<?php

new WPCOM_JSON_API_Get_Term_Endpoint( array(
	'description' => 'Get information about a single term.',
	'group'       => 'taxonomy',
	'stat'        => 'terms:1',
	'method'      => 'GET',
	'path'        => '/sites/%s/taxonomies/%s/terms/slug:%s',
	'path_labels' => array(
		'$site'     => '(int|string) Site ID or domain',
		'$taxonomy' => '(string) Taxonomy',
		'$slug'     => '(string) Term slug',
	),
	'response_format' => array(
		'ID'          => '(int) The term ID.',
		'name'        => '(string) The name of the term.',
		'slug'        => '(string) The slug of the term.',
		'description' => '(string) The description of the term.',
		'post_count'  => '(int) The number of posts using this term.',
		'parent'      => '(int) The parent ID for the term, if hierarchical.',
	),
	'example_request'  => 'https://public-api.wordpress.com/rest/v1/sites/en.blog.wordpress.com/taxonomies/post_tag/terms/slug:wordpresscom'
) );

class WPCOM_JSON_API_Get_Term_Endpoint extends WPCOM_JSON_API_Endpoint {
	// /sites/%s/taxonomies/%s/terms/slug:%s -> $blog_id, $taxonomy, $slug
	function callback( $path = '', $blog_id = 0, $taxonomy = 'category', $slug = 0 ) {
		$blog_id = $this->api->switch_to_blog_and_validate_user( $this->api->get_blog_id( $blog_id ) );
		if ( is_wp_error( $blog_id ) ) {
			return $blog_id;
		}

		if ( defined( 'IS_WPCOM' ) && IS_WPCOM ) {
			$this->load_theme_functions();
		}

		$taxonomy_meta = get_taxonomy( $taxonomy );
		if ( false === $taxonomy_meta || ( ! $taxonomy_meta->public && 
				! current_user_can( $taxonomy_meta->cap->assign_terms ) ) ) {
			return new WP_Error( 'invalid_taxonomy', 'The taxonomy does not exist', 400 );
		}

		$args = $this->query_args();
		$term = $this->get_taxonomy( $slug, $taxonomy, $args['context'] );
		if ( ! $term || is_wp_error( $term ) ) {
			return $term;
		}

		/** This action is documented in json-endpoints/class.wpcom-json-api-site-settings-endpoint.php */
		do_action( 'wpcom_json_api_objects', 'terms' );

		return $term;
	}
}