import { ExtractJwt, Strategy } from 'passport-jwt';
import { PassportStrategy } from '@nestjs/passport';
import { Injectable, UnauthorizedException } from '@nestjs/common';
import { UsersService } from '../users/users.service';

@Injectable()
export class JwtStrategy extends PassportStrategy(Strategy) {
  constructor(private readonly usersService: UsersService) {
    super({
      jwtFromRequest: ExtractJwt.fromAuthHeaderAsBearerToken(),
      ignoreExpiration: false,
      secretOrKey: process.env.JWT_SECRET || 'super-secret-key',
    });
  }

  async validate(payload: any) {
    const user = await this.usersService.findById(payload.sub);
    if (!user) {
      throw new UnauthorizedException('کاربر یافت نشد');
    }
    return user;
  }
}