<?php
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namespace app\api\controller;

use app\adminapi\logic\tcm\DiagnosisLogic;
use app\adminapi\logic\tcm\TrackingNoteLogic;
use app\adminapi\logic\ConfigLogic;
use app\common\model\tcm\Diagnosis;
use app\common\model\tcm\BloodRecord;

/**
 * 中医诊断控制器（供小程序调用）
 * Class TcmController
 * @package app\api\controller
 */
class TcmController extends BaseApiController
{
    /**
     * @notes 不需要登录的方法
     * @var array
     */
    public array $notNeedLogin = ['getPatientSignature', 'diagnosisDetail', 'getDict', 'confirmDiagnosis', 'getCardList', 'getOrderByNo', 'patientHangupVideo', 'dailyTrackingWindow', 'dailyTrackingNotes'];
    
    /**
     * @notes 获取患者签名（供小程序调用）
     * @return \think\response\Json
     */
    public function getPatientSignature()
    {
        $patientId = $this->request->get('patient_id');
        
        if (!$patientId) {
            return $this->fail('患者ID不能为空');
        }
        
        // 调用逻辑层
        $result = DiagnosisLogic::getPatientSignature($patientId);
        
        if ($result === false) {
            return $this->fail(DiagnosisLogic::getError());
        }
        
        return $this->data($result);
    }

    /**
     * @notes 患者挂断视频：后端 DeleteCloudRecording + 结束通话记录（与诊单 patient_id 校验）
     * @return \think\response\Json
     */
    public function patientHangupVideo()
    {
        $params = [
            'diagnosis_id' => (int)$this->request->post('diagnosis_id', 0),
            'patient_id' => (int)$this->request->post('patient_id', 0),
            'room_id' => trim((string)$this->request->post('room_id', '')),
        ];
        if ($params['patient_id'] <= 0) {
            return $this->fail('患者ID不能为空');
        }
        if ($params['diagnosis_id'] <= 0 && $params['room_id'] === '') {
            return $this->fail('诊单ID或房间号须至少传一项');
        }
        $result = DiagnosisLogic::patientHangupVideoCall($params);
        if ($result === false) {
            return $this->fail(DiagnosisLogic::getError());
        }

        return $this->success('已结束通话');
    }

    /**
     * @notes 获取诊单详情（供小程序调用）
     * @return \think\response\Json
     */
    public function diagnosisDetail()
    {
        $params = [
            'id' => $this->request->get('id'),
            'user_id' => $this->userId,
            'share_user_id' => $this->request->get('share_user_id', 0)
        ];
        
        if (!$params['id']) {
            return $this->fail('诊单ID不能为空');
        }
        
        try {
            $result = DiagnosisLogic::diagnosisDetailWithRecord($params);
            
            if ($result === false) {
                return $this->fail(DiagnosisLogic::getError());
            }
            
            return $this->data($result);
        } catch (\Exception $e) {
            return $this->fail($e->getMessage());
        }
    }
    
    /**
     * @notes 确认诊单（供小程序调用）
     * @return \think\response\Json
     */
    public function confirmDiagnosis()
    {
        $params = [
            'id' => $this->request->post('id'),
            'user_id' => $this->userId,
            'share_user_id' => $this->request->post('share_user', 0)
        ];
    
        if (!$params['id']) {
            return $this->fail('诊单ID不能为空');
        }
        
        try {
            $result = DiagnosisLogic::confirmDiagnosisRecord($params);
            
            if ($result === false) {
                return $this->fail(DiagnosisLogic::getError());
            }
            
            return $this->success('确认成功');
        } catch (\Exception $e) {
            return $this->fail($e->getMessage());
        }
    }
    
    /**
     * @notes 获取字典数据（供小程序调用）
     * @return \think\response\Json
     */
    public function getDict()
    {
        $type = $this->request->get('type', '');
        
        if (!$type) {
            return $this->fail('字典类型不能为空');
        }
        
        try {
            $data = ConfigLogic::getDictByType($type);
            return $this->data($data);
        } catch (\Exception $e) {
            return $this->fail($e->getMessage());
        }
    }

