<?php

/************************************
*   @author       Mian Saleem       *
*   @package      SMA3              *
*   @subpackage   install           *
************************************/

$installFile = "../SMA3";
$indexFile = "../index.php";
$configFolder = "../app/config";
$configFile = "../app/config/config.php";
$dbFile = "../app/config/database.php";
if (is_file($installFile)) { 

  $step = isset($_GET['step']) ? $_GET['step'] : '';
  switch ($step) {
    default: ?>
    <ul class="steps">
      <li class="active pk">Checklist</li>
      <li>Verify</li>
      <li>Database</li>
      <li>Site Config</li>
      <li class="last">Done!</li>
    </ul>
    <h3>Pre-Install Checklist</h3>
    <?php 
    $error = FALSE;
    if(!is_writeable($indexFile)){$error = TRUE; echo "<div class='alert alert-error'><i class='icon-remove'></i> Index Filer (index.php) is not writeable!</div>"; }
    if(!is_writeable($configFolder)){$error = TRUE; echo "<div class='alert alert-error'><i class='icon-remove'></i> Config Folder (app/config/) is not writeable!</div>"; }
    if(!is_writeable($configFile)){$error = TRUE; echo "<div class='alert alert-error'><i class='icon-remove'></i> Config File (app/config/config.php) is not writeable!</div>"; }
    if(!is_writeable($dbFile)){$error = TRUE; echo "<div class='alert alert-error'><i class='icon-remove'></i> Database File (app/config/database.php) is not writeable!</div>"; }
    if(phpversion() < "5.3"){$error = TRUE; echo "<div class='alert alert-error'><i class='icon-remove'></i> Your PHP version is ".phpversion()."! PHP 5.3 or higher required!</div>";}else{echo "<div class='alert alert-success'><i class='icon-ok'></i> You are running PHP ".phpversion()."</div>";} 
    if(!extension_loaded('mcrypt')){$error = TRUE; echo "<div class='alert alert-error'><i class='icon-remove'></i> Mcrypt PHP extension missing!</div>";}else{echo "<div class='alert alert-success'><i class='icon-ok'></i> Mcrypt PHP extension loaded!</div>";}
    if(!extension_loaded('mysqli')){$error = TRUE; echo "<div class='alert alert-error'><i class='icon-remove'></i> Mysqli PHP extension missing!</div>";}else{echo "<div class='alert alert-success'><i class='icon-ok'></i> Mysqli PHP extension loaded!</div>";}
    if(!extension_loaded('mbstring')){$error = TRUE; echo "<div class='alert alert-error'><i class='icon-remove'></i> MBString PHP extension missing!</div>";}else{echo "<div class='alert alert-success'><i class='icon-ok'></i> MBString PHP extension loaded!</div>";}
    if(!extension_loaded('gd')){$error = TRUE; echo "<div class='alert alert-error'><i class='icon-remove'></i> GD PHP extension missing!</div>";}else{echo "<div class='alert alert-success'><i class='icon-ok'></i> GD PHP extension loaded!</div>";}
    if(!extension_loaded('curl')){$error = TRUE; echo "<div class='alert alert-error'><i class='icon-remove'></i> CURL PHP extension missing!</div>";}else{echo "<div class='alert alert-success'><i class='icon-ok'></i> CURL PHP extension loaded!</div>";}
    ?>      
    <div class="bottom">
      <?php if($error){ ?>
      <a href="#" class="btn btn-primary disabled">Next Step</a>
      <?php }else{ ?>
      <a href="index.php?step=0" class="btn btn-primary">Next Step</a>
      <?php } ?>
    </div>

