<?php

namespace Modules\EcommerceFinance\Repositories;

use Modules\EcommerceFinance\Services\UpstreamReadOnlyQueryFactory;

class ProductPurchasePriceRepository
{
    private const SOURCE = 'jiansun';

    public function __construct(private readonly UpstreamReadOnlyQueryFactory $queries)
    {
    }

    /**
     * @param array{updated_at:string,item_id:int}|null $cursor
     * @return list<array<string,mixed>>
     */
    public function mirrorBatch(?array $cursor, string $since, string $until, int $limit): array
    {
        $limit = min(max($limit, 1), 5000);
        $where = [
            'p.[updateTime] >= ?',
            'p.[updateTime] < ?',
        ];
        $bindings = [$since, $until];

        if ($cursor !== null) {
            $where[] = '(p.[updateTime] > ? OR (p.[updateTime] = ? AND i.[Id] > ?))';
            $bindings[] = $cursor['updated_at'];
            $bindings[] = $cursor['updated_at'];
            $bindings[] = $cursor['item_id'];
        }

        $sql = 'SELECT TOP (' . $limit . ') '
            . 'i.[Id] AS item_id, p.[po_id] AS purchase_order_id, '
            . 'CONVERT(varchar(64), CONVERT(decimal(38, 0), p.[source_o_id])) AS source_order_no, '
            . 'p.[seller] AS supplier_name, '
            . 'i.[sku_id] AS sku_id, i.[i_id] AS style_id, i.[qty] AS quantity, i.[price] AS unit_price, '
            . 'p.[status] AS document_status, p.[labels] AS labels, '
            . 'CONVERT(varchar(27), p.[createTime], 126) AS document_created_at, '
            . 'CONVERT(varchar(27), p.[finish_time], 126) AS finished_at, '
            . 'CONVERT(varchar(27), p.[updateTime], 126) AS purchase_updated_at '
            . 'FROM [dbo].[jst_purchase] p '
            . 'INNER JOIN [dbo].[jst_purchaseItem] i ON i.[po_id] = p.[po_id] '
            . 'WHERE (' . implode(') AND (', $where) . ') '
            . 'ORDER BY p.[updateTime], i.[Id]';

        return $this->queries->forSource(self::SOURCE)->select($sql, $bindings);
    }
}