<?php
// Exit if accessed directly.
if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

/**
 * Property_Api
 *
 * @package    Property_Api
 */
class Opalestate_User_Api extends Opalestate_Base_API {

	/**
	 * The unique identifier of the route resource.
	 *
	 * @access   public
	 * @var      string $base .
	 */
	public $base = '/users';

	/**
	 * Register Routes
	 *
	 * Register all CURD actions with POST/GET/PUT and calling function for each
	 */
	public function register_routes() {
		/**
		 * Get list of properties.
		 *
		 * Call http://domain.com/wp-json/estate-api/v1/users
		 */
		register_rest_route(
			$this->namespace,
			'/' . $this->base,
			[
				[
					'methods'             => WP_REST_Server::READABLE,
					'callback'            => [ $this, 'get_items' ],
					'permission_callback' => [ $this, 'get_items_permissions_check' ],
					'args'                => $this->get_collection_params(),
				],
				[
					'methods'             => WP_REST_Server::CREATABLE,
					'callback'            => [ $this, 'create_item' ],
					'permission_callback' => [ $this, 'create_item_permissions_check' ],
				],
			]
		);

		register_rest_route(
			$this->namespace,
			'/' . $this->base . '/(?P<id>[\d]+)',
			[
				'args' => [
					'id' => [
						'description' => __( 'Unique identifier for the resource.', 'opalestate-pro' ),
						'type'        => 'integer',
					],
				],
				[
					'methods'             => WP_REST_Server::READABLE,
					'callback'            => [ $this, 'get_item' ],
					'permission_callback' => [ $this, 'get_item_permissions_check' ],
				],
				[
					'methods'             => WP_REST_Server::EDITABLE,
					'callback'            => [ $this, 'update_item' ],
					'permission_callback' => [ $this, 'update_item_permissions_check' ],
				],
			]
		);
	}

	/**
	 * Check whether a given request has permission to read customers.
	 *
	 * @param WP_REST_Request $request Full details about the request.
	 * @return WP_Error|boolean
	 */
	public function get_items_permissions_check( $request ) {
		if ( ! opalestate_rest_check_user_permissions( 'read' ) ) {
			return new WP_Error( 'opalestate_rest_cannot_view', __( 'Sorry, you cannot list resources.', 'opalestate-pro' ), [ 'status' => rest_authorization_required_code() ] );
		}

		return true;
	}

	/**
	 * Check if a given request has access create customers.
	 *
	 * @param WP_REST_Request $request Full details about the request.
	 *
	 * @return bool|WP_Error
	 */
	public function create_item_permissions_check( $request ) {
		if ( ! opalestate_rest_check_user_permissions( 'create' ) ) {
			return new WP_Error( 'opalestate_rest_cannot_create', __( 'Sorry, you are not allowed to create resources.', 'opalestate-pro' ), [ 'status' => rest_authorization_required_code() ] );
		}

		return true;
	}

	/**
	 * Check if a given request has access to read a customer.
	 *
	 * @param WP_REST_Request $request Full details about the request.
	 * @return WP_Error|boolean
	 */
	public function get_item_permissions_check( $request ) {
		$id = (int) $request['id'];

		if ( ! opalestate_rest_check_user_permissions( 'read', $id ) ) {
			return new WP_Error( 'opalestate_rest_cannot_view', __( 'Sorry, you cannot view this resource.', 'opalestate-pro' ), [ 'status' => rest_authorization_required_code() ] );
		}

		return true;
	}

	/**
	 * Check if a given request has access update a customer.
	 *
	 * @param WP_REST_Request $request Full details about the request.
	 *
	 * @return bool|WP_Error
	 */
	public function update_item_permissions_check( $request ) {
		$id = (int) $request['id'];

		if ( ! opalestate_rest_check_user_permissions( 'edit', $id ) ) {
			return new WP_Error( 'opalestate_rest_cannot_edit', __( 'Sorry, you are not allowed to edit this resource.', 'opalestate-pro' ), [ 'status' => rest_authorization_required_code() ] );
		}

		return true;
	}

	/**
	 * Check if a given request has access delete a customer.
	 *
	 * @param WP_REST_Request $request Full details about the request.
	 *
	 * @return bool|WP_Error
	 */
	public function delete_item_permissions_check( $request ) {
		$id = (int) $request['id'];

