// join le channel bro https://whatsapp.com/channel/0029Vb8QWWl1yT1znzYESZ3b
async function cari(body) {
  const res = await fetch("https://sekolah.data.kemendikdasmen.go.id/v1/sekolah-service/sekolah/cari-sekolah", {
    method: 'POST',
    headers: {
      'Accept': 'application/json, text/plain, */*',
      'Content-Type': 'application/json',
      'Origin': 'https://sekolah.data.kemendikdasmen.go.id',
      'Referer': 'https://sekolah.data.kemendikdasmen.go.id/sekolah',
      'User-Agent': 'Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Mobile Safari/537.36'
    },
    body: JSON.stringify(body)
  });
  return res.json();
}

async function detail(id) {
  const res = await fetch(`https://sekolah.data.kemendikdasmen.go.id/v1/sekolah-service/sekolah/full-detail/${id}`, {
    headers: {
      'Accept': 'application/json, text/plain, */*',
      'Referer': `https://sekolah.data.kemendikdasmen.go.id/profil-sekolah/${id}`,
      'User-Agent': 'Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Mobile Safari/537.36'
    }
  });
  return res.json();
}

async function wilayah(keyword) {
  const res = await fetch("https://sekolah.data.kemendikdasmen.go.id/v1/sekolah-service/referensi/wilayah", {
    method: 'POST',
    headers: {
      'Accept': 'application/json, text/plain, */*',
      'Content-Type': 'application/json',
      'Origin': 'https://sekolah.data.kemendikdasmen.go.id',
      'Referer': 'https://sekolah.data.kemendikdasmen.go.id/sekolah',
      'User-Agent': 'Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Mobile Safari/537.36'
    },
    body: JSON.stringify({ keyword })
  });
  return res.json();
}

export async function sekolah2(req) {
  const { searchParams: sp } = new URL(req.url);
  const q = sp.get('q');
  const id = sp.get('id');
  const mode = sp.get('mode') || 'search';
  const page = Number(sp.get('page') || 0);
  const size = Number(sp.get('size') || 12);
  const kab = sp.get('kab') || '';
  const bentuk = sp.get('bentuk') || '';
  const status = sp.get('status') || '';
  const wkey = sp.get('wilayah');

  if (mode === 'wilayah') {
    if (!wkey) return { error: "missing wilayah, /sekolah2?mode=wilayah&wilayah=Probolinggo" };
    try {
      const data = await wilayah(wkey);
      return { status: true, params: { wilayah: wkey }, data: data.data || [] };
    } catch (err) {
      return { error: err.message };
    }
  }

  if (mode === 'detail' && id) {
    try {
      const raw = await detail(id);
      const d = raw.data || {};

      return {
        status: true,
        params: { id },
        data: {
          profil: d.sekolah?.[0] || {},
          foto: d.foto_sekolah || [],
          ruang: d.ruang?.[0] || {},
          ptk: d.ptk?.[0] || {},
          kurikulum: d.kurikulum?.[0] || {},
          rasio_siswa: d.rasio_siswa?.[0] || {},
          rasio_rombel: d.rasio_rombel_ruang_kelas?.[0] || {},
          rasio_guru: d.rasio_siswa_guru?.[0] || {},
          persentase_guru: d.persentase_guru?.[0] || {},
          persentase_kelas_layak: d.persentase_ruang_kelas_layak?.[0] || {},
          sekolah_sekitar: d.sekolah_sekitar || [],
          instansi_sekitar: d.instansi_sekitar || []
        }
      };
    } catch (err) {
      return { error: err.message };
    }
  }

  if (!q) {
    return {
      error: "missing keyword",
      usage: {
        search: "/sekolah2?q=anwar",
        filter: "/sekolah2?q=anwar&status=SWASTA&bentuk=MTs, MI&kab=Kab. Probolinggo",
        page: "/sekolah2?q=anwar&page=1&size=12",
        wilayah: "/sekolah2?mode=wilayah&wilayah=Karawang",
        detail: "/sekolah2?mode=detail&id=A9B4AA6C-9093-4210-83D0-9F6AB175DBB5"
      },
      params: {
        q: "keyword",
        page: "halaman (0)",
        size: "per halaman (12)",
        kab: "Kab. Karawang",
        bentuk: "SMA, SMK, MTs, MI",
        status: "NEGERI, SWASTA"
      }
    };
  }

  try {
    const body = {
      page,
      size,
      keyword: q,
      kabupaten_kota: kab,
      bentuk_pendidikan: bentuk,
      status_sekolah: status
    };
    const raw = await cari(body);
    return {
      status: true,
      params: { q, page, size, kab, bentuk, status },
      total: raw.total || 0,
      data: raw.data || []
    };
  } catch (err) {
    return { error: err.message };
  }
}