<?php
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namespace app\adminapi\lists\tcm;

use app\adminapi\lists\BaseAdminDataLists;
use app\adminapi\logic\dept\DeptLogic;
use app\common\model\tcm\Diagnosis;
use app\common\model\tcm\BloodRecord;
use app\common\model\tcm\DietRecord;
use app\common\model\tcm\ExerciseRecord;
use app\common\model\DiagnosisViewRecord;
use app\common\model\Order;
use app\common\model\doctor\Appointment;
use app\common\model\tcm\Prescription;
use app\common\model\tcm\CallRecord;
use app\common\model\auth\Admin;
use app\common\model\auth\AdminDept;
use app\common\model\auth\AdminRole;
use app\common\lists\ListsSearchInterface;
use app\common\lists\Traits\HasDataScopeFilter;

/**
 * 中医辨房病因诊单列表
 * Class DiagnosisLists
 * @package app\adminapi\lists\tcm
 */
class DiagnosisLists extends BaseAdminDataLists implements ListsSearchInterface
{
    use HasDataScopeFilter;
    /**
     * @notes 设置搜索条件
     * @return array
     */
    public function setSearch(): array
    {
        return [
            '%like%' => ['patient_name'],
            '=' => ['patient_id', 'gender', 'diagnosis_type', 'syndrome_type', 'assistant_id', 'status'],
            'between_time' => ['diagnosis_date'],
        ];
    }

    /**
     * @notes 获取列表
     * @return array
     * @throws \think\db\exception\DataNotFoundException
     * @throws \think\db\exception\DbException
     * @throws \think\db\exception\ModelNotFoundException
     */
    public function lists(): array
    {
        // 获取当前管理员的角色ID
        $roleIds = AdminRole::where('admin_id', $this->adminId)->column('role_id');

        // 待分配医助筛选：assistant_id 为空或 0（放在最前面判断，便于跳过医助角色的自我过滤）
        $pendingAssign = isset($this->params['pending_assign']) && (string) $this->params['pending_assign'] === '1';
        $pendingWideSearch = $this->isPendingAssignWideKeywordSearchActive();
        // 仅「待分配列表」收窄到未分配医助；宽搜不套此池，与「全部」一致可命中已分配医助的诊单
        $narrowPendingAssignPool = $pendingAssign && !$pendingWideSearch;

        // 构建查询（待分配+关键词检索时不带诊单启用/禁用 status 条件，并弱化挂号/确认等 Tab 残留参数）
        $baseWhere = $pendingWideSearch
            ? $this->searchWhereWithoutDiagnosisStatus($this->searchWhere)
            : $this->searchWhere;
        $query = Diagnosis::where($baseWhere);

        // 医助角色(role_id=2)：仅在普通列表（非待分配、非待分配宽搜）下限制为本人诊单；待分配窄列表与宽搜均不设此限
        if (in_array(2, $roleIds) && !$pendingAssign && !$pendingWideSearch) {
            $query->where('assistant_id', $this->adminId);
        }

        // 数据权限：待分配（窄列表与宽搜）均不按 assistant 范围过滤；宽搜额外豁免以便全库关键词命中（与即时需求对齐）
        if (!$pendingAssign && !$pendingWideSearch) {
            $this->applyDataScopeByOwner($query, 'assistant_id');
        }

        // 关键字：待分配 Tab 用多字段宽搜；其它 Tab 仍为姓名/手机。
        $this->applyDiagnosisListKeywordFilter($query, $pendingAssign);

        // 待分配医助列表：assistant_id 为 NULL 或 0（宽搜不加此条件）
        if ($narrowPendingAssignPool) {
            $query->whereRaw('(assistant_id IS NULL OR assistant_id = 0)');
        }

        // 是否确认诊单：1=已确认 0=未确认（待分配+关键词检索时不限制确认态，避免搜不到）
        if (!$pendingWideSearch && isset($this->params['diagnosis_confirmed']) && $this->params['diagnosis_confirmed'] !== '') {
            $confirmed = (int)$this->params['diagnosis_confirmed'];
            $dvrTbl = (new DiagnosisViewRecord())->getTable();
            $diagTbl = (new Diagnosis())->getTable();
            $subSql = "SELECT 1 FROM {$dvrTbl} dvr WHERE dvr.diagnosis_id = {$diagTbl}.id AND dvr.is_confirmed = 1 AND dvr.delete_time IS NULL";
            if ($confirmed === 1) {
                $query->whereExists($subSql);
            } else {
                $query->whereNotExists($subSql);
            }
        }

