package eu.eudat.migration.entities;

import eu.eudat.models.data.admin.components.datasetprofile.FieldSet;
import eu.eudat.models.data.components.commons.Multiplicity;
import org.hibernate.annotations.LazyCollection;
import org.hibernate.annotations.LazyCollectionOption;

import javax.persistence.*;
import java.util.*;
import java.util.stream.Collectors;

@Entity
@Table(name = "sections")
public class RoadmapSection {

    @Id
    private Long id;
    private String title;
    private String description;
    private Long number;
    @Column(name = "created_at")
    @Temporal(TemporalType.TIMESTAMP)
    private Date createdAt;
    @Column(name = "updated_at")
    @Temporal(TemporalType.TIMESTAMP)
    private Date updatedAt;
    private Boolean modifiable;
    @Column(name = "versionable_id")
    private String versionableId;
    @OneToMany(cascade = CascadeType.ALL)
    @JoinColumn(name = "section_id")
    @OrderBy("number")
    @LazyCollection(LazyCollectionOption.FALSE)
    private List<Question> questions = new ArrayList<>();

    @Override
    public String toString() {
        return "Section{" +
                "id=" + id +
                ", title='" + title + '\'' +
                ", description='" + description + '\'' +
                ", number=" + number +
                ", createdAt=" + createdAt +
                ", updatedAt=" + updatedAt +
                ", modifiable=" + modifiable +
                ", versionableId='" + versionableId + '\'' +
                ", questions=" + questions +
                '}';
    }

    public Long getId() {
        return id;
    }

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


    public String getTitle() {
        return title;
    }

    public void setTitle(String title) {
        this.title = title;
    }


    public String getDescription() {
        return description;
    }

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


    public Long getNumber() {
        return number;
    }

    public void setNumber(Long number) {
        this.number = number;
    }


    public Date getCreatedAt() {
        return createdAt;
    }

    public void setCreatedAt(Date createdAt) {
        this.createdAt = createdAt;
    }


    public Date getUpdatedAt() {
        return updatedAt;
    }

    public void setUpdatedAt(Date updatedAt) {
        this.updatedAt = updatedAt;
    }

    public Boolean getModifiable() {
        return modifiable;
    }

    public void setModifiable(Boolean modifiable) {
        this.modifiable = modifiable;
    }

    public String getVersionableId() {
        return versionableId;
    }

    public void setVersionableId(String versionableId) {
        this.versionableId = versionableId;
    }


    public List<Question> getQuestions() {
        return questions;
    }

    public void setQuestions(List<Question> questions) {
        this.questions = questions;
    }

    public List<FieldSet> buildFieldSets(List<Question> questions) {
        return questions.stream().map(question -> {
            FieldSet fieldSet = new FieldSet();
            fieldSet.setId(String.valueOf(UUID.randomUUID()));
            fieldSet.setTitle(question.getText());
            fieldSet.setDescription(question.buildDescription());
            fieldSet.setOrdinal(Math.toIntExact(question.getNumber()) - 1);
            fieldSet.setMultiplicity(this.buildMultiplicity());
            fieldSet.setHasCommentField(question.getOptionCommentDisplay());
            fieldSet.setFields(question.buildFields());
            return fieldSet;
        }).collect(Collectors.toList());
    }

    private Multiplicity buildMultiplicity() {
        Multiplicity multiplicity = new Multiplicity();
        multiplicity.setPlaceholder("");
        return multiplicity;
    }
}