<?php

namespace Modules\EcommerceFinance\View;

use App\Utilities\FinanceLedgerAccountStatus;
use App\Utilities\FinanceLedgerAccountShouldKeep;
use App\Utilities\FinanceLedgerAccountType;
use App\Utilities\FinanceLedgerAccess;
use Illuminate\Contracts\Pagination\LengthAwarePaginator;
use Illuminate\Database\Query\Builder;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Schema;
use Modules\EcommerceFinance\Repositories\JushuitanShopBalanceRepository;

/**
 * 财务台账页面数据。
 *
 * 所有页签一次性读取，页签切换只做前端显示/隐藏；各页签使用独立的分页
 * 参数，避免在同一 URL 上互相覆盖。
 */
class FinanceLedgerPageData
{
    public const TABS = [
        'accounts' => ['title' => '账户总表', 'icon' => 'account_balance'],
        'shops' => ['title' => '店铺台账', 'icon' => 'storefront'],
        'flows' => ['title' => '每日资金流水', 'icon' => 'waterfall_chart'],
        'transactions' => ['title' => '动账明细', 'icon' => 'receipt_long'],
        'mapping' => ['title' => '账户映射', 'icon' => 'alt_route'],
        'sources' => ['title' => '数据来源', 'icon' => 'database'],
    ];

    private const ACCOUNT_FILTER_EMPTY = '__empty__';

    public function page(?string $tab = null): array
    {
        $tab = (string) (request('tab') ?: $tab);
        $tab = array_key_exists($tab, self::TABS) ? $tab : 'accounts';
        $openingDate = (string) config('finance_ledger.opening_date', '2026-10-17');

        $accounts = $this->accounts();
        $shops = $this->shops();
        $flows = $this->flows();
        $transactions = $this->transactions();

        return [
            'view' => 'business.pages.financial-ledger.ledger',
            'ledgerTab' => $tab,
            'ledgerTabs' => self::TABS,
            'ledgerOpeningDate' => $openingDate,
            'ledgerAccounts' => $accounts['rows'],
            'ledgerAccountSummary' => $accounts['summary'],
            'ledgerShops' => $shops['rows'],
            'ledgerShopSummary' => $shops['summary'],
            'ledgerShopBalanceDate' => $this->latestShopBalanceDate(),
            'ledgerFlows' => $flows['rows'],
            'ledgerFlowSummary' => $flows['summary'],
            'ledgerTransactions' => $transactions['rows'],
            'ledgerTransactionSummary' => $transactions['summary'],
            'ledgerMapping' => $this->mapping(),
            'ledgerSourceSummary' => $this->sourceSummary(),
            'ledgerMeta' => $this->meta(),
            'ledgerAccountOptions' => $this->accountOptions(),
            'ledgerManualTransactionAccountOptions' => $this->manualTransactionAccountOptions(),
            'ledgerTransactionAccountHeaderOptions' => $this->transactionAccountHeaderOptions(),
            'ledgerTransactionDateHeaderOptions' => $this->transactionDateHeaderOptions(),
            'ledgerAccountFilterOptions' => $this->accountFilterOptions(),
            'ledgerCompanyOptions' => $this->companyOptions(),
            'ledgerAccountStatusOptions' => FinanceLedgerAccountStatus::OPTIONS,
            'ledgerAccountPlanOptions' => $this->accountPlanOptions(),
            'ledgerAccountKeepOptions' => FinanceLedgerAccountShouldKeep::OPTIONS,
            'ledgerCanEditMapping' => FinanceLedgerAccess::canEditMapping(user()),
            'ledgerCanEditAccountStatus' => FinanceLedgerAccess::canEditAccountStatus(user()),
            'ledgerCanEditAccountType' => FinanceLedgerAccess::canEditAccountType(user()),
        ];
    }

    private function accounts(): array
    {
        $query = $this->db()->table('fin_accounts as a');
        $keyword = trim((string) request('accounts_q', ''));
        if ($keyword !== '') {
            $query->where(function (Builder $builder) use ($keyword): void {
                foreach (['a.company_name', 'a.account_short', 'a.account_no', 'a.owner'] as $column) {
                    $builder->orWhere($column, 'like', '%' . $keyword . '%');
                }
            });
        }

