<?php

namespace Tests\Unit\EcommerceFinance;

use Illuminate\Support\Carbon;
use Modules\EcommerceFinance\Repositories\ProductPurchasePriceMirrorRepository;
use Modules\EcommerceFinance\Repositories\ProductPurchasePriceRepository;
use Modules\EcommerceFinance\Services\ProductPurchasePriceMirrorSynchronizer;
use Tests\TestCase;

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

    public function test_incremental_sync_waits_for_supervised_initial_full_sync(): void
    {
        $upstream = $this->createMock(ProductPurchasePriceRepository::class);
        $upstream->expects($this->never())->method('mirrorBatch');
        $mirror = $this->createMock(ProductPurchasePriceMirrorRepository::class);
        $mirror->method('available')->willReturn(true);
        $mirror->method('state')->willReturn(null);

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

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

    public function test_incremental_sync_requires_a_fresh_full_pass_for_the_online_daifa_projection(): void
    {
        $upstream = $this->createMock(ProductPurchasePriceRepository::class);
        $upstream->expects($this->never())->method('mirrorBatch');
        $mirror = $this->createMock(ProductPurchasePriceMirrorRepository::class);
        $mirror->method('available')->willReturn(true);
        $mirror->method('state')->willReturn([
            'initial_completed_at' => '2026-09-20 04:10:03',
            'projection_version' => 1,
        ]);

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

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

    public function test_full_sync_uses_stable_update_time_and_item_id_cursor(): void
    {
        Carbon::setTestNow('2026-08-21 12:00:00');
        $rows = [[
            'item_id' => 100,
            'purchase_order_id' => 827380,
            'sku_id' => 'DF-A1DNZ001203',
            'purchase_updated_at' => '2026-08-20T11:03:32.000',
        ], [
            'item_id' => 101,
            'purchase_order_id' => 827381,
            'sku_id' => 'DF-G1DNZ002401',
            'purchase_updated_at' => '2026-08-20T11:03:32.000',
        ]];
        $upstream = $this->createMock(ProductPurchasePriceRepository::class);
        $upstream->expects($this->exactly(2))->method('mirrorBatch')
            ->willReturnOnConsecutiveCalls($rows, []);
        $mirror = $this->createMock(ProductPurchasePriceMirrorRepository::class);
        $mirror->method('available')->willReturn(true);
        $mirror->method('state')->willReturn(null);
        $mirror->expects($this->once())->method('startRun')
            ->with(
                'full',
                $this->isType('string'),
                $this->isInstanceOf(Carbon::class),
                $this->isInstanceOf(Carbon::class),
                false,
            )
            ->willReturn(['last_upserted_rows' => 0]);
        $mirror->expects($this->once())->method('storeBatch')
            ->with(
                $rows,
                ['updated_at' => '2026-08-20T11:03:32.000', 'item_id' => 101],
                $this->isType('string'),
                2,
            );
        $mirror->expects($this->once())->method('complete')
            ->with('full', $this->isType('string'), $this->isInstanceOf(Carbon::class), 2);

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

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