		if ( ! opalestate_rest_check_user_permissions( 'delete', $id ) ) {
			return new WP_Error( 'opalestate_rest_cannot_delete', __( 'Sorry, you are not allowed to delete this resource.', 'opalestate-pro' ), [
				'status' => rest_authorization_required_code(),
			] );
		}

		return true;
	}

	/**
	 * Get all users.
	 *
	 * @param WP_REST_Request $request Full details about the request.
	 * @return WP_Error|WP_REST_Response
	 */
	public function get_items( $request ) {
		$prepared_args            = [];
		$prepared_args['exclude'] = $request['exclude'];
		$prepared_args['include'] = $request['include'];
		$prepared_args['order']   = $request['order'];
		$prepared_args['number']  = $request['per_page'];
		if ( ! empty( $request['offset'] ) ) {
			$prepared_args['offset'] = $request['offset'];
		} else {
			$prepared_args['offset'] = ( $request['page'] - 1 ) * $prepared_args['number'];
		}
		$orderby_possibles        = [
			'id'              => 'ID',
			'include'         => 'include',
			'name'            => 'display_name',
			'registered_date' => 'registered',
		];
		$prepared_args['orderby'] = $orderby_possibles[ $request['orderby'] ];
		$prepared_args['search']  = $request['search'];

		if ( '' !== $prepared_args['search'] ) {
			$prepared_args['search'] = '*' . $prepared_args['search'] . '*';
		}

		// Filter by email.
		if ( ! empty( $request['email'] ) ) {
			$prepared_args['search']         = $request['email'];
			$prepared_args['search_columns'] = [ 'user_email' ];
		}

		// Filter by role.
		if ( 'all' !== $request['role'] ) {
			$prepared_args['role'] = $request['role'];
		}

		/**
		 * Filter arguments, before passing to WP_User_Query, when querying users via the REST API.
		 *
		 * @see https://developer.wordpress.org/reference/classes/wp_user_query/
		 *
		 * @param array           $prepared_args Array of arguments for WP_User_Query.
		 * @param WP_REST_Request $request       The current request.
		 */
		$prepared_args = apply_filters( 'opalestate_rest_user_query', $prepared_args, $request );
		$query         = new WP_User_Query( $prepared_args );

		$users = [];
		foreach ( $query->results as $user ) {
			$data    = $this->prepare_item_for_response( $user, $request );
			$users[] = $this->prepare_response_for_collection( $data );
		}

		$response = rest_ensure_response( $users );

		// Store pagination values for headers then unset for count query.
		$per_page = (int) $prepared_args['number'];
		$page     = ceil( ( ( (int) $prepared_args['offset'] ) / $per_page ) + 1 );

		$prepared_args['fields'] = 'ID';

		$total_users = $query->get_total();
		if ( $total_users < 1 ) {
			// Out-of-bounds, run the query again without LIMIT for total count.
			unset( $prepared_args['number'] );
			unset( $prepared_args['offset'] );
			$count_query = new WP_User_Query( $prepared_args );
			$total_users = $count_query->get_total();
		}
		$response->header( 'X-WP-Total', (int) $total_users );
		$max_pages = ceil( $total_users / $per_page );
		$response->header( 'X-WP-TotalPages', (int) $max_pages );

		$base = add_query_arg( $request->get_query_params(), rest_url( sprintf( '/%s/%s', $this->namespace, $this->base ) ) );
		if ( $page > 1 ) {
			$prev_page = $page - 1;
			if ( $prev_page > $max_pages ) {
				$prev_page = $max_pages;
			}
			$prev_link = add_query_arg( 'page', $prev_page, $base );
			$response->link_header( 'prev', $prev_link );
		}
		if ( $max_pages > $page ) {
			$next_page = $page + 1;
			$next_link = add_query_arg( 'page', $next_page, $base );
			$response->link_header( 'next', $next_link );
		}

		return $response;
	}

	/**
	 * Update user data.
	 *
	 * @param WP_REST_Request $request Full details about the request.
	 * @return WP_Error|WP_REST_Response
	 */
	public function update_item( $request ) {
		try {
			$id = (int) $request['id'];

			$user_data = get_userdata( $id );

			if ( ! $user_data ) {
				throw new Exception( __( 'Invalid resource ID.', 'opalestate-pro' ), 400 );
			}

			if ( in_array( 'opalestate_agent', $user_data->roles ) ) {
				$this->update_agent_data( $request );
			}

			if ( in_array( 'opalestate_agency', $user_data->roles ) ) {
				$this->update_agency_data( $request );
			}

