<?php
/**
 * SPDX-FileCopyrightText: 2017 Nextcloud GmbH and Nextcloud contributors
 * SPDX-License-Identifier: AGPL-3.0-or-later
 */
namespace OCA\User_LDAP\Tests\Migration;

use OCA\User_LDAP\Mapping\GroupMapping;
use OCA\User_LDAP\Mapping\UserMapping;
use OCA\User_LDAP\Migration\UUIDFixInsert;
use OCP\BackgroundJob\IJobList;
use OCP\IConfig;
use OCP\Migration\IOutput;
use Test\TestCase;

class UUIDFixInsertTest extends TestCase {
	/** @var IConfig|\PHPUnit\Framework\MockObject\MockObject */
	protected $config;

	/** @var UserMapping|\PHPUnit\Framework\MockObject\MockObject */
	protected $userMapper;

	/** @var GroupMapping|\PHPUnit\Framework\MockObject\MockObject */
	protected $groupMapper;

	/** @var IJobList|\PHPUnit\Framework\MockObject\MockObject */
	protected $jobList;

	/** @var UUIDFixInsert */
	protected $job;

	protected function setUp(): void {
		parent::setUp();

		$this->jobList = $this->createMock(IJobList::class);
		$this->config = $this->createMock(IConfig::class);
		$this->userMapper = $this->createMock(UserMapping::class);
		$this->groupMapper = $this->createMock(GroupMapping::class);
		$this->job = new UUIDFixInsert(
			$this->config,
			$this->userMapper,
			$this->groupMapper,
			$this->jobList
		);
	}

	public function testGetName(): void {
		$this->assertSame('Insert UUIDFix background job for user and group in batches', $this->job->getName());
	}

	public function recordProvider() {
		$record = [
			'dn' => 'cn=somerecord,dc=somewhere',
			'name' => 'Something',
			'uuid' => 'AB12-3456-CDEF7-8GH9'
		];
		array_fill(0, 50, $record);

		$userBatches = [
			0 => array_fill(0, 50, $record),
			1 => array_fill(0, 50, $record),
			2 => array_fill(0, 13, $record),
		];

		$groupBatches = [
			0 => array_fill(0, 7, $record),
		];

		return [
			['userBatches' => $userBatches, 'groupBatches' => $groupBatches]
		];
	}

	public function recordProviderTooLongAndNone() {
		$record = [
			'dn' => 'cn=somerecord,dc=somewhere',
			'name' => 'Something',
			'uuid' => 'AB12-3456-CDEF7-8GH9'
		];
		array_fill(0, 50, $record);

		$userBatches = [
			0 => array_fill(0, 50, $record),
			1 => array_fill(0, 40, $record),
			2 => array_fill(0, 32, $record),
			3 => array_fill(0, 32, $record),
			4 => array_fill(0, 23, $record),
		];

		$groupBatches = [0 => []];

		return [
			['userBatches' => $userBatches, 'groupBatches' => $groupBatches]
		];
	}

	/**
	 * @dataProvider recordProvider
	 */
	public function testRun($userBatches, $groupBatches): void {
		$this->config->expects($this->once())
			->method('getAppValue')
			->with('user_ldap', 'installed_version', '1.2.1')
			->willReturn('1.2.0');

		$this->userMapper->expects($this->exactly(3))
			->method('getList')
			->withConsecutive([0, 50], [50, 50], [100, 50])
			->willReturnOnConsecutiveCalls($userBatches[0], $userBatches[1], $userBatches[2]);

		$this->groupMapper->expects($this->exactly(1))
			->method('getList')
			->with(0, 50)
			->willReturn($groupBatches[0]);

		$this->jobList->expects($this->exactly(4))
			->method('add');

		/** @var IOutput $out */
		$out = $this->createMock(IOutput::class);
		$this->job->run($out);
	}

	/**
	 * @dataProvider recordProviderTooLongAndNone
	 */
	public function testRunWithManyAndNone($userBatches, $groupBatches): void {
		$this->config->expects($this->once())
			->method('getAppValue')
			->with('user_ldap', 'installed_version', '1.2.1')
			->willReturn('1.2.0');

		$this->userMapper->expects($this->exactly(5))
			->method('getList')
			->withConsecutive([0, 50], [0, 40], [0, 32], [32, 32], [64, 32])
			->willReturnOnConsecutiveCalls($userBatches[0], $userBatches[1], $userBatches[2], $userBatches[3], $userBatches[4]);

		$this->groupMapper->expects($this->once())
			->method('getList')
			->with(0, 50)
			->willReturn($groupBatches[0]);

		$this->jobList->expects($this->exactly(5))
			->method('add')
			->willReturnOnConsecutiveCalls(
				$this->throwException(new \InvalidArgumentException('Background job arguments can\'t exceed 4000 etc')),
				$this->throwException(new \InvalidArgumentException('Background job arguments can\'t exceed 4000 etc')),
				null,
				null,
				null,
			);

		/** @var IOutput $out */
		$out = $this->createMock(IOutput::class);
		$this->job->run($out);
	}

	public function testDonNotRun(): void {
		$this->config->expects($this->once())
			->method('getAppValue')
			->with('user_ldap', 'installed_version', '1.2.1')
			->willReturn('1.2.1');
		$this->userMapper->expects($this->never())
			->method('getList');
		$this->groupMapper->expects($this->never())
			->method('getList');
		$this->jobList->expects($this->never())
			->method('add');

		/** @var IOutput $out */
		$out = $this->createMock(IOutput::class);
		$this->job->run($out);
	}
}