        // 挂号日期筛选：当天/明天/后天…（待分配+关键词检索时不限制日期）
        if (!$pendingWideSearch && !empty($this->params['appointment_date'])) {
            $aptDate = addslashes($this->params['appointment_date']);
            $aptTbl = (new Appointment())->getTable();
            $diagTbl = (new Diagnosis())->getTable();
            $query->whereExists("SELECT 1 FROM {$aptTbl} apt WHERE apt.patient_id = {$diagTbl}.id AND apt.appointment_date = '{$aptDate}' AND apt.status IN (1,3,4)");
        }

        // 挂号状态：1=已挂号 0=未挂号（待分配+关键词检索时不限制）
        if (!$pendingWideSearch && isset($this->params['has_appointment']) && $this->params['has_appointment'] !== '') {
            $aptTbl = (new Appointment())->getTable();
            $diagTbl = (new Diagnosis())->getTable();
            if ((int)$this->params['has_appointment'] === 1) {
                $query->whereExists("SELECT 1 FROM {$aptTbl} apt WHERE apt.patient_id = {$diagTbl}.id AND apt.status IN (1,3,4)");
            } else {
                $query->whereNotExists("SELECT 1 FROM {$aptTbl} apt WHERE apt.patient_id = {$diagTbl}.id AND apt.status IN (1,3,4)");
            }
        }

        // 至少有一条挂号为「已完成」(status=3)（待分配+关键词检索时不限制）
        if (!$pendingWideSearch && isset($this->params['completed_appointment']) && (string) $this->params['completed_appointment'] === '1') {
            $aptTbl = (new Appointment())->getTable();
            $diagTbl = (new Diagnosis())->getTable();
            $query->whereExists("SELECT 1 FROM {$aptTbl} apt WHERE apt.patient_id = {$diagTbl}.id AND apt.status = 3");
        }

        $this->applyPendingAssignBusinessOrderMonthFilter($query);

        // 仅已开方（待分配+关键词检索时不限制）
        if (!$pendingWideSearch && isset($this->params['only_has_prescription']) && (string) $this->params['only_has_prescription'] === '1') {
            $rxTbl = (new Prescription())->getTable();
            $diagTbl = (new Diagnosis())->getTable();
            $query->whereExists("SELECT 1 FROM {$rxTbl} rx WHERE rx.diagnosis_id = {$diagTbl}.id AND rx.delete_time IS NULL");
        }

        // 医助所属部门（待分配+关键词检索时不按部门收窄）
        if (!$pendingWideSearch && isset($this->params['assistant_dept_id']) && $this->params['assistant_dept_id'] !== '' && (int) $this->params['assistant_dept_id'] > 0) {
            $rootDeptId = (int) $this->params['assistant_dept_id'];
            $deptIds    = DeptLogic::getSelfAndDescendantIds($rootDeptId);
            $deptIds    = array_values(array_filter(array_map('intval', $deptIds), static function (int $id): bool {
                return $id > 0;
            }));
            if ($deptIds === []) {
                $query->whereRaw('0 = 1');
            } else {
                $inList  = implode(',', $deptIds);
                $adTbl   = (new AdminDept())->getTable();
                $diagTbl = (new Diagnosis())->getTable();
                $query->whereExists("SELECT 1 FROM {$adTbl} ad WHERE ad.admin_id = {$diagTbl}.assistant_id AND ad.dept_id IN ({$inList})");
            }
        }

        // 按挂号状态优先级排序：已过号(4) > 已预约(1) > 已完成(3)，然后按挂号日期+时间升序
        // 若传了 appointment_date（当天/明天等筛选），只按「该日」的挂号排序与展示
        $diagTbl = (new Diagnosis())->getTable();
        $aptTbl = (new Appointment())->getTable();
        $minAptDateCond = '';
        if (!$pendingWideSearch && !empty($this->params['appointment_date'])) {
            $sortAptDate = addslashes((string) $this->params['appointment_date']);
            $minAptDateCond = " AND apt.appointment_date = '{$sortAptDate}'";
        }
        
