<?php

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

/* 	
 * 	@author : Joyonto Roy
 * 	30th July, 2014
 * 	Creative Item
 * 	www.creativeitem.com
 * 	http://codecanyon.net/user/joyontaroy
 */

class Login extends CI_Controller {

    function __construct() {
        parent::__construct();
        $this->load->library('session');
        $this->load->model('crud_model');
        $this->load->database();
        /* cache control */
        $this->output->set_header('Last-Modified: ' . gmdate("D, d M Y H:i:s") . ' GMT');
        $this->output->set_header('Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0');
        $this->output->set_header('Pragma: no-cache');
        $this->output->set_header("Expires: Mon, 26 Jul 2010 05:00:00 GMT");
    }

    //Default function, redirects to logged in user area
    public function index() {

        if ($this->session->userdata('admin_login') == 1)
            redirect(base_url() . 'index.php?admin/dashboard', 'refresh');

        else if ($this->session->userdata('staff_login') == 1)
            redirect(base_url() . 'index.php?staff/dashboard', 'refresh');

        else if ($this->session->userdata('client_login') == 1)
            redirect(base_url() . 'index.php?client/dashboard', 'refresh');

        $this->load->view('backend/login');
    }

    //Ajax login function 
    function ajax_login()
	{
		$response = array();
		
		//Recieving post input of email, password from ajax request
		$email 		= $_POST["email"];
		$password 	= $_POST["password"];
		$response['submitted_data'] = $_POST;		
		
		//Validating login
		$login_status = $this->validate_login( $email ,  $password );
		$response['login_status'] = $login_status;
		if ($login_status == 'success') {
			$response['redirect_url'] = $this->session->userdata('last_page');
		}
		
		//Replying ajax request with validation response
		echo json_encode($response);
	}

    //Validating login from ajax request
    function validate_login($email = '', $password = '') {
        $credential = array('email' => $email, 'password' => sha1($password));


        // Checking login credential for admin
        $query = $this->db->get_where('admin', $credential);
        if ($query->num_rows() > 0) {
            $row = $query->row();
            $this->session->set_userdata('admin_login', '1');
            $this->session->set_userdata('login_user_id', $row->admin_id);
            $this->session->set_userdata('name', $row->name);
            $this->session->set_userdata('login_type', 'admin');
            return 'success';
        }

        // Checking login credential for staff
        $query = $this->db->get_where('staff', $credential);
        if ($query->num_rows() > 0) {
            $row = $query->row();
            $this->session->set_userdata('staff_login', '1');
            $this->session->set_userdata('login_user_id', $row->staff_id);
            $this->session->set_userdata('name', $row->name);
            $this->session->set_userdata('login_type', 'staff');
            return 'success';
        }

        // Checking login credential for client
        $query = $this->db->get_where('client', $credential);
        if ($query->num_rows() > 0) {
            $row = $query->row();
            $this->session->set_userdata('client_login', '1');
            $this->session->set_userdata('login_user_id', $row->client_id);
            $this->session->set_userdata('name', $row->name);
            $this->session->set_userdata('login_type', 'client');
            return 'success';
        }


        return 'invalid';
    }

    function forgot_password() {
        $this->load->view('backend/forgot_password');
    }

    function ajax_forgot_password() {
        $resp = array();
        $resp['status'] = 'false';
        $email = $_POST["email"];
        $reset_account_type = '';
        //resetting user password here
        $new_password = substr(md5(rand(100000000, 20000000000)), 0, 7);
        $new_hashed_password = sha1($new_password);

        // Checking credential for admin
        $query = $this->db->get_where('admin', array('email' => $email));
        if ($query->num_rows() > 0) {
            $reset_account_type = 'admin';
            $this->db->where('email', $email);
            $this->db->update('admin', array('password' => $new_hashed_password));
            $resp['status'] = 'true';
            // send new password to user email  
            $this->email_model->notify_email('password_reset_confirmation', $reset_account_type, $email, $new_password);
        }
        // Checking credential for staff
        $query = $this->db->get_where('staff', array('email' => $email));
        if ($query->num_rows() > 0) {
            $reset_account_type = 'staff';
            $this->db->where('email', $email);
            $this->db->update('staff', array('password' => $new_hashed_password));
            $resp['status'] = 'true';
            // send new password to user email  
            $this->email_model->notify_email('password_reset_confirmation', $reset_account_type, $email, $new_password);
        }
        // Checking credential for client
        $query = $this->db->get_where('client', array('email' => $email));
        if ($query->num_rows() > 0) {
            $reset_account_type = 'client';
            $this->db->where('email', $email);
            $this->db->update('client', array('password' => $new_hashed_password));
            $resp['status'] = 'true';
            // send new password to user email  
            $this->email_model->notify_email('password_reset_confirmation', $reset_account_type, $email, $new_password);
        }


        $resp['submitted_data'] = $_POST;

        echo json_encode($resp);
    }

    function create_new_account() {
        $this->load->view('backend/create_new_account');
    }

    function ajax_create_new_account() {
        $resp = array();

        $data['name'] = $_POST["name"];
        $data['email'] = $_POST["email"];
        $data['password'] = sha1($_POST["password"]);

        $this->db->insert('client_pending', $data);

        // send new password to user email  
        //$this->email_model->notify_email('new_client_account_signup' , $reset_account_type , $email , $new_password);


        $resp['submitted_data'] = $_POST;

        echo json_encode($resp);
    }

    /*     * *RESET AND SEND PASSWORD TO REQUESTED EMAIL*** */

    function reset_password() {
        $account_type = $this->input->post('account_type');
        if ($account_type == "") {
            redirect(base_url(), 'refresh');
        }
        $email = $this->input->post('email');
        $result = $this->email_model->password_reset_email($account_type, $email); //SEND EMAIL ACCOUNT OPENING EMAIL
        if ($result == true) {
            $this->session->set_flashdata('flash_message', get_phrase('password_sent'));
        } else if ($result == false) {
            $this->session->set_flashdata('flash_message', get_phrase('account_not_found'));
        }

        redirect(base_url(), 'refresh');
    }

    /*     * ************ Project Quote ******************* */

    function project_quote($param1 = '', $param2 = '') {
        if ($param1 == 'view') {
            $value = array();
            $a = rand(1, 10);
            $b = rand(1, 10);
            $c = rand(1, 10) % 3;
            if ($c == 0) {
                $operator = '+';
                $ans = $a + $b;
            } else if ($c == 1) {
                $operator = 'X';
                $ans = $a * $b;
            } else if ($c == 2) {
                $operator = '-';
                $ans = $a - $b;
            }

            $this->session->set_userdata('security_ans', $ans);

            $value['question'] = $a . " " . $operator . " " . $b . " = ?";
            $this->load->view('backend/project_quote', $value);
        }
        if ($param1 == 'create') {
            $answer = $this->input->post('answer');
            $ans = $this->input->post('ans');
            if ($ans == $answer) {
                $this->crud_model->create_project_quote_public();
                $this->session->set_flashdata('flash_message', get_phrase('quote_created_successfuly'));
                redirect(base_url(), 'refresh');
            } else {
                $this->session->set_flashdata('flash_message', get_phrase('failed'));
                redirect(base_url() . 'index.php?login/project_quote/view', 'refresh');
            }
        }
    }

    /*     * *****LOGOUT FUNCTION ****** */

    function logout() {
        $this->session->sess_destroy();
        $this->session->set_flashdata('logout_notification', 'logged_out');
        redirect(base_url(), 'refresh');
    }

}