<?php

/**
 * ownCloud - App Framework
 *
 * @author Bernhard Posselt
 * @copyright 2012 Bernhard Posselt dev@bernhard-posselt.com
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
 * License as published by the Free Software Foundation; either
 * version 3 of the License, or any later version.
 *
 * This library 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 library.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

namespace Test\AppFramework\Db;

use OCP\AppFramework\Db\DoesNotExistException;
use OCP\AppFramework\Db\Entity;
use OCP\AppFramework\Db\Mapper;
use OCP\AppFramework\Db\MultipleObjectsReturnedException;
use OCP\IDBConnection;

/**
 * @method integer getId()
 * @method void setId(integer $id)
 * @method string getEmail()
 * @method void setEmail(string $email)
 * @method string getPreName()
 * @method void setPreName(string $preName)
 */
class Example extends Entity {
	protected $preName;
	protected $email;
};


class ExampleMapper extends Mapper {
	public function __construct(IDBConnection $db) {
		parent::__construct($db, 'table');
	}
	public function find($table, $id) {
		return $this->findOneQuery($table, $id);
	}
	public function findOneEntity($table, $id) {
		return $this->findEntity($table, $id);
	}
	public function findAllEntities($table) {
		return $this->findEntities($table);
	}
	public function mapRow($row) {
		return $this->mapRowToEntity($row);
	}
	public function execSql($sql, $params) {
		return $this->execute($sql, $params);
	}
}


class MapperTest extends MapperTestUtility {

	/**
	 * @var Mapper
	 */
	private $mapper;

	protected function setUp(): void {
		parent::setUp();
		$this->mapper = new ExampleMapper($this->db);
	}


	public function testMapperShouldSetTableName() {
		$this->assertEquals('*PREFIX*table', $this->mapper->getTableName());
	}


	public function testFindQuery() {
		$sql = 'hi';
		$params = ['jo'];
		$rows = [
			['hi']
		];
		$this->setMapperResult($sql, $params, $rows);
		$this->mapper->find($sql, $params);
	}

	public function testFindEntity() {
		$sql = 'hi';
		$params = ['jo'];
		$rows = [
			['pre_name' => 'hi']
		];
		$this->setMapperResult($sql, $params, $rows, null, null, true);
		$this->mapper->findOneEntity($sql, $params);
	}

	public function testFindNotFound() {
		$sql = 'hi';
		$params = ['jo'];
		$rows = [];
		$this->setMapperResult($sql, $params, $rows);
		$this->expectException(DoesNotExistException::class);
		$this->mapper->find($sql, $params);
	}

	public function testFindEntityNotFound() {
		$sql = 'hi';
		$params = ['jo'];
		$rows = [];
		$this->setMapperResult($sql, $params, $rows, null, null, true);
		$this->expectException(DoesNotExistException::class);
		$this->mapper->findOneEntity($sql, $params);
	}

	public function testFindMultiple() {
		$sql = 'hi';
		$params = ['jo'];
		$rows = [
			['jo'], ['ho']
		];
		$this->setMapperResult($sql, $params, $rows, null, null, true);
		$this->expectException(MultipleObjectsReturnedException::class);
		$this->mapper->find($sql, $params);
	}

	public function testFindEntityMultiple() {
		$sql = 'hi';
		$params = ['jo'];
		$rows = [
			['jo'], ['ho']
		];
		$this->setMapperResult($sql, $params, $rows, null, null, true);
		$this->expectException(MultipleObjectsReturnedException::class);
		$this->mapper->findOneEntity($sql, $params);
	}


	public function testDelete() {
		$sql = 'DELETE FROM `*PREFIX*table` WHERE `id` = ?';
		$params = [2];

		$this->setMapperResult($sql, $params, [], null, null, true);
		$entity = new Example();
		$entity->setId($params[0]);

		$this->mapper->delete($entity);
	}


	public function testCreate() {
		$this->db->expects($this->once())
			->method('lastInsertId')
			->with($this->equalTo('*PREFIX*table'))
			->willReturn(3);
		$this->mapper = new ExampleMapper($this->db);

