package com.avaje.ebeaninternal.server.query;

import java.util.ArrayList;
import java.util.List;
import java.util.Set;

import com.avaje.ebeaninternal.server.deploy.BeanProperty;
import com.avaje.ebeaninternal.server.deploy.BeanPropertyAssocMany;
import com.avaje.ebeaninternal.server.el.ElPropertyValue;

/**
 * Represents the SELECT clause part of the SQL query.
 */
public class SqlTree {

  private SqlTreeNode rootNode;

  /**
   * Property if resultSet contains master and detail rows.
   */
  private BeanPropertyAssocMany<?> manyProperty;
  private String manyPropertyName;
  private ElPropertyValue manyPropEl;

  private Set<String> includes;

  /**
   * Summary of the select being generated.
   */
  private String summary;

  private String selectSql;

  private String fromSql;

  /**
   * Encrypted Properties require additional binding.
   */
  private BeanProperty[] encryptedProps;

  /**
   * Where clause for inheritance.
   */
  private String inheritanceWhereSql;

  /**
   * Create the SqlSelectClause.
   */
  public SqlTree() {
  }

  public List<String> buildSelectExpressionChain() {
    ArrayList<String> list = new ArrayList<String>();
    rootNode.buildSelectExpressionChain(list);
    return list;
  }

  /**
   * Return the includes. Associated beans lists etc.
   */
  public Set<String> getIncludes() {
    return includes;
  }

  /**
   * Set the association includes (Ones and Many's).
   */
  public void setIncludes(Set<String> includes) {
    this.includes = includes;
  }

  /**
   * Set the manyProperty used for this query.
   */
  public void setManyProperty(BeanPropertyAssocMany<?> manyProperty, String manyPropertyName,
      ElPropertyValue manyPropEl) {
    this.manyProperty = manyProperty;
    this.manyPropertyName = manyPropertyName;
    this.manyPropEl = manyPropEl;
  }

  /**
   * Return the String for the actual SQL.
   */
  public String getSelectSql() {
    return selectSql;
  }

  /**
   * Set the select sql clause.
   */
  public void setSelectSql(String selectSql) {
    this.selectSql = selectSql;
  }

  public String getFromSql() {
    return fromSql;
  }

  public void setFromSql(String fromSql) {
    this.fromSql = fromSql;
  }

  /**
   * Return the where clause for inheritance.
   */
  public String getInheritanceWhereSql() {
    return inheritanceWhereSql;
  }

  /**
   * Set where clause(s) for inheritance.
   */
  public void setInheritanceWhereSql(String whereSql) {
    this.inheritanceWhereSql = whereSql;
  }

  /**
   * Set the summary description of the query.
   */
  public void setSummary(String summary) {
    this.summary = summary;
  }

  /**
   * Return a summary of the select clause.
   */
  public String getSummary() {
    return summary;
  }

  public SqlTreeNode getRootNode() {
    return rootNode;
  }

  public void setRootNode(SqlTreeNode rootNode) {
    this.rootNode = rootNode;
  }

  /**
   * Return the property that is associated with the many. There can only be one
   * per SqlSelect. This can be null.
   */
  public BeanPropertyAssocMany<?> getManyProperty() {
    return manyProperty;
  }

  public String getManyPropertyName() {
    return manyPropertyName;
  }

  public ElPropertyValue getManyPropertyEl() {
    return manyPropEl;
  }

  /**
   * Return true if this query includes a Many association.
   */
  public boolean isManyIncluded() {
    return (manyProperty != null);
  }

  public BeanProperty[] getEncryptedProps() {
    return encryptedProps;
  }

  public void setEncryptedProps(BeanProperty[] encryptedProps) {
    this.encryptedProps = encryptedProps;
  }
}