        $accountShort = trim((string) request('accounts_short', ''));
        if ($accountShort !== '') {
            $query->where('a.account_short', 'like', '%' . $accountShort . '%');
        }

        $status = trim((string) request('accounts_status', ''));
        if ($status !== '' && array_key_exists($status, FinanceLedgerAccountStatus::OPTIONS)) {
            if ($status === FinanceLedgerAccountStatus::NORMAL) {
                $nonNormalStatuses = array_values(array_diff(
                    array_keys(FinanceLedgerAccountStatus::OPTIONS),
                    [FinanceLedgerAccountStatus::NORMAL],
                ));
                $query->whereNotIn(
                    'a.account_short',
                    $this->db()->table('fin_account_statuses')
                        ->select('account_short')
                        ->whereIn('status', $nonNormalStatuses),
                );
            } else {
                $query->whereIn(
                    'a.account_short',
                    $this->db()->table('fin_account_statuses')
                        ->select('account_short')
                        ->where('status', $status),
                );
            }
        }

        $region = trim((string) request('accounts_region', ''));
        if ($region !== '') {
            if ($region === self::ACCOUNT_FILTER_EMPTY) {
                $query->where(function (Builder $builder): void {
                    $builder->whereNull('a.region')->orWhere('a.region', '');
                });
            } else {
                $query->where('a.region', $region);
            }
        }

        $accountType = trim((string) request('accounts_type', ''));
        if ($accountType !== '') {
            $query->where(function (Builder $effectiveType) use ($accountType): void {
                $effectiveType->where(function (Builder $baseType) use ($accountType): void {
                    $baseType->whereNotIn(
                        'a.account_short',
                        $this->db()->table('fin_account_type_overrides')->select('account_short'),
                    );
                    if ($accountType === self::ACCOUNT_FILTER_EMPTY) {
                        $baseType->where(function (Builder $blank): void {
                            $blank->whereNull('a.account_type')->orWhere('a.account_type', '');
                        });
                    } else {
                        $baseType->where('a.account_type', $accountType);
                    }
                });

                $overrideType = $this->db()->table('fin_account_type_overrides')->select('account_short');
                if ($accountType === self::ACCOUNT_FILTER_EMPTY) {
                    $overrideType->where(function (Builder $blank): void {
                        $blank->whereNull('account_type')->orWhere('account_type', '');
                    });
                } else {
                    $overrideType->where('account_type', $accountType);
                }
                $effectiveType->orWhereIn('a.account_short', $overrideType);
            });
        }

        $balanceRange = trim((string) request('accounts_balance', ''));
        if ($balanceRange === '0-5') {
            $query->where('a.current_balance', '>=', 0)->where('a.current_balance', '<', 50000);
        } elseif ($balanceRange === '5-20') {
            $query->where('a.current_balance', '>=', 50000)->where('a.current_balance', '<', 200000);
        } elseif ($balanceRange === '20-plus') {
            $query->where('a.current_balance', '>=', 200000);
        }

        $headerColumns = $this->accountHeaderColumns();
        $this->applyLedgerHeaderFilter($query, 'accounts', $headerColumns);
        $summaryQuery = clone $query;
        $summary = [
            'count' => (clone $query)->count(),
            'unretained' => FinanceLedgerAccountShouldKeep::applyUnretainedCondition(
                clone $query,
                'a.account_should_keep',
                'a.company_plan',
            )->count(),
            'current_balance' => round((float) (clone $summaryQuery)->sum('a.current_balance'), 2),
            'balance' => round((float) (clone $summaryQuery)->sum('a.daily_available'), 2),
            'blocked' => round((float) (clone $summaryQuery)->sum('a.blocked_amount'), 2),
        ];

        $sorted = $this->applyLedgerHeaderSort($query, 'accounts', $headerColumns);
        if (! $sorted) {
            $query->orderBy('a.company_name')->orderBy('a.account_short');
        }
        $rows = $query
            ->paginate(100, ['*'], 'accounts_page')
            ->withQueryString();

