<?php

namespace yiiunit\extensions\mongodb\file;

use Yii;
use yii\helpers\FileHelper;
use yiiunit\extensions\mongodb\MongoDbTestCase;
use yii\mongodb\file\ActiveQuery;
use yiiunit\data\ar\mongodb\file\ActiveRecord;
use yiiunit\data\ar\mongodb\file\CustomerFile;

/**
 * @group mongodb
 */
class ActiveRecordTest extends MongoDbTestCase
{
    /**
     * @var array[] list of test rows.
     */
    protected $testRows = [];

    protected function setUp()
    {
        parent::setUp();
        ActiveRecord::$db = $this->getConnection();
        $this->setUpTestRows();
        $filePath = $this->getTestFilePath();
        if (!file_exists($filePath)) {
            FileHelper::createDirectory($filePath);
        }
    }

    protected function tearDown()
    {
        $filePath = $this->getTestFilePath();
        if (file_exists($filePath)) {
            FileHelper::removeDirectory($filePath);
        }
        $this->dropFileCollection(CustomerFile::collectionName());
        parent::tearDown();
    }

    /**
     * @return string test file path.
     */
    protected function getTestFilePath()
    {
        return Yii::getAlias('@yiiunit/runtime') . DIRECTORY_SEPARATOR . basename(get_class($this)) . '_' . getmypid();
    }

    /**
     * Sets up test rows.
     */
    protected function setUpTestRows()
    {
        $collection = $this->getConnection()->getFileCollection(CustomerFile::collectionName());
        $rows = [];
        for ($i = 1; $i <= 10; $i++) {
            $record = [
                'tag' => 'tag' . $i,
                'status' => $i,
            ];
            $content = 'content' . $i;
            $record['_id'] = $collection->insertFileContent($content, $record);
            $record['content'] = $content;
            $rows[] = $record;
        }
        $this->testRows = $rows;
    }

    // Tests :

    public function testFind()
    {
        // find one
        $result = CustomerFile::find();
        $this->assertTrue($result instanceof ActiveQuery);
        $customer = $result->one();
        $this->assertTrue($customer instanceof CustomerFile);

        // find all
        $customers = CustomerFile::find()->all();
        $this->assertEquals(10, count($customers));
        $this->assertTrue($customers[0] instanceof CustomerFile);
        $this->assertTrue($customers[1] instanceof CustomerFile);

        // find by _id
        $testId = $this->testRows[0]['_id'];
        $customer = CustomerFile::findOne($testId);
        $this->assertTrue($customer instanceof CustomerFile);
        $this->assertEquals($testId, $customer->_id);

        // find by column values
        $customer = CustomerFile::findOne(['tag' => 'tag5']);
        $this->assertTrue($customer instanceof CustomerFile);
        $this->assertEquals($this->testRows[4]['_id'], $customer->_id);
        $this->assertEquals('tag5', $customer->tag);
        $customer = CustomerFile::findOne(['tag' => 'unexisting tag']);
        $this->assertNull($customer);

        // find by attributes
        $customer = CustomerFile::find()->where(['status' => 4])->one();
        $this->assertTrue($customer instanceof CustomerFile);
        $this->assertEquals(4, $customer->status);

        // find count, sum, average, min, max, distinct
        $this->assertEquals(10, CustomerFile::find()->count());
        $this->assertEquals(1, CustomerFile::find()->where(['status' => 2])->count());
        $this->assertEquals((1+10)/2*10, CustomerFile::find()->sum('status'));
        $this->assertEquals((1+10)/2, CustomerFile::find()->average('status'));
        $this->assertEquals(1, CustomerFile::find()->min('status'));
        $this->assertEquals(10, CustomerFile::find()->max('status'));
        $this->assertEquals(range(1, 10), CustomerFile::find()->distinct('status'));

        // scope
        $this->assertEquals(1, CustomerFile::find()->activeOnly()->count());

        // asArray
        $testRow = $this->testRows[2];
        $customer = CustomerFile::find()->where(['_id' => $testRow['_id']])->asArray()->one();
        $this->assertEquals($testRow['_id'], $customer['_id']);
        $this->assertEquals($testRow['tag'], $customer['tag']);
        $this->assertEquals($testRow['status'], $customer['status']);

        // indexBy
        $customers = CustomerFile::find()->indexBy('tag')->all();
        $this->assertTrue($customers['tag1'] instanceof CustomerFile);
        $this->assertTrue($customers['tag2'] instanceof CustomerFile);

        // indexBy callable
        $customers = CustomerFile::find()->indexBy(function ($customer) {
            return $customer->status . '-' . $customer->status;
        })->all();
        $this->assertTrue($customers['1-1'] instanceof CustomerFile);
        $this->assertTrue($customers['2-2'] instanceof CustomerFile);
    }

    public function testInsert()
    {
        $record = new CustomerFile;
        $record->tag = 'new new';
        $record->status = 7;

        $this->assertTrue($record->isNewRecord);

        $record->save();

        $this->assertTrue($record->_id instanceof \MongoId);
        $this->assertFalse($record->isNewRecord);

        $fileContent = $record->getFileContent();
        $this->assertEmpty($fileContent);
    }

