// MsgInfoReq: collect information about the remote host

// Copyright (C) 2021  Simon Ruderich
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package info

import (
	"fmt"
	"runtime"

	"ruderich.org/simon/safcm"
	"ruderich.org/simon/safcm/cmd/safcm-remote/log"
	"ruderich.org/simon/safcm/cmd/safcm-remote/run"
)

type Info struct {
	req  safcm.MsgInfoReq
	resp safcm.MsgInfoResp

	cmd    *run.Cmd
	logger *log.Logger
}

func Handle(req safcm.MsgInfoReq,
	runner run.Runner, fun log.LogFunc) safcm.MsgInfoResp {

	i := Info{
		req:    req,
		logger: log.NewLogger(fun),
	}
	i.cmd = run.NewCmd(runner, i.logger)

	err := i.handle()
	if err != nil {
		i.resp.Error = fmt.Sprintf("%v", err)
	}
	return i.resp
}

func (i *Info) handle() error {
	i.resp.Goos = runtime.GOOS
	i.resp.Goarch = runtime.GOARCH

	for _, x := range i.req.DetectGroups {
		stdout, _, err := i.cmd.Run("detect group",
			"/bin/sh", "-c", x)
		if err != nil {
			return err
		}
		i.resp.Output = append(i.resp.Output, string(stdout))
	}

	return nil
}