<?php

namespace app\adminapi\lists\doctor;

use app\adminapi\lists\BaseAdminDataLists;
use app\common\model\DiagnosisViewRecord;
use app\common\model\doctor\Appointment;
use app\common\model\tcm\Prescription;
use app\common\model\auth\AdminRole;
use app\common\lists\ListsExtendInterface;
use app\common\lists\ListsSearchInterface;

/**
 * 医生预约列表
 * Class AppointmentLists
 * @package app\adminapi\lists\doctor
 */
class AppointmentLists extends BaseAdminDataLists implements ListsSearchInterface, ListsExtendInterface
{
    /**
     * @notes 设置搜索条件
     * @return array
     */
    public function setSearch(): array
    {
        return [];
    }

    /**
     * @notes 获取列表
     * @return array
     */
    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');
        
        // 处理患者姓名搜索
        if (!empty($this->params['patient_name'])) {
            $this->searchWhere[] = ['u.patient_name', 'like', '%' . $this->params['patient_name'] . '%'];
        }

        // 处理医生姓名搜索
        if (!empty($this->params['doctor_name'])) {
            $this->searchWhere[] = ['ad.name', 'like', '%' . $this->params['doctor_name'] . '%'];
        }

        // 处理状态搜索
        if (isset($this->params['status']) && $this->params['status'] !== '') {
            $this->searchWhere[] = ['a.status', '=', $this->params['status']];
        }

        // 处理日期范围搜索
        if (!empty($this->params['start_date']) && !empty($this->params['end_date'])) {
            $this->searchWhere[] = ['a.appointment_date', 'between', [$this->params['start_date'], $this->params['end_date']]];
        } elseif (!empty($this->params['start_date'])) {
            $this->searchWhere[] = ['a.appointment_date', '>=', $this->params['start_date']];
        } elseif (!empty($this->params['end_date'])) {
            $this->searchWhere[] = ['a.appointment_date', '<=', $this->params['end_date']];
        }

        // 诊单维度患者（挂号表 patient_id 存诊单 id）
        if (!empty($this->params['patient_id'])) {
            $this->searchWhere[] = ['a.patient_id', '=', (int) $this->params['patient_id']];
        }

        // 按接诊医生筛选（管理端医生进度看板等）
        if (!empty($this->params['doctor_id'])) {
            $this->searchWhere[] = ['a.doctor_id', '=', (int) $this->params['doctor_id']];
        }

        // 排除已取消挂号 status=2（医生进度看板等；未显式筛选「已取消」时生效）
        if ((int) ($this->params['exclude_cancelled'] ?? 0) === 1) {
            $sf = $this->params['status'] ?? '';
            if ($sf === '' || (int) $sf !== 2) {
                $this->searchWhere[] = ['a.status', '<>', 2];
            }
        }

        // 构建查询（searchWhere 为空时避免部分环境下 where([]) 异常）
        $query = Appointment::alias('a')
            ->with('diagnosis')
            ->leftJoin('tcm_diagnosis u', 'a.patient_id = u.id')
            ->leftJoin('admin ad', 'a.doctor_id = ad.id')
            ->leftJoin('admin asst', 'u.assistant_id = asst.id')
            ->field('a.*, u.patient_name as patient_name, u.phone as patient_phone, u.gender as gender, u.age as age, u.weight as weight, u.height as height, u.assistant_id as assistant_id, ad.name as doctor_name, asst.name as assistant_name, u.id as diagnosis_id');
        if ($this->searchWhere !== []) {
            $query->where($this->searchWhere);
        }

        // 是否确认诊单：1=已确认 0=未确认
        if (isset($this->params['diagnosis_confirmed']) && $this->params['diagnosis_confirmed'] !== '') {
            $confirmed = (int)$this->params['diagnosis_confirmed'];
            $tbl = (new DiagnosisViewRecord())->getTable();
            $subSql = "SELECT 1 FROM {$tbl} dvr WHERE dvr.diagnosis_id = u.id AND dvr.is_confirmed = 1 AND dvr.delete_time IS NULL";
            if ($confirmed === 1) {
                $query->whereExists($subSql);
            } else {
                $query->whereNotExists($subSql);
            }
        }
        
        // 面诊进度看板：可切换查看各医生挂号，不按当前账号角色收窄
        $progressBoard = (int) ($this->params['progress_board'] ?? 0) === 1;
        if (!$progressBoard) {
            // 如果是医生角色(role_id=1)，只显示挂自己号的预约
            if (in_array(1, $roleIds)) {
                $query->where('a.doctor_id', $this->adminId);
            }

