<?php
// +----------------------------------------------------------------------
// | saiadmin [ saiadmin快速开发框架 ]
// +----------------------------------------------------------------------
namespace plugin\saiadmin\app\logic\merchant;

use plugin\saiadmin\app\model\merchant\Merchant;
use plugin\saiadmin\app\model\merchant\MerchantDevice;
use plugin\saiadmin\app\model\system\SystemDept;
use plugin\saiadmin\app\model\system\SystemUser;
use plugin\saiadmin\basic\think\BaseLogic;
use plugin\saiadmin\exception\ApiException;
use plugin\saiadmin\service\OpenSpoutWriter;
use support\Response;
use support\think\Db;

/**
 * 商户业务逻辑
 *
 * 旧系统通过 admin_user_dependen.pid 查询直属商户；新系统将同一关系收敛为
 * sa_merchant.agent_id，并继续在所有读写操作中校验当前代理的数据边界。
 */
class MerchantLogic extends BaseLogic
{
    private const PRODUCT_CODES = [
        'vehicle' => '车载充电器',
        'k-battery' => 'K霸宝',
        'bluetooth' => '蓝牙线充',
        'power-bank' => '充电宝',
        'password' => '密码线充',
        'password-bluetooth' => '密码蓝牙线充',
    ];

    /**
     * 旧项目 device_depend_type_deal 中与当前平台产品对应的设备类型。
     */
    private const DEVICE_TYPE_NAMES = [
        1 => '充电底座',
        100 => 'K霸宝',
        101 => '充电宝',
        102 => 'K霸宝 Blue',
        103 => '密码线充',
        104 => '蓝牙线充',
        105 => '密码蓝牙线充',
        107 => '车载充电器',
    ];

    private const WRITABLE_FIELDS = [
        'name', 'store_phone', 'storefront_image', 'industry', 'region', 'address',
        'description', 'products', 'profit_method', 'profit_rate', 'contact', 'phone',
        'permissions', 'distributed', 'status', 'agent_id', 'agent_type', 'parent_merchant_id',
    ];

    public function __construct()
    {
        $this->model = new Merchant();
    }

    /**
     * 商户分页列表。
     */
    public function indexList(array $where): array
    {
        $query = $this->buildListQuery($where);
        [$orderField, $orderType] = $this->resolveOrder($where);

        $page = max(1, (int) request()->input('page', 1));
        $limit = min(100, max(1, (int) request()->input('limit', 10)));
        $result = $query->order($orderField, $orderType)->paginate([
            'page' => $page,
            'list_rows' => $limit,
        ])->toArray();

        $result['summary'] = $this->typeSummary($where);
        return $this->hydratePage($result);
    }

    /**
     * 按当前筛选条件导出全部有权访问的商户。
     */
    public function export(array $where): Response
    {
        $query = $this->buildListQuery($where);
        [$orderField, $orderType] = $this->resolveOrder($where);
        $result = $this->hydratePage([
            'data' => $query->order($orderField, $orderType)->select()->toArray(),
        ]);

        $data = [];
        foreach ($result['data'] as $row) {
            $data[] = [
                'id' => (int) $row['id'],
                'name' => $this->excelSafe($row['name']),
                'store_phone' => $this->excelSafe($row['store_phone']),
                'phone' => $this->excelSafe($row['phone']),
                'address' => $this->excelSafe($row['address']),
                'total_amount' => (float) $row['total_amount'],
                'total_income' => (float) $row['total_income'],
                'withdrawable_amount' => (float) $row['withdrawable_amount'],
                'order_count' => (int) $row['order_count'],
                'device_count' => (int) $row['device_count'],
                'yesterday_usage_rate' => (float) $row['yesterday_usage_rate'],
                'three_day_usage_rate' => (float) $row['three_day_usage_rate'],
                'seven_day_usage_rate' => (float) $row['seven_day_usage_rate'],
                'agent_name' => $this->excelSafe($row['agent_name']),
                'agent_phone' => $this->excelSafe($row['agent_phone']),
                'profit_user_name' => $this->excelSafe($row['profit_user_name']),
                'profit_user_phone' => $this->excelSafe($row['profit_user_phone']),
                'profit_method' => $row['profit_method'],
                'profit_rate' => (float) $row['profit_rate'],
                'region' => $this->excelSafe($row['region']),
                'industry' => $this->excelSafe($row['industry']),
                'device_type' => $this->excelSafe($row['device_type']),
                'distributed' => (int) $row['distributed'] === 1 ? '已铺货' : '未铺货',
                'status' => (int) $row['status'] === 1 ? '启用' : '停用',
                'created_at' => $row['created_at'],
            ];
        }

