/*

	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 GNU AFFERO GENERAL PUBLIC LICENSE,
	as published by the Free Software Foundation.
	See the GNU AFFERO GENERAL PUBLIC LICENSE, for more details.

	https://unifyjs.org 

*/

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

export default class table{

	__className			= "table";

	type 				= "table";

	id 					= 0;
	
	collection 			= false;

	collections			= new Array();
	
	load				= true;

	synced				= false;

	useCustomElement 	= false;

	useCache  			= false;

	createOnSync		= true;

	deleteProperty( child ) {

		if( child.rowID  ) {

			delete this[ child.propertyName ];

		}

	}

	cleanChildren( object ) {

		if( object.getChildren ) {

			var children = object.getChildren();

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

				var child = children[i];

				if( child.rows ) {

					child.rows = new Array();

				}

				this.deleteProperty( child );
				
				this.cleanChildren( child );

			}

		}
		
	}

	destroyEventListener( object ) {

		if( object.render ) {

			// this could be enabled to destory the render functions still running.
			// But this causes problems when loading a new page, and then
			// loading the old one again, The render method is not called.
			if( object.autoDestroyRenderLoop ) {
			
				window.cancelAnimationFrame( object.requestAnimationFrameID );

			}

		}

		if( object.destroy ) {

			object.destroy();

		}

	}

	destroyEventListeners( element ) {

		if( element.object ) {

			var object = element.object;

			this.destroyEventListener( object );

		}

		var children = element.childNodes;

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

			var child = children[i];

			this.destroyEventListeners(child);

		}
		
	}

	logSync() {

		if( this.debug | document.debugALL ) {

			console.log( "" );
			console.log("%ctable::sync", "background: #5dc2d6;" );

			
			console.log( "className:	", this.getClassName() );
			console.log( "Path:			", this.applicationPathString );
			console.log( this );

		}

	}

	async loadObject( sign ) {

		if( this.load  ) {

			//this.cleanChildren( this );

			//this.destroyEventListeners( this.element );

			if( !this.id ) {

				await this.createObject( sign );

			} else {

				await this.updateObject();
				
			}

		}

	}

	scrollPage( show ) {

		if( show ) {

			this.show();

			if( this.element ) {

				this.element.scrollTo( 0, 0 );

			}

			if( this.boxElement ) {

				this.boxElement.scrollTo( 0, 0 );

			}

		}

	}

	hasURL() {

		var hasUrl = false

		if( this.parent.type != "table" ) {

			hasUrl = true;

		}

		if( this.parent.type == "renderCollection" ) {

			hasUrl = false;

		}

		if( this.title && this.title.value == "" ) {

			hasUrl = false;

		}

		if( !this.title ) {

			hasUrl = false;
			
		}

		return hasUrl;

	}

	composePath() {

		var urlPath = new Array();
	
		urlPath.push( this.propertyName );
	
		if( this.id ) {

			urlPath.push( this.id );

		}
		
		if( this.title ) {

			if( this.title.value == "" ) {

				urlPath.push( this.propertyName.replaceAll(" ", "_") + ".html" );

			} else {

				urlPath.push( this.title.value.replaceAll(" ", "_") + ".html" );

			}

		} else {

			urlPath.push( this.propertyName.replaceAll(" ", "_") + ".html" );

		}

		return urlPath.join("/");

	}

	async createUrl( pass ) {

		var hasURL	= this.hasURL();

		if( hasURL || pass ) {

			var path				= this.composePath();
		

			var state 				= new Object();

			state.id 				= this.id;

			state.applicationPath 	= this.applicationPath;

			state.table				= this;

			document.states.push( state );

			var url = window.location;

			await history.pushState( { id: document.states.length-1 }, "Unify", "/" + path );
			
		}

	}

	async sync( sign = false, show = true, createUrl = true ) {

		var sign = true;

		this.setApplicationPath();

		this.logSync();

		await this.loadObject( sign );

		if( createUrl ) {

			//this.createUrl();

		}

		this.scrollPage( show );
		
		this.getCore().communicateVisibleElements();

		return true;

	}

	async createObject( sign ) {

		if( sign ) {

			var table = await this.socketManager.get( "table", "create", this, "sign" );
		
		} else {

			var table = await this.socketManager.get( "table", "create", this );

		}

		this.setID( table.id );

		this.updatePermissions( table.permissions );
		
		return true;
		
	}

	async getObject() {

		if( this.useCache ) {

			var object 		= document.cacheManager.getLocalObject( this, this.id, tools.getTableName( this ) );

		} else {

			var object 		= false;

		}

		if( !object ) {

			var object 		= await this.socketManager.get( "table", "get", this );

			//document.cacheManager.addObject( object, this.id, tools.getTableName( this ) );

		}


		return object;

	}

	updateChildrenPermissionsClient( object ) {

		if( object.permissions && object.updatePermissions ) {



			object.updatePermissions( object.permissions );

		}

		


		if( object.getChildren ) {
			
			var children = object.getChildren();

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

				var child = children[i]

				console.log( "updateChildrenPermissions", child.propertyName);

				this.updateChildrenPermissionsClient( child );

			}

		}

	}

	async prepareObject( object ) {

		this.setID( object.id );

		this.serialize( object );

		console.log("after serialize", this);

		//this.updatePermissions( object.permissions );

		this.updateChildrenPermissionsClient( this );

		await this.setupChildren();

		if( this.create && this.createOnSync ) {
			
			await this.create();
		
		}

	}
	
	async updateObject() {

		var object = await this.getObject();

		await this.prepareObject( object );

		this.getCore().appendAllToSelector();

		return true;
		
	}
	
	async setupChildren() {
	
		var children = this.getChildren();	
			
		for( var c = 0; c < children.length; c++ ) {
		
			var child = children[c];
			
			if( child.setup ) {

				await child.setup();

			}
			
		}

	}

}