'       => '#ffff',
				'background'       => '',
				'background_hover' => '',
			),
		);
	}

	/**
	 * Function to get feed by id
	 *
	 * @param int $id Feed's id to look for.
	 * @return array
	 */
	public function get_by_id( $id ) {
		$feeds = $this->get();

		foreach ( $feeds as $feed ) {
			if ( $feed['id'] == $id ) {
				return $feed;
			}
		}

		if ( isset( $feeds[ $id ] ) ) {
			return $feeds[ $id ];
		}

		return null;
	}

	/**
	 * Function to get all feeds
	 *
	 * @return array
	 */
	public function get() {
		$feeds = $this->get_all();
		/**
		 * Make sure each account has all values
		 */
		if ( count( $feeds ) ) {
			foreach ( $feeds as $id => $feed ) {
				$feeds[ $id ] = array_replace_recursive( $this->get_args(), $feeds[ $id ] );

				/**
				 * Make sure account_id is string to prevent JS max int 16 chars error
				 */
				if ( isset( $feeds[ $id ]['account_id'] ) ) {
					$feeds[ $id ]['account_id'] = strval( $feeds[ $id ]['account_id'] );
				}
			}
		}
		return $feeds;
	}

	/**
	 * Function to create new feed
	 *
	 * @param array $feed_data New feed data.
	 * @return array|false
	 */
	public function create( $feed_data ) {

		$feed_id            = $this->get_next_id();
		$feed_data['id']    = $feed_id;
		$feed_data['order'] = $feed_id + 1;
		$feed_data['tag']   = $this->sanitize_instagram_feed( $feed_data['tag'] );

		$success = $this->save( $feed_data );

		if ( $success ) {
			return $feed_data;
		}

		return false;
	}

	/**
	 * Function to edit feed
	 *
	 * @param array $feed New feed data to replace old one.
	 * @return boolean
	 */
	public function edit( $feed ) {
		$feeds = $this->get_all();
		if ( $feeds ) {
			if ( count( $feeds ) > 0 ) {
				$new_feeds = array_map(
					function ( $f ) use ( $feed ) {
						return ( absint( $f['id'] ) === absint( $feed['id'] ) ? $feed : $f );
					},
					$feeds
				);
				$success   = $this->save_all( $new_feeds );
				if ( $success ) {
					return $success;
				}
			}
		}
	}

	/**
	 * Function to delete a feed
	 *
	 * @param int $id Feed id to be deleted.
	 * @return boolean
	 */
	public function delete( $id = null ) {
		$feeds = $this->get_all();
		if ( $feeds ) {
			if ( count( $feeds ) > 0 ) {

				if ( isset( $feeds[ $id ] ) ) {

					unset( $feeds[ $id ] );

					$success = $this->save_all( $feeds );
					if ( $success ) {
						return $success;
					}
					return false;
				}
			}
		}
		return false;
	}

	/**
	 * Function to save a feed
	 *
	 * @param array $feed_data Feed data to be saved.
	 * @return array|false
	 */
	protected function save( $feed_data = null ) {
		$feeds                     = $this->get();
		$feeds[ $feed_data['id'] ] = self::array_intersect_key_recursive( array_replace_recursive( $this->get_args(), $feed_data ), $this->get_args() );
		$success                   = $this->save_all( $feeds );
		if ( $success ) {
			return $feeds;
		}
		return false;
	}

	protected static function array_intersect_key_recursive( $array1, $array2 ) {
		$array1 = array_intersect_key( $array1, $array2 );
		foreach ( $array1 as $key => $value ) {
			if ( is_array( $value ) && is_array( $array2[ $key ] ) ) {
				$array1[ $key ] = self::array_intersect_key_recursive( $value, $array2[ $key ] );
			}
		}
		return $array1;
	}

	/**
	 * Function to delete table
	 *
	 * @return void
	 */
	public function delete_table() {
		$this->delete_all();
	}
}