        $accountShorts = $rows->pluck('account_short')->filter()->unique()->values()->all();
        $statuses = $accountShorts === []
            ? collect()
            : $this->db()->table('fin_account_statuses')
                ->whereIn('account_short', $accountShorts)
                ->pluck('status', 'account_short');
        $typeOverrides = $accountShorts === []
            ? collect()
            : $this->db()->table('fin_account_type_overrides')
                ->whereIn('account_short', $accountShorts)
                ->pluck('account_type', 'account_short');
        $rows->getCollection()->transform(static function ($row) use ($statuses, $typeOverrides) {
            $row->account_status = FinanceLedgerAccountStatus::normalize($statuses[$row->account_short] ?? null);
            if ($typeOverrides->has($row->account_short)) {
                $row->account_type = (string) ($typeOverrides->get($row->account_short) ?? '');
            }
            $row->account_should_keep = FinanceLedgerAccountShouldKeep::display(
                $row->account_should_keep ?? null,
                $row->company_plan ?? null,
            );

            return $row;
        });

        return ['rows' => $rows, 'summary' => $summary];
    }

    private function shops(): array
    {
        $query = $this->db()->table('fin_shops');
        foreach (['shops_q' => ['shop_name', 'platform', 'company_name'], 'shops_platform' => ['platform'], 'shops_company' => ['company_name']] as $param => $columns) {
            $value = trim((string) request($param, ''));
            if ($value === '') {
                continue;
            }
            $query->where(function (Builder $builder) use ($columns, $value): void {
                foreach ($columns as $column) {
                    $builder->orWhere($column, 'like', '%' . $value . '%');
                }
            });
        }

        $headerColumns = $this->shopHeaderColumns();
        $this->applyLedgerHeaderFilter($query, 'shops', $headerColumns);
        $summary = [
            'count' => (clone $query)->count(),
            'balance' => round((float) (clone $query)->sum('shop_balance'), 2),
        ];

        $sorted = $this->applyLedgerHeaderSort($query, 'shops', $headerColumns);
        if (! $sorted) {
            $query->orderBy('company_name')->orderBy('shop_name');
        }

        return [
            'rows' => $query
                ->paginate(100, ['*'], 'shops_page')->withQueryString(),
            'summary' => $summary,
        ];
    }

    private function flows(): array
    {
        $query = $this->db()->table('fin_daily_flows');
        foreach (['flows_date' => 'flow_date', 'flows_company' => 'company_name', 'flows_account' => 'account_short'] as $param => $column) {
            $value = trim((string) request($param, ''));
            if ($value !== '') {
                $query->where($column, $param === 'flows_company' || $param === 'flows_account' ? 'like' : '=', $param === 'flows_company' || $param === 'flows_account' ? '%' . $value . '%' : $value);
            }
        }

        $headerColumns = $this->flowHeaderColumns();
        $this->applyLedgerHeaderFilter($query, 'flows', $headerColumns);
        $summary = [
            'count' => (clone $query)->count(),
            'closing' => round((float) (clone $query)->sum('closing_balance'), 2),
            'inflow' => round((float) (clone $query)->sum('inflow'), 2),
            'outflow' => round((float) (clone $query)->sum('outflow'), 2),
        ];

        $sorted = $this->applyLedgerHeaderSort($query, 'flows', $headerColumns);
        if (! $sorted) {
            $query->orderBy('flow_date')->orderBy('account_short');
        }

        return [
            'rows' => $query
                ->paginate(100, ['*'], 'flows_page')->withQueryString(),
            'summary' => $summary,
        ];
    }

    private function transactions(): array
    {
        $query = $this->transactionQuery();
        $this->applyTransactionFilters($query);

        $headerColumns = $this->transactionHeaderColumns();
        $summary = $this->transactionSummaryMetrics($query);
        $sorted = $this->applyLedgerHeaderSort($query, 'transactions', $headerColumns);
        if (! $sorted) {
            $query->orderByDesc('t.txn_date')->orderByDesc('t.id');
        }

        return [
            'rows' => $query
                ->paginate(100, ['*'], 'txns_page')->withQueryString(),
            'summary' => $summary,
        ];
    }

    public function transactionSummary(): array
    {
        $query = $this->transactionQuery();
        $this->applyTransactionFilters($query);

