<?php

namespace Modules\EcommerceFinance\View;

use Illuminate\Http\Request;
use Illuminate\Pagination\LengthAwarePaginator;
use Modules\EcommerceFinance\Repositories\DingProcessDetailMirrorRepository;
use Throwable;

class ProcessDetailsPageData
{
    public function __construct(
        private readonly DingProcessDetailMirrorRepository $repository,
    ) {}

    /** @return array<string,mixed> */
    public function page(Request $request): array
    {
        $filters = $this->filters($request);
        $page = max((int) $request->query('page', 1), 1);
        $perPage = 50;

        try {
            $result = $this->repository->paginate($filters, $page, $perPage);
            $options = $this->repository->filterOptions();

            return [
                'processRows' => new LengthAwarePaginator(
                    $result['data'],
                    $result['total'],
                    $perPage,
                    $page,
                    ['path' => $request->url(), 'query' => $request->except('page')],
                ),
                'filters' => $filters,
                'summary' => $result['summary'],
                'months' => $options['months'],
                'documentTypes' => $options['document_types'],
                'statuses' => $options['statuses'],
                'mirrorStatus' => $result['status'],
                'mirrorSyncedAt' => $result['last_synced_at'],
                'scope' => $result['scope'],
                'error' => null,
            ];
        } catch (Throwable $exception) {
            report($exception);

            return [
                'processRows' => new LengthAwarePaginator([], 0, $perPage, $page, [
                    'path' => $request->url(),
                    'query' => $request->except('page'),
                ]),
                'filters' => $filters,
                'summary' => [
                    'rows' => 0,
                    'approvals' => 0,
                    'amount_total' => 0.0,
                    'bank_amount_total' => 0.0,
                ],
                'months' => [],
                'documentTypes' => [],
                'statuses' => [],
                'mirrorStatus' => 'unavailable',
                'mirrorSyncedAt' => null,
                'scope' => $this->repository->scope(),
                'error' => '流程明细镜像尚未完成导入，请稍后重试。',
            ];
        }
    }

    /** @return array<string,string> */
    private function filters(Request $request): array
    {
        $month = trim((string) $request->query('month', ''));
        $status = trim((string) $request->query('status', ''));

        return [
            'month' => preg_match('/^\d{4}-\d{2}$/', $month) === 1 ? $month : '',
            'document_type' => mb_substr(trim((string) $request->query('document_type', '')), 0, 100),
            'status' => mb_substr($status, 0, 20),
            'business_id' => mb_substr(trim((string) $request->query('business_id', '')), 0, 32),
            'originator_name' => mb_substr(trim((string) $request->query('originator_name', '')), 0, 100),
            'keyword' => mb_substr(trim((string) $request->query('keyword', '')), 0, 100),
        ];
    }
}