        // 获取最早的挂号状态（用于排序优先级）
        $minAptStatusExpr = '(SELECT apt.status FROM ' . $aptTbl . ' apt WHERE apt.patient_id = ' . $diagTbl . '.id AND apt.status IN (1,3,4)' . $minAptDateCond . ' ORDER BY CASE apt.status WHEN 4 THEN 1 WHEN 1 THEN 2 WHEN 3 THEN 3 ELSE 4 END, apt.appointment_date ASC, apt.appointment_time ASC LIMIT 1)';
        
        // 获取最早的挂号时间（用于同状态内排序）
        $minAptExpr = '(SELECT MIN(CONCAT(apt.appointment_date, \' \', IFNULL(NULLIF(TRIM(apt.appointment_time), \'\'), \'00:00:00\'))) FROM ' . $aptTbl . ' apt WHERE apt.patient_id = ' . $diagTbl . '.id AND apt.status IN (1,3,4)' . $minAptDateCond . ')';

        // 「已完成」Tab：按最近一条「已完成」(status=3) 挂号日期+时间降序…
        $isCompletedTab = !$pendingWideSearch && isset($this->params['completed_appointment']) && (string) $this->params['completed_appointment'] === '1';
        if ($isCompletedTab) {
            $maxCompletedAptExpr = '(SELECT MAX(CONCAT(apt.appointment_date, \' \', IFNULL(NULLIF(TRIM(apt.appointment_time), \'\'), \'00:00:00\'))) FROM ' . $aptTbl . ' apt WHERE apt.patient_id = ' . $diagTbl . '.id AND apt.status = 3' . $minAptDateCond . ')';
            $orderRaw              = $diagTbl . '.assign_read_at IS NULL DESC, IFNULL(' . $maxCompletedAptExpr . ", '1970-01-01 00:00:00') DESC, {$diagTbl}.id DESC";
        } else {
            $orderRaw = $diagTbl . '.assign_read_at IS NULL DESC, CASE IFNULL(' . $minAptStatusExpr . ', 999) WHEN 4 THEN 1 WHEN 1 THEN 2 WHEN 3 THEN 3 ELSE 4 END ASC, IFNULL(' . $minAptExpr . ", '9999-12-31 23:59:59') ASC, {$diagTbl}.id DESC";
        }

        $lists = $query
            ->with(['DiagnosisViewRecord'])
            ->field(['id', 'patient_id', 'patient_name', 'id_card', 'phone', 'gender', 'age', 'diagnosis_date', 'diagnosis_type', 'syndrome_type', 'assistant_id', 'assign_read_at', 'status', 'create_time', 'update_time'])
            ->append(['gender_desc', 'status_desc', 'diagnosis_date_text'])
            ->orderRaw($orderRaw)
            ->limit($this->limitOffset, $this->limitLength)
            ->select()
            ->toArray();
      
        // 关联挂号：doctor_appointment.patient_id 存诊单主键 id（与 Appointment 列表 join 一致）
        $diagnosisIds = array_filter(array_unique(array_column($lists, 'id')));
        
        if (!empty($diagnosisIds)) {
            $appointmentMap = [];
            $subQuery = Appointment::where('patient_id', 'in', $diagnosisIds)
                ->where('status', 'in', [1, 3, 4]); // 1=已预约 3=已完成 4=已过号
            if (!empty($this->params['appointment_date'])) {
                $subQuery->where('appointment_date', (string) $this->params['appointment_date']);
            }
           
            $subQuery
                ->field('id, patient_id, doctor_id, appointment_date, appointment_time, status, create_time')
                ->order('appointment_date', 'asc')
                ->order('appointment_time', 'asc')
                ->order('id', 'asc');
            $appointments = $subQuery->select()->toArray();
             
            foreach ($appointments as $apt) {
                $did = (int) ($apt['patient_id'] ?? 0);
                if ($did <= 0) {
                    continue;
                }
                if (!isset($appointmentMap[$did])) {
                    $appointmentMap[$did] = [];
                }
                $appointmentMap[$did][] = $apt;
            }
          