			/**
			 * Fires after a customer is created or updated via the REST API.
			 *
			 * @param WP_User         $customer Data used to create the customer.
			 * @param WP_REST_Request $request  Request object.
			 * @param boolean         $creating True when creating customer, false when updating customer.
			 */
			do_action( 'opalestate_rest_insert_customer', $user_data, $request, false );

			$request->set_param( 'context', 'edit' );
			$response = $this->prepare_item_for_response( $user_data, $request );
			$response = rest_ensure_response( $response );

			return $response;
		} catch ( Exception $e ) {
			return new WP_Error( $e->getCode(), $e->getMessage(), [ 'status' => $e->getCode() ] );
		}
	}

	/**
	 * Update user data.
	 *
	 * @param $request User ID.
	 */
	public function update_agent_data( $request ) {
		$fields = OpalEstate_Agent::metaboxes_fields();

		$others = [
			'avatar_id'          => '',
			'opalestate_agt_map' => '',
			'map'                => '',
		];

		foreach ( $fields as $key => $field ) {
			$tmp  = str_replace( OPALESTATE_AGENT_PREFIX, '', $field['id'] );
			if ( isset( $request[ $tmp ] ) && $tmp ) {
				$data = is_string( $request[ $tmp ] ) ? sanitize_text_field( $request[ $tmp ] ) : $request[ $tmp ];
				update_user_meta( $request['id'], OPALESTATE_USER_PROFILE_PREFIX . $tmp, $data );

				$related_id = get_user_meta( $request['id'], OPALESTATE_USER_PROFILE_PREFIX . 'related_id', true );
				$post       = get_post( $related_id );

				if ( isset( $post->ID ) && $post->ID ) {
					update_post_meta( $related_id, $field['id'], $data );
				}
			}
		}

		$this->update_object_terms( $request['id'], $request );

		// Update for others.
		foreach ( $others as $key => $value ) {
			if ( isset( $request[ $key ] ) ) {
				$data = is_string( $request[ $key ] ) ? sanitize_text_field( $request[ $key ] ) : $request[ $key ];
				update_user_meta( $request['id'], OPALESTATE_USER_PROFILE_PREFIX . $key, $data );
			}
		}
	}

	/**
	 * Update object terms.
	 *
	 * @param int $related_id Post ID.
	 */
	public function update_object_terms( $user_id, $request ) {
		$terms = [
			'location',
			'state',
			'city',
		];

		foreach ( $terms as $term ) {
			if ( isset( $request[ $term ] ) ) {
				wp_set_object_terms( $user_id, $request[ $term ], 'opalestate_' . $term );

				$related_id = get_user_meta( $user_id, OPALESTATE_USER_PROFILE_PREFIX . 'related_id', true );
				$post       = get_post( $related_id );

				if ( isset( $post->ID ) && $post->ID ) {
					wp_set_object_terms( $related_id, $request[ $term ], 'opalestate_' . $term );
				}
			}
		}
	}

	/**
	 * Update agency data.
	 *
	 * @param $request User ID.
	 */
	public function update_agency_data( $request ) {
		$fields = OpalEstate_Agency::metaboxes_fields();

		$others = [
			'avatar_id' => '',
			'map'       => '',
		];

		foreach ( $fields as $key => $field ) {
			$kpos = $field['id'];
			$tmp  = str_replace( OPALESTATE_AGENCY_PREFIX, '', $field['id'] );
			if ( isset( $request[ $kpos ] ) && $tmp ) {
				$data = is_string( $request[ $kpos ] ) ? sanitize_text_field( $request[ $kpos ] ) : $request[ $kpos ];
				update_user_meta( $request['id'], OPALESTATE_USER_PROFILE_PREFIX . $tmp, $data );
			}
		}

		// Update for others.
		foreach ( $others as $key => $value ) {
			$kpos = OPALESTATE_AGENCY_PREFIX . $key;
			if ( isset( $request[ $kpos ] ) ) {
				$data = is_string( $request[ $kpos ] ) ? sanitize_text_field( $request[ $kpos ] ) : $request[ $kpos ];
				update_user_meta( $request['id'], OPALESTATE_USER_PROFILE_PREFIX . $key, $data );
			}
		}
	}

