package filer

import (
	"bytes"
	"testing"

	. "github.com/seaweedfs/seaweedfs/weed/s3api/s3_constants"

	"github.com/seaweedfs/seaweedfs/weed/pb/iam_pb"

	"github.com/stretchr/testify/assert"
)

func TestS3Conf(t *testing.T) {
	s3Conf := &iam_pb.S3ApiConfiguration{
		Identities: []*iam_pb.Identity{
			{
				Name: "some_name",
				Credentials: []*iam_pb.Credential{
					{
						AccessKey: "some_access_key1",
						SecretKey: "some_secret_key1",
					},
				},
				Actions: []string{
					ACTION_ADMIN,
					ACTION_READ,
					ACTION_WRITE,
				},
			},
			{
				Name: "some_read_only_user",
				Credentials: []*iam_pb.Credential{
					{
						AccessKey: "some_access_key2",
						SecretKey: "some_secret_key2",
					},
				},
				Actions: []string{
					ACTION_READ,
					ACTION_TAGGING,
					ACTION_LIST,
				},
			},
		},
	}
	var buf bytes.Buffer
	err := ProtoToText(&buf, s3Conf)
	assert.Equal(t, err, nil)
	s3ConfSaved := &iam_pb.S3ApiConfiguration{}
	err = ParseS3ConfigurationFromBytes(buf.Bytes(), s3ConfSaved)
	assert.Equal(t, err, nil)

	assert.Equal(t, "some_name", s3ConfSaved.Identities[0].Name)
	assert.Equal(t, "some_read_only_user", s3ConfSaved.Identities[1].Name)
	assert.Equal(t, "some_access_key1", s3ConfSaved.Identities[0].Credentials[0].AccessKey)
	assert.Equal(t, "some_secret_key2", s3ConfSaved.Identities[1].Credentials[0].SecretKey)
}

func TestCheckDuplicateAccessKey(t *testing.T) {
	var tests = []struct {
		s3cfg *iam_pb.S3ApiConfiguration
		err   string
	}{
		{
			&iam_pb.S3ApiConfiguration{
				Identities: []*iam_pb.Identity{
					{
						Name: "some_name",
						Credentials: []*iam_pb.Credential{
							{
								AccessKey: "some_access_key1",
								SecretKey: "some_secret_key1",
							},
						},
						Actions: []string{
							ACTION_ADMIN,
							ACTION_READ,
							ACTION_WRITE,
						},
					},
					{
						Name: "some_read_only_user",
						Credentials: []*iam_pb.Credential{
							{
								AccessKey: "some_access_key2",
								SecretKey: "some_secret_key2",
							},
						},
						Actions: []string{
							ACTION_READ,
							ACTION_TAGGING,
							ACTION_LIST,
						},
					},
				},
			},
			"",
		},
		{
			&iam_pb.S3ApiConfiguration{
				Identities: []*iam_pb.Identity{
					{
						Name: "some_name",
						Credentials: []*iam_pb.Credential{
							{
								AccessKey: "some_access_key1",
								SecretKey: "some_secret_key1",
							},
						},
						Actions: []string{
							ACTION_ADMIN,
							ACTION_READ,
							ACTION_WRITE,
						},
					},
					{
						Name: "some_read_only_user",
						Credentials: []*iam_pb.Credential{
							{
								AccessKey: "some_access_key1",
								SecretKey: "some_secret_key1",
							},
						},
						Actions: []string{
							ACTION_READ,
							ACTION_TAGGING,
							ACTION_LIST,
						},
					},
				},
			},
			"duplicate accessKey[some_access_key1], already configured in user[some_name]",
		},
	}
	for i, test := range tests {
		err := CheckDuplicateAccessKey(test.s3cfg)
		var errString string
		if err == nil {
			errString = ""
		} else {
			errString = err.Error()
		}
		if errString != test.err {
			t.Errorf("[%d]: got: %s expected: %s", i, errString, test.err)
		}
	}
}