    /**
     * @notes 获取就诊卡列表（供小程序调用）
     * @return \think\response\Json
     */
    public function getCardList()
    {
        $user_id =$this->userId;
        
        if (!$user_id) {
            return $this->fail('患者ID不能为空');
        }
        
        try {
            $result = DiagnosisLogic::getCardList($user_id);
            
            if ($result === false) {
                return $this->fail(DiagnosisLogic::getError());
            }
            
            return $this->data($result);
        } catch (\Exception $e) {
            return $this->fail($e->getMessage());
        }
    }

    /**
     * @notes 新建就诊卡（供小程序调用）
     * @return \think\response\Json
     */
    public function addCard()
    {
        $params = [
            'user_id' => $this->userId,
            'patient_id' => $this->request->post('patient_id'),
            'patient_name' => $this->request->post('patient_name'),
            'gender' => $this->request->post('gender'),
            'age' => $this->request->post('age'),
            'id_card' => $this->request->post('id_card'),
            'height' => $this->request->post('height'),
            'weight' => $this->request->post('weight'),
            'systolic_pressure' => $this->request->post('systolic_pressure'),
            'diastolic_pressure' => $this->request->post('diastolic_pressure'),
            'fasting_blood_sugar' => $this->request->post('fasting_blood_sugar'),
            'diabetes_discovery_year' => $this->request->post('diabetes_discovery_year'),
            'local_hospital_diagnosis' => $this->request->post('local_hospital_diagnosis'),
            'local_hospital_name' => $this->request->post('local_hospital_name'),
            'local_hospital_visit_date' => $this->request->post('local_hospital_visit_date'),
            'diagnosis_date' => $this->request->post('diagnosis_date'),
            'diagnosis_type' => $this->request->post('diagnosis_type'),
            'syndrome_type' => $this->request->post('syndrome_type'),
            'diabetes_type' => $this->request->post('diabetes_type'),
            'appetite' => $this->request->post('appetite'),
            'water_intake' => $this->request->post('water_intake'),
            'diet_condition' => $this->request->post('diet_condition'),
            'weight_change' => $this->request->post('weight_change'),
            'body_feeling' => $this->request->post('body_feeling'),
            'sleep_condition' => $this->request->post('sleep_condition'),
            'eye_condition' => $this->request->post('eye_condition'),
            'head_feeling' => $this->request->post('head_feeling'),
            'sweat_condition' => $this->request->post('sweat_condition'),
            'skin_condition' => $this->request->post('skin_condition'),
            'urine_condition' => $this->request->post('urine_condition'),
            'stool_condition' => $this->request->post('stool_condition'),
            'kidney_condition' => $this->request->post('kidney_condition'),
            'fatty_liver_degree' => $this->request->post('fatty_liver_degree'),
            'past_history' => $this->request->post('past_history'),
            'trauma_history' => $this->request->post('trauma_history'),
            'surgery_history' => $this->request->post('surgery_history'),
            'allergy_history' => $this->request->post('allergy_history'),
            'family_history' => $this->request->post('family_history'),
            'pregnancy_history' => $this->request->post('pregnancy_history'),
            'symptoms' => $this->request->post('symptoms'),
            'tongue_coating' => $this->request->post('tongue_coating'),
            'tongue_images' => $this->request->post('tongue_images'),
            'report_files' => $this->request->post('report_files'),
            'pulse' => $this->request->post('pulse'),
            'treatment_principle' => $this->request->post('treatment_principle'),
            'prescription' => $this->request->post('prescription'),
            'doctor_advice' => $this->request->post('doctor_advice'),
            'remark' => $this->request->post('remark')
        ];
        // patient_id 可选：不传则创建时自动生成（新患者首张就诊卡）
        try {
            $result = DiagnosisLogic::addCard($params);
            if ($result === false) {
                return $this->fail(DiagnosisLogic::getError());
            }
            return $this->success('创建成功', $result);
        } catch (\Exception $e) {
            return $this->fail($e->getMessage());
        }
    }

