<?php
/**
 * Copyright © 2016 Magento. All rights reserved.
 * See COPYING.txt for license details.
 */
namespace Magento\Sales\Test\Unit\Model\Order\Creditmemo\Validation;

use Magento\Framework\Pricing\PriceCurrencyInterface;
use Magento\Sales\Api\Data\CreditmemoInterface;
use Magento\Sales\Api\Data\OrderInterface;
use Magento\Sales\Api\InvoiceRepositoryInterface;
use Magento\Sales\Api\OrderRepositoryInterface;
use Magento\Sales\Model\Order\Creditmemo\Validation\QuantityValidator;

/**
 * Class QuantityValidatorTest
 */
class QuantityValidatorTest extends \PHPUnit_Framework_TestCase
{
    /**
     * @var OrderRepositoryInterface|\PHPUnit_Framework_MockObject_MockObject
     */
    private $orderRepositoryMock;

    /**
     * @var InvoiceRepositoryInterface|\PHPUnit_Framework_MockObject_MockObject
     */
    private $invoiceRepositoryMock;

    /**
     * @var QuantityValidator
     */
    private $validator;

    /**
     * @var PriceCurrencyInterface
     */
    private $priceCurrencyMock;

    /**
     * @inheritDoc
     */
    protected function setUp()
    {
        $this->orderRepositoryMock = $this->getMockBuilder(OrderRepositoryInterface::class)
            ->disableOriginalConstructor()
            ->getMockForAbstractClass();

        $this->invoiceRepositoryMock = $this->getMockBuilder(InvoiceRepositoryInterface::class)
            ->disableOriginalConstructor()
            ->getMockForAbstractClass();

        $this->priceCurrencyMock = $this->getMockBuilder(PriceCurrencyInterface::class)
            ->disableOriginalConstructor()
            ->getMockForAbstractClass();

        $this->validator = new QuantityValidator(
            $this->orderRepositoryMock,
            $this->invoiceRepositoryMock,
            $this->priceCurrencyMock
        );
    }

    public function testValidateWithoutItems()
    {
        $creditmemoMock = $this->getMockBuilder(CreditmemoInterface::class)
            ->disableOriginalConstructor()
            ->getMockForAbstractClass();
        $creditmemoMock->expects($this->exactly(2))->method('getOrderId')
            ->willReturn(1);
        $creditmemoMock->expects($this->once())->method('getItems')
            ->willReturn([]);
        $orderMock = $this->getMockBuilder(OrderInterface::class)
            ->disableOriginalConstructor()
            ->getMockForAbstractClass();
        $orderMock->expects($this->once())->method('getItems')
            ->willReturn([]);

        $this->orderRepositoryMock->expects($this->once())
            ->method('get')
            ->with(1)
            ->willReturn($orderMock);
        $creditmemoMock->expects($this->once())->method('getGrandTotal')
            ->willReturn(0);
        $this->assertEquals(
            [
                __('The credit memo\'s total must be positive.')
            ],
            $this->validator->validate($creditmemoMock)
        );
    }

    public function testValidateWithoutOrder()
    {
        $creditmemoMock = $this->getMockBuilder(CreditmemoInterface::class)
            ->disableOriginalConstructor()
            ->getMockForAbstractClass();
        $creditmemoMock->expects($this->once())->method('getOrderId')
            ->willReturn(null);
        $creditmemoMock->expects($this->never())->method('getItems');
        $this->assertEquals(
            [__('Order Id is required for creditmemo document')],
            $this->validator->validate($creditmemoMock)
        );
    }

    public function testValidateWithWrongItemId()
    {
        $orderId = 1;
        $orderItemId = 1;
        $creditmemoMock = $this->getMockBuilder(CreditmemoInterface::class)
            ->disableOriginalConstructor()
            ->getMockForAbstractClass();
        $creditmemoMock->expects($this->exactly(2))->method('getOrderId')
            ->willReturn($orderId);
        $creditmemoItemMock = $this->getMockBuilder(
            \Magento\Sales\Api\Data\CreditmemoItemInterface::class
        )->disableOriginalConstructor()
            ->getMockForAbstractClass();
        $creditmemoItemMock->expects($this->once())->method('getOrderItemId')
            ->willReturn($orderItemId);
        $creditmemoItemSku = 'sku';
        $creditmemoItemMock->expects($this->once())->method('getSku')
            ->willReturn($creditmemoItemSku);
        $creditmemoMock->expects($this->exactly(1))->method('getItems')
            ->willReturn([$creditmemoItemMock]);

