/*
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 session

import (
	"testing"
	"time"

	"github.com/aws/aws-sdk-go/aws"
	"github.com/aws/aws-sdk-go/aws/credentials/stscreds"
	"github.com/aws/aws-sdk-go/aws/session"
	"github.com/aws/aws-sdk-go/service/sts"
	"github.com/stretchr/testify/assert"

	fakesess "github.com/external-secrets/external-secrets/pkg/provider/aws/session/fake"
)

func TestSession(t *testing.T) {
	tbl := []struct {
		test              string
		aks               string
		sak               string
		region            string
		role              string
		sts               STSProvider
		expectedKeyID     string
		expectedSecretKey string
	}{
		{
			test:              "test default role provider",
			aks:               "2222",
			sak:               "1111",
			region:            "xxxxx",
			role:              "",
			sts:               DefaultSTSProvider,
			expectedSecretKey: "1111",
			expectedKeyID:     "2222",
		},
		{
			test:   "test custom sts provider",
			aks:    "1111",
			sak:    "2222",
			region: "xxxxx",
			role:   "zzzzz",
			sts: func(*session.Session) stscreds.AssumeRoler {
				return &fakesess.AssumeRoler{
					AssumeRoleFunc: func(input *sts.AssumeRoleInput) (*sts.AssumeRoleOutput, error) {
						assert.Equal(t, *input.RoleArn, "zzzzz")
						return &sts.AssumeRoleOutput{
							AssumedRoleUser: &sts.AssumedRoleUser{
								Arn:           aws.String("1123132"),
								AssumedRoleId: aws.String("xxxxx"),
							},
							Credentials: &sts.Credentials{
								SecretAccessKey: aws.String("3333"),
								AccessKeyId:     aws.String("4444"),
								Expiration:      aws.Time(time.Now().Add(time.Hour)),
								SessionToken:    aws.String("6666"),
							},
						}, nil
					},
				}
			},
			expectedSecretKey: "3333",
			expectedKeyID:     "4444",
		},
	}
	for i := range tbl {
		row := tbl[i]
		t.Run(row.test, func(t *testing.T) {
			sess, err := New(row.sak, row.aks, row.region, row.role, row.sts)
			assert.Nil(t, err)
			creds, err := sess.Config.Credentials.Get()
			assert.Nil(t, err)
			assert.Equal(t, row.expectedKeyID, creds.AccessKeyID)
			assert.Equal(t, row.expectedSecretKey, creds.SecretAccessKey)
		})
	}
}