    /**
     * @depends testInsert
     */
    public function testInsertFile()
    {
        $record = new CustomerFile;
        $record->tag = 'new new';
        $record->status = 7;

        $fileName = __FILE__;
        $record->setAttribute('file', $fileName);

        $record->save();

        $this->assertTrue($record->_id instanceof \MongoId);
        $this->assertFalse($record->isNewRecord);

        $fileContent = $record->getFileContent();
        $this->assertEquals(file_get_contents($fileName), $fileContent);
    }

    /**
     * @depends testInsert
     */
    public function testInsertFileContent()
    {
        $record = new CustomerFile;
        $record->tag = 'new new';
        $record->status = 7;

        $newFileContent = 'Test new file content';
        $record->setAttribute('newFileContent', $newFileContent);

        $record->save();

        $this->assertTrue($record->_id instanceof \MongoId);
        $this->assertFalse($record->isNewRecord);

        $fileContent = $record->getFileContent();
        $this->assertEquals($newFileContent, $fileContent);
    }

    /**
     * @depends testInsert
     */
    public function testUpdate()
    {
        $record = new CustomerFile;
        $record->tag = 'new new';
        $record->status = 7;
        $record->save();

        // save
        $record = CustomerFile::findOne($record->_id);
        $this->assertTrue($record instanceof CustomerFile);
        $this->assertEquals(7, $record->status);
        $this->assertFalse($record->isNewRecord);

        $record->status = 9;
        $record->save();
        $this->assertEquals(9, $record->status);
        $this->assertFalse($record->isNewRecord);
        $record2 = CustomerFile::findOne($record->_id);
        $this->assertEquals(9, $record2->status);

        // updateAll
        $pk = ['_id' => $record->_id];
        $ret = CustomerFile::updateAll(['status' => 55], $pk);
        $this->assertEquals(1, $ret);
        $record = CustomerFile::findOne($pk);
        $this->assertEquals(55, $record->status);
    }

    /**
     * @depends testUpdate
     * @depends testInsertFileContent
     */
    public function testUpdateFile()
    {
        $record = new CustomerFile;
        $record->tag = 'new new';
        $record->status = 7;
        $newFileContent = 'Test new file content';
        $record->setAttribute('newFileContent', $newFileContent);
        $record->save();

        $updateFileName = __FILE__;
        $record = CustomerFile::findOne($record->_id);
        $record->setAttribute('file', $updateFileName);
        $record->status = 55;
        $record->save();
        $this->assertEquals(file_get_contents($updateFileName), $record->getFileContent());

        $record2 = CustomerFile::findOne($record->_id);
        $this->assertEquals($record->status, $record2->status);
        $this->assertEquals(file_get_contents($updateFileName), $record2->getFileContent());
        $this->assertEquals($record->tag, $record2->tag);
    }

    /**
     * @depends testUpdate
     * @depends testInsertFileContent
     */
    public function testUpdateFileContent()
    {
        $record = new CustomerFile;
        $record->tag = 'new new';
        $record->status = 7;
        $newFileContent = 'Test new file content';
        $record->setAttribute('newFileContent', $newFileContent);
        $record->save();

        $updateFileContent = 'New updated file content';
        $record = CustomerFile::findOne($record->_id);
        $record->setAttribute('newFileContent', $updateFileContent);
        $record->status = 55;
        $record->save();
        $this->assertEquals($updateFileContent, $record->getFileContent());

        $record2 = CustomerFile::findOne($record->_id);
        $this->assertEquals($record->status, $record2->status);
        $this->assertEquals($updateFileContent, $record2->getFileContent());
    }

    /**
     * @depends testInsertFileContent
     */
    public function testWriteFile()
    {
        $record = new CustomerFile;
        $record->tag = 'new new';
        $record->status = 7;
        $newFileContent = 'Test new file content';
        $record->setAttribute('newFileContent', $newFileContent);
        $record->save();

        $outputFileName = $this->getTestFilePath() . DIRECTORY_SEPARATOR . 'out.txt';
        $this->assertTrue($record->writeFile($outputFileName));
        $this->assertEquals($newFileContent, file_get_contents($outputFileName));

        $record2 = CustomerFile::findOne($record->_id);
        $outputFileName = $this->getTestFilePath() . DIRECTORY_SEPARATOR . 'out_refreshed.txt';
        $this->assertTrue($record2->writeFile($outputFileName));
        $this->assertEquals($newFileContent, file_get_contents($outputFileName));
    }

    /**
     * @depends testInsertFileContent
     */
    public function testGetFileResource()
    {
        $record = new CustomerFile;
        $record->tag = 'new new';
        $record->status = 7;
        $newFileContent = 'Test new file content';
        $record->setAttribute('newFileContent', $newFileContent);
        $record->save();

        $fileResource = $record->getFileResource();
        $contents = stream_get_contents($fileResource);
        fclose($fileResource);
        $this->assertEquals($newFileContent, $contents);

        $record2 = CustomerFile::findOne($record->_id);
        $fileResource = $record2->getFileResource();
        $contents = stream_get_contents($fileResource);
        fclose($fileResource);
        $this->assertEquals($newFileContent, $contents);
    }
}