        $fileName = '商户数据_' . date('Ymd_His') . '.xlsx';
        $writer = new OpenSpoutWriter($fileName);
        $writer->setWidth([10, 24, 16, 16, 36, 15, 15, 15, 12, 12, 14, 14, 14, 18, 16, 18, 16, 14, 12, 24, 20, 24, 12, 10, 22]);
        $writer->setHeader([
            '商户ID', '商户名称', '商户电话', '登录手机号', '商户地址',
            '总交易额', '总收益', '可提现金额', '订单量', '设备数',
            '昨日使用率(%)', '近三天使用率(%)', '近七天使用率(%)',
            '上级代理', '代理电话', '分润人', '分润人电话', '分成方式', '分润比例(%)',
            '城市区域', '行业分类', '设备类型', '铺货状态', '商户状态', '创建时间',
        ]);
        $writer->setData($data);

        return response()->download($writer->returnFile(), urlencode($fileName));
    }

    /**
     * 读取一个当前用户有权访问的商户。
     */
    public function readAccessible(int $id): array
    {
        return $this->formatMerchant($this->findAccessible($id)->toArray(), $this->userMapForMerchant($id));
    }

    /**
     * 新建直属商户。
     */
    public function addMerchant(array $data): int
    {
        $payload = $this->sanitize($data);
        $payload['agent_id'] = $this->resolveAgentId((int) ($data['agent_id'] ?? 0));
        $payload['parent_merchant_id'] = $this->resolveParentMerchantId(
            (int) ($data['parent_merchant_id'] ?? 0)
        );
        if ($payload['parent_merchant_id'] !== null) {
            $parent = $this->findAccessible((int) $payload['parent_merchant_id']);
            $payload['agent_id'] = (int) $parent->agent_id;
        }
        $this->assertPhoneUnique($payload['phone']);
        $payload['password'] = password_hash((string) $data['password'], PASSWORD_DEFAULT);

        return (int) $this->add($payload);
    }

    /**
     * 修改商户基础资料和分润资料。
     */
    public function editMerchant(int $id, array $data): bool
    {
        $model = $this->findAccessible($id);
        $payload = $this->sanitize($data);
        unset($payload['parent_merchant_id']);
        if ($this->currentAdminId() !== 1) {
            unset($payload['agent_id']);
        } elseif (isset($payload['agent_id'])) {
            $payload['agent_id'] = $this->resolveAgentId((int) $payload['agent_id']);
        }
        $this->assertPhoneUnique($payload['phone'], $id);

        return $model->save($payload) !== false;
    }

    /**
     * 重置商户登录密码。
     */
    public function resetPassword(int $id, string $password): bool
    {
        $model = $this->findAccessible($id);
        return $model->save(['password' => password_hash($password, PASSWORD_DEFAULT)]) !== false;
    }

    /**
     * 查询商户当前绑定的设备。
     */
    public function boundDevices(int $merchantId): array
    {
        $this->findAccessible($merchantId);
        $bindings = Db::table('sa_merchant_device_binding')
            ->where('merchant_id', $merchantId)
            ->order('bind_time', 'desc')
            ->select()
            ->toArray();
        if ($bindings === []) {
            return [];
        }

        $deviceIds = array_map('intval', array_column($bindings, 'device_id'));
        $devices = MerchantDevice::whereIn('id', $deviceIds)->select()->toArray();
        $deviceMap = [];
        foreach ($devices as $device) {
            $deviceMap[(int) $device['id']] = $device;
        }

        $result = [];
        foreach ($bindings as $binding) {
            $device = $deviceMap[(int) $binding['device_id']] ?? [];
            $type = (int) ($device['goods_type'] ?? $binding['depend_type'] ?? 0);
            $result[] = [
                'id' => (int) $binding['device_id'],
                'name' => (string) ($device['goods_name'] ?? ''),
                'sn' => (string) $binding['device_sn'],
                'device_code' => (string) ($device['device_code'] ?? ''),
                'model' => (string) ($device['model'] ?? ''),
                'type' => $type,
                'type_name' => self::DEVICE_TYPE_NAMES[$type] ?? '其他设备',
                'status' => (int) ($device['status'] ?? 0),
                'status_name' => $this->deviceStatusName((int) ($device['status'] ?? 0)),
                'online_status' => (int) ($device['device_status'] ?? 0),
                'bind_time' => (string) $binding['bind_time'],
            ];
        }
        return $result;
    }

