<?php

namespace App\Http\Controllers\MerchantAdmin;

use App\Http\Controllers\Concerns\ResolvesMerchantContext;
use App\Http\Controllers\Controller;
use App\Models\Order;
use App\Support\CacheKeys;
use Illuminate\Database\Eloquent\Builder;
use Illuminate\Http\RedirectResponse;
use Illuminate\Http\Request;
use Illuminate\Support\Carbon;
use Illuminate\Support\Facades\Cache;
use Symfony\Component\HttpFoundation\StreamedResponse;
use Illuminate\View\View;

class OrderController extends Controller
{
    use ResolvesMerchantContext;

    protected array $statuses = ['pending', 'paid', 'shipped', 'completed', 'cancelled'];

    public function index(Request $request): View
    {
        $merchantId = $this->merchantId($request);
        $page = max((int) $request->integer('page', 1), 1);

        $filters = $this->filters($request);
        $statusStatsFilters = $filters;
        $statusStatsFilters['status'] = '';

        if ($filters['has_validation_error'] ?? false) {
            return view('merchant_admin.orders.index', [
                'orders' => Order::query()->whereRaw('1 = 0')->paginate(10)->withQueryString(),
                'statusStats' => $this->emptyStatusStats(),
                'summaryStats' => $this->emptySummaryStats(),
                'trendStats' => $this->emptyTrendStats(),
                'operationsFocus' => $this->buildOperationsFocus($merchantId, $this->emptySummaryStats(), $filters),
                'workbenchLinks' => $this->workbenchLinks(),
                'filters' => $filters,
                'filterOptions' => [
                    'statuses' => $this->statuses,
                    'paymentStatuses' => ['unpaid', 'paid', 'refunded', 'failed'],
                    'platforms' => ['pc', 'h5', 'wechat_mp', 'wechat_mini', 'app'],
                    'deviceTypes' => ['desktop', 'mobile', 'mini-program', 'mobile-webview', 'app-api'],
                    'paymentChannels' => ['wechat_pay', 'alipay'],
                    'timeRanges' => [
                        'all' => '全部时间',
                        'today' => '今天',
                        'last_7_days' => '近7天',
                    ],
                    'sortOptions' => [
                        'latest' => '创建时间倒序',
                        'oldest' => '创建时间正序',
                        'pay_amount_desc' => '实付金额从高到低',
                        'pay_amount_asc' => '实付金额从低到高',
                        'product_amount_desc' => '商品金额从高到低',
                        'product_amount_asc' => '商品金额从低到高',
                    ],
                ],
                'cacheMeta' => [
                    'store' => config('cache.default'),
                    'ttl' => '10m',
                ],
                'activeFilterSummary' => $this->buildActiveFilterSummary($filters),
                'statusLabels' => $this->statusLabels(),
                'paymentStatusLabels' => $this->paymentStatusLabels(),
                'platformLabels' => $this->platformLabels(),
                'deviceTypeLabels' => $this->deviceTypeLabels(),
                'paymentChannelLabels' => $this->paymentChannelLabels(),
            ]);
        }

        $summaryStats = Cache::remember(
            CacheKeys::merchantOrdersSummary($merchantId, $statusStatsFilters),
            now()->addMinutes(10),
            fn () => $this->buildSummaryStats($this->applyFilters(Order::query()->forMerchant($merchantId), $statusStatsFilters))
        );

