<?php
/**
 * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
 *
 * Copyright (C) 2019 - 2020 Jan Böhmer (https://github.com/jbtronics)
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published
 * by the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */

declare(strict_types=1);

namespace App\Tests\Services\ImportExportSystem;

use App\Entity\Attachments\AttachmentContainingDBElement;
use App\Entity\Attachments\AttachmentType;
use App\Entity\LabelSystem\LabelProfile;
use App\Entity\Parts\Category;
use App\Entity\Parts\Part;
use App\Entity\UserSystem\User;
use App\Services\ImportExportSystem\EntityImporter;
use Doctrine\ORM\EntityManagerInterface;
use Symfony\Bundle\FrameworkBundle\Test\WebTestCase;
use Symfony\Component\Validator\ConstraintViolation;

/**
 * @group DB
 */
class EntityImporterTest extends WebTestCase
{
    /**
     * @var EntityImporter
     */
    protected $service;

    protected function setUp(): void
    {
        //Get a service instance.
        self::bootKernel();
        $this->service = self::getContainer()->get(EntityImporter::class);
    }

    public function testMassCreationResults(): void
    {
        $errors = [];
        $results = $this->service->massCreation('', AttachmentType::class, null, $errors);
        $this->assertEmpty($results);
        $this->assertEmpty($errors);

        $errors = [];
        $lines = "Test 1\nTest 2   \nTest 3";
        $results = $this->service->massCreation($lines, AttachmentType::class, null, $errors);
        $this->assertCount(0, $errors);
        $this->assertCount(3, $results);
        //Check type
        $this->assertInstanceOf(AttachmentType::class, $results[0]);
        //Check names
        $this->assertSame('Test 1', $results[0]->getName());
        $this->assertSame('Test 2', $results[1]->getName());
        //Check parent
        $this->assertNull($results[0]->getMasterPictureAttachment());

        $em = self::getContainer()->get(EntityManagerInterface::class);
        $parent = $em->find(AttachmentType::class, 1);
        $results = $this->service->massCreation($lines, AttachmentType::class, $parent, $errors);
        $this->assertCount(3, $results);
        $this->assertSame($parent, $results[0]->getParent());

        //Test for addition of existing elements
        $errors = [];
        $lines = "Node 3\n   Node 3.new";
        $results = $this->service->massCreation($lines, AttachmentType::class, null, $errors);
        $this->assertCount(2, $results);
        $this->assertCount(0, $errors);
        $this->assertSame('Node 3', $results[0]->getName());
        //Node 3 must be an existing entity
        $this->assertNotNull($results[0]->getId());
        $this->assertSame('Node 3.new', $results[1]->getName());
        //Parent must be Node 3
        $this->assertSame($results[0], $results[1]->getParent());
    }

    public function testNonStructuralClass(): void
    {
        $input = <<<EOT
Test1
   Test1.1
Test2
EOT;
        $errors = [];

        $results = $this->service->massCreation($input, LabelProfile::class, null, $errors);

        //Import must not fail, even with non-structural classes
        $this->assertCount(3, $results);
        $this->assertCount(0, $errors);

        $this->assertSame('Test1', $results[0]->getName());
        $this->assertSame('Test1.1', $results[1]->getName());
        $this->assertSame('Test2', $results[2]->getName());

    }

    public function testMassCreationNested(): void
    {
        $input = <<<EOT
Test 1
   Test 1.1
    Test 1.1.1
    Test 1.1.2
   Test 1.2
      Test 1.2.1
Test 2
EOT;

        $errors = [];
        $em = self::getContainer()->get(EntityManagerInterface::class);
        $parent = $em->find(AttachmentType::class, 1);
        $results = $this->service->massCreation($input, AttachmentType::class, $parent, $errors);

        //We have 7 elements, and 0 errors
        $this->assertCount(0, $errors);
        $this->assertCount(7, $results);

        $element1 = $results[0];
        $element11 = $results[1];
        $element111 = $results[2];
        $element112 = $results[3];
        $element12 = $results[4];
        $element121 = $results[5];
        $element2 = $results[6];

        $this->assertSame('Test 1', $element1->getName());
        $this->assertSame('Test 1.1', $element11->getName());
        $this->assertSame('Test 1.1.1', $element111->getName());
        $this->assertSame('Test 1.1.2', $element112->getName());
        $this->assertSame('Test 1.2', $element12->getName());
        $this->assertSame('Test 1.2.1', $element121->getName());
        $this->assertSame('Test 2', $element2->getName());

