<?php

/**
 * Matomo - free/libre analytics platform
 *
 * @link    https://matomo.org
 * @license https://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
 */

namespace Piwik\Tests\Integration\Settings\Storage\Backend;

use Piwik\Settings\Storage\Backend\PluginSettingsTable;
use Piwik\Tests\Framework\TestCase\IntegrationTestCase;

/**
 * @group Settings
 * @group Backend
 * @group Storage
 */
class PluginSettingsTableTest extends IntegrationTestCase
{
    /**
     * @var PluginSettingsTable
     */
    private $backendPlugin1;

    /**
     * @var PluginSettingsTable
     */
    private $backendPlugin2;

    /**
     * @var PluginSettingsTable
     */
    private $backendUser1;

    /**
     * @var PluginSettingsTable
     */
    private $backendUser2;

    /**
     * @var PluginSettingsTable[]
     */
    private $allBackends = array();

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

        $this->backendPlugin1 = $this->createSettings('MyPluginName', '');
        $this->backendPlugin2 = $this->createSettings('MyPluginName2', '');
        $this->backendUser1 = $this->createSettings('MyPluginName', 'user1');
        $this->backendUser2 = $this->createSettings('MyPluginName', 'user2');
        $this->allBackends = array($this->backendPlugin1, $this->backendPlugin2, $this->backendUser1, $this->backendUser2);
    }

    private function createSettings($plugin, $login)
    {
        return new PluginSettingsTable($plugin, $login);
    }

    public function testConstructShouldThrowAnExceptionIfPluginNameIsEmpty()
    {
        $this->expectException(\Exception::class);
        $this->expectExceptionMessage('No plugin name given');

        $this->createSettings('', '');
    }

    public function testConstructShouldThrowAnExceptionIfUserLoginFalse()
    {
        $this->expectException(\Exception::class);
        $this->expectExceptionMessage('Invalid user login name');

        $this->createSettings('MyPlugin', false);
    }

    public function testConstructShouldThrowAnExceptionIfUserLoginNull()
    {
        $this->expectException(\Exception::class);
        $this->expectExceptionMessage('Invalid user login name');

        $this->createSettings('MyPlugin', null);
    }

    public function testLoadShouldNotHaveAnySettingsByDefault()
    {
        $this->assertSame(array(), $this->backendPlugin1->load());
        $this->assertSame(array(), $this->backendPlugin2->load());
        $this->assertSame(array(), $this->backendUser1->load());
        $this->assertSame(array(), $this->backendUser2->load());
    }

    public function testGetStorageIdShouldIncludePluginNameAndLogin()
    {
        $this->assertSame('PluginSettings_MyPluginName_User_', $this->backendPlugin1->getStorageId());
        $this->assertSame('PluginSettings_MyPluginName2_User_', $this->backendPlugin2->getStorageId());
        $this->assertSame('PluginSettings_MyPluginName_User_user1', $this->backendUser1->getStorageId());
        $this->assertSame('PluginSettings_MyPluginName_User_user2', $this->backendUser2->getStorageId());
    }

    public function testSaveShouldOnlySaveForSpecificPluginNoUserGiven()
    {
        $value1 = array('Mysetting1' => 'value1', 'Mysetting2' => 'val');

        $this->backendPlugin1->save($value1);

        $this->assertSame($value1, $this->backendPlugin1->load());
        $this->assertSame(array(), $this->backendPlugin2->load());
        $this->assertSame(array(), $this->backendUser1->load());
        $this->assertSame(array(), $this->backendUser2->load());

        $value2 = array('mytest' => 'test2');
        $this->backendPlugin2->save($value2);

        $this->assertSame($value1, $this->backendPlugin1->load());
        $this->assertSame($value2, $this->backendPlugin2->load());
        $this->assertSame(array(), $this->backendUser1->load());
        $this->assertSame(array(), $this->backendUser2->load());
    }

    public function testSaveShouldOnlySaveForSpecificPluginAndUser()
    {
        $values = array_fill(0, count($this->allBackends), array());

        foreach ($this->allBackends as $index => $backend) {
            $values[$index] = $this->getExampleValues();
            $backend->save($values[$index]);

            foreach ($this->allBackends as $j => $backend2) {
                $this->assertSame($values[$j], $backend2->load());
            }
        }
    }

    public function testDeleteShouldDeleteAllValuesButOnlyForSpecificPluginAndLogin()
    {
        $values = array();
        foreach ($this->allBackends as $index => $backend) {
            $values[$index] = $this->getExampleValues();
            $backend->save($values[$index]);
            $this->assertSame($values[$index], $backend->load());
        }

        foreach ($this->allBackends as $index => $backend) {
            $backend->delete();
            $values[$index] = array();

