#ifndef PATIENT_SERVICE_H
#define PATIENT_SERVICE_H

#include <functional>
#include <string>

#include "core/his_context.h"

namespace core {

// Patient CRUD + admission/discharge status sync.
class PatientService {
public:
    explicit PatientService(HisContext& ctx);

    size_t patientCount() const;
    const Patient* findPatient(const std::string& patientId) const;
    Patient* findPatient(const std::string& patientId);
    bool addPatient(const Patient& p);
    bool updatePatient(const std::string& patientId,
                       const std::string& name,
                       int age,
                       const std::string& gender,
                       const std::string& contact,
                       PatientStatus status = PatientStatus::Outpatient);
    bool removePatient(const std::string& patientId, std::string& outError);
    void for_eachPatient(
        const std::function<void(const std::string&, const Patient&)>& visitor) const;
    void findByName(
        const std::string& keyword,
        const std::function<void(const std::string&, const Patient&)>& visitor) const;
    void findByPatientId(
        const std::string& keyword,
        const std::function<void(const std::string&, const Patient&)>& visitor) const;

    // 通过手机号模糊搜索患者
    void findByContact(
        const std::string& keyword,
        const std::function<void(const std::string&, const Patient&)>& visitor) const;

    bool admitPatient(const std::string& wardId,
                      const std::string& patientId,
                      std::string& outBedId);

    // 创建新患者（自动生成UUID）
    Patient createPatient(const std::string& name, int age, const std::string& gender,
                         const std::string& contact, PatientStatus status = PatientStatus::Outpatient);

    bool releaseBed(const std::string& wardId, const std::string& bedId);

    bool releasePatient(const std::string& wardId, const std::string& patientId);

private:
    HisContext& ctx_;
};

} // namespace core

#endif