            // 获取医生名称
            $doctorIds = [];
            foreach ($appointmentMap as $aptList) {
                foreach ($aptList as $apt) {
                    $docId = (int) ($apt['doctor_id'] ?? 0);
                    if ($docId > 0) {
                        $doctorIds[] = $docId;
                    }
                }
            }
            $doctorIds = array_values(array_unique($doctorIds));
            $doctorNames = [];
            if (!empty($doctorIds)) {
                $doctors = Admin::whereIn('id', $doctorIds)->column('name', 'id');
                $doctorNames = $doctors ?: [];
            }
            // 合并到诊单列表
            foreach ($lists as &$item) {
                $aptList = $appointmentMap[(int) $item['id']] ?? [];
                if (!empty($aptList)) {
                    $apt = $aptList[0];
                    $item['has_appointment'] = 1;
                    $item['appointment_id'] = $apt['id'];
                    $item['appointment_status'] = (int) ($apt['status'] ?? 0);
                    $item['appointment_doctor_id'] = $apt['doctor_id'];
                    $item['appointment_doctor_name'] = $doctorNames[$apt['doctor_id']] ?? '-';
                    $timePart = $apt['appointment_time'] ?? '';
                    if (strlen($timePart) > 5) {
                        $timePart = substr($timePart, 0, 5); // 09:00:00 -> 09:00
                    }
                    $item['appointment_time_text'] = trim(($apt['appointment_date'] ?? '') . ' ' . $timePart);
                    $item['appointments'] = array_map(function ($a) use ($doctorNames) {
                        $timePart = $a['appointment_time'] ?? '';
                        if (strlen((string) $timePart) > 5) {
                            $timePart = substr((string) $timePart, 0, 5);
                        }
                        $doctorId = (int) ($a['doctor_id'] ?? 0);

                        return [
                            'id' => (int) ($a['id'] ?? 0),
                            'status' => (int) ($a['status'] ?? 0),
                            'doctor_id' => $doctorId,
                            'doctor_name' => (string) ($doctorNames[$doctorId] ?? '-'),
                            'time_text' => trim((string) ($a['appointment_date'] ?? '') . ' ' . (string) $timePart),
                        ];
                    }, $aptList);
                } else {
                    $item['has_appointment'] = 0;
                    $item['appointment_id'] = null;
                    $item['appointment_status'] = 0;
                    $item['appointment_doctor_id'] = null;
                    $item['appointment_doctor_name'] = '';
                    $item['appointment_time_text'] = '';
                    $item['appointments'] = [];
                }
            }
        } else {
            foreach ($lists as &$item) {
                $item['has_appointment'] = 0;
                $item['appointment_id'] = null;
                $item['appointment_status'] = 0;
                $item['appointment_doctor_id'] = null;
                $item['appointment_doctor_name'] = '';
                $item['appointment_time_text'] = '';
                $item['appointments'] = [];
            }
        }

        // 关联是否开方：诊单是否有处方记录
        $diagnosisIds = array_column($lists, 'id');
        $prescriptionMap = [];
        if (!empty($diagnosisIds)) {
            $prescriptionTbl = (new Prescription())->getTable();
            $prescribedIds = Prescription::whereIn('diagnosis_id', $diagnosisIds)
                ->whereNull('delete_time')
                ->column('diagnosis_id');
            $prescriptionMap = array_fill_keys($prescribedIds, 1);
        }
        foreach ($lists as &$item) {
            $item['has_prescription'] = isset($prescriptionMap[$item['id']]) ? 1 : 0;
        }

