<?php

defined('BASEPATH') OR exit('No direct script access allowed');
/*
MERM Providers Login
*/
class Login extends Web_Controller {

    public function index() {
      
        $data = array();
        $data['username'] = $data['pass'] = $data['error_message']='';

        if ($_POST) {

            $data['username'] = trim($this->input->post('username'));
            $data['pass'] = htmlspecialchars($this->input->post('pass'));
            $outData = array();
            $loginResult = $this->verifyLoginInput($data); // initial test
            if ($loginResult == true) {

                $loginResult = false; // reset again for real login
                $loginResult = $this->loginUser($data, $outData);
                if (true == $loginResult) {
                    $out = array();
                    redirect('provider');  // provider controller extend Provider_Controller- this check session valid 
                }
            }// if valid input was supplied
            else
            {
                $data['error_message']="Invalid Username or Password";
            }

            if (false == $loginResult) {
                $this->renderExternalPage('welcome_message', $data); // get here if login galis
            }
        } else {
            $this->renderExternalPage('welcome_message', $data);
        }
    } // end of index Login

    private function verifyLoginInput(&$data) {

        $ret = false;
        if ($data['username'] == '' or $data['pass'] == '') {
            $data['error_message']="Username and password required";
        }

        if (trim($data['username']) != '' or trim($data['pass']) != '') {
            $ret = true;
        }

        return $ret;
    }

}