            // we make sure the values for all others are still set and only the current one was deleted
            foreach ($this->allBackends as $j => $backend2) {
                $this->assertSame($values[$j], $backend2->load());
            }
        }
    }

    public function testSaveDuplicateValuesShouldBeOverwritten()
    {
        $value1 = array('Mysetting1' => 'value1', 'Mysetting2' => 'val');

        $this->backendPlugin1->save($value1);

        $this->assertSame($value1, $this->backendPlugin1->load());

        $value2 = array('mytest' => 'test2', 'Mysetting2' => 'val', 'Mysetting1' => 'valueNew');
        $this->backendPlugin1->save($value2);

        $this->assertEquals($value2, $this->backendPlugin1->load());
    }

    public function testSaveNoLongerExistingValuesShouldBeRemoved()
    {
        $value = $this->saveValueForAllBackends();

        // overwrite only user1
        $value2 = array('mytest' => 'test2', 'Mysetting1' => 'valueNew');
        $this->backendUser1->save($value2);
        $this->assertEquals($value2, $this->backendUser1->load());

        // make sure other backends remain unchanged
        foreach ($this->allBackends as $backend) {
            if ($backend !== $this->backendUser1) {
                $this->assertSame($value, $backend->load());
            }
        }
    }

    public function testSaveLoadShouldBeAbleToSaveAndLoadArrayValues()
    {
        $value1 = array('Mysetting1' => 'value1', 'Mysetting2' => array('val', 'val7', 'val5'));

        $this->backendUser1->save($value1);
        $this->assertEquals($value1, $this->backendUser1->load());
    }

    public function testSaveLoadShouldBeAbleToSaveAndLoadObjectValues()
    {
        $value1 = array('Mysetting1' => 'value1', 'Mysetting2' => (object) array('val', 'val7', 'val5'));

        $this->backendUser1->save($value1);

        $value1['Mysetting2'] = (array) $value1['Mysetting2'];
        $this->assertEquals($value1, $this->backendUser1->load());
    }

    public function testSaveLoadShouldBeAbleToSaveNestedArrays()
    {
        $value1 = array('Mysetting1' => 'value1', 'Mysetting2' => array(array('foo' => 'bar'),array('foo' => 'baz')));

        $this->backendUser1->save($value1);
        $this->assertEquals($value1, $this->backendUser1->load());
    }

    public function testSaveLoadShouldBeAbleToSaveAndLoadArrayValuesOnlyOneKey()
    {
        $value1 = array('Mysetting1' => 'value1', 'Mysetting2' => array('val'));

        $this->backendUser1->save($value1);


        $value1 = array('Mysetting1' => 'value1', 'Mysetting2' => array('val'));
        // it doesn't return an array for Mysetting2 but it is supposed to be casted to array by storage in this case
        $this->assertEquals($value1, $this->backendUser1->load());
    }

    public function testSaveShouldBeAbleToSaveBoolValues()
    {
        $value1 = array('Mysetting1' => true, 'Mysetting2' => array('val', 'val7', false, true, 'val5'));

        $this->backendUser1->save($value1);

        $value1 = array('Mysetting1' => '1', 'Mysetting2' => array('val', 'val7', false, true, 'val5'));
        $this->assertEquals($value1, $this->backendUser1->load());
    }

    public function testSaveShouldIgnoreNullValuesButNotInArray()
    {
        $value1 = array('Mysetting1' => true, 'MySetting3' => null, 'Mysetting2' => array('val', null, true, 'val5'));

        $this->backendUser1->save($value1);

        $value1 = array('Mysetting1' => '1', 'Mysetting2' => array('val', null, true, 'val5'));
        $this->assertEquals($value1, $this->backendUser1->load());
    }

    public function testSaveValueShouldSaveOnlySingleValueAndKeepOtherValues()
    {
        $this->backendUser1->save(array('Mysetting1' => 'value1', 'Mysetting2' => 'value2'));
        $this->backendUser1->saveValue('Mysetting1', 'valueNew');

        $this->assertSame('valueNew', $this->backendUser1->loadValue('Mysetting1'));
        $this->assertSame('value2', $this->backendUser1->loadValue('Mysetting2'));
        $this->assertEquals(array('Mysetting1' => 'valueNew', 'Mysetting2' => 'value2'), $this->backendUser1->load());
    }

    public function testSaveValueShouldDeleteValueWhenValueIsNull()
    {
        $this->backendUser1->save(array('Mysetting1' => 'value1', 'Mysetting2' => 'value2'));
        $this->backendUser1->saveValue('Mysetting1', null);

        $this->assertSame('defaultValue', $this->backendUser1->loadValue('Mysetting1', 'defaultValue'));
        $this->assertSame(array('Mysetting2' => 'value2'), $this->backendUser1->load());
    }

    public function testSaveValueShouldSupportArrayObjectAndBoolValues()
    {
        $this->backendUser1->saveValue('arrayValue', array('foo' => 'bar'));
        $this->backendUser1->saveValue('objectValue', (object) array('one' => 'two'));
        $this->backendUser1->saveValue('boolValue', true);

