<?php

namespace Arcanedev\Gravatar\Contracts;

/**
 * Interface  Gravatar
 *
 * @author    ARCANEDEV <arcanedev.maroc@gmail.com>
 */
interface Gravatar
{
	/**
	 * Get the current default image setting.
	 *
	 * @return string|false
	 */
	public function getDefaultImage();


	/**
	 * Set the default image to use for avatars.
	 *
	 * @param  string|false  $image
	 *
	 * @return $this
	 *
	 * @throws \Arcanedev\Gravatar\Exceptions\InvalidImageUrlException
	 */
	public function setDefaultImage($image);


	/**
	 * Get the currently set avatar size.
	 *
	 * @return int
	 */
	public function getSize();


	/**
	 * Set the avatar size to use.
	 *
	 * @param  int  $size - The avatar size to use, must be less than 512 and greater than 0.
	 *
	 * @return $this
	 *
	 * @throws \Arcanedev\Gravatar\Exceptions\InvalidImageSizeException
	 */
	public function setSize($size);


	/**
	 * Get the current maximum allowed rating for avatars.
	 *
	 * @return string
	 */
	public function getRating();


	/**
	 * Set the maximum allowed rating for avatars.
	 *
	 * @param  string  $rating
	 *
	 * @return $this
	 *
	 * @throws \Arcanedev\Gravatar\Exceptions\InvalidImageRatingException
	 */
	public function setRating($rating);


	/**
	 * Check if we are using the secure protocol for the image URLs.
	 *
	 * @return bool
	 */
	public function isSecured();


	/**
	 * Get Gravatar image source.
	 *
	 * @param  string       $email
	 * @param  int|null     $size
	 * @param  string|null  $rating
	 *
	 * @return string
	 */
	public function src($email, $size = null, $rating = null);


	/**
	 * Get the avatar URL based on the provided email address.
	 *
	 * @param  string  $email
	 * @param  bool    $hash
	 *
	 * @return string
	 */
	public function get($email, $hash = true);


	/**
	 * Get Gravatar image tag.
	 *
	 * @param  string       $email
	 * @param  string|null  $alt
	 * @param  array        $attributes
	 * @param  string|null  $rating
	 *
	 * @return \Arcanedev\Html\Elements\Img
	 */
	public function image($email, $alt = null, array $attributes = [], $rating = null);


	/**
	 * Get profile's data.
	 *
	 * @param  string      $email
	 * @param  mixed|null  $default
	 *
	 * @return array|mixed
	 */
	public function profile($email, $default = null);


	/**
	 * Enable the use of the secure protocol for image URLs.
	 *
	 * @return $this
	 */
	public function enableSecure();


	/**
	 * Disable the use of the secure protocol for image URLs.
	 *
	 * @return $this
	 */
	public function disableSecure();


	/**
	 * Check if email has a gravatar.
	 *
	 * @param  string  $email
	 *
	 * @return bool
	 */
	public function exists($email);


	/**
	 * Get a hashed email.
	 *
	 * @param  string  $email
	 *
	 * @return string
	 */
	public static function hashEmail(string $email): string;
}
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