package de.superx.bianalysis.models;

import java.util.Comparator;
import java.util.List;
import java.util.Objects;

import com.fasterxml.jackson.annotation.JsonIgnore;
import com.fasterxml.jackson.databind.node.ArrayNode;

import de.superx.bianalysis.metadata.Identifier;
import de.superx.bianalysis.repository.dto.AttributeDto;

public class DimensionAttribute {
    
    public static final List<String> SPECIAL_VALUES = List.of("n. v.", "k.A.", "k.a.", "unbekannt", "Unbekannt", "ungültig", "Ungültig");
    
    public static final Comparator<String> SPECIAL_VALUE_COMPARATOR = (a1, a2) -> {
        if (a1.equals(a2)) {
            return 0;
        }
        if (DimensionAttribute.SPECIAL_VALUES.contains(a1)) {
            return -1;
        }
        if (DimensionAttribute.SPECIAL_VALUES.contains(a2)) {
            return 1;
        }
        return a1.compareTo(a2);
    };
    
    public static String specialValueListForSql() {
        String result = String.join("', '", SPECIAL_VALUES);
        return "'" + result + "'";
    }

    @JsonIgnore
    private AttributeDto attributeTable;

    @JsonIgnore
    private String dimCaption;

    @JsonIgnore
    private String dimId;

    @JsonIgnore
    private String dimConformedId;

    @JsonIgnore
    private String tablename;

    @JsonIgnore
    private String joincolumn;

    @JsonIgnore
    private boolean isHistorical;
    
    @JsonIgnore
    private String dimensionTableAlias;
    
    @JsonIgnore
    private String dimensionColumnAlias;

    private List<String> dimensionAttributeValues;

    private ArrayNode criteriaGroups;

    @JsonIgnore
    private String dimIdJoinColumn;

    @JsonIgnore
    private boolean isGrouping = false;

    @JsonIgnore
    private boolean isNullAttribute = false;

    public DimensionAttribute() {
        super();
    }

    public DimensionAttribute(AttributeDto attributeTable) {
        this.attributeTable = attributeTable;
    }

    public void setDimension(Dimension dim) {
    	this.dimCaption = dim.getCaption();
    	this.dimId = dim.getId().composedId;
    	this.tablename = dim.getTablename();
    	this.joincolumn = dim.getJoincolumn();
        this.isHistorical = dim.isHistorical();
    	this.dimIdJoinColumn = dim.getIdColumn();
        if(dim.getAlias() != null){
            this.dimensionTableAlias = dim.getAlias();
        } else {
            this.dimensionTableAlias = generateDimensionTableAlias(joincolumn);
        }
        this.dimensionColumnAlias = getColumnname() + "_" + getId().value;
    }

    public static String generateDimensionTableAlias(String joincolumn) {
        if (joincolumn != null) {            
            return joincolumn.replaceFirst("_(id|lid)$", "");
        }
        return null;
    }

    @Override
    public int hashCode() {
        return Objects.hash(getId());
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj) return true;
        if (obj == null) return false;
        if (getClass() != obj.getClass()) return false;
        DimensionAttribute other = (DimensionAttribute) obj;
        return Objects.equals(this.getId(), other.getId());
    }

    public String getCaption() {
        return this.attributeTable.caption;
    }

    public boolean isHidden() {
        if(this.attributeTable.isHidden == null) {
           return false; 
        }
        return this.attributeTable.isHidden.booleanValue();
    }
    
    public boolean isCustom() {
        return this.attributeTable.isCustom != null && this.attributeTable.isCustom.booleanValue();
    }

    public String getColumnname() {
        return this.attributeTable.columnname;
    }

    public String getSortOrderColumn() {
        return this.attributeTable.sortOrderColumn;
    }

    public String getFilterSelection() {
        return this.attributeTable.filterSelection;
    }

    public String getDimId() {
        return dimId;
    }

    public void setDimId(String dimId) {
        this.dimId = dimId;
    }

    public String getDimConformedId() {
        return dimConformedId;
    }

    public void setDimConformedId(String dimConformedId) {
        this.dimConformedId = dimConformedId;
    }

    public String getAttrConformedId() {
        return this.attributeTable.attrConformedId;
    }

    public Identifier getId() {
        return this.attributeTable.id;
    }

    @JsonIgnore
    public String getStringId() {
        return this.attributeTable.id.composedId;
    }

    public String getDimCaption() {
        return dimCaption;
    }

    public void setDimCaption(String dimCaption) {
        this.dimCaption = dimCaption;
    }

    public String getDimensionTableAlias() {
        return dimensionTableAlias;
    }

    public void setDimensionTableAlias(String dimensionTableAlias) {
        this.dimensionTableAlias = dimensionTableAlias;
    }

    public String getDimensionColumnAlias() {
        return dimensionColumnAlias;
    }

    public void setDimensionColumnAlias(String dimensionColumnAlias) {
        this.dimensionColumnAlias = dimensionColumnAlias;
    }

    public String getDescription() {
        return this.attributeTable.description;
    }

    public Identifier getDimensionId() {
        return this.attributeTable.dimensionId;
    }

    public String getTablename() {
        return tablename;
    }

    public void setTablename(String tablename) {
        this.tablename = tablename;
    }

    public String getJoincolumn() {
        return joincolumn;
    }

    public void setJoincolumn(String joincolumn) {
        this.joincolumn = joincolumn;
    }

    public boolean isHistorical() {
        return isHistorical;
    }

    public void setHistorical(boolean isHistorical) {
        this.isHistorical = isHistorical;
    }

    public boolean isHierarchicalFilter() {
        if(this.attributeTable.hierarchicalFilter == null) {
            return false;
        }
        return this.attributeTable.hierarchicalFilter.booleanValue();
    }

    public List<String> getDimensionAttributeValues() {
        return dimensionAttributeValues;
    }

    public void setDimensionAttributeValues(List<String> dimensionAttributeValues) {
        this.dimensionAttributeValues = dimensionAttributeValues;
    }

    public void setDimIdJoinColumn(String idColumn) {
        this.dimIdJoinColumn = idColumn;
    }

    public String getDimIdJoinColumn() {
        return this.dimIdJoinColumn;
    }

    public void setAttrConformedId(String stringId) {
        this.attributeTable.attrConformedId = stringId;
    }

    public Integer getPosition() {
        return this.attributeTable.position;
    }

    public String getDefaultRelease() {
        return this.attributeTable.defaultRelease;
    }

    public ArrayNode getCriteriaGroups() {
        return this.attributeTable.criteriaGroups;
    }

    public void setCriteriaGroups(ArrayNode criteriaGroups) {
        this.criteriaGroups = criteriaGroups;
    }

    @JsonIgnore
    public boolean isGrouping() {
        return isGrouping;
    }

    @JsonIgnore
    public void setGrouping(boolean isGrouping) {
        this.isGrouping = isGrouping;
    }

    @JsonIgnore
    public boolean isNullAttribute() {
        return isNullAttribute;
    }

    @JsonIgnore
    public void setNullAttribute(boolean isNullAttribute) {
        this.isNullAttribute = isNullAttribute;
    }

}