<?php
include 'koneksi.php';
header('Content-Type: application/json');

$tipe = $_POST['tipe'] ?? '';

// ===== RUMAH IBADAH =====
if ($tipe === 'ibadah') {
    $nama   = trim($_POST['nama']    ?? '');
    $jenis  = $_POST['jenis']        ?? 'lainnya';
    $kontak = $_POST['kontak']       ?? '';
    $alamat = $_POST['alamat']       ?? '';
    $lat    = (float)($_POST['lat']  ?? 0);
    $lng    = (float)($_POST['lng']  ?? 0);
    $radius = (float)($_POST['radius'] ?? 500);

    if (!$nama) { echo json_encode(["status"=>"error","msg"=>"Nama tidak boleh kosong"]); exit; }

    $stmt = $conn->prepare("INSERT INTO rumah_ibadah (nama,jenis,kontak,alamat,lat,lng,radius) VALUES (?,?,?,?,?,?,?)");
    $stmt->bind_param("ssssddd", $nama,$jenis,$kontak,$alamat,$lat,$lng,$radius);
    if ($stmt->execute()) {
        echo json_encode(["status"=>"success","id"=>(int)$conn->insert_id]);
    } else {
        echo json_encode(["status"=>"error","msg"=>$stmt->error]);
    }
    $stmt->close();
}

// ===== PENDUDUK =====
elseif ($tipe === 'penduduk') {
    $nik            = trim($_POST['nik']           ?? '');
    $nama           = trim($_POST['nama']          ?? '');
    $jk             = $_POST['jenis_kelamin']      ?? 'L';
    $tgl_lahir      = !empty($_POST['tanggal_lahir']) ? $_POST['tanggal_lahir'] : null;
    $status_kel     = $_POST['status_keluarga']    ?? 'lainnya';
    $status_kawin   = $_POST['status_perkawinan']  ?? 'belum_kawin';
    $alamat         = $_POST['alamat']             ?? '';
    $no_hp          = $_POST['no_hp']              ?? '';
    $pekerjaan      = $_POST['pekerjaan']          ?? '';
    $penghasilan    = (float)($_POST['penghasilan'] ?? 0);
    $status_ekonomi = $_POST['status_ekonomi']     ?? 'rentan';
    $pend_terakhir  = $_POST['pendidikan_terakhir'] ?? 'tidak_sekolah';
    $status_pend    = $_POST['status_pendidikan']  ?? 'tidak_sekolah';
    $lat            = (float)($_POST['lat']        ?? 0);
    $lng            = (float)($_POST['lng']        ?? 0);

    if (!$nik || !$nama) {
        echo json_encode(["status"=>"error","msg"=>"NIK dan Nama wajib diisi"]);
        exit;
    }

    // Cari rumah ibadah terdekat otomatis
    $rumah_ibadah_id = null;
    if ($lat && $lng) {
        $s = $conn->prepare("SELECT id FROM rumah_ibadah ORDER BY (6371*acos(cos(radians(?))*cos(radians(lat))*cos(radians(lng)-radians(?))+sin(radians(?))*sin(radians(lat)))) ASC LIMIT 1");
        $s->bind_param("ddd", $lat, $lng, $lat);
        $s->execute();
        $row = $s->get_result()->fetch_assoc();
        $rumah_ibadah_id = $row ? (int)$row['id'] : null;
        $s->close();
    }

    // INSERT — semua 16 kolom, tipe dijaga ketat
    // Gunakan query langsung dengan escape untuk menghindari masalah nullable
    $nik_e   = $conn->real_escape_string($nik);
    $nama_e  = $conn->real_escape_string($nama);
    $jk_e    = $conn->real_escape_string($jk);
    $tgl_e   = $tgl_lahir ? "'".$conn->real_escape_string($tgl_lahir)."'" : 'NULL';
    $stkel_e = $conn->real_escape_string($status_kel);
    $stkaw_e = $conn->real_escape_string($status_kawin);
    $almt_e  = $conn->real_escape_string($alamat);
    $hp_e    = $conn->real_escape_string($no_hp);
    $pkrj_e  = $conn->real_escape_string($pekerjaan);
    $ekn_e   = $conn->real_escape_string($status_ekonomi);
    $pend_e  = $conn->real_escape_string($pend_terakhir);
    $spnd_e  = $conn->real_escape_string($status_pend);
    $rid_e   = $rumah_ibadah_id ? (int)$rumah_ibadah_id : 'NULL';