        // 复诊展示：业务上「已开方」即算有复诊，取该诊单下最新一条处方的时间与医师（优先未作废）
        $followupByDiag = [];
        $rxCountByDiag = [];
        if ($diagnosisIds !== []) {
            $rxAll = Prescription::whereIn('diagnosis_id', $diagnosisIds)
                ->whereNull('delete_time')
                ->field(['id', 'diagnosis_id', 'doctor_name', 'creator_id', 'prescription_date', 'create_time', 'void_status', 'audit_status'])
                ->order('id', 'desc')
                ->select()
                ->toArray();
            foreach ($rxAll as $rx) {
                $dCount = (int) ($rx['diagnosis_id'] ?? 0);
                if ($dCount > 0) {
                    $rxCountByDiag[$dCount] = ($rxCountByDiag[$dCount] ?? 0) + 1;
                }
            }
            foreach ($rxAll as $rx) {
                $d = (int) ($rx['diagnosis_id'] ?? 0);
                if ($d <= 0 || isset($followupByDiag[$d])) {
                    continue;
                }
                if ((int) ($rx['void_status'] ?? 0) === 0) {
                    $followupByDiag[$d] = $rx;
                }
            }
            foreach ($rxAll as $rx) {
                $d = (int) ($rx['diagnosis_id'] ?? 0);
                if ($d <= 0 || isset($followupByDiag[$d])) {
                    continue;
                }
                $followupByDiag[$d] = $rx;
            }
            $creatorIds = array_values(array_unique(array_filter(array_column($followupByDiag, 'creator_id'))));
            $creatorNames = [];
            if ($creatorIds !== []) {
                $creatorNames = Admin::whereIn('id', $creatorIds)->whereNull('delete_time')->column('name', 'id');
            }
            foreach ($followupByDiag as $d => $rx) {
                $doctorName = trim((string) ($rx['doctor_name'] ?? ''));
                $cid = (int) ($rx['creator_id'] ?? 0);
                if ($doctorName === '' && $cid > 0) {
                    $doctorName = (string) ($creatorNames[$cid] ?? '');
                }
                $followupByDiag[$d] = [
                    'time_text' => $this->formatPrescriptionFollowupTime($rx),
                    'doctor_name' => $doctorName !== '' ? $doctorName : '—',
                    'voided' => (int) ($rx['void_status'] ?? 0) !== 0,
                    'void_status' => (int) ($rx['void_status'] ?? 0),
                    'audit_status' => (int) ($rx['audit_status'] ?? -1),
                ];
            }
        }
        foreach ($lists as &$item) {
            $did = (int) $item['id'];
            $fu = $followupByDiag[$did] ?? null;
            $item['followup_time_text'] = ($item['has_prescription'] && $fu) ? ($fu['time_text'] ?? '') : '';
            $item['followup_doctor_name'] = ($item['has_prescription'] && $fu) ? ($fu['doctor_name'] ?? '—') : '';
            $item['followup_rx_voided'] = ($item['has_prescription'] && $fu && !empty($fu['voided'])) ? 1 : 0;
            $item['prescription_audit_status'] = ($item['has_prescription'] && $fu) ? (int) ($fu['audit_status'] ?? -1) : -1;
            $item['prescription_void_status'] = ($item['has_prescription'] && $fu) ? (int) ($fu['void_status'] ?? 0) : 0;
            // 开方次数即复诊次数：1 张处方 = 第 1 次复诊，以此类推
            $item['followup_prescription_count'] = (int) ($rxCountByDiag[$did] ?? 0);
        }

        // 最近一条通话记录状态（列表行展示：通话中 / 已结束等）
        $latestCallByDiag = [];
        if (!empty($diagnosisIds)) {
            $agg = CallRecord::whereIn('diagnosis_id', $diagnosisIds)
                ->field('diagnosis_id, MAX(id) AS max_id')
                ->group('diagnosis_id')
                ->select()
                ->toArray();
            $maxIds = array_filter(array_column($agg, 'max_id'));
            if (!empty($maxIds)) {
                $recList = CallRecord::whereIn('id', $maxIds)->select()->toArray();
                foreach ($recList as $r) {
                    $latestCallByDiag[(int)$r['diagnosis_id']] = $r;
                }
            }
        }
        foreach ($lists as &$item) {
            $item['video_call_hint'] = $this->buildVideoCallHint($latestCallByDiag[$item['id']] ?? null);
        }
        unset($item);

        // 未服务天数：血糖 / 饮食 / 运动任一记录最近一条 record_date 为锚点
        $diagIdsForUnserved = array_values(array_filter(array_unique(array_column($lists, 'id'))));
        $maxRecordByDiag = [];
        if (!empty($diagIdsForUnserved)) {
            $maxBlood = BloodRecord::whereIn('diagnosis_id', $diagIdsForUnserved)
                ->whereNull('delete_time')
                ->group('diagnosis_id')
                ->column('MAX(record_date)', 'diagnosis_id');
            $maxDiet = DietRecord::whereIn('diagnosis_id', $diagIdsForUnserved)
                ->whereNull('delete_time')
                ->group('diagnosis_id')
                ->column('MAX(record_date)', 'diagnosis_id');
            $maxExercise = ExerciseRecord::whereIn('diagnosis_id', $diagIdsForUnserved)
                ->whereNull('delete_time')
                ->group('diagnosis_id')
                ->column('MAX(record_date)', 'diagnosis_id');
            foreach ($diagIdsForUnserved as $did) {
                $candidates = [
                    (int) ($maxBlood[$did] ?? 0),
                    (int) ($maxDiet[$did] ?? 0),
                    (int) ($maxExercise[$did] ?? 0),
                ];
                $maxRecordByDiag[$did] = max($candidates);
            }
        }
        $nowTs = time();
        foreach ($lists as &$item) {
            $last = (int) ($maxRecordByDiag[(int) $item['id']] ?? 0);
            $item['last_blood_record_at'] = $last > 0 ? date('Y-m-d', $last) : null;
            $item['unserved_days'] = $last > 0 ? max(0, (int) floor(($nowTs - $last) / 86400)) : null;
        }
        unset($item);

