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

@Global()
@Injectable()
export class JwtAuthGuard implements CanActivate {
  constructor(private readonly authService: AuthService) {}

  async canActivate(context: ExecutionContext): Promise<boolean> {
    const request = context.switchToHttp().getRequest();

    // Read token from cookie
    console.log('------------------------------');
    let g = await request.cookies
    console.log("g : ",g);
    console.log(' guard cookies ------------------------------');
    
    const token = request.cookies?.access_token;

    if (!token) {
      console.log('error from inspect token .....');
      
      throw new UnauthorizedException('Authentication failed');
    }

    try {
      const decoded = await this.authService.decodeToken(token);
      request.user = decoded;
      return true;
    } catch (err) {
      console.log("error in jwt-auth guard below decode : ",err.message);

      throw new UnauthorizedException({
        message: 'Invalid Token',
        error: 'Unauthorized',
        statusCode: 401,
      });
    }
  }
}