        return $this->transactionSummaryMetrics($query);
    }

    private function applyTransactionFilters(Builder $query): void
    {
        $keyword = trim((string) request('txns_q', ''));
        if ($keyword !== '') {
            $query->where(function (Builder $builder) use ($keyword): void {
                $builder->where('t.detail', 'like', '%' . $keyword . '%')
                    ->orWhere('t.approval_no', 'like', '%' . $keyword . '%')
                    ->orWhere('t.account_short', 'like', '%' . $keyword . '%')
                    ->orWhere('m.account_short', 'like', '%' . $keyword . '%');
            });
        }
        $account = trim((string) request('txns_account', ''));
        if ($account !== '') {
            $effectiveAccount = $this->transactionHeaderColumns()['effective_account_short']['sort'];
            $query->whereRaw($effectiveAccount . ' LIKE ?', ['%' . $account . '%']);
        }
        $from = trim((string) request('txns_from', ''));
        if ($from !== '') {
            $query->where('t.txn_date', '>=', $from);
        }
        $to = trim((string) request('txns_to', ''));
        if ($to !== '') {
            $query->where('t.txn_date', '<=', $to);
        }
        $source = trim((string) request('txns_source', ''));
        if ($source !== '') {
            $query->where('t.source', $source);
        }

        $this->applyLedgerHeaderFilter($query, 'transactions', $this->transactionHeaderColumns());
    }

    private function transactionSummaryMetrics(Builder $query): array
    {
        return [
            'count' => (clone $query)->count(),
            'income' => round((float) (clone $query)->sum('t.income'), 2),
            'expense' => round((float) (clone $query)->sum('t.expense'), 2),
        ];
    }

    private function transactionQuery(): Builder
    {
        $effectiveAccount = $this->transactionHeaderColumns()['effective_account_short']['sort'];

        return $this->db()->table('fin_transactions as t')
            ->leftJoin('fin_account_map as m', function ($join): void {
                $join->on('m.source', '=', 't.source')->on('m.source_value', '=', 't.source_value');
            })
            ->select([
                't.id',
                't.txn_date',
                't.account_short',
                't.detail',
                't.income',
                't.expense',
                't.approval_no',
                't.source',
                't.source_value',
                't.process_type',
                't.row_key',
                't.synced_at',
                't.created_at',
                't.updated_at',
            ])
            ->selectRaw($effectiveAccount . ' AS effective_account_short');
    }

    private function transactionAccountHeaderOptions(): array
    {
        $effectiveAccount = $this->transactionHeaderColumns()['effective_account_short']['sort'];

        return $this->db()->table('fin_transactions as t')
            ->leftJoin('fin_account_map as m', function ($join): void {
                $join->on('m.source', '=', 't.source')
                    ->on('m.source_value', '=', 't.source_value');
            })
            ->selectRaw($effectiveAccount . ' AS filter_value')
            ->distinct()
            ->orderBy('filter_value')
            ->pluck('filter_value')
            ->map(static fn (mixed $value): string => trim((string) $value))
            ->filter()
            ->unique()
            ->mapWithKeys(static fn (string $value): array => [$value => $value])
            ->all();
    }

    private function transactionDateHeaderOptions(): array
    {
        return $this->db()->table('fin_transactions')
            ->select('txn_date')
            ->distinct()
            ->orderByDesc('txn_date')
            ->pluck('txn_date')
            ->map(static fn (mixed $value): string => (string) $value)
            ->filter()
            ->unique()
            ->mapWithKeys(static fn (string $value): array => [$value => $value])
            ->all();
    }

    private function mapping(): array
    {
        $query = $this->db()->table('fin_account_map');
        $source = trim((string) request('mapping_source', ''));
        if ($source !== '') {
            $query->where('source', $source);
        }
        $keyword = trim((string) request('mapping_q', ''));
        if ($keyword !== '') {
            $query->where(function (Builder $builder) use ($keyword): void {
                $builder->where('source_value', 'like', '%' . $keyword . '%')
                    ->orWhere('account_short', 'like', '%' . $keyword . '%');
            });
        }
        if (request()->boolean('mapping_unmapped')) {
            $query->where(function (Builder $builder): void {
                $builder->whereNull('account_short')->orWhere('account_short', '');
            });
        }

