/*

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

import baseRenderCollection	 	from '../server/renderCollection.js';

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

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

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

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

import userManager				from '../server/userManager.js';

import searchable				from '../unify/sql/searchable.js';

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

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




export default class renderCollection extends baseRenderCollection  {
	
	object;

	collections 			= new Array();
	
	collection				= false; // Future
	
	storageCollection 		= false;
	
	type					= "renderCollection";

	rows  					= new Array();
	
	filterObject			= false;

	processAsync			= false;
	


	handleRenderCollection( renderCollection ) {

		var currentCollection	= renderCollection.getCollection();
		
		
		if( !renderCollection.storageCollection ) {
		
			renderCollection.storageCollection 				= new collection( currentCollection.object );

			renderCollection.storageCollection.enabled 		= false;

		}
	
		collection1 = renderCollection.storageCollection;

	}

	handleCollection( argument ) {

		this.storageCollection 			= new collection( argument.object );

		this.storageCollection.name 	= "storageCollection";
	
		var defaultObjectInstance 		= new defaultObject();

		defaultObjectInstance.exposeMethodsToObject( this.storageCollection );
	
		this.setCollection( argument );

	}

	handleSecondArgument( argument ) {

		switch( argument.type ) {

			case "renderCollection":

				this.handleRenderCollection( argument );

			break;

			case "collection":

				this.handleCollection( argument );

			break;

		} 

	}

	constructor( object, secondArgument ) {

		super();

		if( secondArgument ) {

			this.handleSecondArgument( secondArgument );

		} else {

			if( object ) {

				//return false;

				//this.logMissingArgument();

			}

		}

		this.object = object;
		
	}

	logMissingArgument() {

		console.log("\n_______________________________________________\n\n\n\n");

		console.error( '\x1b[31m%s\x1b[0m', 'Collection of renderCollection Not set:\n ' );
		console.log("This renderCollection will not load anything, There is probably an typo in the second argument or no collection present as second argument. \n");
		console.log( this )

		console.log("\n_______________________________________________\n\n\n\n");

	}

	createInstance() {

		var object 					= new this.object();

		unify.extend( object );

		return object;

	}

	setupObject( sourceObject, client, rowID ) {

		var object	= this.createInstance();

		// todo : caution : this wasn't commented and can cause problems, But this can probably be removed because of multi extend.
		//object.extend( this.getCollection().createInstance() );

		object.id				= sourceObject.id;

		object.parent			= this;

		object.dynamic 			= true;

		object.propertyName		= object.getClassName() + object.id;

		object.load				= false;

		object.rowID			= rowID;

		object.serialize( sourceObject, client );

		return object;

	}
	
	callMethods( object, client ) {

		if( client ) {
		
			if( object.process ) {
			
				object.process( object );
			
			}
			
		}

	}

	bindAsChild( object ) {

		this[ object.propertyName ] = object;

	}

	updatePermissionsClientAndServer( object, client ) {

		if( client ) {
			
			this.getPermissionForHierarchy( object, client.user );

		} else {

			object.updatePermissions( object.permissions );
		
		}

		return object;

	}

	addToCollection( object ) {

		var collection = this.getCollection();

		collection.rows.push( object );

	}

	addRow( sourceObject, client, rowID ) {

		var object = this.setupObject( sourceObject, client, rowID );

		this.callMethods( object, client )

		this.bindAsChild( object );

		this.getCore().parse( object, client );

		this.updatePermissionsClientAndServer( object, client );

		this.addToCollection( object );

		return object;

	}

	getPermissionForHierarchy( object, user ) {

		object.permissions = userManager.computePermissions( object, user );

		var children = object.getChildren();

		for (var i = 0; i < children.length; i++) {

			var child = children[i];

			if( child.isAllowed ) {

				this.getPermissionForHierarchy( child, user )

			}

		}

	}
	
	async addRowSync( sourceObject, client, rowID ) {

		var object = this.setupObject( sourceObject, client, rowID );

		this.callMethods( object, client )
		
		this.bindAsChild( object );

		if( client ) {

			await this.getCore().parse( object, client );

		} else {

			await this.getCore().parse( object, true );

		}

		this.updatePermissionsClientAndServer( object, client );

		this.addToCollection( object );

		return object;

	}
	
	setCollection( collection ) {

		if( !collection ) {

			this.collections = new Array();

		} else {

			this.collections = [ collection ];

		}

	}
	
	setCollectionObject( collectionObject ) {
		
		var newCollection = new collection( collectionObject );
	
		this.setCollection( newCollection );
		
		this.object  = collectionObject;	
		
	}

	getCollection() {
	
		return this.collections[0];
	
	}
	
	createFilterObject() {

		if( !this.filterObject ) {
	
			this.filterObject 		= new placeholder();
		}
		

		this.filterObject.__className = "placeholder";

		unify.extend( this.filterObject );

	}



	createCollectionSearchable( collection, child ) {

		var tableName 	= collection.createInstance().getClassName();
//tableName
		var search 		= new searchable( "./" + collection.propertyName  + "/" + child.propertyName );

		this.filterObject[ collection.propertyName ][ child.propertyName ] = search;

	}

	handleFilterCollectionChildren( collectionObject, collection ) {

		var collectionChildren = collectionObject.getChildren();

		for( var b = 0; b < collectionChildren.length; b++ ) {
		
			var child 		= collectionChildren[b];
		
			this.createCollectionSearchable( collection, child );

		}	

	}

	handleCollectionSearchables( child ) {

		if( child.type == "collection") {
		
			var collectionObject = child.createInstance();
			
			unify.extend( collectionObject );

			this.filterObject[ child.propertyName ].tableName = collectionObject.getClassName()

			this.filterObject[ child.propertyName ].type = "collection";

			this.handleFilterCollectionChildren( collectionObject, child )

		}

	}

	createSearchable( child, parent ) {

		//console.log("get news from this", parent);

		var search 		= new searchable( parent.getClassName() + "/" + child.propertyName );

		this.filterObject[ child.propertyName ]  = search;

	}

	createSearchables( object ) {

		var children 	= object.getChildren();

		for( var c = 0; c < children.length; c++ ) {
		
			var child 		= children[c];

			this.createSearchable( child, object );

			this.handleCollectionSearchables( child );

		}

	}

	createSearchableID() {

		var search = new searchable( "./id" );

		this.filterObject[ "id" ] 	= search;

	}


	getCollectionObject() {

		var collection 			= this.getCollection();

		var realObject		 	= new collection.object();

		unify.extend( realObject );

		return realObject;

	}

	getFilter() {
/*
		var collection 			= this.getCollection();

		return collection.getFilter();

		*/
	
		this.createFilterObject();

		this.createSearchableID();

		var object 					= this.getCollectionObject();

		this.createSearchables( object );

		//console.log("this.filterObject", this.filterObject);

		return this.filterObject;

	}
	
	createInstance() {

		return new this.object();
	
	}

	getChildrenRenderCollections2( object, client ) {

		var children 	= object.getChildren( );

		for( var c = 0; c < children.length; c++ ) {
		
			var child		= children[ c ];

			if( child.type == "renderCollection" ) {
			
				child.id 	= object.id;

				child 		= this.get( child, client );
				
			}

		}

	}

	getChildrenRenderCollections( client ) {

		var rows = this.rows;

		for( var b = 0; b < rows.length; b++ ) {
		
			var row 		= rows[b];
			
			this.getChildrenRenderCollections2( row, client );
		
		}

	}
	
}