    /**
     * 将设备绑定到商户。
     *
     * 迁移自旧系统 Store::bindZuo2Store：校验设备存在和管理权，阻止设备重复铺货，
     * 写入当前关系及铺货流水，并同步商户设备数与铺货状态。
     */
    public function bindDevices(int $merchantId, array $deviceSns): array
    {
        $merchant = $this->findAccessible($merchantId);
        $sns = $this->normalizeDeviceSns($deviceSns);
        $operatorId = $this->currentAdminId();

        return $this->transaction(function () use ($merchant, $merchantId, $sns, $operatorId) {
            $deviceRows = Db::table('sa_device')
                ->whereIn('goods_sn', $sns)
                ->whereNull('delete_time')
                ->lock(true)
                ->select()
                ->toArray();
            $deviceMap = [];
            foreach ($deviceRows as $device) {
                $deviceMap[(string) $device['goods_sn']] = $device;
            }

            $deviceIds = array_map('intval', array_column($deviceRows, 'id'));
            $bindingMap = [];
            if ($deviceIds !== []) {
                $bindingRows = Db::table('sa_merchant_device_binding')
                    ->whereIn('device_id', $deviceIds)
                    ->lock(true)
                    ->select()
                    ->toArray();
                foreach ($bindingRows as $binding) {
                    $bindingMap[(int) $binding['device_id']] = $binding;
                }
            }

            $now = date('Y-m-d H:i:s');
            $bindings = [];
            $records = [];
            $success = [];
            $alreadyBound = [];
            $boundElsewhere = [];
            $notFound = [];
            $notOwned = [];

            foreach ($sns as $sn) {
                if (!isset($deviceMap[$sn])) {
                    $notFound[] = $sn;
                    continue;
                }
                $device = $deviceMap[$sn];
                if ($operatorId !== 1 && (int) $device['manage_agent_id'] !== $operatorId) {
                    $notOwned[] = $sn;
                    continue;
                }

                $deviceId = (int) $device['id'];
                if (isset($bindingMap[$deviceId])) {
                    if ((int) $bindingMap[$deviceId]['merchant_id'] === $merchantId) {
                        $alreadyBound[] = $sn;
                    } else {
                        $boundElsewhere[] = $sn;
                    }
                    continue;
                }

                $type = (int) $device['goods_type'];
                $bindings[] = [
                    'device_id' => $deviceId,
                    'device_sn' => $sn,
                    'depend_type' => $type,
                    'merchant_id' => $merchantId,
                    'status' => 1,
                    'operator_id' => $operatorId,
                    'bind_time' => $now,
                    'create_time' => $now,
                    'update_time' => $now,
                ];
                $records[] = [
                    'device_id' => $deviceId,
                    'device_sn' => $sn,
                    'depend_type' => $type,
                    'merchant_id' => $merchantId,
                    'action_type' => 1,
                    'operator_id' => $operatorId,
                    'action_time' => $now,
                    'created_by' => $operatorId,
                    'create_time' => $now,
                ];
                $success[] = $sn;
            }

            if ($bindings !== []) {
                Db::table('sa_merchant_device_binding')->insertAll($bindings);
                Db::table('sa_merchant_device_binding_record')->insertAll($records);
                $this->syncMerchantDeviceSnapshot($merchant);
            }

            $message = $success === [] ? '没有可绑定的新设备' : '成功绑定 ' . count($success) . ' 台设备';
            return [
                'message' => $message,
                'bind_success_sn' => $success,
                'has_binded_sn' => $alreadyBound,
                'binded_other_store_sn' => $boundElsewhere,
                'not_find_sn' => $notFound,
                'not_owned_sn' => $notOwned,
                'all_action_sn' => $sns,
            ];
        });
    }

    /**
     * 解除设备与指定商户的绑定，并保留解绑流水。
     */
    public function unbindDevice(int $merchantId, int $deviceId): bool
    {
        $merchant = $this->findAccessible($merchantId);
        $operatorId = $this->currentAdminId();

        return (bool) $this->transaction(function () use ($merchant, $merchantId, $deviceId, $operatorId) {
            $binding = Db::table('sa_merchant_device_binding')
                ->where('device_id', $deviceId)
                ->where('merchant_id', $merchantId)
                ->lock(true)
                ->find();
            if (empty($binding)) {
                throw new ApiException('设备未绑定到当前商户');
            }

            $device = Db::table('sa_device')->where('id', $deviceId)->whereNull('delete_time')->find();
            if (empty($device)) {
                throw new ApiException('设备不存在');
            }
            if ($operatorId !== 1 && (int) $device['manage_agent_id'] !== $operatorId) {
                throw new ApiException('无权解绑该设备');
            }