    $sql = "INSERT INTO penduduk
        (nik,nama,jenis_kelamin,tanggal_lahir,status_keluarga,status_perkawinan,
         alamat,no_hp,pekerjaan,penghasilan,status_ekonomi,
         pendidikan_terakhir,status_pendidikan,lat,lng,rumah_ibadah_id)
        VALUES
        ('{$nik_e}','{$nama_e}','{$jk_e}',{$tgl_e},'{$stkel_e}','{$stkaw_e}',
         '{$almt_e}','{$hp_e}','{$pkrj_e}',{$penghasilan},'{$ekn_e}',
         '{$pend_e}','{$spnd_e}',{$lat},{$lng},{$rid_e})";

    $stmt = $conn;  // dummy untuk cek execute

    if ($conn->query($sql)) {
        $new_id = (int)$conn->insert_id;
        // Log
        $uid = (int)($_POST['user_id'] ?? 0);
        if ($uid) {
            $l = $conn->prepare("INSERT INTO log_aktivitas (user_id,aksi,tabel,record_id,detail,ip) VALUES (?,?,?,?,?,?)");
            $aksi='tambah_penduduk'; $tbl='penduduk'; $det="Tambah penduduk: $nama"; $ip=$_SERVER['REMOTE_ADDR']??'';
            $l->bind_param("ississ",$uid,$aksi,$tbl,$new_id,$det,$ip);
            $l->execute();
        }
        echo json_encode(["status"=>"success","id"=>$new_id]);
    } else {
        echo json_encode(["status"=>"error","msg"=>$conn->error]);
    }
}

// ===== LAPORAN =====
elseif ($tipe === 'laporan') {
    $nama_pelapor = trim($_POST['nama_pelapor'] ?? 'Anonim') ?: 'Anonim';
    $deskripsi    = trim($_POST['deskripsi']    ?? '');
    $urgensi      = $_POST['urgensi']           ?? 'sedang';
    $lat          = (float)($_POST['lat']       ?? 0);
    $lng          = (float)($_POST['lng']       ?? 0);

    if (!$deskripsi) { echo json_encode(["status"=>"error","msg"=>"Deskripsi wajib diisi"]); exit; }

    $stmt = $conn->prepare("INSERT INTO laporan (nama_pelapor,deskripsi,lat,lng,urgensi) VALUES (?,?,?,?,?)");
    $stmt->bind_param("ssdds", $nama_pelapor,$deskripsi,$lat,$lng,$urgensi);
    if ($stmt->execute()) {
        echo json_encode(["status"=>"success","id"=>(int)$conn->insert_id]);
    } else {
        echo json_encode(["status"=>"error","msg"=>$stmt->error]);
    }
    $stmt->close();
}

// ===== BANTUAN =====
elseif ($tipe === 'bantuan') {
    $pid   = (int)($_POST['penduduk_id']      ?? 0);
    $jid   = (int)($_POST['jenis_bantuan_id'] ?? 0);
    $src   = $_POST['sumber_bantuan']         ?? '';
    $tgl   = $_POST['tanggal']                ?? date('Y-m-d');
    $jml   = (float)($_POST['jumlah']         ?? 0);
    $cat   = $_POST['catatan']                ?? '';
    $stat  = $_POST['status']                 ?? 'direncanakan';

    $stmt = $conn->prepare("INSERT INTO histori_bantuan (penduduk_id,jenis_bantuan_id,sumber_bantuan,tanggal,jumlah,catatan,status) VALUES (?,?,?,?,?,?,?)");
    $stmt->bind_param("iissdss",$pid,$jid,$src,$tgl,$jml,$cat,$stat);
    if ($stmt->execute()) {
        echo json_encode(["status"=>"success","id"=>(int)$conn->insert_id]);
    } else {
        echo json_encode(["status"=>"error","msg"=>$stmt->error]);
    }
    $stmt->close();
}

// ===== KELUARGA =====
elseif ($tipe === 'keluarga') {
    $no_kk  = trim($_POST['no_kk']  ?? '');
    $alamat = $_POST['alamat']       ?? '';
    $lat    = (float)($_POST['lat'] ?? 0);
    $lng    = (float)($_POST['lng'] ?? 0);

    if (!$no_kk) { echo json_encode(["status"=>"error","msg"=>"No. KK wajib diisi"]); exit; }

    $stmt = $conn->prepare("INSERT INTO keluarga (no_kk,alamat,lat,lng) VALUES (?,?,?,?)");
    $stmt->bind_param("ssdd",$no_kk,$alamat,$lat,$lng);
    if ($stmt->execute()) {
        echo json_encode(["status"=>"success","id"=>(int)$conn->insert_id]);
    } else {
        echo json_encode(["status"=>"error","msg"=>$stmt->error]);
    }
    $stmt->close();
}

else {
    http_response_code(400);
    echo json_encode(["status"=>"error","msg"=>"Tipe tidak dikenal: $tipe"]);
}