<?php

/**
 * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
 * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
 * SPDX-License-Identifier: AGPL-3.0-only
 */
namespace OCP;

/**
 * Interface IDateTimeFormatter
 *
 * @since 8.0.0
 */
interface IDateTimeFormatter {
	/**
	 * Formats the date of the given timestamp
	 *
	 * @param int|\DateTime $timestamp
	 * @param string $format Either 'full', 'long', 'medium' or 'short'
	 *                       full:	e.g. 'EEEE, MMMM d, y'	=> 'Wednesday, August 20, 2014'
	 *                       long:	e.g. 'MMMM d, y'		=> 'August 20, 2014'
	 *                       medium:	e.g. 'MMM d, y'			=> 'Aug 20, 2014'
	 *                       short:	e.g. 'M/d/yy'			=> '8/20/14'
	 *                       The exact format is dependent on the language
	 * @param \DateTimeZone|null $timeZone The timezone to use
	 * @param \OCP\IL10N|null $l The locale to use
	 * @return string Formatted date string
	 * @since 8.0.0
	 */
	public function formatDate($timestamp, $format = 'long', ?\DateTimeZone $timeZone = null, ?\OCP\IL10N $l = null);

	/**
	 * Formats the date of the given timestamp
	 *
	 * @param int|\DateTime $timestamp
	 * @param string $format Either 'full', 'long', 'medium' or 'short'
	 *                       full:	e.g. 'EEEE, MMMM d, y'	=> 'Wednesday, August 20, 2014'
	 *                       long:	e.g. 'MMMM d, y'		=> 'August 20, 2014'
	 *                       medium:	e.g. 'MMM d, y'			=> 'Aug 20, 2014'
	 *                       short:	e.g. 'M/d/yy'			=> '8/20/14'
	 *                       The exact format is dependent on the language
	 *                       Uses 'Today', 'Yesterday' and 'Tomorrow' when applicable
	 * @param \DateTimeZone|null $timeZone The timezone to use
	 * @param \OCP\IL10N|null $l The locale to use
	 * @return string Formatted relative date string
	 * @since 8.0.0
	 */
	public function formatDateRelativeDay($timestamp, $format = 'long', ?\DateTimeZone $timeZone = null, ?\OCP\IL10N $l = null);

	/**
	 * Gives the relative date of the timestamp
	 * Only works for past dates
	 *
	 * @param int|\DateTime $timestamp
	 * @param int|\DateTime|null $baseTimestamp Timestamp to compare $timestamp against, defaults to current time
	 * @param \OCP\IL10N|null $l The locale to use
	 * @return string Dates returned are:
	 *                <  1 month	=> Today, Yesterday, n days ago
	 *                < 13 month	=> last month, n months ago
	 *                >= 13 month	=> last year, n years ago
	 * @since 8.0.0
	 */
	public function formatDateSpan($timestamp, $baseTimestamp = null, ?\OCP\IL10N $l = null);

	/**
	 * Formats the time of the given timestamp
	 *
	 * @param int|\DateTime $timestamp
	 * @param string $format Either 'full', 'long', 'medium' or 'short'
	 *                       full:	e.g. 'h:mm:ss a zzzz'	=> '11:42:13 AM GMT+0:00'
	 *                       long:	e.g. 'h:mm:ss a z'		=> '11:42:13 AM GMT'
	 *                       medium:	e.g. 'h:mm:ss a'		=> '11:42:13 AM'
	 *                       short:	e.g. 'h:mm a'			=> '11:42 AM'
	 *                       The exact format is dependent on the language
	 * @param \DateTimeZone|null $timeZone The timezone to use
	 * @param \OCP\IL10N|null $l The locale to use
	 * @return string Formatted time string
	 * @since 8.0.0
	 */
	public function formatTime($timestamp, $format = 'medium', ?\DateTimeZone $timeZone = null, ?\OCP\IL10N $l = null);

	/**
	 * Gives the relative past time of the timestamp
	 *
	 * @param int|\DateTime $timestamp
	 * @param int|\DateTime|null $baseTimestamp Timestamp to compare $timestamp against, defaults to current time
	 * @param \OCP\IL10N|null $l The locale to use
	 * @return string Dates returned are:
	 *                < 60 sec	=> seconds ago
	 *                <  1 hour	=> n minutes ago
	 *                <  1 day	=> n hours ago
	 *                <  1 month	=> Yesterday, n days ago
	 *                < 13 month	=> last month, n months ago
	 *                >= 13 month	=> last year, n years ago
	 * @since 8.0.0
	 */
	public function formatTimeSpan($timestamp, $baseTimestamp = null, ?\OCP\IL10N $l = null);

	/**
	 * Formats the date and time of the given timestamp
	 *
	 * @param int|\DateTime $timestamp
	 * @param string $formatDate See formatDate() for description
	 * @param string $formatTime See formatTime() for description
	 * @param \DateTimeZone|null $timeZone The timezone to use
	 * @param \OCP\IL10N|null $l The locale to use
	 * @return string Formatted date and time string
	 * @since 8.0.0
	 */
	public function formatDateTime($timestamp, $formatDate = 'long', $formatTime = 'medium', ?\DateTimeZone $timeZone = null, ?\OCP\IL10N $l = null);

	/**
	 * Formats the date and time of the given timestamp
	 *
	 * @param int|\DateTime $timestamp
	 * @param string $formatDate See formatDate() for description
	 *                           Uses 'Today', 'Yesterday' and 'Tomorrow' when applicable
	 * @param string $formatTime See formatTime() for description
	 * @param \DateTimeZone|null $timeZone The timezone to use
	 * @param \OCP\IL10N|null $l The locale to use
	 * @return string Formatted relative date and time string
	 * @since 8.0.0
	 */
	public function formatDateTimeRelativeDay($timestamp, $formatDate = 'long', $formatTime = 'medium', ?\DateTimeZone $timeZone = null, ?\OCP\IL10N $l = null);
}