        //Check parents
        $this->assertSame($parent, $element1->getParent());
        $this->assertSame($element1, $element11->getParent());
        $this->assertSame($element11, $element111->getParent());
        $this->assertSame($element11, $element112->getParent());
        $this->assertSame($element1, $element12->getParent());
        $this->assertSame($element12, $element121->getParent());
        $this->assertSame($parent, $element2->getParent());
    }

    public function testMassCreationErrors(): void
    {
        $errors = [];
        $longName = str_repeat('a', 256);

        //The last node is too long, this must trigger a validation error
        $lines = "Test 1\nNode 1\n   " . $longName;
        $results = $this->service->massCreation($lines, AttachmentType::class, null, $errors);
        $this->assertCount(2, $results);
        $this->assertSame('Test 1', $results[0]->getName());
        $this->assertCount(1, $errors);
        $this->assertSame($longName, $errors[0]['entity']->getName());
    }

    public function formatDataProvider(): array
    {
        return [
            ['csv', 'csv'],
            ['csv', 'CSV'],
            ['xml', 'Xml'],
            ['json', 'json'],
            ['yaml', 'yml'],
            ['yaml', 'YAML'],
        ];
    }

    /**
     * @dataProvider formatDataProvider
     */
    public function testDetermineFormat(string $expected, string $extension): void
    {
        $this->assertSame($expected, $this->service->determineFormat($extension));
    }

    public function testImportStringParts(): void
    {
        $input = <<<EOT
        name,description,notes,manufacturer
        Test 1,Test 1 description,Test 1 notes,Test 1 manufacturer
        Test 2,Test 2 description,Test 2 notes,Test 2 manufacturer
        EOT;

        $category = new Category();
        $category->setName('Test category');

        $errors = [];
        $results = $this->service->importString($input, [
            'class' => Part::class,
            'format' => 'csv',
            'csv_delimiter' => ',',
            'create_unknown_datastructures' => true,
            'part_category' => $category,
        ], $errors);

        $this->assertCount(2, $results);
        //No errors must be present
        $this->assertEmpty($errors);
        $this->assertContainsOnlyInstancesOf(Part::class, $results);

        $this->assertSame('Test 1', $results[0]->getName());
        $this->assertSame('Test 1 description', $results[0]->getDescription());
        $this->assertSame('Test 1 notes', $results[0]->getComment());
        $this->assertSame('Test 1 manufacturer', $results[0]->getManufacturer()->getName());
        $this->assertSame($category, $results[0]->getCategory());

        $this->assertSame('Test 2', $results[1]->getName());
        $this->assertSame('Test 2 description', $results[1]->getDescription());
        $this->assertSame('Test 2 notes', $results[1]->getComment());
        $this->assertSame('Test 2 manufacturer', $results[1]->getManufacturer()->getName());
        $this->assertSame($category, $results[1]->getCategory());

        $input = <<<EOT
        [{"name":"Test 1","description":"Test 1 description","notes":"Test 1 notes","manufacturer":"Test 1 manufacturer", "tags": "test,test2"},{"name":"","description":"Test 2 description","notes":"Test 2 notes","manufacturer":"Test 2 manufacturer", "manufacturing_status": "active"}]
        EOT;

        $errors = [];
        $results = $this->service->importString($input, [
            'class' => Part::class,
            'format' => 'json',
            'create_unknown_datastructures' => true,
            'part_category' => $category,
        ], $errors);

        //We have 2 elements, but one is invalid
        $this->assertCount(1, $results);
        $this->assertCount(1, $errors);
        $this->assertContainsOnlyInstancesOf(Part::class, $results);

        //Check the format of the error
        $error = reset($errors);
        $this->assertInstanceOf(Part::class, $error['entity']);
        $this->assertSame('', $error['entity']->getName());
        $this->assertContainsOnlyInstancesOf(ConstraintViolation::class, $error['violations']);
        //Element name must be element name
        $this->assertArrayHasKey('', $errors);

        //Check the valid element
        $this->assertSame('Test 1', $results[0]->getName());
        $this->assertSame('Test 1 description', $results[0]->getDescription());
        $this->assertSame('Test 1 notes', $results[0]->getComment());
        $this->assertSame('Test 1 manufacturer', $results[0]->getManufacturer()->getName());
        $this->assertSame($category, $results[0]->getCategory());
        $this->assertSame('test,test2', $results[0]->getTags());
    }
}