    <?php
    break;
    case "0": ?>
    <ul class="steps">
      <li class="ok"><i class="icon icon-ok"></i>Checklist</li>
      <li class="active">Verify</li>
      <li>Database</li>
      <li>Site Config</li>
      <li class="last">Done!</li>
    </ul>
    <h3>Verify your purchase</h3>
    <?php
    if($_POST){
      $code = $_POST["code"];
      $username = $_POST["username"];
      $curl_handle = curl_init();  
      curl_setopt($curl_handle, CURLOPT_URL, 'http://api.tecdiary.com/v1/license/');  
      curl_setopt($curl_handle, CURLOPT_RETURNTRANSFER, 1);  
      curl_setopt($curl_handle, CURLOPT_POST, 1);  
      $referer = "http://".$_SERVER["SERVER_NAME"].substr($_SERVER["REQUEST_URI"], 0, -24);
      $path = substr(realpath(dirname(__FILE__)), 0, -8);
      curl_setopt($curl_handle, CURLOPT_POSTFIELDS, array(  
        'username' => $_POST["username"], 
        //'email' => $_POST["email"], 
        'code' => $_POST["code"] ,
        'id' => '5403161',
        'ip' => $_SERVER['REMOTE_ADDR'],
        'referer' => $referer,
        'path' => $path
        ));  
      
      $buffer = curl_exec($curl_handle);  
      curl_close($curl_handle);  
      if (! (is_object(json_decode($buffer)))) { 
        $cfc = strip_tags($buffer); 
      } else {
        $cfc = NULL;
      }
      $object = json_decode($buffer);  

      if ($object->status == 'success') { 
        ?>
        <form action="index.php?step=1" method="POST" class="form-horizontal">
          
          <div class="alert alert-success"><i class='icon-ok'></i> <strong><?php echo ucfirst($object->status); ?></strong>:<br /><?php echo $object->message; ?></div>   
          <input id="code" type="hidden" name="code" value="<?php echo $code; ?>" />
          <input id="username" type="hidden" name="username" value="<?php echo $username; ?>" />
          <div class="bottom">
            <input type="submit" class="btn btn-primary" value="Next Step"/>
          </div>
        </form>
        <?php } else { ?>
        <div class="alert alert-error"><i class='icon-remove'></i> <strong><?php echo ucfirst($object->status); ?> <?php echo $cfc ? 'CloudFlare Security Error (request challenge/blacklist IP)' : ''; ?> :</strong><br /> <?php echo $object->message; ?><?php echo substr($cfc, -200, 150) ; ?></div>
        <form action="index.php?step=0" method="POST" class="form-horizontal">
          <div class="control-group">
            <label class="control-label" for="username">Envato Username</label>
            <div class="controls">
              <input id="username" type="text" name="username" class="input-large" required data-error="Username is required" placeholder="Envato Username" />
            </div>
          </div>
      <div class="control-group">
        <label class="control-label" for="code">Purchase Code <a href="#myModal" role="button" data-toggle="modal"><i class="icon-question-sign"></i></a></label>
        <div class="controls">
          <input id="code" type="text" name="code" class="input-large" required data-error="Purchase Code is required" placeholder="Purchase Code" />
        </div>
      </div>
      <div class="bottom">
        <input type="submit" class="btn btn-primary" value="Check"/>
      </div>
  </form>
  <?php
}
}else{  ?>
<p>Please enter the required information to register free support account and varify your purchase. </p><br>
<form action="index.php?step=0" method="POST" class="form-horizontal">
  <div class="control-group">
    <label class="control-label" for="username">Envato Username</label>
    <div class="controls">
      <input id="username" type="text" name="username" class="input-large" required data-error="Username is required" placeholder="Envato Username" />
    </div>
  </div>
      <div class="control-group">
        <label class="control-label" for="code">Purchase Code <a href="#myModal" role="button" data-toggle="modal"><i class="icon-question-sign"></i></a></label>
        <div class="controls">
          <input id="code" type="text" name="code" class="input-large" required data-error="Purchase Code is required" placeholder="Purchase Code" />
        </div>
      </div>
      
