import { FastifyReply, FastifyRequest } from "fastify";
import SessionUser from "./SessionUser";

export default class RequestCtx {
	public controllerName:string;
	public actionName:string;
	public session?:SessionUser;
	public req: FastifyRequest;
	public res: FastifyReply;

	public constructor(req: FastifyRequest, res: FastifyReply, controllerName:string, actionName:string, sessionUser?:SessionUser) {
		this.session = sessionUser;
		this.req = req;
		this.res = res;
		this.controllerName = controllerName;
		this.actionName = actionName;
	}

	view(view?:string | Object, model?: Object) {
		let viewName: string = this.actionName;
		let viewModel: Object = {};
		if (typeof(view) === "string") {
			viewName = view;
		} else if (typeof(view) === "object") {
			viewModel = view;
		}
		if (typeof(model) === "object") {
			viewModel = model;
		}
		// @ts-ignore inject session
		viewModel["session"] = this.session;
		return this.res.view(`templates/${this.controllerName}/${viewName}.ejs`, viewModel);
	}

	// TODO: query params
	redirectToAction(action:string, controller?:string) {
		const controllerName = controller ?? this.controllerName;
		if (action === "index") {
			if (controllerName === "home") {
				return this.res.redirect(`/`, 302);
			} else {
				return this.res.redirect(`/${controllerName}`, 302);
			}
		} else {
			return this.res.redirect(`/${controllerName}/${action}`, 302);
		}
	}

	ok(message?:string) {
		return this.res.status(200).send(message ?? "");
	}

	badRequest(message?:string) {
		return this.res.status(400).send(message ?? "");
	}

	unauthorised(message?:string) {
		return this.res.status(401).send(message ?? "");
	}
}