<?php

namespace Tests\Unit\EcommerceFinance;

use Illuminate\Support\Carbon;
use Modules\EcommerceFinance\Repositories\ProductPriceMirrorRepository;
use Modules\EcommerceFinance\Repositories\ProductPriceRepository;
use Modules\EcommerceFinance\Services\ProductPriceMirrorSynchronizer;
use Tests\TestCase;

class ProductPriceMirrorSynchronizerTest extends TestCase
{
    protected function tearDown(): void
    {
        Carbon::setTestNow();
        parent::tearDown();
    }

    public function test_incremental_sync_waits_for_completed_initial_sync(): void
    {
        $upstream = $this->createMock(ProductPriceRepository::class);
        $upstream->expects($this->never())->method('mirrorBatch');
        $mirror = $this->createMock(ProductPriceMirrorRepository::class);
        $mirror->method('ready')->willReturn(true);
        $mirror->method('state')->willReturn(null);

        $result = (new ProductPriceMirrorSynchronizer($upstream, $mirror))->sync();

        $this->assertSame('requires_full_sync', $result['status']);
    }

    public function test_full_sync_upserts_batches_and_marks_initial_sync_complete(): void
    {
        Carbon::setTestNow('2026-08-14 15:00:00');
        $rows = [[
            'business_id' => 'B1',
            'barcode' => 'SKU1',
            'cursor_completed_at' => '2026-08-01T10:00:00.1234567',
            'completed_at' => '2026-08-01 10:00:00',
        ], [
            'business_id' => 'B2',
            'barcode' => 'SKU2',
            'cursor_completed_at' => '2026-08-01T11:00:00.7654321',
            'completed_at' => '2026-08-01 11:00:00',
        ]];

        $upstream = $this->createMock(ProductPriceRepository::class);
        $upstream->expects($this->exactly(2))->method('mirrorBatch')
            ->willReturnOnConsecutiveCalls($rows, []);

        $mirror = $this->createMock(ProductPriceMirrorRepository::class);
        $mirror->method('ready')->willReturn(true);
        $mirror->method('state')->willReturn(null);
        $mirror->expects($this->once())->method('startRun')
            ->with('full', $this->isInstanceOf(Carbon::class), $this->isInstanceOf(Carbon::class), false)
            ->willReturn(['last_upserted_rows' => 0]);
        $mirror->expects($this->once())->method('storeBatch')
            ->with($rows, [
                'completed_at' => '2026-08-01T11:00:00.7654321',
                'business_id' => 'B2',
                'barcode' => 'SKU2',
            ], 2);
        $mirror->expects($this->once())->method('complete')
            ->with('full', $this->isInstanceOf(Carbon::class), 2);

        $result = (new ProductPriceMirrorSynchronizer($upstream, $mirror))->sync(true, 2, 0);

        $this->assertSame([
            'status' => 'succeeded',
            'mode' => 'full',
            'batches' => 1,
            'rows' => 2,
        ], $result);
    }
}