/*

	Copyright (c) 2020, 2023, The Unified Company.

	This code is part of Unify.

	This program is free software; you can redistribute it and/or modify
	it under the terms of the ESA Software Community License - Strong Copyleft LICENSE,
	as published by the ESA.
	See the ESA Software Community License - Strong Copyleft LICENSE, for more details.

	https://unifyjs.org 

*/

import querySQL					from '../../unify/querySQL.js';

import joinSQL	 				from '../../unify/joinSQL.js';

import tools	 				from '../../unify/tools.js';


export default class queryChildren{

	queryType		= "select";

	type			= "collectionQuery"

	__className		= "queryChildren"
	
	createQuery( joinTableName, joinQuery, id ) {

		var query 				= new querySQL( );

		query.type				= this.queryType;

		query.table 			= joinTableName;

		query.debug				= joinQuery.debug;

		query.find( this.collection.getLeft() + "_id", id );


		return query;

	}

	createJoin( joinQuery ) {

		var join = new joinSQL(  joinQuery );

		join.table 			= this.collection.tableName;

		join.name 			= join.table;
		
		join.left.table		= join.name;

		join.right.column	= this.collection.getRight() + "_id";

		join.find( "signed", true );

		return join;

	}

	query( joinQuery, filterObject ) {


		var object				= this.collection.getObject();


		var leftTable 			= this.collection.getParentName();

		var rightTable			= object.propertyName;


		var id					= this.collection.getID( object );

		if( !id ) {

			if( this.collection.parent ) {

				var id = this.collection.parent.id;

			}

		}

		var joinTableName 		= leftTable + "_" + rightTable;

		var query				= this.createQuery( joinTableName, joinQuery, id );
		
		var join				= this.createJoin( joinQuery, join );


		if( filterObject ) {

			this.collection.filterQuery( join, filterObject )



			if( filterObject.search ) {

				//console.log("searchQuery", join, filterObject);

				this.collection.searchQuery( join, filterObject );

			}

		}


		join.setFilterAddress("./");

		query.addJoin( join );

		var result = global.database.query( query );

		return result;
	
	}

}