        $headerColumns = $this->mappingHeaderColumns();
        $this->applyLedgerHeaderFilter($query, 'mapping', $headerColumns);
        $total = (clone $query)->count();
        $mapped = (clone $query)->whereNotNull('account_short')->where('account_short', '<>', '')->count();
        $sorted = $this->applyLedgerHeaderSort($query, 'mapping', $headerColumns);
        if (! $sorted) {
            $query->orderByDesc('txn_count')->orderBy('source_value');
        }

        return [
            'rows' => $query
                ->paginate(100, ['*'], 'mapping_page')->withQueryString(),
            'total' => $total,
            'mapped' => $mapped,
            'all_total' => $this->db()->table('fin_account_map')->count(),
            'all_mapped' => $this->db()->table('fin_account_map')->whereNotNull('account_short')->where('account_short', '<>', '')->count(),
            'sources' => $this->db()->table('fin_account_map')->select('source')->distinct()->orderBy('source')->pluck('source'),
        ];
    }

    private function sourceSummary(): array
    {
        $rows = $this->db()->table('fin_transactions')
            ->selectRaw('source, process_type, COUNT(*) AS rows_count, SUM(income) AS income, SUM(expense) AS expense, MIN(txn_date) AS first_date, MAX(txn_date) AS last_date')
            ->groupBy('source', 'process_type')
            ->orderBy('source')
            ->orderByDesc('rows_count')
            ->get()
            ->map(static function ($row): array {
                $data = (array) $row;
                $data['date_range'] = trim((string) ($data['first_date'] ?? '') . ' ~ ' . (string) ($data['last_date'] ?? ''));

                return $data;
            })
            ->all();

        return $this->filterAndSortHeaderRows($rows, 'sources', $this->sourceHeaderColumns());
    }

    private function meta(): array
    {
        return [
            'accounts' => $this->db()->table('fin_accounts')->count(),
            'shops' => $this->db()->table('fin_shops')->count(),
            'companies' => $this->db()->table('fin_companies')->count(),
            'opening_rows' => $this->db()->table('fin_account_opening')->count(),
            'opening_sum' => round((float) $this->db()->table('fin_account_opening')->sum('opening_balance'), 2),
            'transactions' => $this->db()->table('fin_transactions')->count(),
            'income' => round((float) $this->db()->table('fin_transactions')->sum('income'), 2),
            'expense' => round((float) $this->db()->table('fin_transactions')->sum('expense'), 2),
            'flows' => $this->db()->table('fin_daily_flows')->count(),
            'mapping_total' => $this->db()->table('fin_account_map')->count(),
            'mapping_done' => $this->db()->table('fin_account_map')->whereNotNull('account_short')->where('account_short', '<>', '')->count(),
            'last_synced_at' => $this->db()->table('fin_transactions')->max('synced_at'),
        ];
    }

    private function latestShopBalanceDate(): ?string
    {
        if (! Schema::connection($this->db()->getName())->hasTable(JushuitanShopBalanceRepository::TABLE)) {
            return null;
        }

        $latest = $this->db()->table(JushuitanShopBalanceRepository::TABLE)
            ->where('balance_date', '<=', now()->startOfDay()->subDay()->toDateString())
            ->max('balance_date');

        return $latest === null ? null : substr((string) $latest, 0, 10);
    }

    private function accountOptions(): array
    {
        return $this->db()->table('fin_accounts')
            ->select('account_short')->distinct()->orderBy('account_short')->pluck('account_short')->all();
    }

    private function manualTransactionAccountOptions(): array
    {
        return $this->db()->table('fin_accounts')
            ->select(['account_short', 'company_name'])
            ->whereNotNull('account_short')
            ->where('account_short', '<>', '')
            ->orderBy('account_short')
            ->orderBy('company_name')
            ->orderBy('id')
            ->get()
            ->groupBy('account_short')
            ->map(static function ($rows, string $accountShort): array {
                $first = $rows->first();
                $companyName = trim((string) ($first->company_name ?? ''));
                $accountCount = $rows->count();

                return [
                    'value' => $accountShort,
                    'label' => $accountShort
                        . ($companyName !== '' ? ' · ' . $companyName : '')
                        . ($accountCount > 1 ? '（' . $accountCount . ' 个账号）' : ''),
                ];
            })
            ->values()
            ->all();
    }