        return view('merchant_admin.orders.index', [
            'orders' => Cache::remember(
                CacheKeys::merchantOrdersList($merchantId, $page, $filters),
                now()->addMinutes(10),
                fn () => $this->applySorting($this->applyFilters(Order::query()->forMerchant($merchantId), $filters), $filters)
                    ->paginate(10)
                    ->withQueryString()
            ),
            'statusStats' => Cache::remember(
                CacheKeys::merchantOrdersStatusStats($merchantId, $statusStatsFilters),
                now()->addMinutes(10),
                fn () => $this->buildStatusStats($this->applyFilters(Order::query()->forMerchant($merchantId), $statusStatsFilters))
            ),
            'summaryStats' => $summaryStats,
            'operationsFocus' => $this->buildOperationsFocus($merchantId, $summaryStats, $filters),
            'workbenchLinks' => $this->workbenchLinks(),
            'trendStats' => Cache::remember(
                CacheKeys::merchantOrdersTrendSummary($merchantId, $statusStatsFilters),
                now()->addMinutes(10),
                fn () => $this->buildTrendStats($this->applyFilters(Order::query()->forMerchant($merchantId), $statusStatsFilters))
            ),
            'filters' => $filters,
            'filterOptions' => [
                'statuses' => $this->statuses,
                'paymentStatuses' => ['unpaid', 'paid', 'refunded', 'failed'],
                'platforms' => ['pc', 'h5', 'wechat_mp', 'wechat_mini', 'app'],
                'deviceTypes' => ['desktop', 'mobile', 'mini-program', 'mobile-webview', 'app-api'],
                'paymentChannels' => ['wechat_pay', 'alipay'],
                'timeRanges' => [
                    'all' => '全部时间',
                    'today' => '今天',
                    'last_7_days' => '近7天',
                ],
                'sortOptions' => [
                    'latest' => '创建时间倒序',
                    'oldest' => '创建时间正序',
                    'pay_amount_desc' => '实付金额从高到低',
                    'pay_amount_asc' => '实付金额从低到高',
                    'product_amount_desc' => '商品金额从高到低',
                    'product_amount_asc' => '商品金额从低到高',
                ],
            ],
            'cacheMeta' => [
                'store' => config('cache.default'),
                'ttl' => '10m',
            ],
            'activeFilterSummary' => $this->buildActiveFilterSummary($filters),
            'statusLabels' => $this->statusLabels(),
            'paymentStatusLabels' => $this->paymentStatusLabels(),
            'platformLabels' => $this->platformLabels(),
            'deviceTypeLabels' => $this->deviceTypeLabels(),
            'paymentChannelLabels' => $this->paymentChannelLabels(),
        ]);
    }

    public function show(Request $request, int $id): View
    {
        $merchantId = $this->merchantId($request);

        return view('merchant_admin.orders.show', [
            'order' => Order::query()->with(['items.product', 'user'])->forMerchant($merchantId)->findOrFail($id),
        ]);
    }

    public function export(Request $request): StreamedResponse|RedirectResponse
    {
        $merchantId = $this->merchantId($request);
        $filters = $this->filters($request);

        if ($filters['has_validation_error'] ?? false) {
            return redirect('/merchant-admin/orders?' . http_build_query($this->exportableFilters($filters)))
                ->withErrors($filters['validation_errors'] ?? ['订单筛选条件不合法，请先修正后再导出。']);
        }

        $fileName = 'merchant_' . $merchantId . '_orders_' . now()->format('Ymd_His') . '.csv';
        $exportSummary = $this->buildSummaryStats(
            $this->applyFilters(Order::query()->forMerchant($merchantId), $filters)
        );

        return response()->streamDownload(function () use ($merchantId, $filters, $exportSummary) {
            $handle = fopen('php://output', 'w');
            fwrite($handle, "\xEF\xBB\xBF");

            foreach ($this->exportSummaryRows($filters, 'merchant', $merchantId) as $summaryRow) {
                fputcsv($handle, $summaryRow);
            }

            fputcsv($handle, ['导出订单数', $exportSummary['total_orders'] ?? 0]);
            fputcsv($handle, ['导出实付总额', number_format((float) ($exportSummary['total_pay_amount'] ?? 0), 2, '.', '')]);
            fputcsv($handle, ['导出平均客单价', number_format((float) ($exportSummary['average_order_amount'] ?? 0), 2, '.', '')]);
            fputcsv($handle, ['导出已支付订单数', $exportSummary['paid_orders'] ?? 0]);
            fputcsv($handle, ['导出支付失败订单', $exportSummary['failed_payment_orders'] ?? 0]);
            fputcsv($handle, []);

            fputcsv($handle, [
                'ID',
                '用户ID',
                '订单号',
                '订单状态',
                '支付状态',
                '平台',
                '设备类型',
                '支付渠道',
                '买家姓名',
                '买家手机',
                '买家邮箱',
                '商品金额',
                '优惠金额',
                '运费',
                '实付金额',
                '商品行数',
                '商品件数',
                '商品摘要',
                '创建时间',
                '支付时间',
                '发货时间',
                '完成时间',
                '备注',
            ]);

            foreach ($this->applySorting($this->applyFilters(Order::query()->with('items')->forMerchant($merchantId), $filters), $filters)->cursor() as $order) {
                $itemCount = $order->items->count();
                $totalQuantity = (int) $order->items->sum('quantity');
                $itemSummary = $order->items
                    ->map(fn ($item) => trim(($item->product_title ?? '商品') . ' x' . ((int) $item->quantity)))
                    ->implode(' | ');