	/**
	 * Prepare a single customer output for response.
	 *
	 * @param WP_User         $user_data User object.
	 * @param WP_REST_Request $request   Request object.
	 * @return WP_REST_Response $response Response data.
	 */
	public function prepare_item_for_response( $user_data, $request ) {
		$_data = $user_data->data;

		$data = [
			'id'           => $_data->ID,
			'role'         => $user_data->roles,
			'date_created' => $_data->user_registered,
			'email'        => $_data->user_email,
			'first_name'   => $user_data->first_name,
			'last_name'    => $user_data->last_name,
			'username'     => $_data->user_login,
			'avatar_url'   => opalestate_get_user_meta( $_data->ID, 'avatar' ),
		];

		if ( in_array( 'opalestate_agent', $user_data->roles ) ) {
			$data['agent_data'] = $this->parse_agent_data( $user_data );
		}

		if ( in_array( 'opalestate_agency', $user_data->roles ) ) {
			$data['agency_data'] = $this->parse_agency_data( $user_data );
		}

		$context  = ! empty( $request['context'] ) ? $request['context'] : 'view';
		$response = rest_ensure_response( $data );

		/**
		 * Filter customer data returned from the REST API.
		 *
		 * @param WP_REST_Response $response  The response object.
		 * @param WP_User          $user_data User object used to create response.
		 * @param WP_REST_Request  $request   Request object.
		 */
		return apply_filters( 'opalestate_rest_prepare_customer', $response, $user_data, $request );
	}

	/**
	 * Prepare a response for inserting into a collection.
	 *
	 * @param WP_REST_Response $response Response object.
	 * @return array Response data, ready for insertion into collection data.
	 */
	public function prepare_response_for_collection( $response ) {
		if ( ! ( $response instanceof WP_REST_Response ) ) {
			return $response;
		}

		$data   = (array) $response->get_data();
		$server = rest_get_server();

		if ( method_exists( $server, 'get_compact_response_links' ) ) {
			$links = call_user_func( [ $server, 'get_compact_response_links' ], $response );
		} else {
			$links = call_user_func( [ $server, 'get_response_links' ], $response );
		}

		if ( ! empty( $links ) ) {
			$data['_links'] = $links;
		}

		return $data;
	}

	public function parse_agent_data( $user_data ) {
		$data   = [];
		$fields = OpalEstate_Agent::metaboxes_fields();

		$others = [
			'avatar_id'          => '',
			'opalestate_agt_map' => '',
			'map'                => '',
		];

		foreach ( $fields as $key => $field ) {
			$tmp          = str_replace( OPALESTATE_AGENT_PREFIX, '', $field['id'] );
			$data[ $tmp ] = get_user_meta( $user_data->data->ID, OPALESTATE_USER_PROFILE_PREFIX . $tmp, true );
		}

		// Update for others.
		foreach ( $others as $key => $value ) {
			$data[ $key ] = get_user_meta( $user_data->data->ID, OPALESTATE_USER_PROFILE_PREFIX . $key, true );
		}

		return $data;
	}

	public function parse_agency_data( $user_data ) {
		$data   = [];
		$fields = OpalEstate_Agency::metaboxes_fields();

		$others = [
			'avatar_id' => '',
			'map'       => '',
		];

		foreach ( $fields as $key => $field ) {
			$tmp          = str_replace( OPALESTATE_AGENCY_PREFIX, '', $field['id'] );
			$data[ $tmp ] = get_user_meta( $user_data->data->ID, OPALESTATE_USER_PROFILE_PREFIX . $tmp, true );
		}

		// Update for others.
		foreach ( $others as $key => $value ) {
			$data[ $key ] = get_user_meta( $user_data->data->ID, OPALESTATE_USER_PROFILE_PREFIX . $key, true );
		}

		return $data;
	}

	/**
	 * Get a single customer.
	 *
	 * @param WP_REST_Request $request Full details about the request.
	 * @return WP_Error|WP_REST_Response
	 */
	public function get_item( $request ) {
		$id        = (int) $request['id'];
		$user_data = get_userdata( $id );

		if ( empty( $id ) || empty( $user_data->ID ) ) {
			return new WP_Error( 'opalestate_rest_invalid_id', __( 'Invalid resource ID.', 'opalestate-pro' ), [ 'status' => 404 ] );
		}