    private function accountFilterOptions(): array
    {
        $baseTypes = $this->db()->table('fin_accounts')
            ->whereNotNull('account_type')->where('account_type', '<>', '')
            ->distinct()->orderBy('account_type')->pluck('account_type')->all();
        $overrideTypes = $this->db()->table('fin_account_type_overrides')
            ->whereNotNull('account_type')->where('account_type', '<>', '')
            ->distinct()->orderBy('account_type')->pluck('account_type')->all();
        $types = FinanceLedgerAccountType::options($baseTypes, $overrideTypes);

        return [
            'regions' => $this->db()->table('fin_accounts')
                ->whereNotNull('region')->where('region', '<>', '')
                ->distinct()->orderBy('region')->pluck('region')->all(),
            'types' => $types,
        ];
    }

    private function accountPlanOptions(): array
    {
        return $this->db()->table('fin_accounts')
            ->whereNotNull('company_plan')
            ->where('company_plan', '<>', '')
            ->distinct()
            ->orderBy('company_plan')
            ->pluck('company_plan')
            ->map(static fn (mixed $value): string => trim((string) $value))
            ->filter()
            ->unique()
            ->values()
            ->all();
    }

    private function companyOptions(): array
    {
        return $this->db()->table('fin_companies')
            ->whereNotNull('name')
            ->pluck('name')
            ->merge(
                $this->db()->table('fin_accounts')
                    ->whereNotNull('company_name')
                    ->distinct()
                    ->pluck('company_name'),
            )
            ->map(static fn (mixed $value): string => trim((string) $value))
            ->filter()
            ->unique()
            ->sortBy(static fn (string $value): string => mb_strtolower($value))
            ->values()
            ->all();
    }

    private function applyLedgerHeaderFilter(Builder $query, string $tab, array $columns): void
    {
        $column = trim((string) request($tab . '_filter_column', ''));
        $value = trim((string) request($tab . '_filter_value', ''));
        if ($value === '' || ! isset($columns[$column])) {
            return;
        }

        $definition = $columns[$column];
        $expression = $definition['filter'] ?? $definition['sort'] ?? null;
        if (! is_string($expression) || $expression === '') {
            return;
        }

        $type = $definition['type'] ?? 'text';
        if ($type === 'number') {
            if (is_numeric($value)) {
                $query->whereRaw($expression . ' = ?', [$value]);
            }

            return;
        }

        if (in_array($type, ['enum', 'date'], true)) {
            $query->whereRaw($expression . ' = ?', [$value]);

            return;
        }

        $query->whereRaw($expression . ' LIKE ?', ['%' . $value . '%']);
    }

    private function applyLedgerHeaderSort(Builder $query, string $tab, array $columns): bool
    {
        $column = trim((string) request($tab . '_sort', ''));
        if (! isset($columns[$column])) {
            return false;
        }

        $expression = $columns[$column]['sort'] ?? null;
        if (! is_string($expression) || $expression === '') {
            return false;
        }

        $direction = strtolower((string) request($tab . '_direction', 'asc')) === 'desc' ? 'desc' : 'asc';
        $query->orderByRaw($expression . ' ' . $direction);

        return true;
    }

    private function filterAndSortHeaderRows(array $rows, string $tab, array $columns): array
    {
        $filterColumn = trim((string) request($tab . '_filter_column', ''));
        $filterValue = trim((string) request($tab . '_filter_value', ''));
        if ($filterValue !== '' && isset($columns[$filterColumn])) {
            $valueColumn = $columns[$filterColumn]['value'] ?? $filterColumn;
            $type = $columns[$filterColumn]['type'] ?? 'text';
            $rows = array_values(array_filter(
                $rows,
                static function (array $row) use ($valueColumn, $filterValue, $type): bool {
                    $value = trim((string) ($row[$valueColumn] ?? ''));
                    if ($type === 'number') {
                        return is_numeric($filterValue) && is_numeric($value) && (float) $value === (float) $filterValue;
                    }
                    if (in_array($type, ['enum', 'date'], true)) {
                        return $value === $filterValue;
                    }

                    return mb_stripos($value, $filterValue) !== false;
                },
            ));
        }

