<?php
declare(strict_types=1);

namespace Esun\CustomerMessage\Test\Unit\Plugin\Adminhtml;

use Esun\CustomerMessage\Plugin\Adminhtml\OrderViewMessagesButton;
use Magento\Backend\Model\UrlInterface;
use Magento\Framework\View\LayoutInterface;
use Magento\Sales\Block\Adminhtml\Order\View;
use Magento\Sales\Model\Order;
use PHPUnit\Framework\MockObject\MockObject;
use PHPUnit\Framework\TestCase;

class OrderViewMessagesButtonTest extends TestCase
{
    private UrlInterface&MockObject $url;
    private OrderViewMessagesButton $plugin;

    protected function setUp(): void
    {
        $this->url = $this->createMock(UrlInterface::class);
        $this->plugin = new OrderViewMessagesButton($this->url);
    }

    public function testAddsMessagesButtonAndPreservesLayoutArgument(): void
    {
        $layout = $this->createMock(LayoutInterface::class);
        $order = $this->createMock(Order::class);
        $order->method('getCustomerId')->willReturn(3);
        $order->method('getId')->willReturn(16);

        $view = $this->getMockBuilder(View::class)
            ->disableOriginalConstructor()
            ->onlyMethods(['getOrder', 'addButton'])
            ->getMock();
        $view->method('getOrder')->willReturn($order);
        $this->url->expects(self::once())
            ->method('getUrl')
            ->with('esun_customer_message/message/index', ['order_id' => 16])
            ->willReturn('https://esun3d.test/admin/messages/order/16');
        $view->expects(self::once())
            ->method('addButton')
            ->with(
                'esun_order_messages',
                self::callback(static fn(array $button): bool =>
                    (string)$button['label'] === 'Messages'
                    && str_contains($button['onclick'], '/messages/order/16')
                )
            );

        self::assertSame([$layout], $this->plugin->beforeSetLayout($view, $layout));
    }

    public function testPreservesLayoutWithoutAddingButtonForGuestOrder(): void
    {
        $layout = $this->createMock(LayoutInterface::class);
        $order = $this->createMock(Order::class);
        $order->method('getCustomerId')->willReturn(null);

        $view = $this->getMockBuilder(View::class)
            ->disableOriginalConstructor()
            ->onlyMethods(['getOrder', 'addButton'])
            ->getMock();
        $view->method('getOrder')->willReturn($order);
        $view->expects(self::never())->method('addButton');

        self::assertSame([$layout], $this->plugin->beforeSetLayout($view, $layout));
    }
}