		$customer = $this->prepare_item_for_response( $user_data, $request );
		$response = rest_ensure_response( $customer );

		return $response;
	}

	public function delete_item( $request ) {
		$id    = (int) $request['id'];
		$force = (bool) $request['force'];

		$property = get_post( absint( $request['id'] ) );
		if ( ! $property || $this->post_type != $property->post_type ) {
			$response['test'] = 0;
		} else {
			wp_delete_post( absint( $request['id'] ) );
			$response['test'] = 1;
		}

		return $response;
	}

	/**
	 * The opalestate_property post object, generate the data for the API output
	 *
	 * @param object $property_info The Download Post Object
	 *
	 * @return array Array of post data to return back in the API
	 */
	private function get_property_data( $property_info ) {
		return opalestate_api_get_property_data( $property_info );
	}

	/**
	 * Create a single item.
	 *
	 * @param WP_REST_Request $request Full details about the request.
	 * @return WP_Error|WP_REST_Response
	 */
	public function create_item( $request ) {
		if ( ! empty( $request['id'] ) ) {
			/* translators: %s: post type */
			return new WP_Error( "opalestate_rest_{$this->post_type}_exists", sprintf( __( 'Cannot create existing %s.', 'opalestate-pro' ), $this->post_type ), [ 'status' => 400 ] );
		}

		$data = [
			'post_title'   => $request['post_title'],
			'post_type'    => $this->post_type,
			'post_content' => $request['post_content'],
		];

		$data['post_status'] = 'pending';
		$post_id             = wp_insert_post( $data, true );

		$response['id'] = $post_id;
		$response       = rest_ensure_response( $response );
		$response->set_status( 201 );
		$response->header( 'Location', rest_url( sprintf( '/%s/%s/%d', $this->namespace, $this->base, $post_id ) ) );

		return $response;
	}

	/**
	 * Get the query params for collections.
	 *
	 * @return array
	 */
	public function get_collection_params() {
		$params = parent::get_collection_params();

		$params['context']['default'] = 'view';

		$params['exclude'] = [
			'description'       => __( 'Ensure result set excludes specific IDs.', 'opalestate-pro' ),
			'type'              => 'array',
			'items'             => [
				'type' => 'integer',
			],
			'default'           => [],
			'sanitize_callback' => 'wp_parse_id_list',
		];
		$params['include'] = [
			'description'       => __( 'Limit result set to specific IDs.', 'opalestate-pro' ),
			'type'              => 'array',
			'items'             => [
				'type' => 'integer',
			],
			'default'           => [],
			'sanitize_callback' => 'wp_parse_id_list',
		];
		$params['offset']  = [
			'description'       => __( 'Offset the result set by a specific number of items.', 'opalestate-pro' ),
			'type'              => 'integer',
			'sanitize_callback' => 'absint',
			'validate_callback' => 'rest_validate_request_arg',
		];
		$params['order']   = [
			'default'           => 'asc',
			'description'       => __( 'Order sort attribute ascending or descending.', 'opalestate-pro' ),
			'enum'              => [ 'asc', 'desc' ],
			'sanitize_callback' => 'sanitize_key',
			'type'              => 'string',
			'validate_callback' => 'rest_validate_request_arg',
		];
		$params['orderby'] = [
			'default'           => 'name',
			'description'       => __( 'Sort collection by object attribute.', 'opalestate-pro' ),
			'enum'              => [
				'id',
				'include',
				'name',
				'registered_date',
			],
			'sanitize_callback' => 'sanitize_key',
			'type'              => 'string',
			'validate_callback' => 'rest_validate_request_arg',
		];
		$params['email']   = [
			'description'       => __( 'Limit result set to resources with a specific email.', 'opalestate-pro' ),
			'type'              => 'string',
			'format'            => 'email',
			'validate_callback' => 'rest_validate_request_arg',
		];
		$params['role']    = [
			'description'       => __( 'Limit result set to resources with a specific role.', 'opalestate-pro' ),
			'type'              => 'string',
			'default'           => 'opalestate_agent',
			'enum'              => array_merge( [ 'all' ], $this->get_role_names() ),
			'validate_callback' => 'rest_validate_request_arg',
		];

		return $params;
	}

	/**
	 * Get role names.
	 *
	 * @return array
	 */
	protected function get_role_names() {
		global $wp_roles;

		return array_keys( $wp_roles->role_names );
	}
}