<?php

namespace Tests\Unit\EcommerceFinance;

use Illuminate\Support\Facades\DB;
use Modules\EcommerceFinance\AccountBillColumns;
use Modules\EcommerceFinance\JdBillPlatform;
use Modules\EcommerceFinance\Repositories\JdDailyBillRepository;
use Modules\EcommerceFinance\Services\JdDailyBillImporter;
use PHPUnit\Framework\TestCase;

/**
 * 京东账单 › 京喜账单的剪切口径：
 * 拆分后两个页签的笔数与金额之和恒等于拆分前，且不修改底层数据。
 */
class JdJingxiBillSplitTest extends TestCase
{
    private array $files = [];

    protected function setUp(): void
    {
        parent::setUp();
        $app = require dirname(__DIR__, 3) . '/bootstrap/app.php';
        $app->make(\Illuminate\Contracts\Console\Kernel::class)->bootstrap();
        config(['database.connections.business_mirror' => ['driver' => 'sqlite', 'database' => ':memory:', 'prefix' => '']]);
        DB::purge('business_mirror');
        (require database_path('migrations/2026_09_18_140000_create_jd_daily_bill_mirror_tables.php'))->up();
    }

    protected function tearDown(): void
    {
        foreach ($this->files as $file) unlink($file);
        parent::tearDown();
    }

    public function test_split_keeps_京东_and_京喜_totals_equal_to_the_unsplit_bill(): void
    {
        $this->importFixture();

        $all = $this->repository(null)->paginate([], 'occurred_at', 'desc', 1, 10);
        $jd = $this->repository(JdBillPlatform::BILL_TYPE_JD)->paginate([], 'occurred_at', 'desc', 1, 10);
        $jingxi = $this->repository(JdBillPlatform::BILL_TYPE_JINGXI)->paginate([], 'occurred_at', 'desc', 1, 10);

        // 全量共 6 笔；京喜 4 笔（含京喜小店），京东账单 2 笔。
        $this->assertSame(6, $all['total']);
        $this->assertSame(4, $jingxi['total']);
        $this->assertSame(2, $jd['total']);

        foreach (['count', 'income', 'expense', 'balance'] as $field) {
            $this->assertSame(
                round($all['summary'][$field], 2),
                round($jd['summary'][$field] + $jingxi['summary'][$field], 2),
                "拆分后 {$field} 不守恒",
            );
        }
    }

    public function test_same_day_rows_are_only_visible_in_the_jingxi_tab(): void
    {
        $this->importFixture();

        $filters = ['start' => '2026-09-23', 'end' => '2026-09-23', 'store_name' => '京喜-安隅京喜自营工厂店'];
        $jingxi = $this->repository(JdBillPlatform::BILL_TYPE_JINGXI)->paginate($filters, 'occurred_at', 'desc', 1, 10);
        $jd = $this->repository(JdBillPlatform::BILL_TYPE_JD)->paginate($filters, 'occurred_at', 'desc', 1, 10);

        $this->assertSame(2, $jingxi['total']);
        $this->assertSame(['京喜-安隅京喜自营工厂店'], array_unique(array_column($jingxi['data'], 'store_name')));
        $this->assertSame(0, $jd['total']);
        $this->assertSame([], $jd['data']);
    }

    public function test_cutoff_date_keeps_earlier_jingxi_rows_in_the_jd_bill(): void
    {
        $this->importFixture();
        config(['jd_bill_platform.scope_start_date' => '2026-09-23']);

        $all = $this->repository(null)->paginate([], 'occurred_at', 'desc', 1, 10);
        $jd = $this->repository(JdBillPlatform::BILL_TYPE_JD)->paginate([], 'occurred_at', 'desc', 1, 10);
        $jingxi = $this->repository(JdBillPlatform::BILL_TYPE_JINGXI)->paginate([], 'occurred_at', 'desc', 1, 10);

        // 只有 09-23 起的京喜行被切走，09-10 的京喜行仍留在京东账单，总数守恒。
        $this->assertSame(3, $jingxi['total']);
        $this->assertSame(3, $jd['total']);
        $this->assertSame($all['total'], $jd['total'] + $jingxi['total']);
        $this->assertSame(
            round($all['summary']['income'], 2),
            round($jd['summary']['income'] + $jingxi['summary']['income'], 2),
        );
    }

    public function test_filter_options_follow_the_tab_scope(): void
    {
        $this->importFixture();