		$sql = 'INSERT INTO `*PREFIX*table`(`pre_name`,`email`) ' .
				'VALUES(?,?)';
		$params = ['john', 'my@email'];
		$entity = new Example();
		$entity->setPreName($params[0]);
		$entity->setEmail($params[1]);

		$this->setMapperResult($sql, $params, [], null, null, true);

		$this->mapper->insert($entity);
	}


	public function testCreateShouldReturnItemWithCorrectInsertId() {
		$this->db->expects($this->once())
			->method('lastInsertId')
			->with($this->equalTo('*PREFIX*table'))
			->willReturn(3);
		$this->mapper = new ExampleMapper($this->db);

		$sql = 'INSERT INTO `*PREFIX*table`(`pre_name`,`email`) ' .
				'VALUES(?,?)';
		$params = ['john', 'my@email'];
		$entity = new Example();
		$entity->setPreName($params[0]);
		$entity->setEmail($params[1]);

		$this->setMapperResult($sql, $params);

		$result = $this->mapper->insert($entity);

		$this->assertEquals(3, $result->getId());
	}


	public function testAssocParameters() {
		$sql = 'test';
		$params = [':test' => 1, ':a' => 2];

		$this->setMapperResult($sql, $params);
		$this->mapper->execSql($sql, $params);
	}


	public function testUpdate() {
		$sql = 'UPDATE `*PREFIX*table` ' .
				'SET ' .
				'`pre_name` = ?,'.
				'`email` = ? ' .
				'WHERE `id` = ?';

		$params = ['john', 'my@email', 1];
		$entity = new Example();
		$entity->setPreName($params[0]);
		$entity->setEmail($params[1]);
		$entity->setId($params[2]);

		$this->setMapperResult($sql, $params, [], null, null, true);

		$this->mapper->update($entity);
	}


	public function testUpdateNoId() {
		$params = ['john', 'my@email'];
		$entity = new Example();
		$entity->setPreName($params[0]);
		$entity->setEmail($params[1]);

		$this->expectException(\InvalidArgumentException::class);

		$this->mapper->update($entity);
	}


	public function testUpdateNothingChangedNoQuery() {
		$params = ['john', 'my@email'];
		$entity = new Example();
		$entity->setId(3);
		$entity->setEmail($params[1]);
		$entity->resetUpdatedFields();

		$this->db->expects($this->never())
			->method('prepare');

		$this->mapper->update($entity);
	}


	public function testMapRowToEntity() {
		$entity1 = $this->mapper->mapRow(['pre_name' => 'test1', 'email' => 'test2']);
		$entity2 = new Example();
		$entity2->setPreName('test1');
		$entity2->setEmail('test2');
		$entity2->resetUpdatedFields();
		$this->assertEquals($entity2, $entity1);
	}

	public function testFindEntities() {
		$sql = 'hi';
		$rows = [
			['pre_name' => 'hi']
		];
		$entity = new Example();
		$entity->setPreName('hi');
		$entity->resetUpdatedFields();
		$this->setMapperResult($sql, [], $rows, null, null, true);
		$result = $this->mapper->findAllEntities($sql);
		$this->assertEquals([$entity], $result);
	}

	public function testFindEntitiesNotFound() {
		$sql = 'hi';
		$rows = [];
		$this->setMapperResult($sql, [], $rows);
		$result = $this->mapper->findAllEntities($sql);
		$this->assertEquals([], $result);
	}

	public function testFindEntitiesMultiple() {
		$sql = 'hi';
		$rows = [
			['pre_name' => 'jo'], ['email' => 'ho']
		];
		$entity1 = new Example();
		$entity1->setPreName('jo');
		$entity1->resetUpdatedFields();
		$entity2 = new Example();
		$entity2->setEmail('ho');
		$entity2->resetUpdatedFields();
		$this->setMapperResult($sql, [], $rows);
		$result = $this->mapper->findAllEntities($sql);
		$this->assertEquals([$entity1, $entity2], $result);
	}
}