    /**
     * @notes 更新就诊卡（供小程序调用）
     * @return \think\response\Json
     */
    public function updateCard()
    {
        $params = [
            'id' => $this->request->post('id'),
            'patient_id' => $this->request->post('patient_id'),
            'patient_name' => $this->request->post('patient_name'),
            'gender' => $this->request->post('gender'),
            'age' => $this->request->post('age'),
            'id_card' => $this->request->post('id_card'),
            // 生命体征
            'height' => $this->request->post('height'),
            'weight' => $this->request->post('weight'),
            'systolic_pressure' => $this->request->post('systolic_pressure'),
            'diastolic_pressure' => $this->request->post('diastolic_pressure'),
            'fasting_blood_sugar' => $this->request->post('fasting_blood_sugar'),
            // 主诉
            'diabetes_discovery_year' => $this->request->post('diabetes_discovery_year'),
            'local_hospital_diagnosis' => $this->request->post('local_hospital_diagnosis'),
            'local_hospital_name' => $this->request->post('local_hospital_name'),
            'local_hospital_visit_date' => $this->request->post('local_hospital_visit_date'),
            // 诊断信息
            'diagnosis_date' => $this->request->post('diagnosis_date'),
            'diagnosis_type' => $this->request->post('diagnosis_type'),
            'syndrome_type' => $this->request->post('syndrome_type'),
            'diabetes_type' => $this->request->post('diabetes_type'),
            // 现病史字段
            'appetite' => $this->request->post('appetite'),
            'water_intake' => $this->request->post('water_intake'),
            'diet_condition' => $this->request->post('diet_condition'),
            'weight_change' => $this->request->post('weight_change'),
            'body_feeling' => $this->request->post('body_feeling'),
            'sleep_condition' => $this->request->post('sleep_condition'),
            'eye_condition' => $this->request->post('eye_condition'),
            'head_feeling' => $this->request->post('head_feeling'),
            'sweat_condition' => $this->request->post('sweat_condition'),
            'skin_condition' => $this->request->post('skin_condition'),
            'urine_condition' => $this->request->post('urine_condition'),
            'stool_condition' => $this->request->post('stool_condition'),
            'kidney_condition' => $this->request->post('kidney_condition'),
            'fatty_liver_degree' => $this->request->post('fatty_liver_degree'),
            // 既往史字段
            'past_history' => $this->request->post('past_history'),
            'trauma_history' => $this->request->post('trauma_history'),
            'surgery_history' => $this->request->post('surgery_history'),
            'allergy_history' => $this->request->post('allergy_history'),
            'family_history' => $this->request->post('family_history'),
            'pregnancy_history' => $this->request->post('pregnancy_history'),
            // 临床信息
            'symptoms' => $this->request->post('symptoms'),
            'tongue_coating' => $this->request->post('tongue_coating'),
            'tongue_images' => $this->request->post('tongue_images'),
            'report_files' => $this->request->post('report_files'),
            'pulse' => $this->request->post('pulse'),
            'treatment_principle' => $this->request->post('treatment_principle'),
            'prescription' => $this->request->post('prescription'),
            'doctor_advice' => $this->request->post('doctor_advice'),
            'remark' => $this->request->post('remark')
        ];

        if (!$params['id']) {
            return $this->fail('诊单ID不能为空');
        }

        if (!$params['patient_id']) {
            return $this->fail('患者ID不能为空');
        }
      
        try {
            $result = DiagnosisLogic::updateCard($params);
            
            if ($result === false) {
                return $this->fail(DiagnosisLogic::getError());
            }
            
            return $this->success('更新成功');
        } catch (\Exception $e) {
            return $this->fail($e->getMessage());
        }
    }