        $jingxi = $this->repository(JdBillPlatform::BILL_TYPE_JINGXI)->filterOptions();
        $jd = $this->repository(JdBillPlatform::BILL_TYPE_JD)->filterOptions();

        $this->assertSame(['京喜-安隅京喜自营工厂店', '京喜小店-简尚家居家具制造店'], $jingxi['shops']);
        $this->assertSame(['京东-慕加旗舰店'], $jd['shops']);
    }

    public function test_export_follows_the_tab_scope(): void
    {
        $this->importFixture();

        $jingxi = array_column(iterator_to_array($this->repository(JdBillPlatform::BILL_TYPE_JINGXI)->exportRows([], 'occurred_at', 'asc')), 'store_name');
        $jd = array_column(iterator_to_array($this->repository(JdBillPlatform::BILL_TYPE_JD)->exportRows([], 'occurred_at', 'asc')), 'store_name');

        $this->assertCount(4, $jingxi);
        $this->assertCount(2, $jd);
        $this->assertSame([], array_intersect($jingxi, $jd));
    }

    public function test_jingxi_tab_reuses_the_jd_bill_columns_and_sits_next_to_it(): void
    {
        $jd = AccountBillColumns::for(JdBillPlatform::BILL_TYPE_JD);
        $jingxi = AccountBillColumns::for(JdBillPlatform::BILL_TYPE_JINGXI);

        $this->assertSame('京喜账单', $jingxi['title']);
        $this->assertSame($jd['columns'], $jingxi['columns']);
        $this->assertSame([], $jingxi['groups']);

        $tabs = collect(collect(config('business_navigation'))->firstWhere('slug', 'billing-transactions')['pages'])
            ->firstWhere('slug', 'store-receiving-bills')['tabs'];
        $slugs = array_column($tabs, 'slug');
        $this->assertSame('jingxi', $slugs[array_search('jd-transactions', $slugs, true) + 1]);
    }

    private function repository(?string $platform): JdDailyBillRepository
    {
        return app(JdDailyBillRepository::class)->forPlatform(
            $platform === null ? null : JdBillPlatform::platformForBillType($platform),
        );
    }

    /** 6 笔：京喜 4 笔（含「京喜小店」店铺）、京东 2 笔，横跨 2026-09-10 与 2026-09-23 两个记账日期。 */
    private function importFixture(): void
    {
        $rows = [
            $this->row('1', '京喜-安隅京喜自营工厂店', '2026-09-10 09:00:00', '10.00', '0.00'),
            $this->row('2', '京喜-安隅京喜自营工厂店', '2026-09-23 09:00:00', '20.00', '0.00'),
            $this->row('3', '京喜-安隅京喜自营工厂店', '2026-09-23 10:00:00', '0.00', '5.00'),
            $this->row('4', '京喜小店-简尚家居家具制造店', '2026-09-23 11:00:00', '7.00', '0.00'),
            $this->row('5', '京东-慕加旗舰店', '2026-09-23 12:00:00', '3.00', '0.00'),
            $this->row('6', '京东-慕加旗舰店', '2026-09-10 12:00:00', '0.00', '2.00'),
        ];
        $this->import($rows, 6, '40.00', '7.00');
    }

    private function import(array $rows, int $count, string $income, string $expense): array
    {
        $path = tempnam(sys_get_temp_dir(), 'jd-jingxi-');
        $this->files[] = $path;
        $file = fopen($path, 'wb');
        fputcsv($file, array_keys($rows[0]));
        foreach ($rows as $row) fputcsv($file, array_values($row));
        fclose($file);

        return app(JdDailyBillImporter::class)->import($path, '2026-09', $count, $income, $expense);
    }

    private function row(string $code, string $store, string $occurredAt, string $income, string $expense): array
    {
        return array_replace(array_fill_keys(array_values(JdDailyBillImporter::PAYLOAD_FIELDS), ''), [
            '记录编码' => $code, '店铺' => $store, '账单项目' => '交易服务费', '订单编号' => '360640400000000' . $code,
            '单据编号' => '1010012608312386678178000' . $code, '费用结算时间' => $occurredAt,
            '费用发生时间' => $occurredAt, '收入金额' => $income, '支出金额' => $expense, '币种' => 'CNY',
        ]);
    }
}