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package io.github.rongaru.javaee.webapp.bean;

import io.github.rongaru.javaee.utilities.CDIManagedBeanUtils;
import io.github.rongaru.javaee.utilities.FacesMessageUtils;
import io.github.rongaru.javaee.utilities.FacesViewUtils;
import io.github.rongaru.javaee.utilities.GenericUtils;
import io.github.rongaru.javaee.webapp.model.AbstractDataModelJSF;

import java.util.Collections;
import java.util.List;

public abstract class AbstractBeanJSF< Dto, Service, UserDto, DataModelJSF, UserLoginDataModelJSF > extends AbstractBeanJSF_3< Dto, Service, UserDto, DataModelJSF, UserLoginDataModelJSF > {

	protected void deleteAndCreateDataModelJSF( ) {
		Class< DataModelJSF > dataModelJSFClass = GenericUtils.getInstanceClass( this.getClass( ), 3 );
		setDataModelJSF( CDIManagedBeanUtils.destroyAndConstructContextManagedBean( getBeanManager( ), dataModelJSFClass ) );
	}

	protected void deleteUselessSessionViewScopedDataModelJSF( ) {
		Class< DataModelJSF > dataModelJSFClass = GenericUtils.getInstanceClass( this.getClass( ), 3 );
		CDIManagedBeanUtils.destroyUselessSessionViewScopedDataModelJSFManagedBeansNotIn( getBeanManager( ), Collections.singletonList( dataModelJSFClass ) );
	}

	protected void setScreenRedirectionDefaultParameters( DataModelJSF dataModelJSF ) {
		List< Dto > records = getDataTableRecordDtos( );
		getAbstractDataModelJSF( ).setRecords( records );
	}

	protected void setViewElementViewProperties( Dto record, DataModelJSF dataModelJSF ) {
		/* Implementation */
	}

	public String redirectScreenView( ) {
		DataModelJSF dataModelJSF1 = getDataModelJSF( );
		UserDto userDto = getAbstractUserLoginDataModelJSF( ).getUserDto( );
		if ( isUserHasPermissionsForScreen( userDto, dataModelJSF1 ) ) {
			deleteAndCreateDataModelJSF( );
			deleteUselessSessionViewScopedDataModelJSF( );
			DataModelJSF dataModelJSF2 = getDataModelJSF( );
			setScreenPermissionsForUser( userDto, dataModelJSF2 );
			setScreenRedirectionDefaultParameters( dataModelJSF2 );
			String requestAllowedScreen = getRequestAllowedScreen( );
			return FacesViewUtils.redirect( requestAllowedScreen );
		}
		FacesMessageUtils.createErrorMessage( "Request Denied" );
		String requestDeniedScreen = getRequestDeniedScreen( );
		return FacesViewUtils.redirect( requestDeniedScreen );
	}

	public void initViewElement( ) {
		AbstractDataModelJSF< Dto > abstractDataModelJSF = getAbstractDataModelJSF( );
		if ( abstractDataModelJSF.isUserHasViewPermission( ) ) {
			abstractDataModelJSF.setCreateViewPanel( true );
			DataModelJSF dataModelJSF = this.getDataModelJSF( );
			Dto recordInstance = abstractDataModelJSF.getRecord( );
			setViewElementViewProperties( recordInstance, dataModelJSF );
		} else {
			FacesMessageUtils.createErrorMessage( "Request Denied" );
		}
	}

}