import { Body, CookieParam, JsonController, Param, Post, QueryParam, Req, Res } from 'routing-controllers';
import { OpenAPI, ResponseSchema } from 'routing-controllers-openapi';
import { IllegalJWTError, InvalidCredentialsError, JwtNotProvidedError, PasswordNeededError, RefreshTokenCountInvalidError, UsernameOrEmailNeededError } from '../errors/AuthError';
import { MailSendingError } from '../errors/MailErrors';
import { UserNotFoundError } from '../errors/UserErrors';
import { Mailer } from '../mailer';
import { CreateAuth } from '../models/actions/create/CreateAuth';
import { CreateResetToken } from '../models/actions/create/CreateResetToken';
import { HandleLogout } from '../models/actions/HandleLogout';
import { RefreshAuth } from '../models/actions/RefreshAuth';
import { ResetPassword } from '../models/actions/ResetPassword';
import { ResponseAuth } from '../models/responses/ResponseAuth';
import { ResponseEmpty } from '../models/responses/ResponseEmpty';
import { Logout } from '../models/responses/ResponseLogout';

@JsonController('/auth')
export class AuthController {

	@Post("/login")
	@ResponseSchema(ResponseAuth)
	@ResponseSchema(InvalidCredentialsError)
	@ResponseSchema(UserNotFoundError)
	@ResponseSchema(UsernameOrEmailNeededError)
	@ResponseSchema(PasswordNeededError)
	@ResponseSchema(InvalidCredentialsError)
	@OpenAPI({ description: 'Login with your username/email and password. <br> You will receive: \n * access token (use it as a bearer token) \n * refresh token (will also be sent as a cookie)' })
	async login(@Body({ validate: true }) createAuth: CreateAuth, @Res() response: any) {
		let auth;
		try {
			auth = await createAuth.toAuth();
			response.cookie('lfk_backend__refresh_token', auth.refresh_token, { expires: new Date(auth.refresh_token_expires_at * 1000), httpOnly: true });
			response.cookie('lfk_backend__refresh_token_expires_at', auth.refresh_token_expires_at, { expires: new Date(auth.refresh_token_expires_at * 1000), httpOnly: true });
			return response.send(auth)
		} catch (error) {
			throw error;
		}
	}

	@Post("/logout")
	@ResponseSchema(Logout)
	@ResponseSchema(InvalidCredentialsError)
	@ResponseSchema(UserNotFoundError)
	@ResponseSchema(UsernameOrEmailNeededError)
	@ResponseSchema(PasswordNeededError)
	@ResponseSchema(InvalidCredentialsError)
	@OpenAPI({ description: 'Logout using your refresh token. <br> This instantly invalidates all your access and refresh tokens.', security: [{ "RefreshTokenCookie": [] }] })
	async logout(@Body({ validate: true }) handleLogout: HandleLogout, @CookieParam("lfk_backend__refresh_token") refresh_token: string, @Res() response: any) {
		if (refresh_token && refresh_token.length != 0 && handleLogout.token == undefined) {
			handleLogout.token = refresh_token;
		}

		let logout;
		try {
			logout = await handleLogout.logout()
			await response.cookie('lfk_backend__refresh_token', "expired", { expires: new Date(Date.now()), httpOnly: true });
			response.cookie('lfk_backend__refresh_token_expires_at', "expired", { expires: new Date(Date.now()), httpOnly: true });
		} catch (error) {
			throw error;
		}
		return response.send(logout)
	}

	@Post("/refresh")
	@ResponseSchema(ResponseAuth)
	@ResponseSchema(JwtNotProvidedError)
	@ResponseSchema(IllegalJWTError)
	@ResponseSchema(UserNotFoundError)
	@ResponseSchema(RefreshTokenCountInvalidError)
	@OpenAPI({ description: 'Refresh your access and refresh tokens using a valid refresh token. <br> You will receive: \n * access token (use it as a bearer token) \n * refresh token (will also be sent as a cookie)', security: [{ "RefreshTokenCookie": [] }] })
	async refresh(@Body({ validate: true }) refreshAuth: RefreshAuth, @CookieParam("lfk_backend__refresh_token") refresh_token: string, @Res() response: any, @Req() req: any) {
		if (refresh_token && refresh_token.length != 0 && refreshAuth.token == undefined) {
			refreshAuth.token = refresh_token;
		}
		let auth;
		try {
			auth = await refreshAuth.toAuth();
			response.cookie('lfk_backend__refresh_token', auth.refresh_token, { expires: new Date(auth.refresh_token_expires_at * 1000), httpOnly: true });
			response.cookie('lfk_backend__refresh_token_expires_at', auth.refresh_token_expires_at, { expires: new Date(auth.refresh_token_expires_at * 1000), httpOnly: true });
		} catch (error) {
			throw error;
		}
		return response.send(auth)
	}

	@Post("/reset")
	@ResponseSchema(ResponseEmpty, { statusCode: 200 })
	@ResponseSchema(UserNotFoundError, { statusCode: 404 })
	@ResponseSchema(UsernameOrEmailNeededError, { statusCode: 406 })
	@ResponseSchema(MailSendingError, { statusCode: 500 })
	@OpenAPI({ description: "Request a password reset token. <br> This will provide you with a reset token that you can use by posting to /api/auth/reset/{token}.", parameters: [{ in: "query", name: "locale", schema: { type: "string", enum: ["de", "en"] } }] })
	async getResetToken(@Body({ validate: true }) passwordReset: CreateResetToken, @QueryParam("locale") locale: string = "en") {
		const reset_token: string = await passwordReset.toResetToken();
		await Mailer.sendResetMail(passwordReset.email, reset_token, locale);
		return new ResponseEmpty();
	}

	@Post("/reset/:token")
	@ResponseSchema(ResponseAuth)
	@ResponseSchema(UserNotFoundError)
	@ResponseSchema(UsernameOrEmailNeededError)
	@OpenAPI({ description: "Reset a user's utilising a valid password reset token. <br> This will set the user's password to the one you provided in the body. <br> To get a reset token post to /api/auth/reset with your username." })
	async resetPassword(@Param("token") token: string, @Body({ validate: true }) passwordReset: ResetPassword) {
		passwordReset.resetToken = token;
		return await passwordReset.resetPassword();
	}
}