// Custom Post Types
function wpt_job_post_type() {
	$labels = array(
		'name' => 'Vacancies',
		'singular_name' => 'Job Opportunity',
		'add_new' => 'Add New Job',
		'add_new_item' => 'Add New Job Opportunity',
		'edit_item' => 'Edit Job',
		'new_item' => 'New Job Opportunity',
		'view_item' => 'View Job',
		'search_items' => 'Search Careers',
		'not_found' => 'No jobs found',
		'not_found_in_trash' => 'No jobs found in Trash',
		'parent_item_colon' => 'Parent Job:'
	);
	$supports = array(
		'title',
		'editor',
		'thumbnail',
		'comments',
		'revisions',
	);
	$args = array(
		'labels'               => $labels,
		'supports'             => $supports,
		'public'               => true,
		'exclude_from_search' => false,
		'map_meta_cap'=> true,
		'capability_type'      => 'post',
		'rewrite'              => array(
			'slug' => 'vacancies',
			'with_front' => true,
			'pages' => true,
			'feeds' => 'careers'
		 ),
		'has_archive'          => true,
		'menu_position'        => 30,
		'menu_icon'            => 'dashicons-businessman',
		'taxonomies' => array('job-category'),
	);
	register_post_type( 'vacancies', $args );
}
add_action( 'init', 'wpt_job_post_type' );

register_taxonomy( 'job-category', array('vacancies'),
	array(
		'hierarchical' => true,
		'rewrite' => array('slug' => 'vacancies/job-category'),
		'query_var' => '',
		'public' => true,
		'show_ui' => true,
		'show_tagcloud' => true,
		'labels' => array(
			'name' => 'Job Categories',
			'singular_name' => 'Job Category',
			'search_items' => 'Search Job Categories',
			'popular_items' => 'Popular Job Categories',
			'all_items' => 'All Job Categories',
			'parent_item' => 'Parent Job Category',
			'parent_item_colon' => 'Parent Job Category:',
			'edit_item' => 'Edit Job Category',
			'update_item' => 'Update Job Category',
			'add_new_item' => 'Add New Job Category',
			'new_item_name' => 'New Job Category Name',
			'separate_items_with_commas' => 'Separate job categories with commas',
			'add_or_remove_items' => 'Add or remove job categories',
			'choose_from_most_used' => 'Choose from the most used job categories'
        	),
		'capabilities' => array(
			'manage_terms' => 'manage_categories',
			'edit_terms' => 'manage_categories',
			'delete_terms' => 'manage_categories',
			'assign_terms' => 'edit_posts'
		),
		'show_in_nav_menus' => true
	)
);

// Preload taxonomy with some common terms
$job_category_preload_terms = array(
	'Nurse',
	'Civil Engineer',
	'Electrician'
);
foreach($job_category_preload_terms as $job_category_term){
	wp_insert_term($job_category_term, 'job-category');
}

add_filter('single_template','job_single');
add_filter('archive_template','job_archive');

//route single- template
function job_single($single_template){
  global $post;
  $found = locate_template('single-job.php');
  if($post->post_type == 'vacancies' && $found != ''){
    $single_template = dirname(__FILE__).'/single-job.php';
  }
  return $single_template;
}

//route archive- template
function job_archive($template){
  if(is_post_type_archive('vacancies')){
    $theme_files = array('archive-job.php');
    $exists_in_theme = locate_template($theme_files, false);
      return dirname(__FILE__) . '/archive-job.php';
  }
  return $template;
}