// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0

package main

import (
	"errors"
	"testing"
	"time"

	"github.com/aws/aws-sdk-go/service/iam"
	"github.com/aws/aws-sdk-go/service/iam/iamiface"
)

// Define a mock struct to use in unit tests
type mockIAMClient struct {
	iamiface.IAMAPI
}

func (m *mockIAMClient) CreatePolicy(input *iam.CreatePolicyInput) (*iam.CreatePolicyOutput, error) {
	//     Check that required inputs exist
	if input.PolicyDocument == nil || *input.PolicyDocument == "" || input.PolicyName == nil || *input.PolicyName == "" {
		return nil, errors.New("CreatePolicyInput.PolicyDocument or CreatePolicyInput.PolicyName is nil or an empty string")
	}

	resp := iam.CreatePolicyOutput{}
	return &resp, nil
}

func TestCreatePolicy(t *testing.T) {
	thisTime := time.Now()
	nowString := thisTime.Format("2006-01-02 15:04:05 Monday")
	t.Log("Starting unit test at " + nowString)

	mockSvc := &mockIAMClient{}

	policyName := "test-policy"

	err := MakePolicy(mockSvc, &policyName)
	if err != nil {
		t.Fatal(err)
	}

	t.Log("Created policy " + policyName)
}
