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

@Injectable()
export class JwtStrategy extends PassportStrategy(Strategy) {
  constructor(private configService: ConfigService) {
    super({
      jwtFromRequest: (request: FastifyRequest) => {
        const authHeader = request.headers.authorization;
        if (authHeader && authHeader.startsWith('Bearer ')) {
          return authHeader.substring(7);
        }
        return null;
      },
      ignoreExpiration: false,
      secretOrKey: configService.get<string>('JWT_SECRET', 'devsecret'),
    });
  }

  async validate(payload: any) {
    return {
      userId: payload.sub,
      email: payload.email,
      tenantId: payload.tenantId,
    };
  }
}