<?php

class Tribe__Events__REST__V1__Endpoints__Single_Tag
	extends Tribe__Events__REST__V1__Endpoints__Term_Single_Base
	implements Tribe__REST__Endpoints__READ_Endpoint_Interface,
	Tribe__REST__Endpoints__CREATE_Endpoint_Interface,
	Tribe__REST__Endpoints__DELETE_Endpoint_Interface,
	Tribe__REST__Endpoints__UPDATE_Endpoint_Interface,
	Tribe__Documentation__Swagger__Provider_Interface {

	/**
	 * Returns the content of the `args` array that should be used to register the endpoint
	 * with the `register_rest_route` function.
	 *
	 * @since 4.6
	 *
	 * @return array
	 */
	public function CREATE_args() {
		return [
			'name'        => [
				'required'          => true,
				'validate_callback' => [ $this->validator, 'is_string' ],
				'type'              => 'string',
				'description'       => __( 'The event tag name', 'the-events-calendar' ),
			],
			'description' => [
				'required'          => false,
				'validate_callback' => [ $this->validator, 'is_string' ],
				'type'              => 'string',
				'description'       => __( 'The event tag description', 'the-events-calendar' ),
			],
			'slug'        => [
				'required'          => false,
				'validate_callback' => [ $this->validator, 'is_string' ],
				'type'              => 'string',
				'description'       => __( 'The event tag slug', 'the-events-calendar' ),
			],
		];
	}

	/**
	 * Returns an array in the format used by Swagger 2.0.
	 *
	 * While the structure must conform to that used by v2.0 of Swagger the structure can be that of a full document
	 * or that of a document part.
	 * The intelligence lies in the "gatherer" of information rather than in the single "providers" implementing this
	 * interface.
	 *
	 * @since 4.6
	 *
	 * @link  http://swagger.io/
	 *
	 * @return array An array description of a Swagger supported component.
	 */
	public function get_documentation() {
		$get_defaults  = $delete_defaults = [ 'in' => 'query', 'default' => '', 'type' => 'string' ];
		$post_args = $this->CREATE_args();

		return [
			'get'    => [
				'parameters' => $this->swaggerize_args( $this->READ_args(), $get_defaults ),
				'responses'  => [
					'200' => [
						'description' => __( 'Returns the data of the event tag with the specified term ID', 'the-events-calendar' ),
						'content' => [
							'application/json' => [
								'schema' => [
									'$ref' => '#/components/schemas/Term',
								]
							]
						],
					],
					'400' => [
						'description' => __( 'The event tag term ID is missing.', 'the-events-calendar' ),
					],
					'404' => [
						'description' => __( 'An event tag with the specified term ID does not exist.', 'the-events-calendar' ),
					],
				],
			],
			'post'   => [
				'parameters'  => $this->swaggerize_args( $this->READ_args(), [] ),
				'requestBody' => $this->swaggerize_post_args( 'application/x-www-form-urlencoded', $post_args ),
				'responses'  => [
					'200' => [
						'description' => __( 'Returns the data of the updated event tag', 'the-events-calendar' ),
						'content' => [
							'application/json' => [
								'schema' => [
									'$ref' => '#/components/schemas/Term',
								]
							]
						],
					],
					'201' => [
						'description' => __( 'Returns the data of the created event tag', 'the-events-calendar' ),
						'content' => [
							'application/json' => [
								'schema' => [
									'$ref' => '#/components/schemas/Term',
								]
							]
						],
					],
					'400' => [
						'description' => __( 'A required parameter is missing or an input parameter is in the wrong format', 'the-events-calendar' ),
					],
					'403' => [
						'description' => __( 'The user is not authorized to create event tags', 'the-events-calendar' ),
					],
				],
			],
			'delete' => [
				'parameters' => $this->swaggerize_args( $this->DELETE_args(), $delete_defaults ),
				'responses'  => [
					'200' => [
						'description' => __( 'Deletes an event tag and returns its data', 'the-events-calendar' ),
						'content' => [
							'application/json' => [
								'schema' => [
									'$ref' => '#/components/schemas/Term',
								]
							]
						],
					],
					'400' => [
						'description' => __( 'The event tag term ID is missing or does not exist.', 'the-events-calendar' ),
					],
					'403' => [
						'description' => __( 'The current user cannot delete the event tag with the specified term ID.', 'the-events-calendar' ),
					],
					'410' => [
						'description' => __( 'The event tag with the specified term ID has been deleted already.', 'the-events-calendar' ),
					],
					'500' => [
						'description' => __( 'The event tag with the specified term ID could not be deleted.', 'the-events-calendar' ),
					],
				],
			],
		];
	}

	/**
	 * Returns the content of the `args` array that should be used to register the endpoint
	 * with the `register_rest_route` function.
	 *
	 * @since 4.6
	 *
	 * @return array
	 */
	public function READ_args() {
		return [
			'id' => [
				'in'                => 'path',
				'type'              => 'integer',
				'description'       => __( 'the event tag term ID', 'the-events-calendar' ),
				'required'          => true,
				'validate_callback' => [ $this->validator, 'is_post_tag' ],
			],
		];
	}

	/**
	 * Returns the taxonomy of the terms handled by the endpoint.
	 *
	 * @since 4.6
	 *
	 * @return string
	 */
	public function get_taxonomy() {
		return 'post_tag';
	}

	/**
	 * Returns the term namespace used by the endpoint.
	 *
	 * @since 4.6
	 *
	 * @return string
	 */
	protected function get_term_namespace() {
		return 'tags';
	}
}