        $orderMock = $this->getMockBuilder(OrderInterface::class)
            ->disableOriginalConstructor()
            ->getMockForAbstractClass();
        $orderMock->expects($this->once())->method('getItems')
            ->willReturn([]);

        $this->orderRepositoryMock->expects($this->once())
            ->method('get')
            ->with($orderId)
            ->willReturn($orderMock);
        $creditmemoMock->expects($this->once())->method('getGrandTotal')
            ->willReturn(12);

        $this->assertEquals(
            [
                __(
                    'The creditmemo contains product SKU "%1" that is not part of the original order.',
                    $creditmemoItemSku
                ),
                __('You can\'t create a creditmemo without products.')
            ],
            $this->validator->validate($creditmemoMock)
        );
    }

    /**
     * @param int $orderId
     * @param int $orderItemId
     * @param int $qtyToRequest
     * @param int $qtyToRefund
     * @param string $sku
     * @param array $expected
     * @dataProvider dataProviderForValidateQty
     */
    public function testValidate($orderId, $orderItemId, $qtyToRequest, $qtyToRefund, $sku, $total, array $expected)
    {
        $creditmemoMock = $this->getMockBuilder(CreditmemoInterface::class)
            ->disableOriginalConstructor()
            ->getMockForAbstractClass();
        $creditmemoMock->expects($this->exactly(2))->method('getOrderId')
            ->willReturn($orderId);
        $creditmemoMock->expects($this->once())->method('getGrandTotal')
            ->willReturn($total);
        $creditmemoItemMock = $this->getMockBuilder(
            \Magento\Sales\Api\Data\CreditmemoItemInterface::class
        )->disableOriginalConstructor()
            ->getMockForAbstractClass();
        $creditmemoItemMock->expects($this->exactly(2))->method('getOrderItemId')
            ->willReturn($orderItemId);
        $creditmemoItemMock->expects($this->never())->method('getSku')
            ->willReturn($sku);
        $creditmemoItemMock->expects($this->atLeastOnce())->method('getQty')
            ->willReturn($qtyToRequest);
        $creditmemoMock->expects($this->exactly(1))->method('getItems')
            ->willReturn([$creditmemoItemMock]);

        $orderMock = $this->getMockBuilder(OrderInterface::class)
            ->disableOriginalConstructor()
            ->getMockForAbstractClass();
        $orderItemMock = $this->getMockBuilder(\Magento\Sales\Model\Order\Item::class)
            ->disableOriginalConstructor()
            ->getMock();
        $orderItemMock->expects($this->exactly(2))->method('getQtyToRefund')
            ->willReturn($qtyToRefund);
        $creditmemoItemMock->expects($this->any())->method('getQty')
            ->willReturn($qtyToRequest);
        $orderMock->expects($this->once())->method('getItems')
            ->willReturn([$orderItemMock]);
        $orderItemMock->expects($this->once())->method('getItemId')
            ->willReturn($orderItemId);
        $orderItemMock->expects($this->any())->method('getSku')
            ->willReturn($sku);

        $this->orderRepositoryMock->expects($this->once())
            ->method('get')
            ->with($orderId)
            ->willReturn($orderMock);

        $this->assertEquals(
            $expected,
            $this->validator->validate($creditmemoMock)
        );
    }

    /**
     * @return array
     */
    public function dataProviderForValidateQty()
    {
        $sku = 'sku';

        return [
            [
                'orderId' => 1,
                'orderItemId' => 1,
                'qtyToRequest' => 1,
                'qtyToRefund' => 1,
                'sku',
                'total' => 15,
                'expected' => []
            ],
            [
                'orderId' => 1,
                'orderItemId' => 1,
                'qtyToRequest' => 2,
                'qtyToRefund' => 1,
                'sku',
                'total' => 0,
                'expected' => [
                    __(
                        'The quantity to creditmemo must not be greater than the unrefunded quantity'
                        . ' for product SKU "%1".',
                        $sku
                    ),
                    __('The credit memo\'s total must be positive.')
                ]
            ],
        ];
    }
}
