entity MedicalCenter{
    String nameCenter
    String addressCenter
    Integer zipCode
    String city
    String country

    Set(Department) departments oppositeTo belongsTo
    Set(Professional) employees oppositeTo worksIn
}

entity Department{
    String nameDepartment
    String location

    MedicalCenter belongsTo oppositeTo departments
    Set(Doctor) doctors oppositeTo doctorDepartments
    Set(Nurse) nurses oppositeTo nurseDepartments
    Set(Patient) patients oppositeTo department
}

entity Patient{
    Doctor doctor oppositeTo doctorPatients
    Department department oppositeTo patients
    Set(Referal) referredDoctors oppositeTo patient

    AllocationInfo allocation oppositeTo allocationPatient
    ContactInfo contact oppositeTo contactPatient
    AdministrativeInfo administrative oppositeTo administrativePatient
    MedicalInfo medical oppositeTo medicalPatient
    SocialInfo social oppositeTo socialPatient
    PublicInfo public oppositeTo publicPatient
}

entity AllocationInfo{
    String floor
    String room

    Patient allocationPatient oppositeTo allocation
}

entity ContactInfo{
    String namePatient
    String surnamePatient
    String gender
    LocalDateTime birthDate
    String address
    String id

    Patient contactPatient oppositeTo contact
}

entity AdministrativeInfo{
    String insurance
    String accountNumber

    Patient administrativePatient oppositeTo administrative
    Set(Expense) expenses oppositeTo administrativeInfo
}

entity MedicalInfo{
    Patient medicalPatient oppositeTo medical
    Set(MedicalCase) cases oppositeTo medicalInfo
}

entity SocialInfo{
    String description

    Patient socialPatient oppositeTo social
}

entity PublicInfo{
    String bloodType
    String allergies
    String diabetes
    String foodRestrictions
    String medicineRestrictions

    Patient publicPatient oppositeTo public
}

entity Expense{
    String concept
    Integer amount
    LocalDateTime dateExpense

    AdministrativeInfo administrativeInfo oppositeTo expenses
}

entity MedicalCase{
    LocalDateTime startDate
    LocalDateTime endDate
    String medicalDescription
    String medicalId

    MedicalInfo medicalInfo oppositeTo cases
    Set(EHR) eHRs oppositeTo medicalCase
}

entity EHR{
    LocalDateTime date

    Professional createdBy oppositeTo createdEHRs
    MedicalCase medicalCase oppositeTo eHRs
}

enum Role {
    DEFAULT
    DIRECTOR
    ADMINISTRATIVE
    DOCTOR
    NURSE
    SYSTEM
}

entity Professional{
    String user
    String password
    String name
    String surname
    Role role

    Nurse asNurse oppositeTo nurseProfessional
    Doctor asDoctor oppositeTo doctorProfessional
    Director asDirector oppositeTo directorProfessional
    Administrative asAdministrative oppositeTo administrativeProfessional
    /*
    A professional can work in more than one department,
    but just in one department of the same medical center.
    */
    Set(MedicalCenter) worksIn oppositeTo employees
    Set(EHR) createdEHRs oppositeTo createdBy
}

entity Director{
    Professional directorProfessional oppositeTo asDirector
}

entity Administrative{
    Professional administrativeProfessional oppositeTo asAdministrative
}

entity Doctor{
    String medicalLicense
    /*
    status:
        - unavailable
        - available
    */
    String status

    Professional doctorProfessional oppositeTo asDoctor
    Set(Department) doctorDepartments oppositeTo doctors
    Set(Patient) doctorPatients oppositeTo doctor
    Set(Referal) referredPatients oppositeTo referred
    Set(Referal) referingPatients oppositeTo refering
    Doctor coveringDoctor oppositeTo substitutions
    Set(Doctor) substitutions oppositeTo coveringDoctor
}

entity Nurse{
    String nursingLicense

    Professional nurseProfessional oppositeTo asNurse
    Set(Department) nurseDepartments oppositeTo nurses
}

entity Referal{
    Doctor referred oppositeTo referredPatients
    Doctor refering oppositeTo referingPatients
    Patient patient oppositeTo referredDoctors
}