// Copyright © 2020 Ettore Di Giacinto <mudler@gentoo.org>
//
// 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 2 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 solver

import (
	"github.com/crillab/gophersat/bf"
	"github.com/pkg/errors"
)

//. "github.com/mudler/luet/pkg/logger"

// PackageResolver assists PackageSolver on unsat cases
type PackageResolver interface {
	Solve(bf.Formula, PackageSolver) (map[string]bool, error)
}

type DummyPackageResolver struct {
}

func (*DummyPackageResolver) Solve(bf.Formula, PackageSolver) (map[string]bool, error) {
	return map[string]bool{}, errors.New("Could not satisfy the constraints. Try again by removing deps ")
}