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

class Login extends CI_Controller {
    public function __construct(){
        parent::__construct();
    }

    public function index(){
        // validasi email dan password
        $this->form_validation->set_rules('email', 'Email', 'trim|required|valid_email',[
            'required'=>'Email Harus Diisi',
            'valid_email'=>'Email Tidak Valid']);
        $this->form_validation->set_rules('password', 'Password', 'trim|required',[
            'required'=>'Password Harus Diisi']);

        // email atau password kosong atau email tidak valid maka jalankan
        if ($this->form_validation->run()==false) {
            $this->load->view('login');
        } else {
            // jika validasi berhasil
            $this->_login();
        }
    }

    private function _login(){
        // mengambil email dan password yang diisikan user
        $email = $this->input->post('email');
        $password = $this->input->post('password');

        $user = $this->db->get_where('user', ['username' => $email])->row_array();

        if ($user) {
            // usernya ada
            if (password_verify($password, $user['password'])) {
                // simpan data di session
                $data = [
                    'username'=>$user['username']
                ];

                $this->session->set_userdata($data);
                redirect('user');
            } else {
                    // jika password salah
                $this->session->set_flashdata('message','<div class="pesan pesan-error" role="alert">Password Salah</div>');
                redirect('login');
            }
        } else {
                // tidak ada user dengan email tersebut
            $this->session->set_flashdata('message','<div class="pesan pesan-error" role="alert">Email Belum Terdaftar</div>');
            redirect('login');
        }
    }

    public function register(){
        $this->form_validation->set_rules('nama', 'Nama', 'required|trim');
        $this->form_validation->set_rules('email', 'Email', 'required|trim|valid_email|is_unique[user.username]',[
            'valid_email'=>'Email Tidak Valid',
            'required'=>'Email Tidak Boleh Kosong',
            'is_unique'=>'email sudah terdaftar']);

        $this->form_validation->set_rules('pass1', 'Password', 'required|trim|min_length[3]|matches[pass2]',[
            'matches'=>'Password Harus Sama',
            'min_length'=>'Minimal 3 Carakter']);

        $this->form_validation->set_rules('pass2', 'Password', 'required|trim|matches[pass1]');

        // jika validasi salah maka
        if ($this->form_validation->run()==false) {
            $data['title']='Registrasi User';
            $this->load->view('register',$data);
        } else {
            // jika sukses maka simpan kedalam database
            $data = [
                'nama'=>htmlspecialchars($this->input->post('nama',true)),
                'username'=>htmlspecialchars($this->input->post('email',true)),
                'password'=>password_hash($this->input->post('pass1'),PASSWORD_DEFAULT)
            ];

            $this->db->insert('user', $data);
            $this->session->set_flashdata('message','<div class="pesan pesan-berhasil" role="alert">Selamat! akun anda sudah dibuat. Silahkan login</div>');
            redirect('login');
        }
    }
}