<?php

namespace App\Controllers;
use App\Models\PasienModel;

class Pasien extends BaseController
{
   public function __construct()
    {
    $session = session();

    // Jika belum login
    if (!$session->get('logged_in')) {
        header('Location: ' . base_url('login'));
        exit;
    }

    $timeout = 600;

    if (
        $session->get('last_activity') &&
        (time() - $session->get('last_activity')) > $timeout
    ) {
        $session->remove([
            'id',
            'nama',
            'username',
            'role',
            'logged_in',
            'last_activity'
        ]);

        $session->setFlashdata(
            'error',
            'Sesi Anda telah berakhir karena tidak ada aktivitas selama 10 menit.'
        );

        header('Location: ' . base_url('login'));
        exit;
    }

    $session->set('last_activity', time());
    }

    public function login()
    {
    if (session()->get('logged_in')) {
        return redirect()->to('/');
    }

    return view('auth/login');
    }

    public function dashboard()
    {
    $db = \Config\Database::connect();
    $builder = $db->table('register_ambulans');

    $data = [
        'total' => (clone $builder)->countAllResults(),

        'emergency' => (clone $builder)
            ->where('order_type', 'True Emergency')
            ->countAllResults(),

        'non' => (clone $builder)
            ->where('order_type', 'Non Emergency')
            ->countAllResults(),

        'pending' => (clone $builder)
            ->where('order_type', 'Pending Order')
            ->countAllResults(),
    ];

    return view('dashboard', $data);
    }

    public function input()
    {
    $data['register'] = $this->generateRegister();
    return view('input', $data);
    }

    public function aktif()
    {
    $db = \Config\Database::connect();

    $builder = $db->table('register_ambulans r');

    $builder->select('
    r.id,
    r.register,
    r.rm,
    r.order_type,
    r.status,
    r.fase,
    r.prioritas,
    r.created_at,
    r.nama_penelpon,
    r.no_penelpon,
    p.nama,
    p.gender,
    p.alamat
    ');

    $builder->join('pasien p', 'p.rm = r.rm', 'left');

    $builder->orderBy('r.id', 'DESC');

    $data['pasien'] = $builder->get()->getResultArray();

    return view('pasien_aktif', $data);
    }

    public function next($id)
    {
    $db = \Config\Database::connect();
    $builder = $db->table('register_ambulans');

    $p = $builder->where('id', $id)->get()->getRowArray();

    if (!$p) return redirect()->back();

    $fase = $p['fase'] ?? 1;

    if ($fase < 6) {
        $fase++;
    }

    $status = ($fase == 6) ? 'Selesai' : 'Diproses';

    $builder->where('id', $id)->update([
        'fase' => $fase,
        'status' => $status
    ]);

    return redirect()->back();
    }

    public function create()
    {
        return view('pasien/create');
    }

    private function generateRegister()
    {
    $today = date('ymd');

    $db = \Config\Database::connect();
    $builder = $db->table('register_ambulans');

    $builder->like('register', "AMB-$today", 'after');
    $count = $builder->countAllResults();

    $urutan = str_pad($count + 1, 3, '0', STR_PAD_LEFT);

    return "AMB-$today-$urutan";
    }

    private function hitungUmur($tglLahir)
    {
    if (!$tglLahir) return '-';

    $birth = new \DateTime($tglLahir);
    $today = new \DateTime();

    $umur = $today->diff($birth)->y;

    return $umur . ' tahun';
    }

    public function simpan()
    {
    $db = \Config\Database::connect();

    $rm = $this->request->getPost('no_rm');

    if (empty($rm)) {
        $rm = null;
    }

    // ================= CEK PASIEN =================
    $pasien = null;

    if ($rm) {
        $pasien = $db->table('pasien')
            ->where('rm', $rm)
            ->get()
            ->getRowArray();
    }

    // ================= JIKA PASIEN BARU =================
    if ($rm && !$pasien) {

        $dataPasien = [
            'rm'         => $rm,
            'atribut'    => $this->request->getPost('panggilan_depan'),
            'nama'       => $this->request->getPost('nama'),
            'gender'     => $this->request->getPost('gender'),
            'alamat'     => $this->request->getPost('alamat'),
            'tgl_lahir'  => $this->request->getPost('tanggal_lahir'),
        ];