                fputcsv($handle, [
                    $order->id,
                    $order->user_id,
                    $order->order_no,
                    $this->statusLabel((string) $order->status),
                    $this->paymentStatusLabel((string) $order->payment_status),
                    $this->platformLabel((string) $order->platform),
                    $this->deviceTypeLabel((string) $order->device_type),
                    $this->paymentChannelLabel((string) $order->payment_channel),
                    $order->buyer_name,
                    $order->buyer_phone,
                    $order->buyer_email,
                    number_format((float) $order->product_amount, 2, '.', ''),
                    number_format((float) $order->discount_amount, 2, '.', ''),
                    number_format((float) $order->shipping_amount, 2, '.', ''),
                    number_format((float) $order->pay_amount, 2, '.', ''),
                    $itemCount,
                    $totalQuantity,
                    $itemSummary,
                    optional($order->created_at)?->format('Y-m-d H:i:s'),
                    optional($order->paid_at)?->format('Y-m-d H:i:s'),
                    optional($order->shipped_at)?->format('Y-m-d H:i:s'),
                    optional($order->completed_at)?->format('Y-m-d H:i:s'),
                    $order->remark,
                ]);
            }

            fclose($handle);
        }, $fileName, [
            'Content-Type' => 'text/csv; charset=UTF-8',
        ]);
    }

    public function updateStatus(Request $request, int $id): RedirectResponse
    {
        $merchantId = $this->merchantId($request);

        $data = $request->validate([
            'status' => ['required', 'string'],
        ]);

        $order = Order::query()->forMerchant($merchantId)->findOrFail($id);
        $order->update(['status' => $data['status']]);

        Cache::add(CacheKeys::merchantOrdersVersion($merchantId), 1, now()->addDays(30));
        Cache::increment(CacheKeys::merchantOrdersVersion($merchantId));
        Cache::forget(CacheKeys::merchantDashboardStats($merchantId));

        return redirect('/merchant-admin/orders')->with('success', '订单状态更新成功');
    }

    protected function filters(Request $request): array
    {
        $timeRange = trim((string) $request->string('time_range', 'all'));
        $rawStartDate = trim((string) $request->string('start_date'));
        $rawEndDate = trim((string) $request->string('end_date'));
        $minPayAmount = trim((string) $request->string('min_pay_amount'));
        $maxPayAmount = trim((string) $request->string('max_pay_amount'));
        $validationErrors = [];

        if ($timeRange === 'today') {
            $startDate = now()->toDateString();
            $endDate = now()->toDateString();
        } elseif ($timeRange === 'last_7_days') {
            $startDate = now()->subDays(6)->toDateString();
            $endDate = now()->toDateString();
        } else {
            $timeRange = 'all';
            $startDate = $rawStartDate;
            $endDate = $rawEndDate;
        }

        if ($rawStartDate !== '' && ! $this->isValidDate($rawStartDate)) {
            $validationErrors[] = '开始日期格式不正确，请使用 YYYY-MM-DD。';
        }

        if ($rawEndDate !== '' && ! $this->isValidDate($rawEndDate)) {
            $validationErrors[] = '结束日期格式不正确，请使用 YYYY-MM-DD。';
        }

        if ($rawStartDate !== '' && $rawEndDate !== '' && $this->isValidDate($rawStartDate) && $this->isValidDate($rawEndDate) && $rawStartDate > $rawEndDate) {
            $validationErrors[] = '开始日期不能晚于结束日期。';
        }

        if ($minPayAmount !== '' && ! is_numeric($minPayAmount)) {
            $validationErrors[] = '最低实付金额必须为数字。';
        }

        if ($maxPayAmount !== '' && ! is_numeric($maxPayAmount)) {
            $validationErrors[] = '最高实付金额必须为数字。';
        }

        if ($minPayAmount !== '' && $maxPayAmount !== '' && is_numeric($minPayAmount) && is_numeric($maxPayAmount) && (float) $minPayAmount > (float) $maxPayAmount) {
            $validationErrors[] = '最低实付金额不能大于最高实付金额。';
        }

        return [
            'status' => trim((string) $request->string('status')),
            'payment_status' => trim((string) $request->string('payment_status')),
            'platform' => trim((string) $request->string('platform')),
            'device_type' => trim((string) $request->string('device_type')),
            'payment_channel' => trim((string) $request->string('payment_channel')),
            'keyword' => trim((string) $request->string('keyword')),
            'start_date' => $startDate,
            'end_date' => $endDate,
            'min_pay_amount' => $minPayAmount,
            'max_pay_amount' => $maxPayAmount,
            'time_range' => $timeRange,
            'sort' => trim((string) $request->string('sort', 'latest')),
            'validation_errors' => $validationErrors,
            'has_validation_error' => ! empty($validationErrors),
        ];
    }

