<?php

namespace Tests\Unit\EcommerceFinance;

use Illuminate\Database\Schema\Blueprint;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Schema;
use Modules\EcommerceFinance\Services\PinduoduoPlatformBalanceImporter;
use Tests\TestCase;

class PinduoduoPlatformBalanceImporterTest extends TestCase
{
    private ?string $file = null;

    protected function setUp(): void
    {
        parent::setUp();

        config([
            'database.connections.business_mirror' => [
                'driver' => 'sqlite',
                'database' => ':memory:',
                'prefix' => '',
            ],
            'upstream_mirrors.connection' => 'business_mirror',
        ]);
        DB::purge('business_mirror');
        Schema::connection('business_mirror')->create(PinduoduoPlatformBalanceImporter::TABLE, function (Blueprint $table): void {
            $table->bigIncrements('id');
            $table->date('period_end');
            $table->string('store_name');
            $table->string('normalized_store_name');
            $table->string('account_name')->nullable();
            $table->decimal('balance', 20, 6);
            $table->string('source_filename');
            $table->char('source_sha256', 64);
            $table->dateTime('imported_at');
            $table->timestamps();
            $table->unique(['period_end', 'normalized_store_name']);
        });
    }

    protected function tearDown(): void
    {
        if ($this->file !== null && is_file($this->file)) {
            unlink($this->file);
        }

        parent::tearDown();
    }

    public function test_it_imports_platform_actual_balances_as_the_month_end_anchor(): void
    {
        $this->file = sys_get_temp_dir() . DIRECTORY_SEPARATOR . 'pdd-balance-' . bin2hex(random_bytes(6)) . '.csv';
        $handle = fopen($this->file, 'wb');
        fputcsv($handle, ['平台', '来源', '店铺', '平台实际期末余额']);
        fputcsv($handle, ['拼多多', '拼多多货款账户', '拼多多-测试一店', '100.25']);
        fputcsv($handle, ['拼多多', '拼多多货款账户', '拼多多-测试二店', '23.20']);
        fputcsv($handle, ['京东', '京东钱包', '京东-不导入', '999.00']);
        fclose($handle);

        $result = app(PinduoduoPlatformBalanceImporter::class)->import($this->file, '2026-06-30');

        $this->assertSame('2026-06-30', $result['period_end']);
        $this->assertSame(2, $result['total']);
        $this->assertSame('123.45', $result['balance_total']);
        $this->assertSame(2, DB::connection('business_mirror')->table(PinduoduoPlatformBalanceImporter::TABLE)->count());
        $this->assertEquals(
            '100.25',
            DB::connection('business_mirror')->table(PinduoduoPlatformBalanceImporter::TABLE)
                ->where('store_name', '拼多多-测试一店')->value('balance'),
        );
    }

    public function test_period_end_must_be_the_last_day_of_the_month(): void
    {
        $this->expectException(\InvalidArgumentException::class);
        $this->expectExceptionMessage('有效月末');

        app(PinduoduoPlatformBalanceImporter::class)->periodEnd('2026-06-29');
    }
}