Front-end post submission redirect

<?php
/*
Template Name: Submit Work
*/
?>

<?php get_header() ?>

    <div id="content" class="two_column">
        <div class="padder">
  <h1 class="page_title">Works<span class="work_logo"></span></h1>

        <?php do_action( 'bp_before_blog_page' ) ?>

        <div class="page" id="blog-page" role="main">
        <h2 class="posttitle">Submit Work</h2>

<!--SUBMIT POST-->
<div id="postBox">
<?php

// Check if the form was submitted
if( 'POST' == $_SERVER['REQUEST_METHOD'] && !empty( $_POST['action'] )) {

        // Do some minor form validation to make sure there is content
        if (isset ($_POST['title'])) {
                $title =  $_POST['title'];
        } else {
                echo 'Please enter a title';
        }
        if (isset ($_POST['description'])) {
                $description = htmlentities(trim(stripcslashes($_POST['description'])));
    } else {
        echo 'Please enter the content';
        }

        // Add the content of the form to $post as an array
        $type = trim($_POST['Type']);
        $post = array(
                'post_title'    => $title,
                'post_content'  => $description,

                'post_status'   => 'pending',                     // Choose: publish, preview, future, etc.
                'post_type'     => 'work',  // Use a custom post type if you want to
                'tax_input'    => array( $type)
        );
        $post_id = wp_insert_post($post);
        wp_redirect( 'http://localhost/buddypress/thank-you' );
            wp_set_post_terms($post_id,$type,'Type',true);
            if ($_FILES) {
    foreach ($_FILES as $file => $array) {
    $newupload = insert_attachment($file,$post_id);
    // $newupload returns the attachment id of the file that
    // was just uploaded. Do whatever you want with that now.
    }
}


} // end IF
// Do the wp_insert_post action to insert it
do_action('wp_insert_post', 'wp_insert_post');
?>

        <form id="new_post" name="new_post" class="post_work" method="post" enctype="multipart/form-data">
                <p><label for="title">Title</label><br />
                <input type="text" id="title" class="required" value="" tabindex="1" size="20" name="title" />
                </p>
                <p><label for="description">Description</label><br />
                <textarea id="description" type="text" class="required" tabindex="3" name="description" cols="50" rows="6"></textarea>
                </p>
                <p align="right"><input type="submit" value="Submit" tabindex="6" id="submit" name="submit" /></p>
                <p class="post_category"><label for="category">Category</label>
                <?php wp_dropdown_categories('taxonomy=Type&hide_empty=0&orderby=name&order=asc&name=Type') ?></p>

                <div style="clear:both;"></div>
<p><label for="attachment">Photos: </label><input type="file" id="attachment">
<div id="attachment_list"></div></p>



                <input type="hidden" name="post_type" id="post_type" value="domande" />
                <input type="hidden" name="action" value="post" />

                <?php wp_nonce_field( 'new-post' ); ?>
        </form>

</div>
<script>
    var multi_selector = new MultiSelector( document.getElementById( 'attachment_list' ), 8 );
    multi_selector.addElement( document.getElementById( 'attachment' ) );
</script>

<!--SUBMIT POST END-->

        </div><!-- .page -->

        <?php do_action( 'bp_after_blog_page' ) ?>

        </div><!-- .padder -->
    </div><!-- #content -->

    <?php locate_template( array( 'sidebar-work.php' ), true ) ?>

<?php get_footer(); ?>