<?php
/**
*
* This file is part of the phpBB Forum Software package.
*
* @copyright (c) phpBB Limited <https://www.phpbb.com>
* @license GNU General Public License, version 2 (GPL-2.0)
*
* For full copyright and license information, please see
* the docs/CREDITS.txt file.
*
*/

require_once dirname(__FILE__) . '/../template/template_test_case.php';

class phpbb_pagination_pagination_test extends phpbb_template_template_test_case
{
	protected $test_path = 'tests/pagination';

	public function return_callback_implode()
	{
		return implode('-', func_get_args());
	}

	public function setUp()
	{
		parent::setUp();

		global $phpbb_dispatcher;

		$phpbb_dispatcher = new phpbb_mock_event_dispatcher;
		$this->user = $this->getMock('\phpbb\user');
		$this->user->expects($this->any())
			->method('lang')
			->will($this->returnCallback(array($this, 'return_callback_implode')));

		$manager = new phpbb_mock_extension_manager(dirname(__FILE__) . '/', array());
		$this->finder = new \phpbb\extension\finder(
			$manager,
			new \phpbb\filesystem(),
			dirname(__FILE__) . '/',
			new phpbb_mock_cache()
		);

		$this->config = new \phpbb\config\config(array('enable_mod_rewrite' => '1'));
		$provider = new \phpbb\controller\provider();
		$provider->find_routing_files($this->finder);
		$provider->find(dirname(__FILE__) . '/');
		$this->helper = new phpbb_mock_controller_helper($this->template, $this->user, $this->config, $provider, $manager, '', 'php', dirname(__FILE__) . '/');
		$this->pagination = new \phpbb\pagination($this->template, $this->user, $this->helper);
	}

	public function generate_template_pagination_data()
	{
		return array(
			array(
				'page.php',
				'start',
				95,
				10,
				10,
				'pagination
				:per_page:10
				:current_page:2
				:base_url:page.php
				:previous::page.php
				:else:1:page.php
				:current:2:page.php?start=10
				:else:3:page.php?start=20
				:else:4:page.php?start=30
				:else:5:page.php?start=40
				:ellipsis:9:page.php?start=80
				:else:10:page.php?start=90
				:next::page.php?start=20
				:u_prev:page.php
				:u_next:page.php?start=20',
			),
			array(
				'page.php',
				'start',
				95,
				10,
				20,
				'pagination
				:per_page:10
				:current_page:3
				:base_url:page.php
				:previous::page.php?start=10
				:else:1:page.php
				:else:2:page.php?start=10
				:current:3:page.php?start=20
				:else:4:page.php?start=30
				:else:5:page.php?start=40
				:else:6:page.php?start=50
				:ellipsis:9:page.php?start=80
				:else:10:page.php?start=90
				:next::page.php?start=30
				:u_prev:page.php?start=10
				:u_next:page.php?start=30',
			),
			array(
				array('routes' => array(
					'core_controller',
					'core_page_controller',
				)),
				'page',
				95,
				10,
				10,
				'pagination
				:per_page:10
				:current_page:2
				:base_url:
				:previous::test
				:else:1:test
				:current:2:test/page/2
				:else:3:test/page/3
				:else:4:test/page/4
				:else:5:test/page/5
				:ellipsis:9:test/page/9
				:else:10:test/page/10
				:next::test/page/3
				:u_prev:test
				:u_next:test/page/3',
			),
			array(
				array('routes' => array(
					'core_controller',
					'core_page_controller',
				)),
				'page',
				95,
				10,
				20,
				'pagination
				:per_page:10
				:current_page:3
				:base_url:
				:previous::test/page/2
				:else:1:test
				:else:2:test/page/2
				:current:3:test/page/3
				:else:4:test/page/4
				:else:5:test/page/5
				:else:6:test/page/6
				:ellipsis:9:test/page/9
				:else:10:test/page/10
				:next::test/page/4
				:u_prev:test/page/2
				:u_next:test/page/4',
			),
		);
	}

	/**
	* @dataProvider generate_template_pagination_data
	*/
	public function test_generate_template_pagination($base_url, $start_name, $num_items, $per_page, $start_item, $expect)
	{
		$this->pagination->generate_template_pagination($base_url, 'pagination', $start_name, $num_items, $per_page, $start_item);
		$this->template->set_filenames(array('test' => 'pagination.html'));

		$this->assertEquals(str_replace("\t", '', $expect), $this->display('test'));
	}

	public function on_page_data()
	{
		return array(
			array(
				10,
				10,
				0,
				'PAGE_OF-1-1',
			),
		);
	}

	/**
	* @dataProvider on_page_data
	*/
	public function test_on_page($num_items, $per_page, $start_item, $expect_return)
	{
		$this->assertEquals($expect_return, $this->pagination->on_page($num_items, $per_page, $start_item));
	}

	public function validate_start_data()
	{
		return array(
			array(
				0,
				0,
				0,
			),
			array(
				-1,
				20,
				0,
			),
			array(
				20,
				-30,
				0,
			),
			array(
				0,
				20,
				0,
			),
			array(
				10,
				20,
				10,
			),
			array(
				20,
				20,
				10,
			),
			array(
				30,
				20,
				10,
			),
		);
	}

	/**
	* @dataProvider validate_start_data
	*/
	public function test_validate_start($start, $num_items, $expect)
	{
		$this->assertEquals($expect, $this->pagination->validate_start($start, 10, $num_items));
	}

	public function reverse_start_data()
	{
		return array(
			array(
				10,
				5,
				15,
				0,
			),
			array(
				10,
				10,
				25,
				5,
			),
		);
	}

	/**
	* @dataProvider reverse_start_data
	*/
	public function test_reverse_start($start, $limit, $num_items, $expect)
	{
		$this->assertEquals($expect, $this->pagination->reverse_start($start, $limit, $num_items));
	}

	public function reverse_limit_data()
	{
		return array(
			array(
				10,
				10,
				15,
				5,
			),
			array(
				20,
				10,
				15,
				1,
			),
		);
	}

	/**
	* @dataProvider reverse_limit_data
	*/
	public function test_reverse_limit($start, $per_page, $num_items, $expect)
	{
		$this->assertEquals($expect, $this->pagination->reverse_limit($start, $per_page, $num_items));
	}
}