import { CanActivate, ExecutionContext, Injectable } from '@nestjs/common';
import { AuthService } from './auth.service.js';

export type AuthenticatedRequest = {
    header: (name: string) => string | undefined;
    auth: { userId: string; sessionId: string };
};

@Injectable()
export class AccessTokenGuard implements CanActivate {
    public constructor(private readonly authService: AuthService) {}
    public async canActivate(context: ExecutionContext) {
        const request = context
            .switchToHttp()
            .getRequest<AuthenticatedRequest>();
        request.auth = await this.authService.authenticate(
            request.header('authorization'),
        );
        return true;
    }
}