package eu.eudat.data.entities;


import eu.eudat.data.converters.DateToUTCConverter;
import eu.eudat.queryable.queryableentity.DataEntity;
import org.hibernate.annotations.GenericGenerator;
import org.hibernate.annotations.Type;

import javax.persistence.*;
import java.util.Date;
import java.util.List;
import java.util.Set;
import java.util.UUID;
import java.util.stream.Collectors;


@Entity
@Table(name = "\"Project\"")
@NamedEntityGraphs({
        @NamedEntityGraph(
                name = "projectRecentActivity",
                attributeNodes = {@NamedAttributeNode(value = "dmps", subgraph = "dmps")},
                subgraphs = @NamedSubgraph(name = "dmps", attributeNodes = {@NamedAttributeNode("users")})
        ),
        @NamedEntityGraph(
                name = "projectListingItem",
                attributeNodes = {@NamedAttributeNode(value = "dmps", subgraph = "dmps"), @NamedAttributeNode(value = "content")},
                subgraphs = @NamedSubgraph(name = "dmps", attributeNodes = {@NamedAttributeNode("creator"),@NamedAttributeNode("project"), @NamedAttributeNode("users")})
        )
})
public class Project implements DataEntity<Project, UUID> {

    public enum Status {
        ACTIVE((short) 1), INACTIVE((short) 0), DELETED((short) 99);

        private short value;

        private Status(short value) {
            this.value = value;
        }

        public short getValue() {
            return value;
        }

        public static Status fromInteger(int value) {
            switch (value) {
                case 0:
                    return INACTIVE;
                case 1:
                    return ACTIVE;
                case 99:
                    return DELETED;
                default:
                    throw new RuntimeException("Unsupported Project Status");
            }
        }
    }

    public enum ProjectType {
        EXTERNAL(0), INTERNAL(1);

        private Integer value;

        private ProjectType(Integer value) {
            this.value = value;
        }

        public Integer getValue() {
            return value;
        }

        public static ProjectType fromInteger(int value) {
            switch (value) {
                case 0:
                    return EXTERNAL;
                case 1:
                    return INTERNAL;
                default:
                    throw new RuntimeException("Unsupported Project Type");
            }
        }
    }

    @Id
    @GeneratedValue
    @GenericGenerator(name = "uuid2", strategy = "uuid2")
    @Column(name = "\"ID\"", updatable = false, nullable = false, columnDefinition = "BINARY(16)")
    private UUID id;


    @OneToMany(mappedBy = "project")
    private Set<DMP> dmps;


    @Column(name = "\"Label\"")
    private String label;

    @Column(name = "\"Abbreviation\"")
    private String abbreviation;

    @Type(type = "eu.eudat.configurations.typedefinition.XMLType")
    @Column(name = "\"Reference\"", columnDefinition = "xml", nullable = true)
    private String reference;

    @Column(name = "\"Uri\"")
    private String uri;

    @Type(type = "eu.eudat.configurations.typedefinition.XMLType")
    @Column(name = "\"Definition\"", columnDefinition = "xml", nullable = true)
    private String definition;


    @Column(name = "\"StartDate\"", nullable = false)
    @Convert(converter = DateToUTCConverter.class)
    private Date startdate = null;

    @Column(name = "\"EndDate\"", nullable = false)
    @Convert(converter = DateToUTCConverter.class)
    private Date enddate = null;


    @Column(name = "\"Status\"", nullable = false)
    private Short status;


    @ManyToOne(fetch = FetchType.LAZY)
    @JoinColumn(name = "\"CreationUser\"", nullable = true)
    private UserInfo creationUser;


    @Column(name = "\"Created\"")
    private Date created = null;

    @Column(name = "\"Modified\"")
    private Date modified = new Date();

    @Column(name = "\"Description\"")
    private String description;

    @Column(name = "\"Type\"")
    private Integer type;

    @OneToOne(fetch = FetchType.LAZY)
    @JoinColumn(name = "\"Content\"")
    private Content content;

    public Project() {
    }

    public Project(Project project) {
        this.id = project.getId();
    }

    public String getDescription() {
        return description;
    }

    public void setDescription(String description) {
        this.description = description;
    }


    public Short getStatus() {
        return status;
    }


    public void setStatus(Short status) {
        this.status = status;
    }


    public Date getCreated() {
        return created;
    }


    public void setCreated(Date created) {
        this.created = created;
    }


    public Date getModified() {
        return modified;
    }

    public void setModified(Date modified) {
        this.modified = modified;
    }

    public Date getStartdate() {
        return startdate;
    }

    public void setStartdate(Date startdate) {
        this.startdate = startdate;
    }

    public Date getEnddate() {
        return enddate;
    }

    public void setEnddate(Date enddate) {
        this.enddate = enddate;
    }

    public UUID getId() {
        return id;
    }

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

    public String getLabel() {
        return label;
    }

    public void setLabel(String label) {
        this.label = label;
    }

    public String getAbbreviation() {
        return abbreviation;
    }

    public void setAbbreviation(String abbreviation) {
        this.abbreviation = abbreviation;
    }

    public String getReference() {
        return reference;
    }

    public void setReference(String reference) {
        this.reference = reference;
    }

    public String getUri() {
        return uri;
    }

    public void setUri(String uri) {
        this.uri = uri;
    }

    public String getDefinition() {
        return definition;
    }

    public void setDefinition(String definition) {
        this.definition = definition;
    }


    public Set<DMP> getDmps() {
        return dmps;
    }

    public void setDmps(Set<DMP> dmps) {
        this.dmps = dmps;
    }

    public UserInfo getCreationUser() {
        return creationUser;
    }

    public void setCreationUser(UserInfo creationUser) {
        this.creationUser = creationUser;
    }

    public Integer getType() {
        return type;
    }

    public void setType(Integer type) {
        this.type = type;
    }

    public Content getContent() {
        return content;
    }

    public void setContent(Content content) {
        this.content = content;
    }

    @Override
    public void update(Project entity) {
        this.description = entity.getDescription();
        this.label = entity.getLabel();
        this.abbreviation = entity.getAbbreviation();
        this.created = entity.getCreated();
        this.definition = entity.getDefinition();
        this.dmps = entity.getDmps();
        this.enddate = entity.getEnddate();
        this.modified = new Date();
        if (entity.getContent() != null) this.content = entity.getContent();
    }

    @Override
    public UUID getKeys() {
        return this.id;
    }

    @Override
    public Project buildFromTuple(List<Tuple> tuple, String base) {
        this.id = (UUID) tuple.get(0).get(base.isEmpty() ? "id" : base + "." + "id" );
        this.dmps = tuple.stream().map(x-> new DMP().buildFromTuple(tuple,"dmps")).collect(Collectors.toSet());
        return this;
    }
}