            $now = date('Y-m-d H:i:s');
            Db::table('sa_merchant_device_binding')
                ->where('device_id', $deviceId)
                ->where('merchant_id', $merchantId)
                ->delete();
            Db::table('sa_merchant_device_binding_record')->insert([
                'device_id' => $deviceId,
                'device_sn' => (string) $binding['device_sn'],
                'depend_type' => (int) $binding['depend_type'],
                'merchant_id' => $merchantId,
                'action_type' => 2,
                'operator_id' => $operatorId,
                'action_time' => $now,
                'created_by' => $operatorId,
                'create_time' => $now,
            ]);
            Db::table('sa_device')->where('id', $deviceId)->update([
                'is_active' => 0,
                'active_time' => null,
                'updated_by' => $operatorId,
                'update_time' => $now,
            ]);
            $this->syncMerchantDeviceSnapshot($merchant);
            return true;
        });
    }

    /**
     * 获取商户可提现金额更新方式。
     *
     * update_mode 对应旧系统 crond_money_type：0 实时更新，1 定时更新。
     * update_day 为 1 至 31；0 在定时模式下表示每月最后一天。
     */
    public function readWithdrawalSetting(int $merchantId): array
    {
        $merchant = $this->findAccessible($merchantId);
        return [
            'merchant_id' => (int) $merchant->id,
            'update_mode' => (int) ($merchant->withdraw_update_mode ?? 0),
            'update_day' => (int) ($merchant->withdraw_update_day ?? 0),
        ];
    }

    /**
     * 保存商户可提现金额更新方式。
     */
    public function updateWithdrawalSetting(int $merchantId, int $mode, int $day): bool
    {
        $merchant = $this->findAccessible($merchantId);
        if (!in_array($mode, [0, 1], true)) {
            throw new ApiException('请选择正确的更新方式');
        }
        if ($mode === 1 && ($day < 0 || $day > 31)) {
            throw new ApiException('请选择正确的更新日期');
        }

        return $merchant->save([
            'withdraw_update_mode' => $mode,
            'withdraw_update_day' => $mode === 0 ? 0 : $day,
        ]) !== false;
    }

    /**
     * 获取商户营业时间描述。
     *
     * 旧系统将营业时间作为展示文本保存，默认营业时间为 09:00-22:00。
     */
    public function readBusinessTime(int $merchantId): array
    {
        $merchant = $this->findAccessible($merchantId);
        $businessTime = trim((string) ($merchant->business_time_des ?? ''));

        return [
            'merchant_id' => (int) $merchant->id,
            'business_time_des' => $businessTime !== '' ? $businessTime : '09:00-22:00',
        ];
    }

    /**
     * 保存商户营业时间描述。
     */
    public function updateBusinessTime(int $merchantId, string $businessTime): bool
    {
        $merchant = $this->findAccessible($merchantId);
        $businessTime = trim($businessTime);
        if ($businessTime === '') {
            throw new ApiException('请填写营业时间');
        }
        if (mb_strlen($businessTime) > 64) {
            throw new ApiException('营业时间不能超过 64 个字符');
        }

        return $merchant->save(['business_time_des' => $businessTime]) !== false;
    }

    /**
     * 获取商户按日统计。
     *
     * 数据口径迁移自旧项目 statistics_shop_oneday：金额以分存储、按日汇总，
     * 同时保留微信、支付宝、余额三种支付方式的金额和订单量拆分。
     */
    public function statistics(int $merchantId, string $startDate = '', string $endDate = ''): array
    {
        $merchant = $this->findAccessible($merchantId);
        [$start, $end] = $this->normalizeStatisticsRange($startDate, $endDate);

        $rows = Db::table('sa_merchant_daily_statistics')
            ->where('merchant_id', $merchantId)
            ->where('stat_date', 'between', [$start, $end])
            ->order('stat_date', 'asc')
            ->select()
            ->toArray();
        $rowMap = [];
        foreach ($rows as $row) {
            $rowMap[(string) $row['stat_date']] = $row;
        }

        $daily = [];
        $summary = [
            'total_amount_cents' => 0,
            'total_income_cents' => 0,
            'total_orders' => 0,
            'usage_rate_sum' => 0.0,
        ];
        $payment = [
            'wechat' => ['amount_cents' => 0, 'orders' => 0],
            'alipay' => ['amount_cents' => 0, 'orders' => 0],
            'balance' => ['amount_cents' => 0, 'orders' => 0],
        ];

