package externalaccount

import (
	"testing"
)

var testFileConfig = Config{
	Audience:                       "32555940559.apps.googleusercontent.com",
	SubjectTokenType:               "urn:ietf:params:oauth:token-type:jwt",
	TokenURL:                       "http://localhost:8080/v1/token",
	TokenInfoURL:                   "http://localhost:8080/v1/tokeninfo",
	ServiceAccountImpersonationURL: "https://iamcredentials.googleapis.com/v1/projects/-/serviceAccounts/service-gcs-admin@$PROJECT_ID.iam.gserviceaccount.com:generateAccessToken",
	ClientSecret:                   "notsosecret",
	ClientID:                       "rbrgnognrhongo3bi4gb9ghg9g",
}

type fsTest struct {
	name string
	cs   CredentialSource
	want string
}

var testFsUntyped = fsTest{
	name: "UntypedFileSource",
	cs: CredentialSource{
		File: "../../testdata/externalaccount/3pi_cred.txt",
	},
	want: "street123",
}
var testFsTypeText = fsTest{
	name: "TextFileSource",
	cs: CredentialSource{
		File:   "../../testdata/externalaccount/3pi_cred.txt",
		Format: format{Type: fileTypeText},
	},
	want: "street123",
}
var testFsTypeJSON = fsTest{
	name: "JSONFileSource",
	cs: CredentialSource{
		File:   "../../testdata/externalaccount/3pi_cred.json",
		Format: format{Type: fileTypeJSON, SubjectTokenFieldName: "SubjToken"},
	},
	want: "321road",
}
var fileSourceTests = []fsTest{testFsUntyped, testFsTypeText, testFsTypeJSON}

func TestRetrieveFileSubjectToken(t *testing.T) {
	for _, test := range fileSourceTests {
		tfc := testFileConfig
		tfc.CredentialSource = test.cs

		out, err := test.cs.instance().retrieveSubjectToken(&tfc)
		if err != nil {
			t.Errorf("Method retrieveSubjectToken for type fileCredentialSource in test %v failed; %e", test.name, err)
		}
		if out != test.want {
			t.Errorf("Test %v for method retrieveSubjectToken for type fileCredentialSouce failed: expected %v but got %v", test.name, test.want, out)
		}
	}
}