package managedbean.profile;

import java.io.Serializable;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;

import javax.annotation.PostConstruct;
import javax.faces.application.FacesMessage;
import javax.faces.view.ViewScoped;
import javax.inject.Named;
import javax.resource.NotSupportedException;
import javax.validation.constraints.Size;

import org.primefaces.PrimeFaces;

import TO.FamilyDoctorTO;
import TO.MedicalSpecialtyTO;
import TO.PatientTO;
import TO.PrimaryHealthCareCenterTO;
import TO.SpecialistDoctorTO;
import common.UserType;
import managedbean.common.ManagedBeanBase;
import managedbean.common.ValidationUtils;

/**
 * ManagedBEan que gestiona el registro de usuarios: Usuarios de tipo "Paciente"
 * Usuarios de tipo "Médico de Familia" usuarios de tipo "Médico especialista"
 * 
 * @author Marcos García Núñez (mgarcianun@uoc.edu)
 *
 */
@Named("RegisterUser")
@ViewScoped
public class RegisterUserMBean extends ManagedBeanBase implements Serializable {

	private static final long serialVersionUID = 1L;

	private int id;
	private String nif;
	private String name;
	private String surname;
	@Size(min = 4, message = "La contraseña debe tener al menos 4 carácteres.")
	private String password;
	private String email;
	private boolean registered;

	// private HashMap<String, String> userTypes;
	private List<UserType> userTypes;
	private String userType;
	private PrimaryHealthCareCenterTO primaryHealthCareCenter;
	private MedicalSpecialtyTO medicalSpecialty;
	private Collection<MedicalSpecialtyTO> medicalSpecialitiesList;
	private Collection<PrimaryHealthCareCenterTO> primaryHealthCareCentersList;

	public RegisterUserMBean() {

	}

	@PostConstruct
	public void init() {
		this.userTypes = new ArrayList<UserType>();
		this.userTypes.add(UserType.PATIENT);
		this.userTypes.add(UserType.FAMILY_DOCTOR);
		this.userTypes.add(UserType.SPECIALIST_DOCTOR);
		this.registered = false;

		this.userType = UserType.PATIENT.name();

		this.medicalSpecialitiesList = this.getRemoteManagerSystemAdmin().listAllMedicalSpecialities();
		this.primaryHealthCareCentersList = this.getRemoteManagerSystemAdmin().listAllCAPs();
	}

	public List<UserType> getUserTypes() {
		return userTypes;
	}

	public void onUserTypeChange() {
		switch (UserType.valueOf(this.userType)) {
		case SPECIALIST_DOCTOR:
			try {
				PrimeFaces.current().ajax().addCallbackParam("specs", true);
			} catch (Exception e) {
				this.manageException(e);
			}
			break;
		case FAMILY_DOCTOR:
			try {
				PrimeFaces.current().ajax().addCallbackParam("caps", true);
			} catch (Exception e) {
				this.manageException(e);
			}
			break;
		case ADMINISTRATOR:
		case PATIENT:
			PrimeFaces.current().ajax().addCallbackParam("pats", true);
			break;
		}
	}

	public Collection<MedicalSpecialtyTO> getMedicalSpecialtiesList() {
		return medicalSpecialitiesList;
	}

	public Collection<PrimaryHealthCareCenterTO> getPhcList() {
		return primaryHealthCareCentersList;
	}

	public boolean isPatient() {
		return (UserType.valueOf(this.userType) == UserType.PATIENT);
	}

	public boolean isFamilyDoctor() {
		return (UserType.valueOf(this.userType) == UserType.FAMILY_DOCTOR);
	}

	public boolean isSpecialistDoctor() {
		return (UserType.valueOf(this.userType) == UserType.SPECIALIST_DOCTOR);
	}

	public boolean isDoctor() {
		return (isFamilyDoctor() || isSpecialistDoctor());
	}

	public String getEmail() {
		return email;
	}

	public void setEmail(String email) {
		this.email = email;
	}

	public String getPassword() {
		return password;
	}

	public void setPassword(String password) {
		this.password = password;
	}

	public String getSurname() {
		return surname;
	}

	public void setSurname(String surname) {
		this.surname = surname;
	}

	public String getName() {
		return name;
	}

	public void setName(String name) {
		this.name = name;
	}

	public String getNif() {
		return nif;
	}

	public void setNif(String nif) {
		this.nif = nif;
	}

	public int getId() {
		return id;
	}

	public void setId(int id) {
		this.id = id;
	}

	public void addNewUser() {
		int error = 0;

		if (this.isFamilyDoctor() && this.primaryHealthCareCenter == null) {
			this.addFacesMessage(FacesMessage.SEVERITY_WARN, "Centro de atención primaria no seleccionado", "Por favor, especifique un centro de atención primaria.");
			error++;
		}
		if (this.isSpecialistDoctor() && this.medicalSpecialty == null) {
			this.addFacesMessage(FacesMessage.SEVERITY_WARN, "Especialidad médica no seleccionada", "Por favor, especifique una especialidad médica.");
			error++;
		}
		if (ValidationUtils.isValid(nif) == false) {
			this.addFacesMessage(FacesMessage.SEVERITY_WARN, "El NIF indicado no es válido", "Por favor, especifique un NIF válido.");
			error++;
		}

		if (error == 0) {
			try {
				switch (UserType.valueOf(this.userType)) {
				case PATIENT:
					PatientTO pat = this.getRemoteManagerProfile().registerPatient(id, nif, name, surname, password, email);
					this.id = pat.getId();

					break;
				case FAMILY_DOCTOR:
					FamilyDoctorTO fd = this.getRemoteManagerProfile().registerFamilyDoctor(id, nif, name, surname, password, email, this.primaryHealthCareCenter);
					this.id = fd.getId();

					break;
				case SPECIALIST_DOCTOR:
					SpecialistDoctorTO sd = this.getRemoteManagerProfile().registerSpecialistDoctor(id, nif, name, surname, password, email, this.medicalSpecialty);
					this.id = sd.getId();

					break;
				case ADMINISTRATOR:
					throw new NotSupportedException("No se soporta el registro directo de administradores.");
				}

				this.registered = true;
				this.addFacesMessage(FacesMessage.SEVERITY_INFO, "Registro realizado", "El usuario " + name + " " + surname + " se ha registrado correctamente.");

			} catch (Exception e) {
				this.manageException(e);
			}
		}
	}

	public String getUserType() {
		return userType;
	}

	public void setUserType(String userType) {
		this.userType = userType;
	}

	public MedicalSpecialtyTO getMedicalSpecialty() {
		return medicalSpecialty;
	}

	public void setMedicalSpecialty(MedicalSpecialtyTO medicalSpecialty) {
		this.medicalSpecialty = medicalSpecialty;
	}

	public PrimaryHealthCareCenterTO getPrimaryHealthCareCenter() {
		return primaryHealthCareCenter;
	}

	public void setPrimaryHealthCareCenter(PrimaryHealthCareCenterTO primaryHealthCareCenter) {
		this.primaryHealthCareCenter = primaryHealthCareCenter;
	}

	public boolean isRegistered() {
		return registered;
	}

}