namespace mod_platform.app.web
{
	
	/**
	 */
	export type type_state =
	{
		model : lib_mvc.type_model<mod_model.app.type_subject>;
		element_dom : (null | HTMLElement);
	}
	
	
	/**
	 */
	export function make
	(
		model : lib_mvc.type_model<mod_model.app.type_subject>
	) : type_state
	{
		return {
			"model": model,
			"element_dom": null,
		};
	}
	
	
	/**
	 */
	export function setup
	(
		platform : lib_mvc.type_model<type_state>,
		target_dom : HTMLElement
	) : Promise<void>
	{
		let fragment : DocumentFragment = lib_dom.request("app");
		let app_dom : HTMLElement = fragment.querySelector(".app");
		target_dom.appendChild(fragment);
		
		app_dom.classList.add("empty");
		
		platform.state.element_dom = app_dom;
		
		// propagate events from the model
		lib_mvc.model_listen<mod_model.app.type_subject, any>
		(
			platform.state.model,
			(event) =>
			{
				return lib_mvc.model_notify<type_state, any>(platform, event);
			}
		);
		
		return Promise.resolve<void>(undefined);
	}

	
	// imitate interface of model
	// export function login(platform : lib_mvc.type_model<type_state>, username : string, password : string) : Promise<void> {return mod_model.app.login(platform.state.model, username, password);}
	// export function logout(platform : lib_mvc.type_model<type_state>) : Promise<void> {return mod_model.app.logout(platform.state.model);}
	// export function prepare_rental(platform : lib_mvc.type_model<type_state>) : Promise<void> {return mod_model.app.prepare_rental(platform.state.model);}
	// function start_rental(platform : lib_mvc.type_model<type_state>, bike_name : string) : Promise<void> {return mod_model.app.start_rental(platform.model, bike_name);}
	// function pause_rental(platform : lib_mvc.type_model<type_state>, bike_name : string) : Promise<void> {return mod_model.app.pause_rental(platform.model, bike_name);}
	// function open_lock(platform : lib_mvc.type_model<type_state>, bike_name : string) : Promise<void> {return mod_model.app.open_lock(platform.model, bike_name);}
	// function end_rental(platform : lib_mvc.type_model<type_state>, rental_id : mod_model.rental.type_id) : Promise<void> {return mod_model.app.end_rental(platform.model, rental_id);}
	
}