    protected function applyFilters(Builder $query, array $filters): Builder
    {
        return $query
            ->when(($filters['status'] ?? '') !== '', fn ($builder) => $builder->where('status', $filters['status']))
            ->when(($filters['payment_status'] ?? '') !== '', fn ($builder) => $builder->where('payment_status', $filters['payment_status']))
            ->when(($filters['platform'] ?? '') !== '', fn ($builder) => $builder->where('platform', $filters['platform']))
            ->when(($filters['device_type'] ?? '') !== '', fn ($builder) => $builder->where('device_type', $filters['device_type']))
            ->when(($filters['payment_channel'] ?? '') !== '', fn ($builder) => $builder->where('payment_channel', $filters['payment_channel']))
            ->when(($filters['keyword'] ?? '') !== '', fn ($builder) => $builder->where(function ($subQuery) use ($filters) {
                $subQuery->where('order_no', 'like', '%' . $filters['keyword'] . '%')
                    ->orWhere('buyer_name', 'like', '%' . $filters['keyword'] . '%')
                    ->orWhere('buyer_phone', 'like', '%' . $filters['keyword'] . '%')
                    ->orWhere('buyer_email', 'like', '%' . $filters['keyword'] . '%');
            }))
            ->when(($filters['start_date'] ?? '') !== '', fn ($builder) => $builder->whereDate('created_at', '>=', $filters['start_date']))
            ->when(($filters['end_date'] ?? '') !== '', fn ($builder) => $builder->whereDate('created_at', '<=', $filters['end_date']))
            ->when(($filters['min_pay_amount'] ?? '') !== '' && is_numeric($filters['min_pay_amount']), fn ($builder) => $builder->where('pay_amount', '>=', $filters['min_pay_amount']))
            ->when(($filters['max_pay_amount'] ?? '') !== '' && is_numeric($filters['max_pay_amount']), fn ($builder) => $builder->where('pay_amount', '<=', $filters['max_pay_amount']));
    }

    protected function buildStatusStats(Builder $query): array
    {
        $counts = (clone $query)
            ->selectRaw('status, COUNT(*) as aggregate')
            ->groupBy('status')
            ->pluck('aggregate', 'status');

        $stats = ['all' => (int) $counts->sum()];

        foreach ($this->statuses as $status) {
            $stats[$status] = (int) ($counts[$status] ?? 0);
        }

        return $stats;
    }

    protected function applySorting(Builder $query, array $filters): Builder
    {
        return match ($filters['sort'] ?? 'latest') {
            'oldest' => $query->orderBy('created_at')->orderBy('id'),
            'pay_amount_desc' => $query->orderByDesc('pay_amount')->orderByDesc('id'),
            'pay_amount_asc' => $query->orderBy('pay_amount')->orderByDesc('id'),
            'product_amount_desc' => $query->orderByDesc('product_amount')->orderByDesc('id'),
            'product_amount_asc' => $query->orderBy('product_amount')->orderByDesc('id'),
            default => $query->latest(),
        };
    }

    protected function buildSummaryStats(Builder $query): array
    {
        $summary = (clone $query)
            ->selectRaw('COUNT(*) as total_orders')
            ->selectRaw('COALESCE(SUM(pay_amount), 0) as total_pay_amount')
            ->selectRaw("SUM(CASE WHEN payment_status = 'unpaid' THEN pay_amount ELSE 0 END) as unpaid_pay_amount")
            ->selectRaw("SUM(CASE WHEN payment_status = 'paid' THEN pay_amount ELSE 0 END) as paid_pay_amount")
            ->selectRaw("SUM(CASE WHEN payment_status = 'paid' THEN 1 ELSE 0 END) as paid_orders")
            ->selectRaw("SUM(CASE WHEN payment_status = 'refunded' THEN 1 ELSE 0 END) as refunded_orders")
            ->selectRaw("SUM(CASE WHEN payment_status = 'failed' THEN 1 ELSE 0 END) as failed_payment_orders")
            ->selectRaw("SUM(CASE WHEN status = 'paid' THEN 1 ELSE 0 END) as pending_shipment_orders")
            ->selectRaw("SUM(CASE WHEN status = 'completed' THEN 1 ELSE 0 END) as completed_orders")
            ->selectRaw("SUM(CASE WHEN status = 'cancelled' THEN 1 ELSE 0 END) as cancelled_orders")
            ->first();