        $cursor = new \DateTimeImmutable($start);
        $lastDay = new \DateTimeImmutable($end);
        while ($cursor <= $lastDay) {
            $date = $cursor->format('Y-m-d');
            $row = $rowMap[$date] ?? [];
            $amountCents = (int) ($row['turnover_cents'] ?? 0);
            $incomeCents = (int) ($row['income_cents'] ?? 0);
            $orders = (int) ($row['order_count'] ?? 0);
            $usageRate = round((float) ($row['device_usage_rate'] ?? 0), 2);
            $wechatAmountCents = (int) ($row['wechat_turnover_cents'] ?? 0);
            $alipayAmountCents = (int) ($row['alipay_turnover_cents'] ?? 0);
            $balanceAmountCents = (int) ($row['balance_turnover_cents'] ?? 0);
            $wechatOrders = (int) ($row['wechat_order_count'] ?? 0);
            $alipayOrders = (int) ($row['alipay_order_count'] ?? 0);
            $balanceOrders = (int) ($row['balance_order_count'] ?? 0);

            $daily[] = [
                'date' => $date,
                'amount' => $this->centsToMoney($amountCents),
                'income' => $this->centsToMoney($incomeCents),
                'orders' => $orders,
                'usage_rate' => $usageRate,
                'device_count' => (int) ($row['device_count'] ?? $merchant->device_count ?? 0),
                'wechat_amount' => $this->centsToMoney($wechatAmountCents),
                'alipay_amount' => $this->centsToMoney($alipayAmountCents),
                'balance_amount' => $this->centsToMoney($balanceAmountCents),
                'wechat_orders' => $wechatOrders,
                'alipay_orders' => $alipayOrders,
                'balance_orders' => $balanceOrders,
            ];

            $summary['total_amount_cents'] += $amountCents;
            $summary['total_income_cents'] += $incomeCents;
            $summary['total_orders'] += $orders;
            $summary['usage_rate_sum'] += $usageRate;
            $payment['wechat']['amount_cents'] += $wechatAmountCents;
            $payment['wechat']['orders'] += $wechatOrders;
            $payment['alipay']['amount_cents'] += $alipayAmountCents;
            $payment['alipay']['orders'] += $alipayOrders;
            $payment['balance']['amount_cents'] += $balanceAmountCents;
            $payment['balance']['orders'] += $balanceOrders;

            $cursor = $cursor->modify('+1 day');
        }

        $dayCount = count($daily);
        return [
            'merchant' => [
                'id' => (int) $merchant->id,
                'name' => (string) $merchant->name,
            ],
            'range' => ['start_date' => $start, 'end_date' => $end, 'day_count' => $dayCount],
            'summary' => [
                'total_amount' => $this->centsToMoney($summary['total_amount_cents']),
                'total_income' => $this->centsToMoney($summary['total_income_cents']),
                'total_orders' => $summary['total_orders'],
                'average_usage_rate' => $dayCount > 0
                    ? round($summary['usage_rate_sum'] / $dayCount, 2)
                    : 0.0,
            ],
            'payment' => [
                'wechat' => [
                    'amount' => $this->centsToMoney($payment['wechat']['amount_cents']),
                    'orders' => $payment['wechat']['orders'],
                ],
                'alipay' => [
                    'amount' => $this->centsToMoney($payment['alipay']['amount_cents']),
                    'orders' => $payment['alipay']['orders'],
                ],
                'balance' => [
                    'amount' => $this->centsToMoney($payment['balance']['amount_cents']),
                    'orders' => $payment['balance']['orders'],
                ],
            ],
            'daily' => $daily,
        ];
    }

    /**
     * 导出所选时间范围内的商户每日统计明细。
     */
    public function statisticsExport(int $merchantId, string $startDate = '', string $endDate = ''): Response
    {
        $statistics = $this->statistics($merchantId, $startDate, $endDate);
        $data = [];
        foreach ($statistics['daily'] as $row) {
            $data[] = [
                'date' => $row['date'],
                'amount' => $row['amount'],
                'income' => $row['income'],
                'orders' => $row['orders'],
                'usage_rate' => $row['usage_rate'],
                'wechat_amount' => $row['wechat_amount'],
                'wechat_orders' => $row['wechat_orders'],
                'alipay_amount' => $row['alipay_amount'],
                'alipay_orders' => $row['alipay_orders'],
                'balance_amount' => $row['balance_amount'],
                'balance_orders' => $row['balance_orders'],
                'device_count' => $row['device_count'],
            ];
        }

