<?php

namespace Tests\Unit\EcommerceFinance;

use Illuminate\Support\Facades\DB;
use Modules\EcommerceFinance\Repositories\VipshopJxOpeningBalanceRepository;
use Tests\TestCase;

class VipshopJxOpeningBalanceRepositoryTest extends TestCase
{
    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');
        (require database_path('migrations/2026_11_07_120000_create_vipshop_jx_opening_balance_snapshots.php'))->up();
    }

    public function test_opening_balance_rolls_from_june_ending_by_settlement_period(): void
    {
        $companyId = (int) DB::table('companies')->value('id');
        DB::connection('business_mirror')->table(VipshopJxOpeningBalanceRepository::TABLE)->insert([
            'period_end' => '2026-06-30',
            'balance' => '491948.53',
            'source' => '唯品会结算平台历史账单累计',
            'imported_at' => now(),
            'created_at' => now(),
            'updated_at' => now(),
        ]);
        $this->bill($companyId, 'JUL-A', '2026-07', '300', '50');
        $this->bill($companyId, 'AUG-A', '2026-08', '100', '20');

        $repository = app(VipshopJxOpeningBalanceRepository::class);
        $july = $repository->openingBalance('2026-07-01', '2026-07-31');
        $august = $repository->openingBalance('2026-08-01', '2026-08-31');
        $september = $repository->openingBalance('2026-09-01', '2026-09-30');

        $this->assertSame(491948.53, $july['balance']);
        $this->assertSame('2026-06-30', $july['date']);
        $this->assertSame('june_ending', $july['source']);
        $this->assertSame(492198.53, $august['balance']);
        $this->assertSame('2026-07-31', $august['date']);
        $this->assertSame('previous_period', $august['source']);
        $this->assertSame(492278.53, $september['balance']);
    }

    public function test_it_returns_no_opening_balance_before_the_june_baseline(): void
    {
        $result = app(VipshopJxOpeningBalanceRepository::class)
            ->openingBalance('2026-06-01', '2026-06-30');

        $this->assertSame(0.0, $result['balance']);
        $this->assertNull($result['date']);
        $this->assertSame('none', $result['source']);
    }

    private function bill(
        int $companyId,
        string $recordCode,
        string $period,
        string $income,
        string $expense,
    ): void {
        DB::table('ec_account_bills')->insert([
            'company_id' => $companyId,
            'bill_type' => 'vipshop-jx',
            'record_code' => $recordCode,
            'store_name' => '唯品会JITX_亿家达',
            'order_no' => 'ORDER-' . $recordCode,
            'bill_item' => '销售明细',
            'occurred_at' => $period . '-15 10:00:00',
            'income' => $income,
            'expense' => $expense,
            'amount' => bcsub($income, $expense, 2),
            'balance' => 0,
            'payload' => json_encode(['settle_period' => $period], JSON_THROW_ON_ERROR),
            'created_at' => now(),
            'updated_at' => now(),
        ]);
    }
}