        $sortColumn = trim((string) request($tab . '_sort', ''));
        if (isset($columns[$sortColumn])) {
            $valueColumn = $columns[$sortColumn]['value'] ?? $sortColumn;
            $direction = strtolower((string) request($tab . '_direction', 'asc')) === 'desc' ? -1 : 1;
            $type = $columns[$sortColumn]['type'] ?? 'text';
            usort($rows, static function (array $left, array $right) use ($valueColumn, $direction, $type): int {
                $leftValue = $left[$valueColumn] ?? null;
                $rightValue = $right[$valueColumn] ?? null;
                if ($type === 'number') {
                    return ((float) $leftValue <=> (float) $rightValue) * $direction;
                }

                return strnatcasecmp((string) $leftValue, (string) $rightValue) * $direction;
            });
        }

        return $rows;
    }

    private function accountHeaderColumns(): array
    {
        $a = $this->queryAlias('a');
        $statusTable = $this->tableName('fin_account_statuses');
        $typeTable = $this->tableName('fin_account_type_overrides');
        $statusExpression = "COALESCE((SELECT NULLIF(s.status, '') FROM {$statusTable} s WHERE s.account_short = {$a}.account_short LIMIT 1), 'normal')";
        $typeExpression = "COALESCE((SELECT NULLIF(o.account_type, '') FROM {$typeTable} o WHERE o.account_short = {$a}.account_short LIMIT 1), NULLIF({$a}.account_type, ''), '')";
        $keepExpression = "COALESCE(NULLIF({$a}.account_should_keep, ''), CASE WHEN COALESCE({$a}.company_plan, '') = '' THEN '' WHEN {$a}.company_plan LIKE '%保留%' THEN '是' ELSE '否' END)";

        return [
            'company_name' => ['sort' => $a . '.company_name', 'type' => 'text'],
            'account_short' => ['sort' => $a . '.account_short', 'type' => 'text'],
            'account_type' => ['sort' => $typeExpression, 'type' => 'enum'],
            'account_status' => ['sort' => $statusExpression, 'type' => 'enum'],
            'region' => ['sort' => $a . '.region', 'type' => 'text'],
            'account_no' => ['sort' => $a . '.account_no', 'type' => 'text'],
            'bank_name' => ['sort' => $a . '.bank_name', 'type' => 'text'],
            'bank_city_branch' => ['sort' => $a . '.bank_city_branch', 'type' => 'text'],
            'company_plan' => ['sort' => $a . '.company_plan', 'type' => 'enum'],
            'account_should_keep' => ['sort' => $keepExpression, 'type' => 'enum'],
            'account_last4' => ['sort' => $a . '.account_last4', 'type' => 'text'],
            'single_limit' => ['sort' => "CAST({$a}.single_limit AS DECIMAL(18, 2))", 'filter' => $a . '.single_limit', 'type' => 'number'],
            'daily_limit' => ['sort' => "CAST({$a}.daily_limit AS DECIMAL(18, 2))", 'filter' => $a . '.daily_limit', 'type' => 'number'],
            'monthly_limit' => ['sort' => "CAST({$a}.monthly_limit AS DECIMAL(18, 2))", 'filter' => $a . '.monthly_limit', 'type' => 'number'],
            'yearly_limit' => ['sort' => "CAST({$a}.yearly_limit AS DECIMAL(18, 2))", 'filter' => $a . '.yearly_limit', 'type' => 'number'],
            'current_balance' => ['sort' => $a . '.current_balance', 'type' => 'number'],
            'daily_available' => ['sort' => $a . '.daily_available', 'type' => 'number'],
            'blocked_amount' => ['sort' => $a . '.blocked_amount', 'type' => 'number'],
            'daily_withdraw' => ['sort' => $a . '.daily_available', 'type' => 'number'],
            'clearing_days' => ['sort' => $a . '.clearing_days', 'type' => 'number'],
            'raise_target' => ['sort' => "CAST({$a}.raise_target AS DECIMAL(18, 2))", 'filter' => $a . '.raise_target', 'type' => 'number'],
            'raise_status' => ['sort' => $a . '.raise_status', 'type' => 'text'],
            'raise_actions' => ['sort' => $a . '.raise_actions', 'type' => 'text'],
            'done_actions' => ['sort' => $a . '.done_actions', 'type' => 'text'],
            'next_action' => ['sort' => $a . '.next_action', 'type' => 'text'],
            'remark' => ['sort' => $a . '.remark', 'type' => 'text'],
            'owner' => ['sort' => $a . '.owner', 'type' => 'text'],
        ];
    }