        $this->assertSame(array('foo' => 'bar'), $this->backendUser1->loadValue('arrayValue'));
        $this->assertSame(array('one' => 'two'), $this->backendUser1->loadValue('objectValue'));
        $this->assertSame('1', $this->backendUser1->loadValue('boolValue'));
    }

    public function testLoadValueShouldReturnDefaultIfValueDoesNotExist()
    {
        $this->assertSame('myDefault', $this->backendUser1->loadValue('unknownSetting', 'myDefault'));
        $this->assertNull($this->backendUser1->loadValue('unknownSetting'));
    }

    public function testDeleteValueShouldDeleteOnlySpecificValue()
    {
        $this->backendUser1->save(array('Mysetting1' => 'value1', 'Mysetting2' => 'value2'));
        $this->backendUser1->deleteValue('Mysetting1');

        $this->assertSame('defaultValue', $this->backendUser1->loadValue('Mysetting1', 'defaultValue'));
        $this->assertSame('value2', $this->backendUser1->loadValue('Mysetting2'));
        $this->assertSame(array('Mysetting2' => 'value2'), $this->backendUser1->load());
    }

    public function testLoadValuesForUsersShouldReturnValuesForSelectedSettingsAndOnlyUsers()
    {
        $this->backendPlugin1->saveValue('Mysetting1', 'pluginValue');
        $this->backendUser1->save(array(
            'Mysetting1' => 'userValue1',
            'Mysetting2' => array('foo' => 'bar'),
            'Mysetting3' => 'ignoreMe',
        ));
        $this->backendUser2->save(array(
            'Mysetting1' => 'userValue2',
            'Mysetting2' => array('foo' => 'baz'),
        ));

        $result = $this->backendPlugin1->loadValuesForUsers(array('Mysetting1', 'Mysetting2'));

        $this->assertSame(array(
            'user1' => array(
                'Mysetting1' => 'userValue1',
                'Mysetting2' => array('foo' => 'bar'),
            ),
            'user2' => array(
                'Mysetting1' => 'userValue2',
                'Mysetting2' => array('foo' => 'baz'),
            ),
        ), $result);
    }

    public function testLoadValuesForUsersShouldReturnEmptyArrayWhenNoSettingNamesProvided()
    {
        $this->backendUser1->save(array('Mysetting1' => 'userValue1'));

        $this->assertSame(array(), $this->backendPlugin1->loadValuesForUsers(array()));
    }

    public function testSaveValueShouldThrowExceptionIfSettingNameIsEmpty()
    {
        $this->expectException(\Exception::class);
        $this->expectExceptionMessage('No setting name given');

        $this->backendUser1->saveValue('', 'value1');
    }

    public function testLoadValueShouldThrowExceptionIfSettingNameIsEmpty()
    {
        $this->expectException(\Exception::class);
        $this->expectExceptionMessage('No setting name given');

        $this->backendUser1->loadValue('');
    }

    public function testDeleteValueShouldThrowExceptionIfSettingNameIsEmpty()
    {
        $this->expectException(\Exception::class);
        $this->expectExceptionMessage('No setting name given');

        $this->backendUser1->deleteValue('');
    }

    public function testRemoveAllUserSettingsForUserShouldOnlyRemoveSettingsForThatUser()
    {
        $value = $this->saveValueForAllBackends();

        PluginSettingsTable::removeAllUserSettingsForUser('user1');

        foreach ($this->allBackends as $backend) {
            if ($backend === $this->backendUser1) {
                $this->assertSame(array(), $backend->load());
            } else {
                $this->assertSame($value, $backend->load());
            }
        }
    }

    public function testRemoveAllUserSettingsForUserShouldThrowAnExceptionIfLoginIsEmpty()
    {
        $this->expectException(\Exception::class);
        $this->expectExceptionMessage('No userLogin specified');

        PluginSettingsTable::removeAllUserSettingsForUser('');
    }

    public function testRemoveAllSettingsForPluginShouldOnlyRemoveSettingsForThatPlugin()
    {
        $value = $this->saveValueForAllBackends();

        PluginSettingsTable::removeAllSettingsForPlugin('MyPluginName');

        foreach ($this->allBackends as $backend) {
            if ($backend === $this->backendPlugin2) {
                $this->assertSame($value, $backend->load());
            } else {
                $this->assertSame(array(), $backend->load());
            }
        }
    }

    private function saveValueForAllBackends()
    {
        $value = array('Mysetting1' => 'value1', 'Mysetting2' => 'val');

        foreach ($this->allBackends as $backend) {
            $backend->save($value);
            $this->assertSame($value, $backend->load());
        }

        return $value;
    }

    private function getExampleValues()
    {
        return array('Mysetting3' => 'value3', 'Mysetting4' . rand(4, 99) => 'val' . rand(0, 10));
    }
}