package eu.eudat.query;

import eu.eudat.data.CredentialEntity;
import gr.cite.tools.data.query.FieldResolver;
import gr.cite.tools.data.query.QueryBase;
import gr.cite.tools.data.query.QueryContext;
import jakarta.persistence.Tuple;
import jakarta.persistence.criteria.CriteriaBuilder;
import jakarta.persistence.criteria.Predicate;
import org.springframework.beans.factory.config.ConfigurableBeanFactory;
import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Component;

import java.util.*;

@Component
@Scope(value = ConfigurableBeanFactory.SCOPE_PROTOTYPE)
public class CredentialQuery extends QueryBase<CredentialEntity> {

    private Collection<UUID> ids;
    
    private Collection<UUID> userIds;

    private Collection<Short> statuses;

    public CredentialQuery ids(UUID value) {
        this.ids = List.of(value);
        return this;
    }

    public CredentialQuery ids(UUID... value) {
        this.ids = Arrays.asList(value);
        return this;
    }

    public CredentialQuery ids(List<UUID> value) {
        this.ids = value;
        return this;
    }


    public CredentialQuery userIds(UUID value) {
        this.userIds = List.of(value);
        return this;
    }

    public CredentialQuery userIds(UUID... value) {
        this.userIds = Arrays.asList(value);
        return this;
    }

    public CredentialQuery userIds(List<UUID> value) {
        this.userIds = value;
        return this;
    }

    public CredentialQuery statuses(Short value) {
        this.statuses = List.of(value);
        return this;
    }

    public CredentialQuery statuses(Short... value) {
        this.statuses = Arrays.asList(value);
        return this;
    }

    public CredentialQuery statuses(List<Short> value) {
        this.statuses = value;
        return this;
    }

    @Override
    protected Boolean isFalseQuery() {
        return this.isEmpty(this.ids) || this.isEmpty(this.userIds) || this.isEmpty(this.statuses);
    }

    @Override
    protected Class<CredentialEntity> entityClass() {
        return CredentialEntity.class;
    }

    @Override
    protected <X, Y> Predicate applyFilters(QueryContext<X, Y> queryContext) {
        List<Predicate> predicates = new ArrayList<>();

        if (this.ids != null) {
            CriteriaBuilder.In<UUID> inClause = queryContext.CriteriaBuilder.in(queryContext.Root.get(CredentialEntity._id));
            for (UUID item : this.ids)
                inClause.value(item);
            predicates.add(inClause);
        }

        if (this.userIds != null) {
            CriteriaBuilder.In<UUID> inClause = queryContext.CriteriaBuilder.in(queryContext.Root.get(CredentialEntity._userId));
            for (UUID item : this.userIds)
                inClause.value(item);
            predicates.add(inClause);
        }

        if (this.statuses != null) {
            CriteriaBuilder.In<Short> inClause = queryContext.CriteriaBuilder.in(queryContext.Root.get(CredentialEntity._isActive));
            for (Short item : this.statuses)
                inClause.value(item);
            predicates.add(inClause);
        }

        if (!predicates.isEmpty()) {
            Predicate[] predicatesArray = predicates.toArray(new Predicate[0]);
            return queryContext.CriteriaBuilder.and(predicatesArray);
        } else {
            return queryContext.CriteriaBuilder.and();
        }
    }

    @Override
    protected String fieldNameOf(FieldResolver item) {
        return null;
    }

    @Override
    protected CredentialEntity convert(Tuple tuple, Set<String> columns) {
        return null;
    }

}