayer(sourceLayer);
  drawnItems.clearLayers();
  drawnItems.addLayer(editLayer);

  geometryEditState = { type: 'parsil', id, groupKey, sourceLayer, editLayer };
  if (editLayer.editing && editLayer.editing.enable) {
    editLayer.editing.enable();
  } else {
    const handler = getGeometryEditHandler();
    if (!handler) {
      drawnItems.clearLayers();
      if (sourceLayer) layers[groupKey].addLayer(sourceLayer);
      geometryEditState = null;
      return toast('Mode edit geometri belum siap', 'error');
    }
    handler.enable();
  }
  map.fitBounds(editLayer.getBounds(), { padding: [50, 50], duration: 1 });
  document.getElementById('panel-title').textContent = 'Edit Parsil Tanah';
  document.getElementById('panel-body').innerHTML = `
    <div class="layer-section">
      <div class="layer-section-title">Edit Parsil</div>
      <div style="font-size:11px;line-height:1.7;color:var(--text2);padding:10px 12px;background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:12px">
        Geser titik-titik batas bidang di peta lalu simpan perubahan.
      </div>
      <div class="form-group">
        <label class="form-label">Nama Pemilik *</label>
        <input class="form-input" id="ps-edit-nama" value="${esc(data.nama_pemilik)}" />
      </div>
      <div class="form-row">
        <div class="form-group">
          <label class="form-label">Jenis Hak *</label>
          <select class="form-select" id="ps-edit-hak">
            ${Object.entries(parsilCfg).map(([k, v]) => `<option value="${k}"${data.jenis_hak === k ? ' selected' : ''}>${k} — ${v.label}</option>`).join('')}
          </select>
        </div>
        <div class="form-group">
          <label class="form-label">Luas Otomatis</label>
          <input class="form-input" id="ps-edit-luas" value="${data.luas_m2.toFixed(2)} m²" disabled />
        </div>
      </div>
      <div class="form-row">
        <div class="form-group">
          <label class="form-label">No. Sertifikat</label>
          <input class="form-input" id="ps-edit-sert" value="${esc(data.no_sertifikat || '')}" />
        </div>
        <div class="form-group">
          <label class="form-label">Keterangan</label>
          <input class="form-input" id="ps-edit-ket" value="${esc(data.keterangan || '')}" />
        </div>
      </div>
    </div>`;
  document.getElementById('panel-body').insertAdjacentHTML('beforeend', `
    <div style="display:flex;gap:8px">
      <button class="btn btn-ghost" style="flex:1" onclick="cancelGeometryEdit()">Batal</button>
      <button class="btn btn-primary" style="flex:1" onclick="saveParsilEdit(${id})">Simpan Perubahan</button>
    </div>`);
}

async function saveParsilEdit(id) {
  const state = geometryEditState;
  if (!state || state.type !== 'parsil') return;
  const layer = state.editLayer;
  const ringLatLngs = layer.getLatLngs()[0];
  const ring = ringLatLngs.map(ll => [ll.lng, ll.lat]);
  ring.push([ringLatLngs[0].lng, ringLatLngs[0].lat]);
  const luas_m2 = turf.area(turf.polygon([ring]));
  const body = {
    nama_pemilik: document.getElementById('ps-edit-nama').value.trim(),
    jenis_hak: document.getElementById('ps-edit-hak').value,
    no_sertifikat: document.getElementById('ps-edit-sert').value,
    luas_m2,
    keterangan: document.getElementById('ps-edit-ket').value,
    geojson: { type: 'Polygon', coordinates: [ring] }
  };
  if (!body.nama_pemilik) return toast('Nama wajib diisi', 'error');
  const res = await callAPI(`data_parsil.php?id=${id}`, 'PUT', body);
  if (res.status === 'success') {
    toast(res.message, 'success');
    if (layer.editing && layer.editing.disable) layer.editing.disable();
    const handler = getGeometryEditHandler();
    if (handler) handler.disable();
    drawnItems.clearLayers();
    geometryEditState = null;
    switchTab('parsil');
  } else {
    toast(res.message, 'error');
  }
}

async function deleteParsil(id) {
  if (!confirm('Hapus?')) return;
  const r = await callAPI(`data_parsil.php?id=${id}`, 'DELETE');
  if (r.status === 'success') {
    toast('Dihapus', 'success');
    map.closePopup();
    switchTab('parsil');
  }
}