            // 如果是医助角色(role_id=2)，只显示自己添加的患者的预约
            if (in_array(2, $roleIds)) {
                $query->where('u.assistant_id', $this->adminId);
            }
        }

        // 诊单软删除后不再展示对应挂号（leftJoin 时无诊单或诊单未删）
        $query->whereRaw('(u.id IS NULL OR u.delete_time IS NULL)');
        
        $lists = $query
            ->order('a.status', 'asc')
            ->order('a.appointment_date', 'asc')
            ->order('a.appointment_time', 'asc')
            ->limit($this->limitOffset, $this->limitLength)
            ->select()
            ->toArray();

        // 添加状态、类型描述及确认诊单状态
        $diagnosisIds = array_filter(array_unique(array_column($lists, 'diagnosis_id')));
        $confirmedMap = [];
        if (!empty($diagnosisIds)) {
            $confirmedIds = \think\facade\Db::name('diagnosis_view_records')
                ->whereIn('diagnosis_id', $diagnosisIds)
                ->where('is_confirmed', 1)
                ->whereNull('delete_time')
                ->column('diagnosis_id');
            $confirmedMap = array_flip($confirmedIds ?: []);
        }
        // 开方状态：诊单是否有处方（按 diagnosis_id 查）
        // prescription_today_only=1：仅统计「今日创建」的处方（医生进度看板用，与历史处方区分）
        $rxTodayOnly = (int) ($this->params['prescription_today_only'] ?? 0) === 1;
        $prescribedDiagnosisIds = [];
        if (!empty($diagnosisIds)) {
            $rxQ = Prescription::whereIn('diagnosis_id', $diagnosisIds)
                ->whereNull('delete_time')
                ->where('void_status', 0);
            if ($rxTodayOnly) {
                $dayStart = strtotime(date('Y-m-d 00:00:00'));
                $dayEnd = strtotime(date('Y-m-d 23:59:59'));
                $rxQ->whereBetween('create_time', [$dayStart, $dayEnd]);
            }
            $prescribedDiagnosisIds = $rxQ->column('diagnosis_id');
            $prescribedDiagnosisIds = array_flip($prescribedDiagnosisIds ?: []);
        }
        // 当前页预约关联的处方（按 appointment_id，取最新一条）：用于「开方/查看」与审核状态
        $appointmentIds = array_filter(array_map('intval', array_column($lists, 'id')));
        $rxByAppointmentId = [];
        if (!empty($appointmentIds)) {
            $rxRows = Prescription::whereIn('appointment_id', $appointmentIds)
                ->whereNull('delete_time')
                ->where('void_status', 0)
                ->order('id', 'desc')
                ->field(['id', 'appointment_id', 'audit_status', 'void_status', 'is_system_auto'])
                ->select()
                ->toArray();
            foreach ($rxRows as $rx) {
                $aid = (int) ($rx['appointment_id'] ?? 0);
                if ($aid > 0 && !isset($rxByAppointmentId[$aid])) {
                    $rxByAppointmentId[$aid] = $rx;
                }
            }
        }
        foreach ($lists as &$item) {
            $statusMap = [
                1 => '已预约',
                2 => '已取消',
                3 => '已完成',
                4 => '已过号',
            ];
            $item['status_desc'] = $statusMap[$item['status']] ?? '未知';

            $typeMap = [
                'video' => '视频问诊',
                'text' => '图文问诊',
                'phone' => '电话问诊',
            ];
            $item['appointment_type_desc'] = $typeMap[$item['appointment_type']] ?? '未知';

            $item['diagnosis_confirmed'] = isset($confirmedMap[$item['diagnosis_id'] ?? 0]) ? 1 : 0;
            $item['has_prescription'] = isset($prescribedDiagnosisIds[$item['diagnosis_id'] ?? 0]) ? 1 : 0;

            $apptId = (int) ($item['id'] ?? 0);
            $apptRx = $rxByAppointmentId[$apptId] ?? null;
            $item['prescription_audit_status'] = $apptRx !== null ? (int) ($apptRx['audit_status'] ?? -1) : -1;
            $item['prescription_void_status'] = $apptRx !== null ? (int) ($apptRx['void_status'] ?? 0) : 0;
            $item['prescription_is_system_auto'] = $apptRx !== null ? (int) ($apptRx['is_system_auto'] ?? 0) : 0;