        $safeMerchantName = preg_replace('/[\\\\\/:*?"<>|]+/u', '_', $statistics['merchant']['name']);
        $fileName = sprintf(
            '%s_数据统计_%s_%s.xlsx',
            $safeMerchantName ?: '商户',
            str_replace('-', '', $statistics['range']['start_date']),
            str_replace('-', '', $statistics['range']['end_date'])
        );
        $writer = new OpenSpoutWriter($fileName);
        $writer->setWidth([14, 14, 14, 12, 14, 14, 12, 14, 12, 14, 12, 12]);
        $writer->setHeader([
            '日期', '交易额(元)', '收益额(元)', '订单量', '使用率(%)',
            '微信金额(元)', '微信订单量', '支付宝金额(元)', '支付宝订单量',
            '余额金额(元)', '余额订单量', '设备数',
        ]);
        $writer->setData($data);

        return response()->download($writer->returnFile(), urlencode($fileName));
    }

    /**
     * 软删除商户。禁止跨代理越权删除。
     */
    public function destroyAccessible(array|int|string $ids): bool
    {
        $idList = is_array($ids) ? $ids : explode(',', (string) $ids);
        $idList = array_values(array_unique(array_filter(array_map('intval', $idList))));
        if ($idList === []) {
            throw new ApiException('请选择要删除的商户');
        }

        return (bool) $this->transaction(function () use ($idList) {
            foreach ($idList as $id) {
                $this->findAccessible($id)->delete();
            }
            return true;
        });
    }

    private function normalizeDeviceSns(array $deviceSns): array
    {
        $sns = [];
        foreach ($deviceSns as $value) {
            $sn = trim((string) $value);
            if ($sn === '') {
                continue;
            }
            if (strlen($sn) > 60) {
                throw new ApiException('设备 SN 码不能超过 60 个字符');
            }
            $sns[$sn] = $sn;
        }
        $sns = array_values($sns);
        if ($sns === []) {
            throw new ApiException('请至少输入一个设备 SN 码');
        }
        if (count($sns) > 100) {
            throw new ApiException('单次最多绑定 100 台设备');
        }
        return $sns;
    }

    private function syncMerchantDeviceSnapshot(Merchant $merchant): void
    {
        $count = Db::table('sa_merchant_device_binding')
            ->where('merchant_id', (int) $merchant->id)
            ->count();
        $merchant->save([
            'device_count' => $count,
            'distributed' => $count > 0 ? 1 : 0,
        ]);
    }

    private function deviceStatusName(int $status): string
    {
        return match ($status) {
            1 => '运营中',
            2 => '报修',
            default => '未启用',
        };
    }

    private function buildListQuery(array $where)
    {
        $query = $this->model->where('id', '>', 0);
        $this->applyDataScope(
            $query,
            (string) ($where['scope'] ?? 'own'),
            (int) ($where['agent_id'] ?? 0)
        );

        $name = trim((string) ($where['name'] ?? ''));
        if ($name !== '') {
            $query->whereLike('name', '%' . $name . '%');
        }

        $phone = trim((string) ($where['phone'] ?? ''));
        if ($phone !== '') {
            $query->where(function ($subQuery) use ($phone) {
                $subQuery->whereLike('store_phone', '%' . $phone . '%')
                    ->whereOr('phone', 'like', '%' . $phone . '%');
            });
        }

        if (($where['distributed'] ?? '') !== '') {
            $query->where('distributed', (int) $where['distributed']);
        }

        if (($where['status'] ?? '') !== '') {
            $query->where('status', (int) $where['status']);
        }

        $profitMethod = trim((string) ($where['profit_method'] ?? ''));
        if ($profitMethod !== '') {
            $query->where('profit_method', $profitMethod);
        }

        $agentType = trim((string) ($where['agent_type'] ?? ''));
        if ($agentType !== '') {
            $query->where('agent_type', $agentType);
        }

        $deviceCategory = trim((string) ($where['device_category'] ?? ''));
        if ($deviceCategory !== '' && $deviceCategory !== 'all' && isset(self::PRODUCT_CODES[$deviceCategory])) {
            $query->whereLike('products', '%"' . self::PRODUCT_CODES[$deviceCategory] . '"%');
        }

        return $query;
    }

    /**
     * 返回当前数据范围和筛选条件下的代理类型数量。
     * agent_type 本身不参与统计，避免切换分类后其它分类数量变成 0。
     */
    private function typeSummary(array $where): array
    {
        $countWhere = $where;
        $countWhere['agent_type'] = '';

