<?php

/**
 * @group l10n
 * @group i18n
 */
class Tests_L10n extends WP_UnitTestCase {

	/**
	 * Long Dummy Text.
	 *
	 * @since 5.0.0
	 *
	 * @var string $long_text
	 */
	private $long_text = 'Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.';

	/**
	 * @ticket 35961
	 *
	 * @covers ::_n_noop
	 */
	public function test_n_noop() {
		$text_domain   = 'text-domain';
		$nooped_plural = _n_noop( '%s post', '%s posts', $text_domain );

		$this->assertSame( 'text-domain', $nooped_plural['domain'] );
		$this->assertSame( '%s posts', translate_nooped_plural( $nooped_plural, 0, $text_domain ) );
		$this->assertSame( '%s post', translate_nooped_plural( $nooped_plural, 1, $text_domain ) );
		$this->assertSame( '%s posts', translate_nooped_plural( $nooped_plural, 2, $text_domain ) );
	}

	/**
	 * @ticket 35961
	 *
	 * @covers ::_nx_noop
	 */
	public function test_nx_noop() {
		$text_domain   = 'text-domain';
		$nooped_plural = _nx_noop( '%s post', '%s posts', 'my-context', $text_domain );

		$this->assertSame( 'text-domain', $nooped_plural['domain'] );
		$this->assertSame( 'my-context', $nooped_plural['context'] );
		$this->assertSame( '%s posts', translate_nooped_plural( $nooped_plural, 0, $text_domain ) );
		$this->assertSame( '%s post', translate_nooped_plural( $nooped_plural, 1, $text_domain ) );
		$this->assertSame( '%s posts', translate_nooped_plural( $nooped_plural, 2, $text_domain ) );
	}

	/**
	 * @ticket 35073
	 *
	 * @covers ::before_last_bar
	 */
	public function test_before_last_bar() {
		$this->assertSame( 'no-bar-at-all', before_last_bar( 'no-bar-at-all' ) );
		$this->assertSame( 'before-last-bar', before_last_bar( 'before-last-bar|after-bar' ) );
		$this->assertSame( 'first-before-bar|second-before-bar', before_last_bar( 'first-before-bar|second-before-bar|after-last-bar' ) );
	}

	/**
	 * @ticket 35950
	 *
	 * @covers ::get_available_languages
	 */
	public function test_get_available_languages() {
		$array = get_available_languages();
		$this->assertIsArray( $array );

		$array = get_available_languages( '.' );
		$this->assertEmpty( $array );

		$array = get_available_languages( DIR_TESTDATA . '/languages/' );
		$this->assertSame( array( 'de_DE', 'en_GB', 'es_ES', 'ja_JP' ), $array );
	}

	/**
	 * @ticket 35284
	 *
	 * @covers ::wp_get_installed_translations
	 */
	public function test_wp_get_installed_translations_for_core() {
		$installed_translations = wp_get_installed_translations( 'core' );
		$this->assertIsArray( $installed_translations );
		$textdomains_expected = array( 'admin', 'admin-network', 'continents-cities', 'default' );
		$this->assertSameSets( $textdomains_expected, array_keys( $installed_translations ) );

		$this->assertNotEmpty( $installed_translations['default']['en_GB'] );
		$data_en_gb = $installed_translations['default']['en_GB'];
		$this->assertSame( '2016-10-26 00:01+0200', $data_en_gb['PO-Revision-Date'] );
		$this->assertSame( 'Development (4.4.x)', $data_en_gb['Project-Id-Version'] );
		$this->assertSame( 'Poedit 1.8.10', $data_en_gb['X-Generator'] );

		$this->assertNotEmpty( $installed_translations['admin']['es_ES'] );
		$data_es_es = $installed_translations['admin']['es_ES'];
		$this->assertSame( '2016-10-25 18:29+0200', $data_es_es['PO-Revision-Date'] );
		$this->assertSame( 'Administration', $data_es_es['Project-Id-Version'] );
		$this->assertSame( 'Poedit 1.8.10', $data_es_es['X-Generator'] );
	}

