import type { AbstractFileStorage } from "@/common/services/file-storage/abstract.file-storage";
import { LocalFileStorage } from "@/common/services/file-storage/local.file-storage";
import { serverConfig } from "@/configs/server.config";
import { AirlineController } from "@/modules/airline/airline.controller";
import { AirlineMapper } from "@/modules/airline/airline.mapper";
import { AirportController } from "@/modules/airport/airport.controller";
import { AirportMapper } from "@/modules/airport/airport.mapper";
import { CityController } from "@/modules/city/city.controller";
import { CityMapper } from "@/modules/city/city.mapper";
import { CountryController } from "@/modules/country/country.controller";
import { CountryMapper } from "@/modules/country/country.mapper";
import { FlightController } from "@/modules/flight/flight.controller";
import { FlightMapper } from "@/modules/flight/flight.mapper";
import { HotelFacilityController } from "@/modules/hotel-facility/hotel-facility.controller";
import { HotelFacilityMapper } from "@/modules/hotel-facility/hotel-facility.mapper";
import { HotelController } from "@/modules/hotel/hotel.controller";
import { HotelMapper } from "@/modules/hotel/hotel.mapper";
import { PackageController } from "@/modules/package/package.controller";
import { PackageMapper } from "@/modules/package/package.mapper";
import { TransportationController } from "@/modules/transportation/transportation.controller";
import { TransportationMapper } from "@/modules/transportation/transportation.mapper";
import compression from "compression";
import cors from "cors";
import express from "express";
import helmet from "helmet";

export class Application {
	private readonly _app: express.Application;

	// Services
	private _fileStorage!: AbstractFileStorage;

	public constructor() {
		this._app = express();
	}

	public initializeServices() {
		this._fileStorage = new LocalFileStorage();
	}

	public initializeMiddlewares() {
		this._app.use(helmet());
		this._app.use(cors());
		this._app.use(compression());
		this._app.use(express.json({ limit: "1mb" }));
		this._app.use(express.urlencoded());
	}

	public initializeRouters() {
		const countryMapper = new CountryMapper();
		const cityMapper = new CityMapper(countryMapper);
		const airlineMapper = new AirlineMapper();
		const airportMapper = new AirportMapper(cityMapper);
		const flightMapper = new FlightMapper(airlineMapper, airportMapper);
		const hotelFacilityMapper = new HotelFacilityMapper();
		const hotelMapper = new HotelMapper(cityMapper, hotelFacilityMapper);
		const transportationMapper = new TransportationMapper();
		const packageMapper = new PackageMapper(
			flightMapper,
			hotelMapper,
			transportationMapper,
		);

		const countryRouter = new CountryController(countryMapper).buildRouter();
		const cityRouter = new CityController(cityMapper).buildRouter();
		const airlineRouter = new AirlineController(
			airlineMapper,
			this._fileStorage,
		).buildRouter();
		const airportRouter = new AirportController(airportMapper).buildRouter();
		const flightRouter = new FlightController(flightMapper).buildRouter();
		const hotelFacilityRouter = new HotelFacilityController(
			hotelFacilityMapper,
		).buildRouter();
		const hotelRouter = new HotelController(
			hotelMapper,
			this._fileStorage,
		).buildRouter();
		const transportationRouter = new TransportationController(
			transportationMapper,
			this._fileStorage,
		).buildRouter();
		const packageRouter = new PackageController(
			packageMapper,
			this._fileStorage,
		).buildRouter();

		this._app.use("/countries", countryRouter);
		this._app.use("/cities", cityRouter);
		this._app.use("/airlines", airlineRouter);
		this._app.use("/airports", airportRouter);
		this._app.use("/flights", flightRouter);
		this._app.use("/hotel-facilities", hotelFacilityRouter);
		this._app.use("/hotels", hotelRouter);
		this._app.use("/transportations", transportationRouter);
		this._app.use("/packages", packageRouter);
	}

	public initializeErrorHandlers() {}

	public run() {
		const port = serverConfig.port;
		const host = serverConfig.host;

		this._app.listen(port, host, (err) => {
			if (err) {
				console.log(`Failed to listen server: ${err.message}`);
			} else {
				console.log(`Server listening at ${host}:${port}`);
			}
		});
	}
}