<?php

namespace Modules\EcommerceFinance\Repositories;

use Illuminate\Database\ConnectionInterface;
use InvalidArgumentException;
use Modules\EcommerceFinance\Contracts\BusinessMirrorDataset;
use Modules\EcommerceFinance\Services\BusinessMirrorDatasetRegistry;
use RuntimeException;

class BusinessInformationMirrorRepository
{
    private const DATASETS = [
        'company-information.read' => 'operations_replica.rpt.fys_companyInfo',
        'store-information.read' => 'operations_replica.rpt.fys_shopInfo',
        'trademark-information.read' => 'operations_replica.rpt.fys_TrademarkInfo',
    ];

    private readonly ConnectionInterface $connection;

    public function __construct(
        private readonly BusinessMirrorDatasetRegistry $datasets,
        private readonly GenericBusinessMirrorRepository $mirror,
    ) {
        $this->connection = $mirror->connection();
    }

    public function ready(string $scope): bool
    {
        return $this->mirror->ready($this->dataset($scope));
    }

    /** @return array{data: array<int,array<string,mixed>>, total: int} */
    public function paginate(string $scope, int $page, int $perPage): array
    {
        if (! $this->ready($scope)) {
            throw new RuntimeException('business_mirror_dataset_not_ready');
        }

        $page = max($page, 1);
        $perPage = min(max($perPage, 1), 100);

        return match ($scope) {
            'company-information.read' => $this->companies($page, $perPage),
            'store-information.read' => $this->stores($page, $perPage),
            'trademark-information.read' => $this->trademarks($page, $perPage),
            default => throw new InvalidArgumentException('未知的业务资料镜像范围：' . $scope),
        };
    }

    /** @return array{data: array<int,array<string,mixed>>, total: int} */
    private function companies(int $page, int $perPage): array
    {
        $query = $this->connection->table('ops_fys_company_info')
            ->selectRaw(<<<'SQL'
Id AS id,
unifiedSocialCreditCode AS unified_social_credit_code,
businessLicenseName AS company_name,
registeredCapital AS subscribed_capital,
businessLicenseType AS company_type,
IncorporationDate AS establishment_date,
legalRepresentative AS legal_representative,
registeredAddress AS registered_address,
businessScope AS business_scope,
accountSerialNumber AS basic_deposit_account_number,
companyStatus AS company_status,
financialManager AS financial_officer,
supervisor AS supervisor,
taxCategoryAndType AS taxpayer_category,
NULL AS shareholders
SQL);

        return $this->page($query, $page, $perPage, 'Id');
    }

    /** @return array{data: array<int,array<string,mixed>>, total: int} */
    private function stores(int $page, int $perPage): array
    {
        $latestCompanies = $this->connection->table('ops_fys_company_info')
            ->selectRaw('unifiedSocialCreditCode, MAX(Id) AS latest_id')
            ->whereNotNull('unifiedSocialCreditCode')
            ->where('unifiedSocialCreditCode', '<>', '')
            ->groupBy('unifiedSocialCreditCode');

        $query = $this->connection->table('ops_fys_shop_info AS s')
            ->leftJoinSub($latestCompanies, 'company_keys', function ($join): void {
                $join->on('company_keys.unifiedSocialCreditCode', '=', 's.unifiedSocialCreditCode');
            })
            ->leftJoin('ops_fys_company_info AS c', 'c.Id', '=', 'company_keys.latest_id')
            ->selectRaw(<<<'SQL'
s.Id AS id,
s.openTime AS opened_at,
s.erpShopName AS erp_store_name,
s.unifiedSocialCreditCode AS unified_social_credit_code,
c.businessLicenseName AS company_name,
s.trademarkNumber AS trademark_number,
NULL AS trademark_name,
s.platform AS platform,
s.responsibleDepartment AS profit_center,
s.shopHead AS store_manager,
s.shopState AS store_status,
s.shopType AS store_type,
s.channelType AS channel_mode
SQL);

        return $this->page($query, $page, $perPage, 's.Id');
    }

    /** @return array{data: array<int,array<string,mixed>>, total: int} */
    private function trademarks(int $page, int $perPage): array
    {
        $query = $this->connection->table('ops_fys_trademark_info')
            ->where('isDelete', 0)
            ->selectRaw(<<<'SQL'
Id AS id,
trademarkName AS trademark_name,
internationalClassification AS trademark_type,
trademarkStatus AS trademark_status,
registrationDate AS registration_date,
termOfValidity AS expiry_date,
remark AS notes
SQL);

        return $this->page($query, $page, $perPage, 'Id');
    }

    /** @return array{data: array<int,array<string,mixed>>, total: int} */
    private function page($query, int $page, int $perPage, string $orderColumn): array
    {
        $total = (clone $query)->count();
        $rows = $query->orderByDesc($orderColumn)
            ->forPage($page, $perPage)
            ->get()
            ->map(static fn (object $row): array => (array) $row)
            ->all();

        return ['data' => $rows, 'total' => $total];
    }

    private function dataset(string $scope): BusinessMirrorDataset
    {
        $key = self::DATASETS[$scope] ?? null;

        if ($key === null) {
            throw new InvalidArgumentException('未知的业务资料镜像范围：' . $scope);
        }

        return $this->datasets->get($key);
    }
}