	/**
	 * @ticket 35294
	 *
	 * @covers ::wp_dropdown_languages
	 */
	public function test_wp_dropdown_languages() {
		$args   = array(
			'id'           => 'foo',
			'name'         => 'bar',
			'languages'    => array( 'de_DE' ),
			'translations' => $this->wp_dropdown_languages_filter(),
			'selected'     => 'de_DE',
			'echo'         => false,
		);
		$actual = wp_dropdown_languages( $args );

		$this->assertStringContainsString( 'id="foo"', $actual );
		$this->assertStringContainsString( 'name="bar"', $actual );
		$this->assertStringContainsString( '<option value="" lang="en" data-installed="1">English (United States)</option>', $actual );
		$this->assertStringContainsString( '<option value="de_DE" lang="de" selected data-installed="1">Deutsch</option>', $actual );
		$this->assertStringContainsString( '<option value="it_IT" lang="it">Italiano</option>', $actual );
		$this->assertStringContainsString( '<option value="ja_JP" lang="ja">日本語</option>', $actual );
	}

	/**
	 * @ticket 38632
	 *
	 * @covers ::wp_dropdown_languages
	 */
	public function test_wp_dropdown_languages_site_default() {
		$args   = array(
			'id'                       => 'foo',
			'name'                     => 'bar',
			'languages'                => array( 'de_DE' ),
			'translations'             => $this->wp_dropdown_languages_filter(),
			'selected'                 => 'de_DE',
			'echo'                     => false,
			'show_option_site_default' => true,
		);
		$actual = wp_dropdown_languages( $args );

		$this->assertStringContainsString( 'id="foo"', $actual );
		$this->assertStringContainsString( 'name="bar"', $actual );
		$this->assertStringContainsString( '<option value="site-default" data-installed="1">Site Default</option>', $actual );
		$this->assertStringContainsString( '<option value="" lang="en" data-installed="1">English (United States)</option>', $actual );
		$this->assertStringContainsString( '<option value="de_DE" lang="de" selected data-installed="1">Deutsch</option>', $actual );
		$this->assertStringContainsString( '<option value="it_IT" lang="it">Italiano</option>', $actual );
		$this->assertStringContainsString( '<option value="ja_JP" lang="ja">日本語</option>', $actual );
	}

	/**
	 * @ticket 44494
	 *
	 * @covers ::wp_dropdown_languages
	 */
	public function test_wp_dropdown_languages_exclude_en_us() {
		$args   = array(
			'id'                => 'foo',
			'name'              => 'bar',
			'languages'         => array( 'de_DE' ),
			'translations'      => $this->wp_dropdown_languages_filter(),
			'selected'          => 'de_DE',
			'echo'              => false,
			'show_option_en_us' => false,
		);
		$actual = wp_dropdown_languages( $args );

		$this->assertStringNotContainsString( '<option value="" lang="en" data-installed="1">English (United States)</option>', $actual );
	}

	/**
	 * @ticket 38632
	 *
	 * @covers ::wp_dropdown_languages
	 */
	public function test_wp_dropdown_languages_en_US_selected() {
		$args   = array(
			'id'           => 'foo',
			'name'         => 'bar',
			'languages'    => array( 'de_DE' ),
			'translations' => $this->wp_dropdown_languages_filter(),
			'selected'     => 'en_US',
			'echo'         => false,
		);
		$actual = wp_dropdown_languages( $args );

		$this->assertStringContainsString( 'id="foo"', $actual );
		$this->assertStringContainsString( 'name="bar"', $actual );
		$this->assertStringContainsString( '<option value="" lang="en" data-installed="1" selected>English (United States)</option>', $actual );
		$this->assertStringContainsString( '<option value="de_DE" lang="de" data-installed="1">Deutsch</option>', $actual );
		$this->assertStringContainsString( '<option value="it_IT" lang="it">Italiano</option>', $actual );
		$this->assertStringContainsString( '<option value="ja_JP" lang="ja">日本語</option>', $actual );
	}

	/**
	 * Add site default language to ja_JP in dropdown
	 *
	 * @covers ::wp_dropdown_languages
	 */
	public function test_wp_dropdown_languages_site_default_ja_JP() {
		$args   = array(
			'id'                       => 'foo',
			'name'                     => 'bar',
			'languages'                => array( 'ja_JP' ),
			'translations'             => $this->wp_dropdown_languages_filter(),
			'selected'                 => 'ja_JP',
			'echo'                     => false,
			'show_option_site_default' => true,
		);
		$actual = wp_dropdown_languages( $args );