      <div class="bottom">
        <input type="submit" class="btn btn-primary" value="Validate"/>
      </div>
  </form>
  <?php }
  break;
  case "1": ?>
  <ul class="steps">
    <li class="ok"><i class="icon icon-ok"></i>Checklist</li>
    <li class="ok"><i class="icon icon-ok"></i>Verify</li>
    <li class="active">Database</li>
    <li>Site Config</li>
    <li class="last">Done!</li>
  </ul>
  <?php if($_POST){ ?>
  <h3>Database Config</h3>
  <p>If the database does not exist the system will try to create it.</p>
  <form action="index.php?step=2" method="POST" class="form-horizontal">
    <div class="control-group">
      <label class="control-label" for="dbhost">Database Host</label>
      <div class="controls">
        <input id="dbhost" type="text" name="dbhost" class="input-large" required data-error="DB Host is required" placeholder="DB Host" value="localhost" />
      </div>
    </div>
    <div class="control-group">
      <label class="control-label" for="dbusername">Database Username</label>
      <div class="controls">
        <input id="dbusername" type="text" name="dbusername" class="input-large" required data-error="DB Username is required" placeholder="DB Username" />
      </div>
    </div>
    <div class="control-group">
      <label class="control-label" for="dbpassword">Database Password</a></label>
      <div class="controls">
        <input id="dbpassword" type="password" name="dbpassword" class="input-large" data-error="DB Password is required" placeholder="DB Password" />
      </div>
    </div>
    <div class="control-group">
      <label class="control-label" for="dbname">Database Name</label>
      <div class="controls">
        <input id="dbname" type="text" name="dbname" class="input-large" required data-error="DB Name is required" placeholder="DB Name" />
      </div>
    </div>
    
    <input id="code" type="hidden" name="code" value="<?php echo $_POST['code']; ?>" />
    <input type="hidden" name="username" value="<?php echo $_POST['username']; ?>" />
    <div class="bottom">
      <input type="submit" class="btn btn-primary" value="Next Step"/>
    </div>
  </form>
  <?php }
  break;
  case "2":
  ?>
  <ul class="steps">
    <li class="ok"><i class="icon icon-ok"></i>Checklist</li>
    <li class="ok"><i class="icon icon-ok"></i>Verify</li>
    <li class="active">Database</li>
    <li>Site Config</li>
    <li class="last">Done!</li>
  </ul>
  <h3>Saving database config</h3>
  <?php
  if($_POST){
    $dbhost = $_POST["dbhost"];
    $dbusername = $_POST["dbusername"];
    $dbpassword = $_POST["dbpassword"];
    $dbname = $_POST["dbname"];
    $code = $_POST["code"];
    $username = $_POST["username"];
    $link = new mysqli($dbhost, $dbusername, $dbpassword);
    if (mysqli_connect_errno()) {
        echo "<div class='alert alert-error'><i class='icon-remove'></i> Could not connect to MYSQL!</div>";
    } else {
        echo '<div class="alert alert-success"><i class="icon-ok"></i> Connection to MYSQL successful!</div>';
        $db_selected = mysqli_select_db($link, $dbname);
        if (!$db_selected) {
            if (!mysqli_query($link, "CREATE DATABASE IF NOT EXISTS `$dbname`")) {
                echo "<div class='alert alert-error'><i class='icon-remove'></i> Database " . $dbname . " does not exist and could not be created. Please create the Database manually and retry this step.</div>";
                return FALSE;
            } else {
                echo "<div class='alert alert-success'><i class='icon-ok'></i> Database " . $dbname . " created</div>";
            }
        }
        mysqli_select_db($link, $dbname);
      
      require_once('includes/core_class.php');
      $core = new Core();
      $dbdata = array(
        'hostname' => $dbhost,
        'username' => $dbusername,
        'password' => $dbpassword,
        'database' => $dbname
        );
      
      if ($core->write_database($dbdata) == false) {
        echo "<div class='alert alert-error'><i class='icon-remove'></i> Failed to write database details to ".$dbFile."</div>";
      } else { 
        echo "<div class='alert alert-success'><i class='icon-ok'></i> Database config written to the database file.</div>"; 
      }
      
