<?php

namespace Tests\Unit\EcommerceFinance;

use Carbon\CarbonImmutable;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Schema;
use Modules\EcommerceFinance\Repositories\JdPromotionAccountBalanceRepository;
use RuntimeException;
use Tests\TestCase;

class JdPromotionAccountBalanceRepositoryTest extends TestCase
{
    protected function setUp(): void
    {
        parent::setUp();

        CarbonImmutable::setTestNow('2026-09-12 12:00:00');
        config([
            'database.connections.business_mirror' => [
                'driver' => 'sqlite',
                'database' => ':memory:',
                'prefix' => '',
            ],
            'upstream_mirrors.connection' => 'business_mirror',
            'upstream_mirrors.datasets' => [
                JdPromotionAccountBalanceRepository::DATASET_KEY => [
                    'source_key' => 'js_data_middle_platform',
                    'schema' => 'dbo',
                    'object' => 'jd_jzt_finance_records',
                    'target' => 'fixture_jd_jzt_finance_records',
                    'keys' => ['id'],
                    'watermark' => 'updated_at',
                ],
            ],
        ]);
        DB::purge('business_mirror');

        Schema::connection('business_mirror')->create('business_mirror_table_states', function (Blueprint $table): void {
            $table->string('dataset_key')->primary();
            $table->dateTime('initial_completed_at')->nullable();
        });
        Schema::connection('business_mirror')->create('fixture_jd_jzt_finance_records', function (Blueprint $table): void {
            $table->integer('id');
            $table->string('data_month')->nullable();
            $table->string('shop_name')->nullable();
            $table->string('in_out_type')->nullable();
            $table->string('in_out_type_name')->nullable();
            $table->decimal('amount', 18, 2)->nullable();
            $table->decimal('balance_amount', 18, 2)->nullable();
            $table->dateTime('settle_datetime')->nullable();
            $table->date('show_date')->nullable();
            $table->dateTime('updated_at')->nullable();
        });
    }

    protected function tearDown(): void
    {
        CarbonImmutable::setTestNow();
        DB::purge('business_mirror');

        parent::tearDown();
    }

    public function test_it_calculates_completed_month_balances_from_jd_jzt_rows(): void
    {
        $this->markReady();
        DB::connection('business_mirror')->table('fixture_jd_jzt_finance_records')->insert([
            $this->row(1, '京东A店', '2026-05-31', '2026-05-31 23:59:00', 'IN', '入账', 1000, 1000),
            $this->row(2, '京东A店', '2026-06-01', '2026-06-01 09:00:00', 'IN', '入账', 500, 1500),
            $this->row(3, '京东A店', '2026-06-30', '2026-06-30 10:00:00', 'OUT', '出账', 100, 1400),
            $this->row(4, '京东A店', '2026-06-30', '2026-06-30 20:00:00', 'OUT', '出账', 100, 1300),
            $this->row(5, '京东B店', '2026-06-30', '2026-06-30 18:00:00', 'OUT', '出账', 25, 75),
            $this->row(6, '京东A店', '2026-09-01', '2026-09-01 09:00:00', 'IN', '入账', 10, 1310),
        ]);

        $repository = app(JdPromotionAccountBalanceRepository::class);
        $result = $repository->paginateMonthlyBalances(null, '2026-06', 1, 25);

        $this->assertTrue($repository->usesBusinessMirror());
        $this->assertSame(['京东A店', '京东B店'], $repository->storeOptions());
        $this->assertSame(2, $result['total']);
        $this->assertSame([
            'date' => '2026-06-30',
            'store_name' => '京东A店',
            'opening_balance' => 1000.0,
            'income_total' => 500.0,
            'expense_total' => 200.0,
            'closing_balance' => 1300.0,
            'system_closing_balance' => 1300.0,
            'balance_difference' => 0.0,
            'difference_reason' => '',
            'verification_status' => '已核对',
            'notes' => '',
        ], $result['rows'][0]);
        $this->assertNull($result['rows'][1]['opening_balance']);
        $this->assertNull($result['rows'][1]['closing_balance']);
        $this->assertSame('缺少上月期末余额', $result['rows'][1]['difference_reason']);
        $this->assertSame('待核对', $result['rows'][1]['verification_status']);
    }

    public function test_store_and_month_filters_share_the_same_monthly_result(): void
    {
        $this->markReady();
        DB::connection('business_mirror')->table('fixture_jd_jzt_finance_records')->insert([
            $this->row(1, '京东A店', '2026-05-31', '2026-05-31 23:59:00', 'IN', '入账', 100, 100),
            $this->row(2, '京东A店', '2026-06-30', '2026-06-30 23:59:00', 'IN', '入账', 20, 120),
            $this->row(3, '京东B店', '2026-06-30', '2026-06-30 23:59:00', 'IN', '入账', 30, 30),
        ]);

        $result = app(JdPromotionAccountBalanceRepository::class)
            ->paginateMonthlyBalances('京东A店', '2026-06', 1, 25);