		$this->assertStringContainsString( 'id="foo"', $actual );
		$this->assertStringContainsString( 'name="bar"', $actual );
		$this->assertStringContainsString( '<option value="site-default" data-installed="1">Site Default</option>', $actual );
		$this->assertStringContainsString( '<option value="" lang="en" data-installed="1">English (United States)</option>', $actual );
		$this->assertStringContainsString( '<option value="de_DE" lang="de">Deutsch</option>', $actual );
		$this->assertStringContainsString( '<option value="it_IT" lang="it">Italiano</option>', $actual );
		$this->assertStringContainsString( '<option value="ja_JP" lang="ja" selected data-installed="1">日本語</option>', $actual );
	}

	/**
	 * Select dropdown language from de_DE to ja_JP
	 *
	 * @covers ::wp_dropdown_languages
	 */
	public function test_wp_dropdown_languages_ja_JP_selected() {
		$args   = array(
			'id'           => 'foo',
			'name'         => 'bar',
			'languages'    => array( 'de_DE' ),
			'translations' => $this->wp_dropdown_languages_filter(),
			'selected'     => 'ja_JP',
			'echo'         => false,
		);
		$actual = wp_dropdown_languages( $args );

		$this->assertStringContainsString( 'id="foo"', $actual );
		$this->assertStringContainsString( 'name="bar"', $actual );
		$this->assertStringContainsString( '<option value="" lang="en" data-installed="1">English (United States)</option>', $actual );
		$this->assertStringContainsString( '<option value="de_DE" lang="de" data-installed="1">Deutsch</option>', $actual );
		$this->assertStringContainsString( '<option value="it_IT" lang="it">Italiano</option>', $actual );
		$this->assertStringContainsString( '<option value="ja_JP" lang="ja" selected>日本語</option>', $actual );
	}

	/**
	 * We don't want to call the API when testing.
	 *
	 * @return array
	 */
	private function wp_dropdown_languages_filter() {
		return array(
			'de_DE' => array(
				'language'    => 'de_DE',
				'native_name' => 'Deutsch',
				'iso'         => array( 'de' ),
			),
			'it_IT' => array(
				'language'    => 'it_IT',
				'native_name' => 'Italiano',
				'iso'         => array( 'it', 'ita' ),
			),
			'ja_JP' => array(
				'language'    => 'ja_JP',
				'native_name' => '日本語',
				'iso'         => array( 'ja' ),
			),
		);
	}

	/**
	 * @ticket 35284
	 *
	 * @covers ::wp_get_pomo_file_data
	 */
	public function test_wp_get_pomo_file_data() {
		$file  = DIR_TESTDATA . '/pomo/empty.po';
		$array = wp_get_pomo_file_data( $file );
		$this->assertArrayHasKey( 'POT-Creation-Date', $array );
		$this->assertArrayHasKey( 'PO-Revision-Date', $array );
		$this->assertArrayHasKey( 'Project-Id-Version', $array );
		$this->assertArrayHasKey( 'X-Generator', $array );

		$file  = DIR_TESTDATA . '/pomo/mo.pot';
		$array = wp_get_pomo_file_data( $file );
		$this->assertNotEmpty( $array['POT-Creation-Date'] );
		$this->assertNotEmpty( $array['PO-Revision-Date'] );
		$this->assertNotEmpty( $array['Project-Id-Version'] );
		$this->assertArrayHasKey( 'X-Generator', $array );

		$file  = DIR_TESTDATA . '/languages/es_ES.po';
		$array = wp_get_pomo_file_data( $file );
		$this->assertArrayHasKey( 'POT-Creation-Date', $array );
		$this->assertNotEmpty( $array['PO-Revision-Date'] );
		$this->assertNotEmpty( $array['Project-Id-Version'] );
		$this->assertNotEmpty( $array['X-Generator'] );
	}

	/**
	 * @ticket 44541
	 *
	 * @covers ::the_excerpt
	 */
	public function test_length_of_excerpt_should_be_counted_by_words() {
		global $post;

		switch_to_locale( 'en_US' );