    /**
     * @notes 日常记录窗口数据（血糖血压 / 饮食 / 运动）—— 患者端
     *
     * 路由：GET /api/tcm/dailyTrackingWindow?diagnosis_id=:id&patient_id=:pid&start_date=&end_date=
     * 说明：供小程序「日常记录」页面拉取一段时间内的跟踪数据，复用后台 fetchTrackingWindow。
     *
     * @return \think\response\Json
     */
    public function dailyTrackingWindow()
    {
        $diagnosisId = (int) $this->request->get('diagnosis_id', 0);
        $patientId   = (int) $this->request->get('patient_id', 0);
        $startDate   = (string) $this->request->get('start_date', '');
        $endDate     = (string) $this->request->get('end_date', '');

        if ($diagnosisId <= 0) {
            return $this->fail('诊单ID不能为空');
        }

        try {
            // 患者端越权校验：诊单必须存在；如传入 patient_id 则须与诊单匹配
            $diagnosis = Diagnosis::where('id', $diagnosisId)->find();
            if (!$diagnosis) {
                return $this->fail('诊单不存在');
            }
            if ($patientId > 0 && (int) $diagnosis['patient_id'] !== $patientId) {
                return $this->fail('无权查看该诊单的日常记录');
            }

            $data = DiagnosisLogic::fetchTrackingWindow($diagnosisId, $startDate, $endDate);

            // 把诊断的基础信息一并返回，便于小程序展示头部摘要
            $data['diagnosis'] = [
                'id'           => (int) $diagnosis['id'],
                'patient_id'   => (int) $diagnosis['patient_id'],
                'patient_name' => (string) ($diagnosis['patient_name'] ?? ''),
                'age'          => (int) ($diagnosis['age'] ?? 0),
                'gender'       => (int) ($diagnosis['gender'] ?? 0),
            ];

            return $this->data($data);
        } catch (\Exception $e) {
            return $this->fail($e->getMessage());
        }
    }

    /**
     * @notes 日常记录-跟踪备注列表（患者端）
     *
     * 路由：GET /api/tcm/dailyTrackingNotes?diagnosis_id=:id&patient_id=:pid
     *
     * @return \think\response\Json
     */
    public function dailyTrackingNotes()
    {
        $diagnosisId = (int) $this->request->get('diagnosis_id', 0);
        $patientId   = (int) $this->request->get('patient_id', 0);

        if ($diagnosisId <= 0) {
            return $this->fail('诊单ID不能为空');
        }

        try {
            $diagnosis = Diagnosis::where('id', $diagnosisId)->find();
            if (!$diagnosis) {
                return $this->fail('诊单不存在');
            }
            if ($patientId > 0 && (int) $diagnosis['patient_id'] !== $patientId) {
                return $this->fail('无权查看该诊单的跟踪备注');
            }

            $notes = TrackingNoteLogic::getByDiagnosis($diagnosisId);
            return $this->data($notes);
        } catch (\Exception $e) {
            return $this->fail($e->getMessage());
        }
    }

    /**
     * @notes 校验当前登录患者是否拥有指定诊单（通过 diagnosis_view_records 关联）
     * @param int $diagnosisId
     * @return array{ok:bool,diagnosis?:\app\common\model\tcm\Diagnosis,error?:string}
     */
    private function ensurePatientOwnsDiagnosis(int $diagnosisId): array
    {
        if (!$this->userId) {
            return ['ok' => false, 'error' => '请先登录'];
        }
        if ($diagnosisId <= 0) {
            return ['ok' => false, 'error' => '诊单ID不能为空'];
        }

        $diagnosis = Diagnosis::where('id', $diagnosisId)->find();
        if (!$diagnosis) {
            return ['ok' => false, 'error' => '诊单不存在'];
        }

        // 通过 diagnosis_view_records 校验当前小程序用户与该诊单的归属关系
        // 该表是「就诊卡列表」的来源（参考 DiagnosisLogic::getCardList）
        $owned = \think\facade\Db::name('diagnosis_view_records')
            ->where('user_id', $this->userId)
            ->where('diagnosis_id', $diagnosisId)
            ->where('delete_time', null)
            ->find();

        if (!$owned) {
            return ['ok' => false, 'error' => '无权操作该诊单'];
        }

