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

export interface JwtPayload {
  id: string;
  usuario: string;
}

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

  async validate(payload: JwtPayload) {
    if (!payload || !payload.id || !payload.usuario) {
      throw new ForbiddenException('Token inválido o corrupto');
    }
    return { id: payload.id, usuario: payload.usuario };
  }
}