    }
  } else { echo "<div class='alert alert-success'><i class='icon-question-sign'></i> Nothing to do...</div>"; }
  ?>
  <div class="bottom">
    <form action="index.php?step=1" method="POST" class="form-horizontal">
      <input id="code" type="hidden" name="code" value="<?php echo $_POST['code']; ?>" />
      <input id="username" type="hidden" name="username" value="<?php echo $_POST['username']; ?>" />
      <input type="submit" class="btn pull-left" value="Previous Step"/>
    </form>
    <form action="index.php?step=3" method="POST" class="form-horizontal">
      <input id="code" type="hidden" name="code" value="<?php echo $_POST['code']; ?>" />
      <input id="username" type="hidden" name="username" value="<?php echo $_POST['username']; ?>" />
      <input type="submit" class="btn btn-primary pull-right" value="Next Step">
    </form>
    <br clear="all">
  </div>
  <?php
  break;
  case "3":
  ?>
  <ul class="steps">
    <li class="ok"><i class="icon icon-ok"></i>Checklist</li>
    <li class="ok"><i class="icon icon-ok"></i>Verify</li>
    <li class="ok"><i class="icon icon-ok"></i>Database</li>
    <li class="active">Site Config</li>
    <li class="last">Done!</li>
  </ul>
  <h3>Site Config</h3>
  <?php if($_POST){ ?>
  <form action="index.php?step=4" method="POST" class="form-horizontal">
    <div class="control-group">
      <label class="control-label" for="domain">Base URL</label>
      <div class="controls">
        <input type="text" id="domain" name="domain" class="xlarge" required data-error="Base URL is required" value="<?php echo "http://".$_SERVER["SERVER_NAME"].substr($_SERVER["REQUEST_URI"], 0, -24); ?>" />
      </div>
    </div>
    <div class="control-group">
      <label class="control-label" for="domain">SECRET KEY</label>
      <div class="controls">
        <?php $characters = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'; ?>
        <input type="text" id="enckey" name="enckey" class="xlarge" required data-error="SECRET KEY is required" value="<?php echo substr(str_shuffle($characters), 25); ?>" />
      </div>
    </div>
    <div class="control-group">
      <label class="control-label" for="domain">Your Timezone</a></label>
      <div class="controls">
        <?php 
        $timezones = DateTimeZone::listIdentifiers();
        echo '<select name="timezone" required="required" data-error="TimeZone is required">';
        foreach ($timezones as $tz){
          echo '<option value="'.$tz.'">'.$tz.'</option>';
        }
        echo '</select>'; ?>
      </div>
    </div>    
    <input type="hidden" name="code" value="<?php echo $_POST['code']; ?>" />
    <input type="hidden" name="username" value="<?php echo $_POST['username']; ?>" />
    <div class="bottom">
      <a href="index.php?step=2" class="btn pull-left">Previous Step</a>
      <input type="submit" class="btn btn-primary" value="Next Step"/>
    </div>
  </form>
  
  <?php }
  break;
  case "4":
  ?>
  <ul class="steps">
    <li class="ok"><i class="icon icon-ok"></i>Checklist</li>
    <li class="ok"><i class="icon icon-ok"></i>Verify</li>
    <li class="ok">Database</li>
    <li class="active">Site Config</li>
    <li class="last">Done!</li>
  </ul>
  <h3>Saving site config</h3>
  <?php
  if($_POST){
    $domain = $_POST['domain'];
    $enckey = $_POST['enckey'];
    $timezone = $_POST['timezone'];
    $code = $_POST["code"];
    $username = $_POST["username"];

    require_once('includes/core_class.php');
    $core = new Core();
    
    if ($core->write_config($domain, $enckey) == false) {
      echo "<div class='alert alert-error'><i class='icon-remove'></i> Failed to write config details to ".$configFile."</div>";
    } elseif ($core->write_index($timezone) == false) {
      echo "<div class='alert alert-error'><i class='icon-remove'></i> Failed to write timezone details to ".$indexFile."</div>";
    } else { 
      echo "<div class='alert alert-success'><i class='icon-ok'></i> Config details written to the config file.</div>"; 
    }
    
    
  } else { echo "<div class='alert alert-success'><i class='icon-question-sign'></i> Nothing to do...</div>"; }
  ?>
  <div class="bottom">
    <form action="index.php?step=2" method="POST" class="form-horizontal">
      <input id="code" type="hidden" name="code" value="<?php echo $_POST['code']; ?>" />
      <input id="username" type="hidden" name="username" value="<?php echo $_POST['username']; ?>" />
      <input type="submit" class="btn pull-left" value="Previous Step"/>
    </form>
    <form action="index.php?step=5" method="POST" class="form-horizontal">
      <input id="code" type="hidden" name="code" value="<?php echo $_POST['code']; ?>" />
      <input id="username" type="hidden" name="username" value="<?php echo $_POST['username']; ?>" />
      <input type="submit" class="btn btn-primary pull-right" value="Next Step">
    </form>
    <br clear="all">
  </div>