        $summary = [
            'all' => $this->buildListQuery($countWhere)->count(),
            'city-partner' => 0,
            'agent' => 0,
            'salesperson' => 0,
        ];

        foreach (['city-partner', 'agent', 'salesperson'] as $type) {
            $typedWhere = $countWhere;
            $typedWhere['agent_type'] = $type;
            $summary[$type] = $this->buildListQuery($typedWhere)->count();
        }

        return array_map('intval', $summary);
    }

    private function resolveOrder(array $where): array
    {
        return match ((string) ($where['sort'] ?? 'default')) {
            'amount_desc' => ['total_amount', 'DESC'],
            'income_desc' => ['total_income', 'DESC'],
            'created_asc' => ['id', 'ASC'],
            default => ['id', 'DESC'],
        };
    }

    private function excelSafe(mixed $value): string
    {
        $value = (string) $value;
        return preg_match('/^[=+\-@]/u', $value) === 1 ? "'" . $value : $value;
    }

    private function normalizeStatisticsRange(string $startDate, string $endDate): array
    {
        if ($startDate === '' && $endDate === '') {
            $startDate = date('Y-m-01');
            $endDate = date('Y-m-d');
        }
        if (!$this->isValidDate($startDate) || !$this->isValidDate($endDate)) {
            throw new ApiException('请选择正确的统计日期');
        }

        $start = new \DateTimeImmutable($startDate);
        $end = new \DateTimeImmutable($endDate);
        if ($start > $end) {
            throw new ApiException('开始日期不能晚于结束日期');
        }
        $dayCount = (int) $start->diff($end)->days + 1;
        if ($dayCount > 366) {
            throw new ApiException('单次最多查询 366 天数据');
        }
        return [$start->format('Y-m-d'), $end->format('Y-m-d')];
    }

    private function isValidDate(string $value): bool
    {
        $date = \DateTimeImmutable::createFromFormat('!Y-m-d', $value);
        $errors = \DateTimeImmutable::getLastErrors();
        return $date !== false
            && ($errors === false || ($errors['warning_count'] === 0 && $errors['error_count'] === 0))
            && $date->format('Y-m-d') === $value;
    }

    private function centsToMoney(int $cents): string
    {
        return number_format($cents / 100, 2, '.', '');
    }

    private function sanitize(array $data): array
    {
        $payload = [];
        foreach (self::WRITABLE_FIELDS as $field) {
            if (array_key_exists($field, $data)) {
                $payload[$field] = $data[$field];
            }
        }

        foreach (['name', 'store_phone', 'storefront_image', 'industry', 'region', 'address', 'contact', 'phone', 'agent_type'] as $field) {
            if (array_key_exists($field, $payload)) {
                $payload[$field] = trim((string) $payload[$field]);
            }
        }
        $payload['description'] = (string) ($payload['description'] ?? '');
        $payload['products'] = array_values(array_unique(array_filter(array_map('strval', $payload['products'] ?? []))));
        $payload['permissions'] = array_values(array_unique(array_filter(array_map('strval', $payload['permissions'] ?? []))));
        $payload['profit_method'] = trim((string) ($payload['profit_method'] ?? ''));
        if (!in_array($payload['profit_method'], ['比例分成', '不分成', '入驻费'], true)) {
            throw new ApiException('请选择正确的分成方式');
        }
        $payload['profit_rate'] = (float) ($payload['profit_rate'] ?? 0);
        $payload['distributed'] = (int) ($payload['distributed'] ?? 0);
        $payload['status'] = (int) ($payload['status'] ?? 1);
        $payload['agent_type'] = $payload['agent_type'] !== '' ? $payload['agent_type'] : 'agent';

        return $payload;
    }

    private function assertPhoneUnique(string $phone, int $exceptId = 0): void
    {
        $query = $this->model->where('phone', $phone);
        if ($exceptId > 0) {
            $query->where('id', '<>', $exceptId);
        }
        if ($query->count() > 0) {
            throw new ApiException('该手机号码已绑定其他商户');
        }
    }

    private function resolveAgentId(int $requestedAgentId): int
    {
        $currentId = $this->currentAdminId();
        if ($currentId !== 1) {
            return $currentId;
        }