            // 格式化时间戳为日期时间
            if (isset($item['create_time']) && is_numeric($item['create_time'])) {
                $item['create_time'] = date('Y-m-d H:i:s', $item['create_time']);
            }
            if (isset($item['update_time']) && is_numeric($item['update_time'])) {
                $item['update_time'] = date('Y-m-d H:i:s', $item['update_time']);
            }
        }

        return $lists;
    }

    /**
     * 列表 count / Tab 角标统计共用的过滤条件（不依赖 lists() 对 searchWhere 的副作用）
     * @param mixed $query
     * @param bool $applyStatusFilter 为 false 时按状态分组统计各 Tab 数量
     */
    private function applyAppointmentCountFilters($query, bool $applyStatusFilter): void
    {
        $roleIds = AdminRole::where('admin_id', $this->adminId)->column('role_id');

        if (!empty($this->params['patient_name'])) {
            $query->where('u.patient_name', 'like', '%' . $this->params['patient_name'] . '%');
        }
        if (!empty($this->params['doctor_name'])) {
            $query->where('ad.name', 'like', '%' . $this->params['doctor_name'] . '%');
        }
        if ($applyStatusFilter && isset($this->params['status']) && $this->params['status'] !== '') {
            $query->where('a.status', '=', $this->params['status']);
        }
        if (!empty($this->params['start_date']) && !empty($this->params['end_date'])) {
            $query->whereBetween('a.appointment_date', [$this->params['start_date'], $this->params['end_date']]);
        } elseif (!empty($this->params['start_date'])) {
            $query->where('a.appointment_date', '>=', $this->params['start_date']);
        } elseif (!empty($this->params['end_date'])) {
            $query->where('a.appointment_date', '<=', $this->params['end_date']);
        }

        if (!empty($this->params['patient_id'])) {
            $query->where('a.patient_id', '=', (int) $this->params['patient_id']);
        }

        if (!empty($this->params['doctor_id'])) {
            $query->where('a.doctor_id', '=', (int) $this->params['doctor_id']);
        }

        if ((int) ($this->params['exclude_cancelled'] ?? 0) === 1) {
            $sf = $this->params['status'] ?? '';
            if ($sf === '' || (int) $sf !== 2) {
                $query->where('a.status', '<>', 2);
            }
        }

        if (isset($this->params['diagnosis_confirmed']) && $this->params['diagnosis_confirmed'] !== '') {
            $confirmed = (int)$this->params['diagnosis_confirmed'];
            $tbl = (new DiagnosisViewRecord())->getTable();
            $subSql = "SELECT 1 FROM {$tbl} dvr WHERE dvr.diagnosis_id = u.id AND dvr.is_confirmed = 1 AND dvr.delete_time IS NULL";
            if ($confirmed === 1) {
                $query->whereExists($subSql);
            } else {
                $query->whereNotExists($subSql);
            }
        }

        $progressBoard = (int) ($this->params['progress_board'] ?? 0) === 1;
        if (!$progressBoard) {
            if (in_array(1, $roleIds)) {
                $query->where('a.doctor_id', $this->adminId);
            }
            if (in_array(2, $roleIds)) {
                $query->where('u.assistant_id', $this->adminId);
            }
        }

        $query->whereRaw('(u.id IS NULL OR u.delete_time IS NULL)');
    }

    /**
     * @notes 获取数量
     * @return int
     */
    public function count(): int
    {
        $query = Appointment::alias('a')
            ->leftJoin('tcm_diagnosis u', 'a.patient_id = u.id')
            ->leftJoin('admin ad', 'a.doctor_id = ad.id');
        $this->applyAppointmentCountFilters($query, true);

        return (int)$query->count();
    }

    /**
     * @notes 扩展字段：按需返回各状态数量（一次 GROUP BY，替代前端 4 次列表请求）
     * @return array
     */
    public function extend(): array
    {
        if (empty($this->params['include_status_counts'])) {
            return [];
        }

        $query = Appointment::alias('a')
            ->leftJoin('tcm_diagnosis u', 'a.patient_id = u.id')
            ->leftJoin('admin ad', 'a.doctor_id = ad.id');
        $this->applyAppointmentCountFilters($query, false);

        $rows = $query->field('a.status, COUNT(*) AS cnt')
            ->group('a.status')
            ->select()
            ->toArray();

        $out = [1 => 0, 2 => 0, 3 => 0, 4 => 0];
        foreach ($rows as $r) {
            $s = (int)($r['status'] ?? 0);
            if (array_key_exists($s, $out)) {
                $out[$s] = (int)($r['cnt'] ?? 0);
            }
        }

        return ['status_count' => $out];
    }
}