        $totalOrders = (int) ($summary->total_orders ?? 0);
        $totalPayAmount = (float) ($summary->total_pay_amount ?? 0);
        $paidOrders = (int) ($summary->paid_orders ?? 0);
        $refundedOrders = (int) ($summary->refunded_orders ?? 0);
        $completedOrders = (int) ($summary->completed_orders ?? 0);
        $cancelledOrders = (int) ($summary->cancelled_orders ?? 0);

        return [
            'total_orders' => $totalOrders,
            'total_pay_amount' => $totalPayAmount,
            'unpaid_pay_amount' => (float) ($summary->unpaid_pay_amount ?? 0),
            'paid_pay_amount' => (float) ($summary->paid_pay_amount ?? 0),
            'paid_orders' => $paidOrders,
            'refunded_orders' => $refundedOrders,
            'failed_payment_orders' => (int) ($summary->failed_payment_orders ?? 0),
            'pending_shipment_orders' => (int) ($summary->pending_shipment_orders ?? 0),
            'completed_orders' => $completedOrders,
            'cancelled_orders' => $cancelledOrders,
            'average_order_amount' => $totalOrders > 0 ? round($totalPayAmount / $totalOrders, 2) : 0,
            'payment_rate' => $totalOrders > 0 ? round(($paidOrders / $totalOrders) * 100, 2) : 0,
            'refund_rate' => $paidOrders > 0 ? round(($refundedOrders / $paidOrders) * 100, 2) : 0,
            'completion_rate' => $totalOrders > 0 ? round(($completedOrders / $totalOrders) * 100, 2) : 0,
            'cancellation_rate' => $totalOrders > 0 ? round(($cancelledOrders / $totalOrders) * 100, 2) : 0,
        ];
    }

    protected function buildTrendStats(Builder $query): array
    {
        $todayStart = Carbon::today();
        $tomorrowStart = (clone $todayStart)->copy()->addDay();
        $last7DaysStart = (clone $todayStart)->copy()->subDays(6)->startOfDay();

        $today = (clone $query)
            ->where('created_at', '>=', $todayStart)
            ->where('created_at', '<', $tomorrowStart)
            ->selectRaw('COUNT(*) as total_orders')
            ->selectRaw('COALESCE(SUM(CASE WHEN payment_status = \'paid\' THEN pay_amount ELSE 0 END), 0) as total_pay_amount')
            ->first();

        $last7Days = (clone $query)
            ->where('created_at', '>=', $last7DaysStart)
            ->where('created_at', '<', $tomorrowStart)
            ->selectRaw('COUNT(*) as total_orders')
            ->selectRaw('COALESCE(SUM(CASE WHEN payment_status = \'paid\' THEN pay_amount ELSE 0 END), 0) as total_pay_amount')
            ->first();

        return [
            'today_orders' => (int) ($today->total_orders ?? 0),
            'today_pay_amount' => (float) ($today->total_pay_amount ?? 0),
            'last_7_days_orders' => (int) ($last7Days->total_orders ?? 0),
            'last_7_days_pay_amount' => (float) ($last7Days->total_pay_amount ?? 0),
        ];
    }

    protected function emptyStatusStats(): array
    {
        $stats = ['all' => 0];

        foreach ($this->statuses as $status) {
            $stats[$status] = 0;
        }

        return $stats;
    }

    protected function emptySummaryStats(): array
    {
        return [
            'total_orders' => 0,
            'total_pay_amount' => 0,
            'unpaid_pay_amount' => 0,
            'paid_pay_amount' => 0,
            'paid_orders' => 0,
            'refunded_orders' => 0,
            'failed_payment_orders' => 0,
            'pending_shipment_orders' => 0,
            'completed_orders' => 0,
            'cancelled_orders' => 0,
            'average_order_amount' => 0,
            'payment_rate' => 0,
            'refund_rate' => 0,
            'completion_rate' => 0,
            'cancellation_rate' => 0,
        ];
    }

    protected function emptyTrendStats(): array
    {
        return [
            'today_orders' => 0,
            'today_pay_amount' => 0,
            'last_7_days_orders' => 0,
            'last_7_days_pay_amount' => 0,
        ];
    }

    protected function isValidDate(string $value): bool
    {
        try {
            $date = Carbon::createFromFormat('Y-m-d', $value);
        } catch (\Throwable $exception) {
            return false;
        }

        return $date && $date->format('Y-m-d') === $value;
    }

    protected function exportableFilters(array $filters): array
    {
        return array_filter([
            'status' => $filters['status'] ?? '',
            'payment_status' => $filters['payment_status'] ?? '',
            'platform' => $filters['platform'] ?? '',
            'device_type' => $filters['device_type'] ?? '',
            'payment_channel' => $filters['payment_channel'] ?? '',
            'keyword' => $filters['keyword'] ?? '',
            'start_date' => $filters['start_date'] ?? '',
            'end_date' => $filters['end_date'] ?? '',
            'min_pay_amount' => $filters['min_pay_amount'] ?? '',
            'max_pay_amount' => $filters['max_pay_amount'] ?? '',
            'time_range' => $filters['time_range'] ?? '',
            'sort' => $filters['sort'] ?? '',
        ], fn ($value) => $value !== null && $value !== '' && $value !== 'all' && $value !== 'latest');
    }

