<?php

namespace App\Business;

use App\Models\Business\CourierOnboarding;
use App\Support\CourierOnboardingService;
use Illuminate\Pagination\LengthAwarePaginator;

/**
 * 「快递入驻」列表页数据：状态统计、筛选和分页。
 */
class CourierOnboardingPageData
{
    /** 列表页状态分组，键为页面筛选值。 */
    public const STATUS_GROUPS = [
        'pending' => ['label' => '待处理', 'statuses' => [CourierOnboarding::STATUS_SUBMITTED, CourierOnboarding::STATUS_FIRST_APPROVED, CourierOnboarding::STATUS_APPROVED]],
        'filling' => ['label' => '待快递填写', 'statuses' => [CourierOnboarding::STATUS_INVITED, CourierOnboarding::STATUS_RETURNED]],
        'activated' => ['label' => '已开通', 'statuses' => [CourierOnboarding::STATUS_ACTIVATED]],
        'closed' => ['label' => '已关闭', 'statuses' => [CourierOnboarding::STATUS_REJECTED, CourierOnboarding::STATUS_CANCELLED]],
        'all' => ['label' => '全部', 'statuses' => []],
    ];

    public function __construct(private readonly CourierOnboardingService $service)
    {
    }

    public function page(): array
    {
        $group = (string) request()->query('group', 'pending');
        $group = array_key_exists($group, self::STATUS_GROUPS) ? $group : 'pending';
        $search = trim((string) request()->query('search', ''));
        $limit = min(max((int) setting('default.list_limit', 25), 1), 100);

        $data = [
            'view' => 'business.pages.courier-payables.courier-onboarding',
            'onboardingReady' => $this->service->ready(),
            'onboardingGroup' => $group,
            'onboardingSearch' => $search,
            'onboardingGroups' => self::STATUS_GROUPS,
            'onboardingCounts' => [],
            'onboardingRows' => new LengthAwarePaginator([], 0, $limit),
        ];

        if (! $data['onboardingReady']) {
            return $data;
        }

        $counts = $this->service->statusCounts();
        $data['onboardingCounts'] = collect(self::STATUS_GROUPS)
            ->map(static fn (array $config): int => $config['statuses'] === []
                ? array_sum($counts)
                : array_sum(array_intersect_key($counts, array_flip($config['statuses']))))
            ->all();

        $query = CourierOnboarding::query()->withCount('files');
        $statuses = self::STATUS_GROUPS[$group]['statuses'];
        if ($statuses !== []) {
            $query->whereIn('status', $statuses);
        }
        if ($search !== '') {
            $like = '%' . addcslashes($search, '%_\\') . '%';
            $query->where(static function ($builder) use ($like): void {
                foreach (['number', 'invite_label', 'company_full_name', 'network_name', 'courier_name', 'contact_name', 'contact_phone'] as $column) {
                    $builder->orWhere($column, 'like', $like);
                }
            });
        }

        $data['onboardingRows'] = $query->latest('updated_at')->latest('id')
            ->paginate($limit)
            ->withQueryString();

        return $data;
    }

    /**
     * 快递资料页「入驻快递」页签：已开通的入驻快递，作为新快递的主数据。
     */
    public function activated(int $page, int $limit): LengthAwarePaginator
    {
        if (! $this->service->ready()) {
            return new LengthAwarePaginator([], 0, $limit, $page);
        }

        $search = trim((string) request()->query('search', ''));
        $query = CourierOnboarding::query()->where('status', CourierOnboarding::STATUS_ACTIVATED);
        if ($search !== '') {
            $like = '%' . addcslashes($search, '%_\\') . '%';
            $query->where(static function ($builder) use ($like): void {
                foreach (['courier_name', 'company_full_name', 'network_name', 'contact_name'] as $column) {
                    $builder->orWhere($column, 'like', $like);
                }
            });
        }

        return $query->latest('activated_at')->paginate($limit, ['*'], 'page', $page)->withQueryString();
    }
}