        $agentId = $requestedAgentId > 0 ? $requestedAgentId : $currentId;
        if (SystemUser::where('id', $agentId)->count() === 0) {
            throw new ApiException('直属代理不存在');
        }
        return $agentId;
    }

    private function resolveParentMerchantId(int $parentMerchantId): ?int
    {
        if ($parentMerchantId <= 0) {
            return null;
        }
        $parent = $this->findAccessible($parentMerchantId);
        if ((int) ($parent->parent_merchant_id ?? 0) > 0) {
            throw new ApiException('只能在主商户下添加分店');
        }
        return (int) $parent->id;
    }

    private function findAccessible(int $id): Merchant
    {
        $query = $this->model->where('id', $id);
        if ($this->currentAdminId() !== 1) {
            $allowedAgentIds = array_merge([$this->currentAdminId()], $this->subordinateAgentIds());
            $query->whereIn('agent_id', array_values(array_unique($allowedAgentIds)));
        }
        $model = $query->findOrEmpty();
        if ($model->isEmpty()) {
            throw new ApiException('商户不存在或无权操作');
        }
        return $model;
    }

    private function applyDataScope($query, string $scope, int $requestedAgentId): void
    {
        $currentId = $this->currentAdminId();
        if ($currentId === 1) {
            if ($requestedAgentId > 0) {
                $query->where('agent_id', $requestedAgentId);
            }
            return;
        }

        if ($scope !== 'subordinate') {
            $query->where('agent_id', $currentId);
            return;
        }

        $agentIds = $this->subordinateAgentIds();
        if ($requestedAgentId > 0) {
            $agentIds = in_array($requestedAgentId, $agentIds, true) ? [$requestedAgentId] : [];
        }
        if ($agentIds === []) {
            $query->where('agent_id', 0);
            return;
        }
        $query->whereIn('agent_id', $agentIds);
    }

    /**
     * SaiAdmin 使用部门层级表达代理上下级，等价替代旧表 admin_user_dependen.pid。
     */
    private function subordinateAgentIds(): array
    {
        $dept = $this->adminInfo['deptList'] ?? [];
        if (empty($dept['id']) || !isset($dept['level'])) {
            return [];
        }
        $levelPrefix = (string) $dept['level'] . (int) $dept['id'] . ',';
        $deptIds = SystemDept::whereLike('level', $levelPrefix . '%')->column('id');
        if ($deptIds === []) {
            return [];
        }
        return array_map('intval', SystemUser::whereIn('dept_id', $deptIds)->column('id'));
    }

    private function currentAdminId(): int
    {
        return (int) ($this->adminInfo['id'] ?? 0);
    }

    private function hydratePage(array $result): array
    {
        $rows = $result['data'] ?? [];
        $userIds = [];
        foreach ($rows as $row) {
            $userIds[] = (int) ($row['agent_id'] ?? 0);
            $userIds[] = (int) ($row['profit_user_id'] ?? 0);
        }
        $userMap = $this->loadUserMap($userIds);
        foreach ($rows as $index => $row) {
            $rows[$index] = $this->formatMerchant($row, $userMap);
        }
        $result['data'] = $rows;
        return $result;
    }

    private function userMapForMerchant(int $merchantId): array
    {
        $merchant = $this->model->where('id', $merchantId)->field('agent_id,profit_user_id')->findOrEmpty();
        if ($merchant->isEmpty()) {
            return [];
        }
        return $this->loadUserMap([(int) $merchant->agent_id, (int) $merchant->profit_user_id]);
    }

    private function loadUserMap(array $ids): array
    {
        $ids = array_values(array_unique(array_filter(array_map('intval', $ids))));
        if ($ids === []) {
            return [];
        }
        $users = SystemUser::whereIn('id', $ids)->field('id,username,realname,phone')->select()->toArray();
        $map = [];
        foreach ($users as $user) {
            $map[(int) $user['id']] = $user;
        }
        return $map;
    }

    private function formatMerchant(array $row, array $userMap): array
    {
        $agent = $userMap[(int) ($row['agent_id'] ?? 0)] ?? [];
        $profitUser = $userMap[(int) ($row['profit_user_id'] ?? 0)] ?? [];
        $products = $row['products'] ?? [];
        if (is_string($products)) {
            $products = json_decode($products, true) ?: [];
        }
        $permissions = $row['permissions'] ?? [];
        if (is_string($permissions)) {
            $permissions = json_decode($permissions, true) ?: [];
        }

        $row['products'] = $products;
        $row['permissions'] = $permissions;
        $row['device_type'] = implode('、', $products);
        $row['agent_name'] = (string) ($agent['realname'] ?? $agent['username'] ?? '');
        $row['agent_phone'] = (string) ($agent['phone'] ?? '');
        $row['profit_user_name'] = (string) ($profitUser['realname'] ?? $profitUser['username'] ?? $row['contact'] ?? '');
        $row['profit_user_phone'] = (string) ($profitUser['phone'] ?? $row['phone'] ?? '');
        $row['created_at'] = (string) ($row['create_time'] ?? '');
        unset($row['password']);
        return $row;
    }
}