    protected function exportSummaryRows(array $filters, string $scope, ?int $merchantId = null): array
    {
        return [
            ['导出信息', $scope === 'platform' ? '平台订单导出' : '商家订单导出'],
            ['导出时间', now()->format('Y-m-d H:i:s')],
            ['商家ID', $merchantId ? (string) $merchantId : '全部商家'],
            ['订单状态', $this->statusLabel($filters['status'] ?? '')],
            ['支付状态', $this->paymentStatusLabel($filters['payment_status'] ?? '')],
            ['平台', $this->platformLabel($filters['platform'] ?? '')],
            ['设备类型', $this->displayFilterValue((string) ($filters['device_type'] ?? ''), $this->deviceTypeLabels())],
            ['支付渠道', $this->displayFilterValue((string) ($filters['payment_channel'] ?? ''), $this->paymentChannelLabels())],
            ['关键词', $this->displayTextValue($filters['keyword'] ?? '')],
            ['快捷时间范围', $this->displayFilterValue($filters['time_range'] ?? 'all', [
                'all' => '全部时间',
                'today' => '今天',
                'last_7_days' => '近7天',
            ])],
            ['开始日期', $this->displayTextValue($filters['start_date'] ?? '')],
            ['结束日期', $this->displayTextValue($filters['end_date'] ?? '')],
            ['最低实付金额', $this->displayMoneyValue($filters['min_pay_amount'] ?? '')],
            ['最高实付金额', $this->displayMoneyValue($filters['max_pay_amount'] ?? '')],
            ['排序', $this->sortLabel($filters['sort'] ?? 'latest')],
        ];
    }

    protected function buildActiveFilterSummary(array $filters): array
    {
        return [
            '关键词' => $this->displayTextValue($filters['keyword'] ?? '', '全部'),
            '订单状态' => $this->statusLabel($filters['status'] ?? ''),
            '支付状态' => $this->paymentStatusLabel($filters['payment_status'] ?? ''),
            '平台' => $this->platformLabel($filters['platform'] ?? ''),
            '设备类型' => $this->displayFilterValue((string) ($filters['device_type'] ?? ''), $this->deviceTypeLabels()),
            '支付渠道' => $this->displayFilterValue((string) ($filters['payment_channel'] ?? ''), $this->paymentChannelLabels()),
            '实付金额区间' => $this->formatMoneyRange($filters['min_pay_amount'] ?? '', $filters['max_pay_amount'] ?? ''),
            '排序' => $this->sortLabel($filters['sort'] ?? 'latest'),
        ];
    }

    protected function statusLabels(): array
    {
        return [
            'pending' => '待处理',
            'paid' => '已支付',
            'shipped' => '已发货',
            'completed' => '已完成',
            'cancelled' => '已取消',
        ];
    }

    protected function statusLabel(string $status): string
    {
        return $this->statusLabels()[$status] ?? '全部';
    }

    protected function paymentStatusLabels(): array
    {
        return [
            'unpaid' => '未支付',
            'paid' => '已支付',
            'refunded' => '已退款',
            'failed' => '支付失败',
        ];
    }

    protected function paymentStatusLabel(string $status): string
    {
        return $this->paymentStatusLabels()[$status] ?? '全部';
    }

    protected function platformLabels(): array
    {
        return [
            'pc' => 'PC 端',
            'h5' => 'H5',
            'wechat_mp' => '微信公众号',
            'wechat_mini' => '微信小程序',
            'app' => 'APP 接口预留',
        ];
    }

    protected function platformLabel(string $platform): string
    {
        return $this->platformLabels()[$platform] ?? '全部';
    }

    protected function deviceTypeLabels(): array
    {
        return [
            'desktop' => '桌面浏览器',
            'mobile' => '移动浏览器',
            'mini-program' => '小程序环境',
            'mobile-webview' => '微信内网页',
            'app-api' => 'APP 接口',
        ];
    }

    protected function deviceTypeLabel(string $deviceType): string
    {
        return $this->deviceTypeLabels()[$deviceType] ?? ($deviceType === '' ? '未设置' : $deviceType);
    }

    protected function paymentChannelLabels(): array
    {
        return [
            'wechat_pay' => '微信支付',
            'alipay' => '支付宝',
        ];
    }

    protected function paymentChannelLabel(string $paymentChannel): string
    {
        return $this->paymentChannelLabels()[$paymentChannel] ?? ($paymentChannel === '' ? '未设置' : $paymentChannel);
    }

    protected function sortLabel(string $sort): string
    {
        return match ($sort) {
            'oldest' => '创建时间正序',
            'pay_amount_desc' => '实付金额从高到低',
            'pay_amount_asc' => '实付金额从低到高',
            'product_amount_desc' => '商品金额从高到低',
            'product_amount_asc' => '商品金额从低到高',
            default => '创建时间倒序',
        };
    }

    protected function formatMoneyRange(string $min, string $max): string
    {
        if ($min === '' && $max === '') {
            return '全部';
        }