        return $lists;
    }

    /**
     * @param array<string,mixed> $rx 处方一行
     */
    private function formatPrescriptionFollowupTime(array $rx): string
    {
        $ct = (int) ($rx['create_time'] ?? 0);
        $pd = trim((string) ($rx['prescription_date'] ?? ''));
        if ($pd !== '') {
            return $pd . ($ct > 0 ? ' ' . date('H:i', $ct) : '');
        }

        return $ct > 0 ? date('Y-m-d H:i', $ct) : '—';
    }

    /**
     * @param array<string,mixed>|null $rec tcm_call_record 一行
     * @return array{state:string,label:string,end_time?:int,start_time?:int}
     */
    private function buildVideoCallHint(?array $rec): array
    {
        if (!$rec) {
            return ['state' => 'none', 'label' => ''];
        }
        $st = (int)($rec['status'] ?? 0);
        $roomOk = trim((string)($rec['room_id'] ?? '')) !== '';

        if ($st === 1 && $roomOk) {
            $t = (int)($rec['start_time'] ?? 0);

            return [
                'state' => 'live',
                'label' => '视频通话进行中',
                'start_time' => $t,
            ];
        }
        if ($st === 1 && !$roomOk) {
            return [
                'state' => 'pending_room',
                'label' => '通话发起中，待同步房间',
            ];
        }
        if ($st === 2) {
            $end = (int)($rec['end_time'] ?? 0);
            $timePart = $end > 0 ? date('m-d H:i', $end) : '';

            return [
                'state' => 'ended',
                'label' => $timePart !== '' ? ('视频已结束 · ' . $timePart) : '视频已结束',
                'end_time' => $end,
            ];
        }
        if ($st === 3) {
            return ['state' => 'missed', 'label' => '上次通话未接听'];
        }
        if ($st === 4) {
            return ['state' => 'cancelled', 'label' => '上次通话已取消'];
        }

        return ['state' => 'none', 'label' => ''];
    }

    /**
     * @notes 获取数量
     * @return int
     */
    public function count(): int
    {
        // 获取当前管理员的角色ID
        $roleIds = AdminRole::where('admin_id', $this->adminId)->column('role_id');

        $pendingAssign = isset($this->params['pending_assign']) && (string) $this->params['pending_assign'] === '1';

        // 构建查询
        $pendingWideSearch = $this->isPendingAssignWideKeywordSearchActive();
        $narrowPendingAssignPool = $pendingAssign && !$pendingWideSearch;
        $baseWhere = $pendingWideSearch
            ? $this->searchWhereWithoutDiagnosisStatus($this->searchWhere)
            : $this->searchWhere;
        $query = Diagnosis::where($baseWhere);

        if (in_array(2, $roleIds) && !$pendingAssign && !$pendingWideSearch) {
            $query->where('assistant_id', $this->adminId);
        }

        if (!$pendingAssign && !$pendingWideSearch) {
            $this->applyDataScopeByOwner($query, 'assistant_id');
        }

        $this->applyDiagnosisListKeywordFilter($query, $pendingAssign);

        if ($narrowPendingAssignPool) {
            $query->whereRaw('(assistant_id IS NULL OR assistant_id = 0)');
        }

        // 是否确认诊单
        if (!$pendingWideSearch && isset($this->params['diagnosis_confirmed']) && $this->params['diagnosis_confirmed'] !== '') {
            $confirmed = (int)$this->params['diagnosis_confirmed'];
            $dvrTbl = (new DiagnosisViewRecord())->getTable();
            $diagTbl = (new Diagnosis())->getTable();
            $subSql = "SELECT 1 FROM {$dvrTbl} dvr WHERE dvr.diagnosis_id = {$diagTbl}.id AND dvr.is_confirmed = 1 AND dvr.delete_time IS NULL";
            if ($confirmed === 1) {
                $query->whereExists($subSql);
            } else {
                $query->whereNotExists($subSql);
            }
        }

