defined('BASEPATH') OR exit('No direct script access allowed');

class Renstra extends CI_Controller {

    public function __construct() {
        parent::__construct();
        $this->load->model('Renstra_model');
        $this->load->library('session');
        $this->load->helper('url');
        $this->load->helper('form');
    }

    public function index() {
        if(!$this->session->userdata('unit_id')) {
            redirect('renstra/login');
        }

        $unit_id = $this->session->userdata('unit_id');
        $data['user'] = $this->Renstra_model->get_unit_details($unit_id);
        $data['documents'] = $this->Renstra_model->get_documents($unit_id);
        
        // Cek EWS
        $data['ews_alerts'] = [];
        if(($data['user']->kategori == 'prodi' || $data['user']->nama_unit == 'Universitas') && $data['user']->tgl_kadaluarsa != NULL) {
            $tgl_kadaluarsa = strtotime($data['user']->tgl_kadaluarsa);
            $sekarang = time();
            $diff_hari = round(($tgl_kadaluarsa - $sekarang) / (60 * 60 * 24));

            if ($diff_hari > 0 && $diff_hari < 180) {
                $data['ews_alerts'][] = ['tingkat' => 'Kritis', 'warna' => 'bg-red-50 text-red-700', 'pesan' => "Akreditasi tersisa $diff_hari hari lagi (Kurang 6 Bulan). Segera unggah borang."];
            } else if ($diff_hari >= 180 && $diff_hari <= 365) {
                $data['ews_alerts'][] = ['tingkat' => 'Waspada', 'warna' => 'bg-yellow-50 text-yellow-700', 'pesan' => "Akreditasi tersisa $diff_hari hari lagi. Mulai persiapan."];
            }
        }

        if(isset($data['user']) && $data['user']->nama_unit == 'Admin Universitas') {
            $data['all_units'] = $this->Renstra_model->get_all_units();
        }

        $this->load->view('renstra_dashboard', $data);
    }

    public function login() {
        if($_SERVER['REQUEST_METHOD'] == 'POST') {
            $nama_unit = $this->input->post('nama_unit');
            $password = $this->input->post('password');

            $user = $this->Renstra_model->check_login($nama_unit, $password);
            if($user) {
                $this->session->set_userdata(['unit_id' => $user->id, 'nama_unit' => $user->nama_unit, 'kategori' => $user->kategori]);
                redirect('renstra/index');
            } else {
                $this->session->set_flashdata('error', 'Login Gagal. Nama Unit atau Password salah.');
                redirect('renstra/login');
            }
        } else {
            $data['all_units'] = $this->Renstra_model->get_all_units();
            $this->load->view('renstra_login', $data);
        }
    }

    public function logout() {
        $this->session->sess_destroy();
        redirect('renstra/login');
    }

    public function upload_dokumen() {
        $config['upload_path']   = './uploads/renstra/'; // Buat folder ini di hosting (chmod 755)
        $config['allowed_types'] = 'pdf|doc|docx|xls|xlsx';
        $config['max_size']      = 10240;
        $this->load->library('upload', $config);

        if ($this->upload->do_upload('file_dokumen')) {
            $upload_data = $this->upload->data();
            $data = [
                'unit_id' => $this->session->userdata('unit_id'),
                'kategori' => $this->input->post('kategori_dokumen'),
                'file_name' => $upload_data['file_name'],
                'keterangan_analisis' => $this->input->post('keterangan_analisis'),
                'uploaded_at' => date('Y-m-d H:i:s')
            ];
            $this->Renstra_model->save_dokumen($data);
            $this->session->set_flashdata('success', 'Dokumen berhasil diunggah.');
        } else {
            $this->session->set_flashdata('error', $this->upload->display_errors());
        }
        redirect('renstra/index');
    }

    public function update_password() {
        if($this->session->userdata('nama_unit') != 'Admin Universitas') redirect('renstra/index');
        $target_unit_id = $this->input->post('target_unit_id');
        $new_password = $this->input->post('new_password');
        
        if($target_unit_id && $new_password) {
            $this->Renstra_model->update_password($target_unit_id, $new_password);
            $this->session->set_flashdata('success', 'Kata sandi berhasil diubah.');
        }
        redirect('renstra/index');
    }
}
<div style="border:1px solid #990000;padding-left:20px;margin:0 0 10px 0;">

<h4>A PHP Error was encountered</h4>

<p>Severity: Warning</p>
<p>Message:  Cannot modify header information - headers already sent by (output started at /home/ubpiacid/simrenstra.ubpi.ac.id/application/controllers/Renstra.php:1)</p>
<p>Filename: core/Common.php</p>
<p>Line Number: 571</p>


	<p>Backtrace:</p>
	
		
	
		
	
		
	
		
	
		
	
		
	
		
	
		
	
		
			<p style="margin-left:10px">
			File: /home/ubpiacid/simrenstra.ubpi.ac.id/index.php<br />
			Line: 315<br />
			Function: require_once			</p>

		
	

</div><!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>404 Page Not Found</title>
<style type="text/css">

::selection { background-color: #E13300; color: white; }
::-moz-selection { background-color: #E13300; color: white; }

body {
	background-color: #fff;
	margin: 40px;
	font: 13px/20px normal Helvetica, Arial, sans-serif;
	color: #4F5155;
}

a {
	color: #003399;
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}

h1 {
	color: #444;
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	border-bottom: 1px solid #D0D0D0;
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	font-weight: normal;
	margin: 0 0 14px 0;
	padding: 14px 15px 10px 15px;
}

code {
	font-family: Consolas, Monaco, Courier New, Courier, monospace;
	font-size: 12px;
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	border: 1px solid #D0D0D0;
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	display: block;
	margin: 14px 0 14px 0;
	padding: 12px 10px 12px 10px;
}

#container {
	margin: 10px;
	border: 1px solid #D0D0D0;
	box-shadow: 0 0 8px #D0D0D0;
}

p {
	margin: 12px 15px 12px 15px;
}
</style>
</head>
<body>
	<div id="container">
		<h1>404 Page Not Found</h1>
		<p>The page you requested was not found.</p>	</div>
</body>
</html>