        $minLabel = $min !== '' && is_numeric($min) ? ('¥' . number_format((float) $min, 2, '.', '')) : '不限';
        $maxLabel = $max !== '' && is_numeric($max) ? ('¥' . number_format((float) $max, 2, '.', '')) : '不限';

        return $minLabel . ' ~ ' . $maxLabel;
    }

    protected function displayFilterValue(string $value, array $options): string
    {
        if ($value === '') {
            return '全部';
        }

        return (string) ($options[$value] ?? $value);
    }

    protected function displayTextValue(string $value, string $default = '未设置'): string
    {
        return $value === '' ? $default : $value;
    }

    protected function displayMoneyValue(string $value): string
    {
        if ($value === '') {
            return '全部';
        }

        return is_numeric($value) ? ('¥' . number_format((float) $value, 2, '.', '')) : $value;
    }

    protected function workbenchLinks(): array
    {
        return [
            'paid_high_amount' => '/merchant-admin/orders?sort=pay_amount_desc&payment_status=paid',
            'pending_latest' => '/merchant-admin/orders?sort=latest&payment_status=unpaid',
            'failed_latest' => '/merchant-admin/orders?sort=latest&payment_status=failed',
            'completed_latest' => '/merchant-admin/orders?sort=latest&status=completed',
            'current' => '/merchant-admin/orders',
        ];
    }

    protected function buildOperationsFocus(int $merchantId, array $summaryStats, array $filters): array
    {
        $pendingCount = (int) Order::query()->forMerchant($merchantId)->where('payment_status', 'unpaid')->count();
        $failedCount = (int) Order::query()->forMerchant($merchantId)->where('payment_status', 'failed')->count();
        $completedCount = (int) Order::query()->forMerchant($merchantId)->where('status', 'completed')->count();
        $links = $this->workbenchLinks();
        $currentQuery = http_build_query(array_filter($this->exportableFilters($filters), fn ($value) => $value !== null && $value !== '' && $value !== 'all' && $value !== 'latest'));
        $currentUrl = $links['current'] . ($currentQuery !== '' ? ('?' . $currentQuery) : '');
        $workbench = [
            '高金额已支付' => $links['paid_high_amount'],
            '待支付跟进' => $links['pending_latest'],
            '支付失败排查' => $links['failed_latest'],
            '最近完成订单' => $links['completed_latest'],
            '返回当前筛选视图' => $currentUrl,
        ];
        $signals = [
            '待支付订单' => $pendingCount,
            '支付失败订单' => $failedCount,
            '已完成订单' => $completedCount,
        ];

        if (($filters['platform'] ?? '') === 'wechat_mini') {
            return [
                'headline' => '当前筛选已聚焦微信小程序订单，建议优先关注下单到支付转化是否顺畅，并同步排查小程序端支付回流体验。',
                'actions' => [
                    ['label' => '继续查看微信小程序订单', 'url' => $currentUrl],
                    ['label' => '去看待支付订单', 'url' => $links['pending_latest']],
                ],
                'workbench' => $workbench,
                'signals' => $signals,
            ];
        }

        if (($filters['payment_channel'] ?? '') === 'wechat_pay') {
            return [
                'headline' => '当前筛选已聚焦微信支付订单，建议优先核对支付成功率、回调稳定性与失败重试转化。',
                'actions' => [
                    ['label' => '继续查看微信支付订单', 'url' => $currentUrl],
                    ['label' => '去看支付失败订单', 'url' => $links['failed_latest']],
                ],
                'workbench' => $workbench,
                'signals' => $signals,
            ];
        }

        if (($filters['device_type'] ?? '') === 'mini-program') {
            return [
                'headline' => '当前筛选已聚焦小程序环境订单，建议优先核对授权链路、支付唤起表现与下单回流是否顺畅。',
                'actions' => [
                    ['label' => '继续查看小程序环境订单', 'url' => $currentUrl],
                    ['label' => '去看微信支付订单', 'url' => $links['failed_latest']],
                ],
                'workbench' => $workbench,
                'signals' => $signals,
            ];
        }

        if (($filters['device_type'] ?? '') === 'mobile-webview') {
            return [
                'headline' => '当前筛选已聚焦微信内网页订单，建议优先关注授权静默登录、页面跳转稳定性与支付拉起后的回流体验。',
                'actions' => [
                    ['label' => '继续查看微信内网页订单', 'url' => $currentUrl],
                    ['label' => '去看待支付订单', 'url' => $links['pending_latest']],
                ],
                'workbench' => $workbench,
                'signals' => $signals,
            ];
        }