		$args = array(
			'post_content' => $this->long_text,
			'post_excerpt' => '',
		);

		$post = self::factory()->post->create_and_get( $args );
		setup_postdata( $post );

		$expect = "<p>Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat [&hellip;]</p>\n";
		the_excerpt();

		restore_previous_locale();

		$this->expectOutputString( $expect );
	}

	/**
	 * @ticket 44541
	 *
	 * @covers ::the_excerpt
	 */
	public function test_length_of_excerpt_should_be_counted_by_chars() {
		global $post;

		switch_to_locale( 'ja_JP' );

		$args = array(
			'post_content' => $this->long_text,
			'post_excerpt' => '',
		);

		$post = self::factory()->post->create_and_get( $args );
		setup_postdata( $post );

		$expect = "<p>Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore  [&hellip;]</p>\n";
		the_excerpt();

		restore_previous_locale();

		$this->expectOutputString( $expect );
	}

	/**
	 * @ticket 44541
	 *
	 * @covers ::the_excerpt
	 */
	public function test_length_of_excerpt_should_be_counted_by_chars_in_japanese() {
		global $post;

		switch_to_locale( 'ja_JP' );

		$args = array(
			'post_content' => str_repeat( 'あ', 200 ),
			'post_excerpt' => '',
		);

		$post = self::factory()->post->create_and_get( $args );
		setup_postdata( $post );

		$expect = '<p>' . str_repeat( 'あ', 110 ) . " [&hellip;]</p>\n";
		the_excerpt();

		restore_previous_locale();

		$this->expectOutputString( $expect );
	}

	/**
	 * @ticket 44541
	 *
	 * @covers ::the_excerpt_rss
	 */
	public function test_length_of_excerpt_rss_should_be_counted_by_words() {
		global $post;

		switch_to_locale( 'en_US' );

		$args = array(
			'post_content' => $this->long_text,
			'post_excerpt' => '',
		);

		$post = self::factory()->post->create_and_get( $args );
		setup_postdata( $post );

		$expect = 'Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat [&#8230;]';
		the_excerpt_rss();

		restore_previous_locale();

		$this->expectOutputString( $expect );
	}

	/**
	 * @ticket 44541
	 *
	 * @covers ::the_excerpt_rss
	 */
	public function test_length_of_excerpt_rss_should_be_counted_by_chars() {
		global $post;

		switch_to_locale( 'ja_JP' );

		$args = array(
			'post_content' => $this->long_text,
			'post_excerpt' => '',
		);

		$post = self::factory()->post->create_and_get( $args );
		setup_postdata( $post );

		$expect = 'Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore  [&#8230;]';

		the_excerpt_rss();

		restore_previous_locale();

		$this->expectOutputString( $expect );
	}

	/**
	 * @ticket 44541
	 *
	 * @covers ::wp_dashboard_recent_drafts
	 */
	public function test_length_of_draft_should_be_counted_by_words() {
		require_once ABSPATH . 'wp-admin/includes/dashboard.php';

		switch_to_locale( 'en_US' );

		/*
		 * The recent drafts list is only displayed on the Dashboard screen for users
		 * with the 'edit_posts' capability.
		 *
		 * This means the current user needs to be set to Editor as a prerequisite
		 * for the call to the wp_dashboard_recent_drafts() function.
		 *
		 * This allows the subsequent call to get_edit_post_link() to work as expected
		 * and return a string instead of null, which would otherwise cause a PHP 8.1
		 * "passing null to non-nullable" deprecation notice.
		 */
		wp_set_current_user( self::factory()->user->create( array( 'role' => 'editor' ) ) );

		$args = array(
			'post_content' => $this->long_text,
			'post_excerpt' => '',
			'post_status'  => 'draft',
		);

		self::factory()->post->create( $args );

		$expect = 'Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do&hellip;';
		$this->expectOutputRegex( '/' . $expect . '/' );

		wp_dashboard_recent_drafts();

		restore_previous_locale();
	}

	/**
	 * @ticket 44541
	 *
	 * @covers ::wp_dashboard_recent_drafts
	 */
	public function test_length_of_draft_should_be_counted_by_chars() {
		require_once ABSPATH . 'wp-admin/includes/dashboard.php';

		switch_to_locale( 'ja_JP' );