        return ['ok' => true, 'diagnosis' => $diagnosis];
    }

    /**
     * @notes 日常记录-获取今日已录入的血糖血压记录（患者端）
     *
     * 路由：GET /api/tcm/dailyTodayBloodRecord?diagnosis_id=:id
     *
     * 用于「日常记录」页打开「录入今日」表单时预填数据；只返回 source=1 的当天记录。
     *
     * @return \think\response\Json
     */
    public function dailyTodayBloodRecord()
    {
        $diagnosisId = (int) $this->request->get('diagnosis_id', 0);
        $check = $this->ensurePatientOwnsDiagnosis($diagnosisId);
        if (!$check['ok']) {
            return $this->fail($check['error']);
        }

        try {
            $todayStart = strtotime(date('Y-m-d 00:00:00'));
            $todayEnd   = strtotime(date('Y-m-d 23:59:59'));

            $record = BloodRecord::where('diagnosis_id', $diagnosisId)
                ->where('source', 1)
                ->where('record_date', '>=', $todayStart)
                ->where('record_date', '<=', $todayEnd)
                ->order('id', 'desc')
                ->find();

            if (!$record) {
                return $this->data(['record' => null, 'today' => date('Y-m-d')]);
            }

            $data                  = $record->toArray();
            $data['record_date']   = date('Y-m-d', (int) $data['record_date']);
            return $this->data(['record' => $data, 'today' => date('Y-m-d')]);
        } catch (\Exception $e) {
            return $this->fail($e->getMessage());
        }
    }

    /**
     * @notes 日常记录-保存今日的血糖血压记录（患者端）
     *
     * 路由：POST /api/tcm/dailySaveBloodRecord
     * 必填：diagnosis_id
     * 可选数值：fasting_blood_sugar, postprandial_blood_sugar, other_blood_sugar,
     *           systolic_pressure, diastolic_pressure
     * 可选字符串：remark
     *
     * 语义：同一天同一诊单只有一条 source=1 的记录；存在则 update，不存在则 create。
     * 日期强制为「今天」；任何 record_date 入参被忽略，避免补录历史。
     *
     * @return \think\response\Json
     */
    public function dailySaveBloodRecord()
    {
        $diagnosisId = (int) $this->request->post('diagnosis_id', 0);
        $check = $this->ensurePatientOwnsDiagnosis($diagnosisId);
        if (!$check['ok']) {
            return $this->fail($check['error']);
        }
        $diagnosis = $check['diagnosis'];

        // 解析并校验数值字段；空字符串当 null 处理
        $parseDecimal = function ($v) {
            if ($v === null || $v === '' || $v === '0' || $v === 0) return null;
            if (!is_numeric($v)) return null;
            $f = (float) $v;
            return $f > 0 ? $f : null;
        };
        $parseInt = function ($v) {
            if ($v === null || $v === '') return null;
            if (!is_numeric($v)) return null;
            $i = (int) $v;
            return $i > 0 ? $i : null;
        };

        $fasting       = $parseDecimal($this->request->post('fasting_blood_sugar'));
        $postprandial  = $parseDecimal($this->request->post('postprandial_blood_sugar'));
        $other         = $parseDecimal($this->request->post('other_blood_sugar'));
        $systolic      = $parseInt($this->request->post('systolic_pressure'));
        $diastolic     = $parseInt($this->request->post('diastolic_pressure'));
        $remark        = trim((string) $this->request->post('remark', ''));

        // 至少要填一个有效字段
        if ($fasting === null && $postprandial === null && $other === null &&
            $systolic === null && $diastolic === null && $remark === '') {
            return $this->fail('请至少填写一项血糖或血压数据');
        }

        // 边界校验，避免误录天文数字
        if ($fasting !== null && ($fasting < 0.1 || $fasting > 50)) return $this->fail('空腹血糖数值异常');
        if ($postprandial !== null && ($postprandial < 0.1 || $postprandial > 50)) return $this->fail('餐后血糖数值异常');
        if ($other !== null && ($other < 0.1 || $other > 50)) return $this->fail('其他血糖数值异常');
        if ($systolic !== null && ($systolic < 40 || $systolic > 300)) return $this->fail('收缩压数值异常');
        if ($diastolic !== null && ($diastolic < 20 || $diastolic > 200)) return $this->fail('舒张压数值异常');

        try {
            $todayStart = strtotime(date('Y-m-d 00:00:00'));
            $todayEnd   = strtotime(date('Y-m-d 23:59:59'));