        if (($filters['device_type'] ?? '') === 'mobile') {
            return [
                'headline' => '当前筛选已聚焦移动浏览器订单，建议优先关注 H5 下单链路、页面加载稳定性与支付转化流失点。',
                'actions' => [
                    ['label' => '继续查看移动浏览器订单', 'url' => $currentUrl],
                    ['label' => '去看待支付订单', 'url' => $links['pending_latest']],
                ],
                'workbench' => $workbench,
                'signals' => $signals,
            ];
        }

        if (($filters['device_type'] ?? '') === 'desktop') {
            return [
                'headline' => '当前筛选已聚焦桌面浏览器订单，建议优先关注 PC 端下单流程、页面首屏稳定性与高客单转化表现。',
                'actions' => [
                    ['label' => '继续查看桌面浏览器订单', 'url' => $currentUrl],
                    ['label' => '去看高金额已支付订单', 'url' => $links['paid_high_amount']],
                ],
                'workbench' => $workbench,
                'signals' => $signals,
            ];
        }

        if (($filters['payment_status'] ?? '') === 'failed') {
            return [
                'headline' => '当前筛选已聚焦支付失败订单，建议优先排查支付渠道、回调结果与用户重试情况。',
                'actions' => [
                    ['label' => '继续查看支付失败订单', 'url' => $currentUrl],
                    ['label' => '去看高金额已支付订单', 'url' => $links['paid_high_amount']],
                ],
                'workbench' => $workbench,
                'signals' => $signals,
            ];
        }

        if (($filters['payment_status'] ?? '') === 'unpaid') {
            return [
                'headline' => '当前筛选已聚焦待支付订单，建议优先跟进下单未支付用户，并观察支付转化时效。',
                'actions' => [
                    ['label' => '继续查看待支付订单', 'url' => $currentUrl],
                    ['label' => '去看高金额已支付订单', 'url' => $links['paid_high_amount']],
                ],
                'workbench' => $workbench,
                'signals' => $signals,
            ];
        }

        if (($filters['payment_status'] ?? '') === 'paid') {
            return [
                'headline' => '当前正在查看已支付订单，建议优先关注高金额订单履约进度与异常售后风险。',
                'actions' => [
                    ['label' => '继续查看已支付订单', 'url' => $currentUrl],
                    ['label' => '去看最近完成订单', 'url' => $links['completed_latest']],
                ],
                'workbench' => $workbench,
                'signals' => $signals,
            ];
        }

        if (($filters['status'] ?? '') === 'completed') {
            return [
                'headline' => '当前正在查看已完成订单，建议复盘高客单成交与复购来源，沉淀更稳定的转化路径。',
                'actions' => [
                    ['label' => '继续查看已完成订单', 'url' => $currentUrl],
                    ['label' => '去看高金额已支付订单', 'url' => $links['paid_high_amount']],
                ],
                'workbench' => $workbench,
                'signals' => $signals,
            ];
        }

        if (($summaryStats['total_orders'] ?? 0) <= 0) {
            return [
                'headline' => '当前商家暂无订单，建议先确认交易链路、支付链路与回写链路是否都已打通。',
                'actions' => [
                    ['label' => '先看订单整体情况', 'url' => $links['paid_high_amount']],
                    ['label' => '去看待支付订单', 'url' => $links['pending_latest']],
                ],
                'workbench' => $workbench,
                'signals' => $signals,
            ];
        }

        if (($summaryStats['total_orders'] ?? 0) < 5) {
            return [
                'headline' => '当前商家已有少量订单沉淀，建议优先关注待支付订单，并同步查看已支付订单质量。',
                'actions' => [
                    ['label' => '去看待支付订单', 'url' => $links['pending_latest']],
                    ['label' => '去看已支付订单', 'url' => $links['paid_high_amount']],
                ],
                'workbench' => $workbench,
                'signals' => $signals,
            ];
        }

        return [
            'headline' => $failedCount > 0
                ? '当前商家订单已形成基础规模，建议优先关注待支付、支付失败与高金额已支付订单。'
                : '当前商家订单已形成基础规模，建议优先关注待支付与高金额已支付订单，保持交易闭环稳定。',
            'actions' => $failedCount > 0
                ? [
                    ['label' => '去看待支付订单', 'url' => $links['pending_latest']],
                    ['label' => '去看支付失败订单', 'url' => $links['failed_latest']],
                ]
                : [
                    ['label' => '去看待支付订单', 'url' => $links['pending_latest']],
                    ['label' => '去看高金额已支付订单', 'url' => $links['paid_high_amount']],
                ],
            'workbench' => $workbench,
            'signals' => $signals,
        ];
    }
}