        $this->assertSame(1, $result['total']);
        $this->assertSame('京东A店', $result['rows'][0]['store_name']);
        $this->assertSame(100.0, $result['rows'][0]['opening_balance']);
        $this->assertSame(20.0, $result['rows'][0]['income_total']);
    }

    public function test_it_does_not_treat_non_month_end_balances_as_month_end_balances(): void
    {
        $this->markReady();
        DB::connection('business_mirror')->table('fixture_jd_jzt_finance_records')->insert([
            $this->row(1, '京东A店', '2026-05-30', '2026-05-30 23:59:00', 'IN', '入账', 100, 100),
            $this->row(2, '京东A店', '2026-06-01', '2026-06-01 09:00:00', 'IN', '入账', 20, 120),
            $this->row(3, '京东A店', '2026-06-29', '2026-06-29 23:59:00', 'OUT', '出账', 5, 115),
        ]);

        $row = app(JdPromotionAccountBalanceRepository::class)
            ->paginateMonthlyBalances('京东A店', '2026-06', 1, 25)['rows'][0];

        $this->assertNull($row['opening_balance']);
        $this->assertNull($row['system_closing_balance']);
        $this->assertNull($row['closing_balance']);
        $this->assertNull($row['balance_difference']);
        $this->assertSame('缺少期初余额和系统期末余额', $row['difference_reason']);
        $this->assertSame('待核对', $row['verification_status']);
    }

    public function test_it_identifies_a_missing_current_month_end_balance(): void
    {
        $this->markReady();
        DB::connection('business_mirror')->table('fixture_jd_jzt_finance_records')->insert([
            $this->row(1, '京东A店', '2026-05-31', '2026-05-31 23:59:00', 'IN', '入账', 100, 100),
            $this->row(2, '京东A店', '2026-06-01', '2026-06-01 09:00:00', 'IN', '入账', 20, 120),
            $this->row(3, '京东A店', '2026-06-29', '2026-06-29 23:59:00', 'OUT', '出账', 5, 115),
        ]);

        $row = app(JdPromotionAccountBalanceRepository::class)
            ->paginateMonthlyBalances('京东A店', '2026-06', 1, 25)['rows'][0];

        $this->assertSame(100.0, $row['opening_balance']);
        $this->assertSame(115.0, $row['closing_balance']);
        $this->assertNull($row['system_closing_balance']);
        $this->assertNull($row['balance_difference']);
        $this->assertSame('缺少本月系统期末余额', $row['difference_reason']);
        $this->assertSame('待核对', $row['verification_status']);
    }

    public function test_it_explains_a_non_zero_balance_difference(): void
    {
        $this->markReady();
        DB::connection('business_mirror')->table('fixture_jd_jzt_finance_records')->insert([
            $this->row(1, '京东A店', '2026-05-31', '2026-05-31 23:59:00', 'IN', '入账', 100, 100),
            $this->row(2, '京东A店', '2026-06-30', '2026-06-30 23:59:00', 'IN', '入账', 20, 125),
        ]);

        $row = app(JdPromotionAccountBalanceRepository::class)
            ->paginateMonthlyBalances('京东A店', '2026-06', 1, 25)['rows'][0];

        $this->assertSame(120.0, $row['closing_balance']);
        $this->assertSame(125.0, $row['system_closing_balance']);
        $this->assertSame(5.0, $row['balance_difference']);
        $this->assertSame('系统期末余额与计算期末余额相差 5.00 元', $row['difference_reason']);
        $this->assertSame('待核对', $row['verification_status']);
    }

    public function test_it_rejects_an_incomplete_shared_mirror(): void
    {
        $repository = app(JdPromotionAccountBalanceRepository::class);

        $this->assertFalse($repository->usesBusinessMirror());
        $this->expectException(RuntimeException::class);
        $this->expectExceptionMessage('京东账户余额共享业务镜像尚未完成同步。');

        $repository->paginateMonthlyBalances(null, '2026-06', 1, 25);
    }

    private function markReady(): void
    {
        DB::connection('business_mirror')->table('business_mirror_table_states')->insert([
            'dataset_key' => JdPromotionAccountBalanceRepository::DATASET_KEY,
            'initial_completed_at' => '2026-09-12 10:00:00',
        ]);
    }

    /** @return array<string,mixed> */
    private function row(
        int $id,
        string $shop,
        string $date,
        string $settledAt,
        string $type,
        string $typeName,
        float $amount,
        float $balance,
    ): array {
        return [
            'id' => $id,
            'data_month' => substr($date, 0, 7),
            'shop_name' => $shop,
            'in_out_type' => $type,
            'in_out_type_name' => $typeName,
            'amount' => $amount,
            'balance_amount' => $balance,
            'settle_datetime' => $settledAt,
            'show_date' => $date,
            'updated_at' => $settledAt,
        ];
    }
}