import { Injectable } from '@nestjs/common';
import { ConfigService } from '@nestjs/config';
import { PassportStrategy } from '@nestjs/passport';
import { ExtractJwt, Strategy } from 'passport-jwt';

import { User } from '@/users/entities/user.entity';
import { UsersService } from '@/users/users.service';

@Injectable()
export class JwtStrategy extends PassportStrategy(Strategy) {
  constructor(configService: ConfigService, private readonly usersService: UsersService) {
    super({
      jwtFromRequest: ExtractJwt.fromAuthHeaderAsBearerToken(),
      secretOrKey: configService.get<string>('auth.jwtSecret'),
      ignoreExpiration: false,
    });
  }

  validate({ id }: User): Promise<User> {
    return this.usersService.findById(id);
  }
}