  <?php
  break;
  case "5": ?>
  <ul class="steps">
    <li class="ok"><i class="icon icon-ok"></i>Checklist</li>
    <li class="ok"><i class="icon icon-ok"></i>Verify</li>
    <li class="ok"><i class="icon icon-ok"></i>Database</li>
    <li class="ok"><i class="icon icon-ok"></i>Site Config</li>
    <li  class="active">Done!</li>
  </ul>

  <?php if($_POST){
    $code = $_POST['code'];
    $username = $_POST['username'];
    define("BASEPATH", "install/");
    include("../app/config/database.php");
    $curl_handle = curl_init();  
    curl_setopt($curl_handle, CURLOPT_URL, 'http://api.tecdiary.com/v1/dbtables/');  
    curl_setopt($curl_handle, CURLOPT_RETURNTRANSFER, 1);  
    curl_setopt($curl_handle, CURLOPT_POST, 1);  
    curl_setopt($curl_handle, CURLOPT_POSTFIELDS, array(  
      'username' => $_POST["username"], 
      'code' => $_POST["code"] ,
      'id' => '5403161',
      'version' => '3.0',
      'type' => 'install'
      ));  
    $buffer = curl_exec($curl_handle);  
    curl_close($curl_handle);  
    $object = json_decode($buffer); 
    
    if ($object->status == 'success') {
      $dbdata = array(
        'hostname' => $db['default']['hostname'],
        'username' => $db['default']['username'],
        'password' => $db['default']['password'],
        'database' => $db['default']['database'],
        'dbtables' => $object->database
        );
      require_once('includes/database_class.php');
      $database = new Database();
      if ($database->create_tables($dbdata, $_POST['username'], $_POST['code']) == false) {
        $finished = FALSE;
        echo "<div class='alert alert-warning'><i class='icon-warning'></i> The database tables could not be created, please try again.</div>";
      } else {
        $finished = TRUE;
        if(!@unlink('../SMA3')){
          echo "<div class='alert alert-warning'><i class='icon-warning'></i> Please remove the SMA3 file from the main folder in order to lock the installer.</div>";
        }
        
      }

    }else{
      echo "<div class='alert alert-error'><i class='icon-remove'></i> Error while validating your purchase code!</div>";
    }
    
  } 
  if($finished) {
    ?>
    
    <h3><i class='icon-ok'></i> Installation completed!</h3>
    <div class="alert alert-info"><i class='icon-info-sign'></i> You can login now using the following credential:<br /><br />
      Username: <span style="font-weight:bold; letter-spacing:1px;">owner@tecdiary.com</span><br />Password: <span style="font-weight:bold; letter-spacing:1px;">12345678</span><br /><br /></div>
      <div class="alert alert-warning"><i class='icon-warning-sign'></i> Please don't forget to change username and password.</div>
      <div class="bottom">
        <a href="<?php echo "http://".$_SERVER["SERVER_NAME"].substr($_SERVER["REQUEST_URI"], 0, -24); ?>" class="btn btn-primary">Go to Login</a>
      </div>
      
      <?php 
    }
  }

}else{
  echo "<div style='width: 100%; font-size: 10em; color: #757575; text-shadow: 0 0 2px #333, 0 0 2px #333, 0 0 2px #333; text-align: center;'><i class='icon-lock'></i></div><h3 class='alert-text text-center'>Installer is locked!<br><small style='color:#666;'>Please contact your developer/support.</small></h3>";
}
?>


<!-- Modal -->
<div id="myModal" class="modal hide fade" tabindex="-1" role="dialog" aria-labelledby="myModalLabel" aria-hidden="true">
  <div class="modal-header">
    <button type="button" class="close" data-dismiss="modal" aria-hidden="true"><i class="icon-remove"></i></button>
    <h3 id="myModalLabel">How to find your purchase code</h3>
  </div>
  <div class="modal-body">
    <img src="img/purchaseCode.png">
  </div>
</div>