import user 				from '/user/user.js';

import label 				from '/elements/label.js';

import username 			from './signin.username.js';

import password 			from './signin.password.js';

import signinButton 		from './signin.button.js';

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

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

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


import groups				from '/user/group/user.group.permission.js';

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

import header 				from '/elements/header.js';

import cancelButton			from './signin.cancel.button.js';

import page 				from '/elements/page.js';

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

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

#ifdef SERVER

   import crypto		from "node:crypto";
   
#endif


class tussenObject{

	password 				= new password();

	width					= "100%"
}



class buttons{

	#ifdef ANDROID

		width		= "100vw";

		position	= "absolute"

		bottom		= "0";

	#endif

	cancelButton			= new cancelButton();

	signinButton 			= new signinButton();

}

class hint{

	text		= "Hint: You can sign in with username: admin, password: admin."

	color		= "white"

	marginLeft	= 22;

	fontWeight	= "bold"

	marginTop	= 20;

    padding		= 20;

    background	= "#221f1f4f";

    borderRadius	= 4;
}


export default class signin extends user, page {


	_hint						= new hint();

	padding						= 10;

	paddingTop					= 20;

	color						= "black";

	//paddingTop					= "0";

	flexDirection				= "column";

	height						= "400px";


	layers				= 1;

	debug				= true;

	customElement		= document.createElement("form");

	useCustomElement	= true;

	display				= "flex";

	

	autocomplete		= false;

	_header					= new header("Signin");

	//userLabel				= new label("Username");
	username				= new username();

	//passwordLabel			= new label("Password");
	tussenObject 			= new tussenObject();

	
	buttons					= new buttons();

	boxMargin;


	enableREAD() {

		this.hide();

	}


   createVisitor( client ) {
   
       var table = new user(); 
       
       table.username.value		= "Visitor";
       table.id 					= 0;
       table.permissionObjects 	= userManager.getPermissions( table, client );

       return table;
   
   }

   node async signin( username, password, sessionKey ) {

       var client              = this.client;

       client.user 				= this.createVisitor( client );
       client.user.error 		= false;

       if( username ) {

           var users       = new collection( user );

           var filter      = users.getFilter();

           filter.search   = IS( filter.username, username );

           users.sync();


           var currentUser     = users.get();


           if( currentUser ) {

               var hash            = currentUser.hash.value;

    

               console.log("password", password);

               console.log("try to sign in hash", hash);

               if( !password ) {

                   client.user.error = "password required";

               }
               
               if( !hash ) {

                   client.user.error = "user does not have an hash";
               
               }

               var signedIn	= false;

               var loginMethod	= false;

               console.log(sessionKey);

               if( sessionKey ) {

                   signedIn 		= sessionKey === currentUser.sessionKey.value;

                   loginMethod		= "session"

                   console.log( "signin with sessionKey:", sessionKey, currentUser.sessionKey.value, signedIn );

               } 

               if( password ) {

	               var encryptHash	= await crypto.pbkdf2Sync( password, currentUser.salt.value, 100, 64,'SHA256' ).toString('hex');
	           

	               if( !signedIn ) {

	                   signedIn 		= encryptHash === hash;

	                   loginMethod		= "password"

	                   console.log( "signin with Password:", encryptHash, hash, signedIn );

	               }

               }

               if( signedIn ) {

                   if( loginMethod != "session" ) {

                       currentUser.sessionKey.value		= crypto.randomBytes( 32 ).toString('base64');
                       
                       currentUser.save();

                       currentUser.sessionKey.scope		= "public"

                   }

                   currentUser.permissionObjects 	= userManager.getPermissions( currentUser, client );

                   currentUser.error 				= false;


                   client.user 			= currentUser;

                   client.user.status		= "success";
               
               } else {
               
                   client.user.status	= "failed";
                   client.user.error	= "password";
                   
               }

           } else {
           
               client.user.status	= "failed";
               client.user.error	= "username";
           
           }
           
       } else {

           client.user.error	= "password";

       }

       global.core.setUserObjects( client.user, client );

       global.core.parse( client.user, client );

       return client.user;

   }

   async afterLoad() {

   		var username 		= localStorage.getItem( "username" );

		var sessionKey 		= localStorage.getItem( "sessionKey" );

		var user 			= await this.signin( username, false, sessionKey );

		console.log("signin ",user);

		var core 			= this.getCore();

		core.updatePermissions( user.permissionObjects );

		core.setUser( user );

   }


	permission() {

		this.allow( groups.visitor ,  "PROCESS" );
		this.allow( groups.member , "PROCESS" );
		this.allow( groups.admin ,  "PROCESS" );
	
		this.allow( groups.member , "READ" );
		this.allow( groups.admin ,  "READ" );
		
	}

}