// Copyright 2018 Palantir Technologies, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package common

import (
	"edge-infra.dev/pkg/f8n/devinfra/repo/owners/policybot/pull"
)

type EvaluationStatus int

const (
	StatusSkipped EvaluationStatus = iota // note: values used for ordering
	StatusPending
	StatusApproved
	StatusDisapproved
)

func (s EvaluationStatus) String() string {
	switch s {
	case StatusSkipped:
		return "skipped"
	case StatusPending:
		return "pending"
	case StatusApproved:
		return "approved"
	case StatusDisapproved:
		return "disapproved"
	}
	return "unknown"
}

type RequestMode string

const (
	RequestModeAllUsers    RequestMode = "all-users"
	RequestModeRandomUsers RequestMode = "random-users"
	RequestModeTeams       RequestMode = "teams"
)

type ReviewRequestRule struct {
	Teams         []string
	Users         []string
	Organizations []string
	Permissions   []pull.Permission
	RequiredCount int

	Mode RequestMode
}

type Result struct {
	Name              string
	Description       string
	StatusDescription string
	Status            EvaluationStatus
	Error             error
	PredicateResults  []*PredicateResult
	Requires          Actors

	ReviewRequestRule *ReviewRequestRule
	AllowedCandidates []*Candidate

	Children []*Result
}