<?php

namespace Tests\Unit\EcommerceFinance;

use App\Http\Controllers\Business\Pages;
use ReflectionMethod;
use Tests\TestCase;

class PerformanceDifferenceRemarkTest extends TestCase
{
    private function remark(array $attributes): ?string
    {
        $row = (object) array_merge([
            'platform' => '拼多多',
            'match_status' => '已匹配',
            'income_amount' => 0,
            'discount_amount' => 0,
            'offset_amount' => 0,
            'refund_amount' => 0,
            'product_amount' => 0,
            'paid_amount' => 0,
            'difference' => 0,
            'planting_amount' => null,
            'remark' => null,
        ], $attributes);

        return (new ReflectionMethod(Pages::class, 'receiptDifferenceRemark'))->invoke(null, $row);
    }

    public function test_pinduoduo_full_refund_wins_before_other_difference_rules(): void
    {
        $this->assertSame('订单实付含已退款部分', $this->remark([
            'income_amount' => 7.00,
            'discount_amount' => 17.00,
            'refund_amount' => -7.00,
            'product_amount' => 42.00,
            'paid_amount' => 6.99,
            'difference' => 17.01,
        ]));
    }

    public function test_pinduoduo_partial_refund_marks_platform_payment_discount(): void
    {
        $this->assertSame('差额=平台支付立减', $this->remark([
            'income_amount' => 896.00,
            'refund_amount' => -552.36,
            'product_amount' => 936.00,
            'paid_amount' => 894.21,
            'difference' => 1.79,
        ]));

        $this->assertSame('差额=平台支付立减', $this->remark([
            'income_amount' => 16.43,
            'refund_amount' => -12.00,
            'product_amount' => 21.90,
            'paid_amount' => 16.42,
            'difference' => 0.01,
        ]));
    }

    public function test_large_unexplained_pinduoduo_difference_stays_pending(): void
    {
        $this->assertSame('差额待核实', $this->remark([
            'income_amount' => 130.00,
            'refund_amount' => -50.00,
            'product_amount' => 150.00,
            'paid_amount' => 100.00,
            'difference' => 30.00,
        ]));
    }
}