// mmc -- Mattermost client
// Copyright (C) 2023-2024 Sergey Matveev <stargrave@stargrave.org>
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License.
//
// 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 Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package main

import (
	"flag"
	"log"
	"net/url"

	"github.com/mattermost/mattermost-server/v6/model"
	"go.cypherpunks.ru/netrc"
	"go.stargrave.org/mmc/internal"
)

func main() {
	entrypoint := flag.String("entrypoint", mmc.GetEntrypoint(), "Entrypoint")
	flag.Parse()
	log.SetFlags(log.Lshortfile)
	chId := flag.Arg(0)
	entrypointURL, err := url.Parse(*entrypoint)
	if err != nil {
		log.Fatalln(err)
	}
	login, password := netrc.Find(entrypointURL.Hostname())
	if login == "" || password == "" {
		log.Fatalln("no credentials found for:", entrypointURL.Hostname())
	}
	c := model.NewAPIv4Client(*entrypoint)
	c.Login(login, password)
	me, _, err := c.GetMe("")
	if err != nil {
		log.Fatalln(err)
	}
	if _, err = c.RemoveUserFromChannel(chId, me.Id); err != nil {
		log.Println("RemoveUserFromChannel:", err)
	}
	c.Logout()
}