            $existing = BloodRecord::where('diagnosis_id', $diagnosisId)
                ->where('source', 1)
                ->where('record_date', '>=', $todayStart)
                ->where('record_date', '<=', $todayEnd)
                ->order('id', 'desc')
                ->find();

            $payload = [
                'diagnosis_id'             => $diagnosisId,
                'patient_id'               => (int) $diagnosis['patient_id'],
                'record_date'              => $todayStart,
                'record_time'              => date('H:i'),
                'fasting_blood_sugar'      => $fasting,
                'postprandial_blood_sugar' => $postprandial,
                'other_blood_sugar'        => $other,
                'systolic_pressure'        => $systolic,
                'diastolic_pressure'       => $diastolic,
                'remark'                   => $remark,
                'source'                   => 1,
            ];

            if ($existing) {
                $payload['id'] = $existing['id'];
                BloodRecord::update($payload);
                return $this->success('已更新今日记录', ['id' => $existing['id']]);
            }

            $created = BloodRecord::create($payload);
            return $this->success('录入成功', ['id' => $created->id]);
        } catch (\Exception $e) {
            return $this->fail($e->getMessage());
        }
    }

    /**
     * @notes 日常记录-删除今日的血糖血压记录（患者端）
     *
     * 路由：POST /api/tcm/dailyDeleteBloodRecord
     * 必填：diagnosis_id, id
     *
     * 只允许删除当前用户拥有的诊单 + 当天 + source=1 的记录；其他情况一律拒绝。
     *
     * @return \think\response\Json
     */
    public function dailyDeleteBloodRecord()
    {
        $diagnosisId = (int) $this->request->post('diagnosis_id', 0);
        $recordId    = (int) $this->request->post('id', 0);
        $check = $this->ensurePatientOwnsDiagnosis($diagnosisId);
        if (!$check['ok']) {
            return $this->fail($check['error']);
        }

        if ($recordId <= 0) {
            return $this->fail('记录ID不能为空');
        }

        try {
            $todayStart = strtotime(date('Y-m-d 00:00:00'));
            $todayEnd   = strtotime(date('Y-m-d 23:59:59'));

            $record = BloodRecord::where('id', $recordId)
                ->where('diagnosis_id', $diagnosisId)
                ->where('source', 1)
                ->find();

            if (!$record) {
                return $this->fail('记录不存在或无权删除');
            }

            $ts = (int) $record['record_date'];
            if ($ts < $todayStart || $ts > $todayEnd) {
                return $this->fail('只能删除当天的记录');
            }

            BloodRecord::destroy($recordId);
            return $this->success('已删除');
        } catch (\Exception $e) {
            return $this->fail($e->getMessage());
        }
    }

    /**
     * @notes 根据订单号获取订单详情（供小程序支付页调用）
     * @return \think\response\Json
     */
    public function getOrderByNo()
    {
        $orderNo = $this->request->get('order_no', '');
        if (empty($orderNo)) {
            return $this->fail('订单号不能为空');
        }

        try {
            $order = \app\common\model\Order::where('order_no', $orderNo)->find();
            if (!$order) {
                return $this->fail('订单不存在');
            }

            $typeMap = [1 => '挂号费', 2 => '问诊费', 3 => '药品费用'];
            $statusMap = [1 => '待支付', 2 => '已支付', 3 => '已取消', 4 => '已退款'];

            return $this->data([
                'id' => $order['id'],
                'order_no' => $order['order_no'],
                'order_type' => $order['order_type'],
                'order_type_desc' => $typeMap[$order['order_type']] ?? '未知',
                'amount' => $order['amount'],
                'status' => $order['status'],
                'status_desc' => $statusMap[$order['status']] ?? '未知',
                'remark' => $order['remark'] ?? '',
                'create_time' => $order['create_time'],
            ]);
        } catch (\Exception $e) {
            return $this->fail($e->getMessage());
        }
    }
}