<?php

        if(!empty($_POST['id']) && isset($_POST['id'])) {

    header("Location: ?m=search.results&id=".$_POST['id']."");

    } elseif(!empty($_POST['major']) && isset($_POST['major'])) {

    header("Location: ?m=search.results&major=".$_POST['major']."");

    } elseif(!empty($_POST['college']) && isset($_POST['major'])) {

header("Location: ?m=search.results&college=".$_POST['college']."");

    } elseif (!empty($_POST['name']) && isset($_POST['name'])) {

  //if(preg_match("/^[  a-zA-Z]+/", $_POST['name'])){
 // $name=$_POST['name'];

header("Location: ?m=search.results&name=".$_POST['name']."");


  } elseif (!empty($_POST['id']) && !empty($_POST['college']) && !empty($_POST['major']) && isset($_POST['submit']) && !empty($_POST['name'])) {

    echo "<div class='alert alert-danger'>No students found. Please try different parameters.</div>";



    }

    ?>


     <h4>Search</h4>

    <form method="POST">
        <table width="100%">


    <tr><td>ID:</td><td> <input type="text" name="id" class="form-control"></textarea></td></tr>

     <tr><td>Name:</td><td> <input type="text" name="name" class="form-control"></textarea></td></tr>

    <tr><td>Major:</td><td><select name="major" class="form-control"><option></option><?php echo majorSelect(); ?></select></td></tr>

    <tr><td>College:</td><td><select name="college" class="form-control"><option></option><?php echo collegeSelect(); ?></select></td></tr>


    <tr><td colspan="2"><input type="submit" name="submit" value="Search" class="btn btn-lrg btn-primary" style="margin-top:10px;"></td></tr>

    </table>
            </form>

<!-- If major is set -->
   <?php  if(isset($_GET['id'])){


   ?>

        <?php

            $students = $db->query("SELECT * FROM `user_details` a, `user` b WHERE a.uid = b.id AND a.uid = '".$_GET['id']."'");


                while($student = $students->fetch()) {

                echo '
                    <tr>
                        <td>'.$student['uid'].'</td>
                        <td>'.$student['name'].'</td>
                            <td>'.$student['major'].'</td>
                            <td>'.$student['college'].'</td>
                        <td><a href="?m=profile&id='.$student['id'].'" style="display:block">View</a></td>

                    </tr>';

            }

                ?>

                <!-- If major is set -->
                <?php } elseif(isset($_GET['major'])){  ?>



                <?php

                $students = $db->query("SELECT * FROM `user_details` a, `user` b WHERE a.uid = b.id AND a.major = '".$_GET['major']."'");

                while($student = $students->fetch()) {

                echo '
                    <tr>
                        <td>'.$student['uid'].'</td>
                        <td>'.$student['name'].'</td>
                            <td>'.$student['major'].'</td>
                            <td>'.$student['college'].'</td>

                        <td><a href="?m=profile&id='.$student['id'].'" style="display:block">View</a></td>

                    </tr>';

            }



        ?>


           <!-- If college is set -->
                <?php } elseif(isset($_GET['college'])){  ?>



                <?php

                $students = $db->query("SELECT * FROM `user_details` a, `user` b WHERE a.uid = b.id AND a.college = '".$_GET['college']."'");

                while($student = $students->fetch()) {

                echo '
                    <tr>
                        <td>'.$student['uid'].'</td>
                        <td>'.$student['name'].'</td>
                            <td>'.$student['major'].'</td>
                            <td>'.$student['college'].'</td>
                        <td><a href="?m=profile&id='.$student['id'].'" style="display:block">View</a></td>

                    </tr>';

            }



        ?>

       <!-- If name is set -->
       <?php } elseif(isset($_GET['name'])){  ?>



                <?php

                $name = $_GET['name'];

                $students = $db->query("SELECT * FROM `user_details` a, `user` b WHERE a.uid = b.id AND b.name LIKE '%". $name . "%'");

                while($student = $students->fetch()) {

                echo '
                    <tr>
                        <td>'.$student['uid'].'</td>
                        <td>'.$student['name'].'</td>
                            <td>'.$student['major'].'</td>
                            <td>'.$student['college'].'</td>
                        <td><a href="?m=profile&id='.$student['id'].'" style="display:block">View</a></td>

                    </tr>';

            }



        ?>



        <?php } ?>