// Copyright 2016-2018, Pulumi Corporation.
//
// 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 plugin

import (
	"github.com/pulumi/pulumi/pkg/util/mapper"
	lumirpc "github.com/pulumi/pulumi/sdk/proto/go"
)

// NewCheckResponse produces a response with property validation failures from the given array of mapper failures.
func NewCheckResponse(err error) *lumirpc.CheckResponse {
	var failures []*lumirpc.CheckFailure
	if err != nil {
		switch e := err.(type) {
		case mapper.MappingError:
			for _, failure := range e.Failures() {
				switch f := failure.(type) {
				case mapper.FieldError:
					failures = append(failures, &lumirpc.CheckFailure{
						Property: f.Field(),
						Reason:   f.Reason(),
					})
				default:
					failures = append(failures, &lumirpc.CheckFailure{Reason: f.Error()})
				}
			}
		default:
			failures = append(failures, &lumirpc.CheckFailure{Reason: e.Error()})
		}
	}
	return &lumirpc.CheckResponse{Failures: failures}
}