    private function shopHeaderColumns(): array
    {
        return [
            'platform' => ['sort' => 'platform', 'type' => 'text'],
            'shop_name' => ['sort' => 'shop_name', 'type' => 'text'],
            'company_name' => ['sort' => 'company_name', 'type' => 'text'],
            'account_short' => ['sort' => 'account_short', 'type' => 'text'],
            'status' => ['sort' => 'status', 'type' => 'text'],
            'payout_account' => ['sort' => 'payout_account', 'type' => 'text'],
            'shop_balance' => ['sort' => 'shop_balance', 'type' => 'number'],
            'remark' => ['sort' => 'remark', 'type' => 'text'],
        ];
    }

    private function flowHeaderColumns(): array
    {
        return [
            'flow_date' => ['sort' => 'flow_date', 'type' => 'date'],
            'company_name' => ['sort' => 'company_name', 'type' => 'text'],
            'account_short' => ['sort' => 'account_short', 'type' => 'text'],
            'opening_balance' => ['sort' => 'opening_balance', 'type' => 'number'],
            'inflow' => ['sort' => 'inflow', 'type' => 'number'],
            'outflow' => ['sort' => 'outflow', 'type' => 'number'],
            'closing_balance' => ['sort' => 'closing_balance', 'type' => 'number'],
            'remark' => ['sort' => 'remark', 'type' => 'text'],
        ];
    }

    private function transactionHeaderColumns(): array
    {
        $t = $this->queryAlias('t');
        $m = $this->queryAlias('m');
        $effectiveAccount = "COALESCE(NULLIF({$m}.account_short, ''), NULLIF({$t}.account_short, ''), '未匹配')";

        return [
            'txn_date' => ['sort' => $t . '.txn_date', 'type' => 'date'],
            'effective_account_short' => ['sort' => $effectiveAccount, 'type' => 'text'],
            'detail' => ['sort' => $t . '.detail', 'type' => 'text'],
            'source' => ['sort' => $t . '.source', 'type' => 'enum'],
            'income' => ['sort' => $t . '.income', 'type' => 'number'],
            'expense' => ['sort' => $t . '.expense', 'type' => 'number'],
            'approval_no' => ['sort' => $t . '.approval_no', 'type' => 'text'],
        ];
    }

    private function mappingHeaderColumns(): array
    {
        $mappingStatus = "CASE WHEN COALESCE(account_short, '') = '' THEN 'unmapped' ELSE 'mapped' END";

        return [
            'source' => ['sort' => 'source', 'type' => 'enum'],
            'source_value' => ['sort' => 'source_value', 'type' => 'text'],
            'txn_count' => ['sort' => 'txn_count', 'type' => 'number'],
            'income_sum' => ['sort' => 'income_sum', 'type' => 'number'],
            'expense_sum' => ['sort' => 'expense_sum', 'type' => 'number'],
            'account_short' => ['sort' => 'account_short', 'type' => 'text'],
            'mapping_status' => ['sort' => $mappingStatus, 'type' => 'enum'],
        ];
    }

    private function sourceHeaderColumns(): array
    {
        return [
            'source' => ['value' => 'source', 'type' => 'enum'],
            'process_type' => ['value' => 'process_type', 'type' => 'text'],
            'rows_count' => ['value' => 'rows_count', 'type' => 'number'],
            'income' => ['value' => 'income', 'type' => 'number'],
            'expense' => ['value' => 'expense', 'type' => 'number'],
            'date_range' => ['value' => 'date_range', 'type' => 'text'],
        ];
    }

    private function db()
    {
        return DB::connection((string) config('upstream_mirrors.connection', 'business_mirror'));
    }

    private function tableName(string $table): string
    {
        return $this->db()->getTablePrefix() . $table;
    }

    private function queryAlias(string $alias): string
    {
        return $this->db()->getTablePrefix() . $alias;
    }
}