        // 挂号日期筛选
        if (!$pendingWideSearch && !empty($this->params['appointment_date'])) {
            $aptDate = addslashes($this->params['appointment_date']);
            $aptTbl = (new Appointment())->getTable();
            $diagTbl = (new Diagnosis())->getTable();
            $query->whereExists("SELECT 1 FROM {$aptTbl} apt WHERE apt.patient_id = {$diagTbl}.id AND apt.appointment_date = '{$aptDate}' AND apt.status IN (1,3,4)");
        }

        // 挂号状态
        if (!$pendingWideSearch && isset($this->params['has_appointment']) && $this->params['has_appointment'] !== '') {
            $aptTbl = (new Appointment())->getTable();
            $diagTbl = (new Diagnosis())->getTable();
            if ((int)$this->params['has_appointment'] === 1) {
                $query->whereExists("SELECT 1 FROM {$aptTbl} apt WHERE apt.patient_id = {$diagTbl}.id AND apt.status IN (1,3,4)");
            } else {
                $query->whereNotExists("SELECT 1 FROM {$aptTbl} apt WHERE apt.patient_id = {$diagTbl}.id AND apt.status IN (1,3,4)");
            }
        }

        // 至少有一条挂号为「已完成」(status=3)
        if (!$pendingWideSearch && isset($this->params['completed_appointment']) && (string) $this->params['completed_appointment'] === '1') {
            $aptTbl = (new Appointment())->getTable();
            $diagTbl = (new Diagnosis())->getTable();
            $query->whereExists("SELECT 1 FROM {$aptTbl} apt WHERE apt.patient_id = {$diagTbl}.id AND apt.status = 3");
        }

        // 仅已开方（待分配+关键词检索时不限制）
        if (!$pendingWideSearch && isset($this->params['only_has_prescription']) && (string) $this->params['only_has_prescription'] === '1') {
            $rxTbl = (new Prescription())->getTable();
            $diagTbl = (new Diagnosis())->getTable();
            $query->whereExists("SELECT 1 FROM {$rxTbl} rx WHERE rx.diagnosis_id = {$diagTbl}.id AND rx.delete_time IS NULL");
        }

        // 医助所属部门（待分配+关键词检索时不按部门收窄）
        if (!$pendingWideSearch && isset($this->params['assistant_dept_id']) && $this->params['assistant_dept_id'] !== '' && (int) $this->params['assistant_dept_id'] > 0) {
            $rootDeptId = (int) $this->params['assistant_dept_id'];
            $deptIds    = DeptLogic::getSelfAndDescendantIds($rootDeptId);
            $deptIds    = array_values(array_filter(array_map('intval', $deptIds), static function (int $id): bool {
                return $id > 0;
            }));
            if ($deptIds === []) {
                $query->whereRaw('0 = 1');
            } else {
                $inList  = implode(',', $deptIds);
                $adTbl   = (new AdminDept())->getTable();
                $diagTbl = (new Diagnosis())->getTable();
                $query->whereExists("SELECT 1 FROM {$adTbl} ad WHERE ad.admin_id = {$diagTbl}.assistant_id AND ad.dept_id IN ({$inList})");
            }
        }

        $this->applyPendingAssignBusinessOrderMonthFilter($query);

        return $query->count();
    }

    /**
     * 待分配 Tab 且有关键词时：放宽列表条件（与 `applyDiagnosisListKeywordFilter` 判定一致）。
     */
    private function isPendingAssignWideKeywordSearchActive(): bool
    {
        $pending = isset($this->params['pending_assign']) && (string) $this->params['pending_assign'] === '1';
        if (!$pending) {
            return false;
        }
        $wideKw = trim((string) ($this->params['pending_assign_keyword'] ?? ''));
        if ($wideKw === '') {
            $wideKw = trim((string) ($this->params['keyword'] ?? ''));
        }

        return $wideKw !== '';
    }

    /**
     * 从 `createWhere` 结果中移除诊单 `status`（启用/禁用），便于宽检索命中任意状态诊单。
     *
     * @param list<array{0:mixed,1?:mixed,2?:mixed}> $searchWhere
     * @return list<array{0:mixed,1?:mixed,2?:mixed}>
     */
    private function searchWhereWithoutDiagnosisStatus(array $searchWhere): array
    {
        $out = [];
        foreach ($searchWhere as $cond) {
            if (is_array($cond) && isset($cond[0]) && $cond[0] === 'status') {
                continue;
            }
            $out[] = $cond;
        }