		/*
		 * The recent drafts list is only displayed on the Dashboard screen for users
		 * with the 'edit_posts' capability.
		 *
		 * This means the current user needs to be set to Editor as a prerequisite
		 * for the call to the wp_dashboard_recent_drafts() function.
		 *
		 * This allows the subsequent call to get_edit_post_link() to work as expected
		 * and return a string instead of null, which would otherwise cause a PHP 8.1
		 * "passing null to non-nullable" deprecation notice.
		 */
		wp_set_current_user( self::factory()->user->create( array( 'role' => 'editor' ) ) );

		$args = array(
			'post_content' => $this->long_text,
			'post_excerpt' => '',
			'post_status'  => 'draft',
		);

		$post = self::factory()->post->create( $args );

		$expect = 'Lorem ipsum dolor sit amet, consectetur &hellip;';
		$this->expectOutputRegex( '/' . $expect . '/' );

		wp_dashboard_recent_drafts();

		restore_previous_locale();
	}

	/**
	 * @ticket 44541
	 *
	 * @covers ::wp_dashboard_recent_drafts
	 */
	public function test_length_of_draft_should_be_counted_by_chars_in_japanese() {
		require_once ABSPATH . 'wp-admin/includes/dashboard.php';

		switch_to_locale( 'ja_JP' );

		/*
		 * The recent drafts list is only displayed on the Dashboard screen for users
		 * with the 'edit_posts' capability.
		 *
		 * This means the current user needs to be set to Editor as a prerequisite
		 * for the call to the wp_dashboard_recent_drafts() function.
		 *
		 * This allows the subsequent call to get_edit_post_link() to work as expected
		 * and return a string instead of null, which would otherwise cause a PHP 8.1
		 * "passing null to non-nullable" deprecation notice.
		 */
		wp_set_current_user( self::factory()->user->create( array( 'role' => 'editor' ) ) );

		$args = array(
			'post_content' => str_repeat( 'あ', 200 ),
			'post_excerpt' => '',
			'post_status'  => 'draft',
		);

		self::factory()->post->create( $args );

		$expect = str_repeat( 'あ', 40 ) . '&hellip;';
		$this->expectOutputRegex( '/' . $expect . '/' );

		wp_dashboard_recent_drafts();

		restore_previous_locale();
	}

	/**
	 * @ticket 44541
	 *
	 * @covers ::get_comment_excerpt
	 */
	public function test_length_of_comment_excerpt_should_be_counted_by_words() {
		switch_to_locale( 'en_US' );

		$args            = array(
			'comment_content' => $this->long_text,
		);
		$comment_id      = self::factory()->comment->create( $args );
		$expect          = 'Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut&hellip;';
		$comment_excerpt = get_comment_excerpt( $comment_id );

		restore_previous_locale();

		$this->assertSame( $expect, $comment_excerpt );
	}

	/**
	 * @ticket 44541
	 *
	 * @covers ::get_comment_excerpt
	 */
	public function test_length_of_comment_excerpt_should_be_counted_by_chars() {
		switch_to_locale( 'ja_JP' );

		$args            = array(
			'comment_content' => $this->long_text,
		);
		$comment_id      = self::factory()->comment->create( $args );
		$expect          = 'Lorem ipsum dolor sit amet, consectetur &hellip;';
		$comment_excerpt = get_comment_excerpt( $comment_id );

		restore_previous_locale();

		$this->assertSame( $expect, $comment_excerpt );
	}

	/**
	 * @ticket 44541
	 *
	 * @covers ::get_comment_excerpt
	 */
	public function test_length_of_comment_excerpt_should_be_counted_by_chars_in_Japanese() {
		switch_to_locale( 'ja_JP' );

		$args            = array(
			'comment_content' => str_repeat( 'あ', 200 ),
		);
		$comment_id      = self::factory()->comment->create( $args );
		$expect          = str_repeat( 'あ', 40 ) . '&hellip;';
		$comment_excerpt = get_comment_excerpt( $comment_id );

		restore_previous_locale();

		$this->assertSame( $expect, $comment_excerpt );
	}
}