        $db->table('pasien')->insert($dataPasien);
    }

    // ================= SIMPAN REGISTER =================
    $dataRegister = [
        'rm'            => $rm,
        'register'      => $this->generateRegister(),
        'order_type'    => $this->request->getPost('order_type'),
        'fase'          => 1,
        'status'        => 'Predispatch',
    ];

    $db->table('register_ambulans')->insert($dataRegister);
     
    $registerId = $db->insertID();

    $dataOrder = [
    'register_id'   => $registerId,
    'nama_penelpon' => $this->request->getPost('nama_penelpon'),
    'no_penelpon'   => $this->request->getPost('no_penelpon'),
    'kesadaran'     => $this->request->getPost('kesadaran'),
    'kategori'      => $this->request->getPost('kategori'),
    'pernafasan'    => json_encode([
        'sesak' => $this->request->getPost('sesak'),
        'batuk' => $this->request->getPost('batuk'),
    ]),
    'posisi'        => json_encode([
        'lokasi' => $this->request->getPost('posisi_pasien'),
        'lainnya' => $this->request->getPost('posisi_lainnya')
    ]),
    'keterbatasan'  => $this->request->getPost('gerak'),
    'nyeri'         => json_encode([
        'status' => $this->request->getPost('status_nyeri'),
        'lokasi' => $this->request->getPost('lokasi_nyeri'),
        'lain'   => $this->request->getPost('nyeri_lain'),
    ]),
    'suhu'          => $this->request->getPost('suhu'),
    'bahaya'        => json_encode([
        'status' => $this->request->getPost('bahaya'),
        'detail' => $this->request->getPost('bahaya_detail')
    ]),
    'berat_badan'   => $this->request->getPost('berat_badan'),

    'keluhan_utama' => $this->request->getPost('keluhan_utama'),
    'tujuan'         => $this->request->getPost('tujuan'),
    'tujuan_detail'  => $this->request->getPost('tujuan_detail'),
    'persetujuan'    => $this->request->getPost('persetujuan'),
    'biaya'          => $this->request->getPost('biaya'),
    'validasi'      => $this->request->getPost('validasi'),
    'petugas_id'    => $this->request->getPost('petugas_id'),
    ];
    $db->table('pasien_order')->insert($dataOrder);

    return redirect()->to('/pasien/aktif');
    }
    
    public function cekRM()
    {
    $model = new \App\Models\PasienModel();

    $rm = $this->request->getPost('rm');

    $data = $model->where('rm', $rm)->first();

    if ($data) {
        return $this->response->setJSON([
            'status' => 'found',
            'data' => $data
        ]);
    }

    return $this->response->setJSON([
        'status' => 'not_found'
    ]);
    }

    public function linkRM()
    {
    $db = \Config\Database::connect();

    $registerId = $this->request->getPost('register_id');
    $rm = $this->request->getPost('rm');

    $db->table('register_ambulans')
        ->where('id', $registerId)
        ->update(['rm' => $rm]);

    return $this->response->setJSON([
        'status' => 'success'
    ]);
    }

    public function search()
    {
    $q = $this->request->getPost('q');

    $db = \Config\Database::connect();

    $data = $db->table('pasien')
        ->like('rm', $q)
        ->orLike('nama', $q)
        ->limit(10)
        ->get()
        ->getResultArray();

    return $this->response->setJSON([
        'data' => $data
    ]);
    }
    
    public function predispatch($id)
    {
    $db = \Config\Database::connect();

    // ================= REGISTER + PASIEN =================
    $data['pasien'] = $db->table('register_ambulans r')
        ->select('r.*, p.nama, p.alamat, p.gender, p.tgl_lahir')
        ->join('pasien p', 'p.rm = r.rm', 'left')
        ->where('r.id', $id)
        ->get()
        ->getRowArray();

    // ================= UMUR =================
    $data['pasien']['umur'] = $this->hitungUmur($data['pasien']['tgl_lahir'] ?? null);

    // ================= ORDER + PETUGAS =================
    $order = $db->table('pasien_order o')
        ->select('o.*, pg.nama as petugas_nama')
        ->join('pegawai pg', 'pg.id = o.petugas_id', 'left')
        ->where('o.register_id', $id)
        ->get()
        ->getRowArray();

    $data['order'] = $order ?? [];

    return view('predispatch', $data);
    }
}