import {
	BadRequestException,
	Body,
	Controller,
	HttpCode,
	Post,
	Request,
	UseGuards
} from '@nestjs/common';
import { AuthService } from '../services/auth';
import { AuthGuard } from '@nestjs/passport';
import { Public } from '../authguards';
import {
	ErrorResponse,
	LoginResponse,
	RefreshResponse,
	SignupResponse
} from 'dto';

@Controller('api/auth')
export default class AuthController {
	constructor(private authService: AuthService) {}

	@Public()
	@UseGuards(AuthGuard('local'))
	@Post('login')
	@HttpCode(200)
	async login(@Request() req): Promise<LoginResponse> {
		return {
			statusCode: 200,
			jwt: await this.authService.login(req.user)
		};
	}

	@Public()
	@Post('signup')
	async signup(
		@Body('username') username,
		@Body('password') password
	): Promise<SignupResponse | ErrorResponse> {
		if ((await this.authService.findUser(username)) != null)
			throw new BadRequestException('Username already taken');
		await this.authService.signup(username, password);
		return {
			statusCode: 200
		};
	}

	@Post('refresh')
	async refresh(@Request() req): Promise<RefreshResponse | ErrorResponse> {
		const token = await this.authService.login(req.user);
		await this.authService.revoke(req.token);
		return {
			statusCode: 200,
			jwt: token
		};
	}
}