        return $out;
    }

    /**
     * 列表关键字：待分配医助 Tab 为「多字段」检索（pending_assign_keyword 优先，否则回落 keyword）；
     * 其它 Tab 仍为姓名、手机。待分配 Tab 本身已不套 assistant_id 数据权限，检索可触达全部待分配诊单。
     */
    private function applyDiagnosisListKeywordFilter($query, bool $pendingAssign): void
    {
        if ($pendingAssign) {
            $wideKw = trim((string) ($this->params['pending_assign_keyword'] ?? ''));
            if ($wideKw === '') {
                $wideKw = trim((string) ($this->params['keyword'] ?? ''));
            }
            if ($wideKw !== '') {
                $this->applyPendingAssignWideKeywordSearch($query, $wideKw);
            }

            return;
        }

        if (isset($this->params['keyword']) && trim((string) $this->params['keyword']) !== '') {
            $keyword = trim((string) $this->params['keyword']);
            $query->where(function ($q) use ($keyword) {
                $q->whereLike('patient_name', '%' . $keyword . '%')
                    ->whereOr('phone', 'like', '%' . $keyword . '%');
            });
        }
    }

    /**
     * 待分配医助场景：多列模糊 + 纯数字时诊单 id / 患者号精确匹配。
     */
    private function applyPendingAssignWideKeywordSearch($query, string $keyword): void
    {
        $kw = trim($keyword);
        if ($kw === '') {
            return;
        }

        $query->where(function ($q) use ($kw) {
            $q->whereLike('patient_name', '%' . $kw . '%')
                ->whereOr('phone', 'like', '%' . $kw . '%')
                ->whereOr('id_card', 'like', '%' . $kw . '%')
                ->whereOr('remark', 'like', '%' . $kw . '%')
                ->whereOr('symptoms', 'like', '%' . $kw . '%')
                ->whereOr('current_medications', 'like', '%' . $kw . '%');
            if (preg_match('/^\d+$/', $kw)) {
                $n = (int) $kw;
                if ($n > 0) {
                    $q->whereOr('id', '=', $n)
                        ->whereOr('patient_id', '=', $n);
                }
            }
        });
    }

    /**
     * 「待分配医助」Tab：按月份筛选——诊单在指定自然月内需存在业务订单（order.patient_id = 诊单 id）
     * create_time 兼容整型时间戳与 datetime 字符串
     */
    private function applyPendingAssignBusinessOrderMonthFilter($query): void
    {
        if ($this->isPendingAssignWideKeywordSearchActive()) {
            return;
        }
        $pendingAssign = isset($this->params['pending_assign']) && (string) $this->params['pending_assign'] === '1';
        if (!$pendingAssign || empty($this->params['pending_assign_order_month'])) {
            return;
        }
        $month = trim((string) $this->params['pending_assign_order_month']);
        if (!preg_match('/^(\d{4})-(\d{2})$/', $month, $m)) {
            return;
        }
        $y  = (int) $m[1];
        $mo = (int) $m[2];
        if ($y < 1970 || $y > 2100 || $mo < 1 || $mo > 12) {
            return;
        }
        $tStart = strtotime(sprintf('%04d-%02d-01 00:00:00', $y, $mo));
        if ($tStart === false) {
            return;
        }
        $tEnd = strtotime(date('Y-m-t 23:59:59', $tStart));
        if ($tEnd === false) {
            return;
        }
        $dsStart = date('Y-m-d H:i:s', $tStart);
        $dsEnd   = date('Y-m-d H:i:s', $tEnd);

        $orderTbl = (new Order())->getTable();
        $diagTbl  = (new Diagnosis())->getTable();
        $sql      = "SELECT 1 FROM `{$orderTbl}` o WHERE o.patient_id = {$diagTbl}.id "
            . 'AND o.delete_time IS NULL AND ('
            . "(o.create_time >= {$tStart} AND o.create_time <= {$tEnd}) OR "
            . "(o.create_time >= '{$dsStart}' AND o.create_time <= '{$dsEnd}')"
            . ')';
        $query->whereExists($sql);
    }
}