package snapshots

import (
	"testing"

	"github.com/hashicorp/go-azure-helpers/resourcemanager/resourceids"
)

// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT License. See NOTICE.txt in the project root for license information.

var _ resourceids.ResourceId = &VolumeGroupId{}

func TestNewVolumeGroupID(t *testing.T) {
	id := NewVolumeGroupID("12345678-1234-9876-4563-123456789012", "example-resource-group", "elasticSanName", "volumeGroupName")

	if id.SubscriptionId != "12345678-1234-9876-4563-123456789012" {
		t.Fatalf("Expected %q but got %q for Segment 'SubscriptionId'", id.SubscriptionId, "12345678-1234-9876-4563-123456789012")
	}

	if id.ResourceGroupName != "example-resource-group" {
		t.Fatalf("Expected %q but got %q for Segment 'ResourceGroupName'", id.ResourceGroupName, "example-resource-group")
	}

	if id.ElasticSanName != "elasticSanName" {
		t.Fatalf("Expected %q but got %q for Segment 'ElasticSanName'", id.ElasticSanName, "elasticSanName")
	}

	if id.VolumeGroupName != "volumeGroupName" {
		t.Fatalf("Expected %q but got %q for Segment 'VolumeGroupName'", id.VolumeGroupName, "volumeGroupName")
	}
}

func TestFormatVolumeGroupID(t *testing.T) {
	actual := NewVolumeGroupID("12345678-1234-9876-4563-123456789012", "example-resource-group", "elasticSanName", "volumeGroupName").ID()
	expected := "/subscriptions/12345678-1234-9876-4563-123456789012/resourceGroups/example-resource-group/providers/Microsoft.ElasticSan/elasticSans/elasticSanName/volumeGroups/volumeGroupName"
	if actual != expected {
		t.Fatalf("Expected the Formatted ID to be %q but got %q", expected, actual)
	}
}

func TestParseVolumeGroupID(t *testing.T) {
	testData := []struct {
		Input    string
		Error    bool
		Expected *VolumeGroupId
	}{
		{
			// Incomplete URI
			Input: "",
			Error: true,
		},
		{
			// Incomplete URI
			Input: "/subscriptions",
			Error: true,
		},
		{
			// Incomplete URI
			Input: "/subscriptions/12345678-1234-9876-4563-123456789012",
			Error: true,
		},
		{
			// Incomplete URI
			Input: "/subscriptions/12345678-1234-9876-4563-123456789012/resourceGroups",
			Error: true,
		},
		{
			// Incomplete URI
			Input: "/subscriptions/12345678-1234-9876-4563-123456789012/resourceGroups/example-resource-group",
			Error: true,
		},
		{
			// Incomplete URI
			Input: "/subscriptions/12345678-1234-9876-4563-123456789012/resourceGroups/example-resource-group/providers",
			Error: true,
		},
		{
			// Incomplete URI
			Input: "/subscriptions/12345678-1234-9876-4563-123456789012/resourceGroups/example-resource-group/providers/Microsoft.ElasticSan",
			Error: true,
		},
		{
			// Incomplete URI
			Input: "/subscriptions/12345678-1234-9876-4563-123456789012/resourceGroups/example-resource-group/providers/Microsoft.ElasticSan/elasticSans",
			Error: true,
		},
		{
			// Incomplete URI
			Input: "/subscriptions/12345678-1234-9876-4563-123456789012/resourceGroups/example-resource-group/providers/Microsoft.ElasticSan/elasticSans/elasticSanName",
			Error: true,
		},
		{
			// Incomplete URI
			Input: "/subscriptions/12345678-1234-9876-4563-123456789012/resourceGroups/example-resource-group/providers/Microsoft.ElasticSan/elasticSans/elasticSanName/volumeGroups",
			Error: true,
		},
		{
			// Valid URI
			Input: "/subscriptions/12345678-1234-9876-4563-123456789012/resourceGroups/example-resource-group/providers/Microsoft.ElasticSan/elasticSans/elasticSanName/volumeGroups/volumeGroupName",
			Expected: &VolumeGroupId{
				SubscriptionId:    "12345678-1234-9876-4563-123456789012",
				ResourceGroupName: "example-resource-group",
				ElasticSanName:    "elasticSanName",
				VolumeGroupName:   "volumeGroupName",
			},
		},
		{
			// Invalid (Valid Uri with Extra segment)
			Input: "/subscriptions/12345678-1234-9876-4563-123456789012/resourceGroups/example-resource-group/providers/Microsoft.ElasticSan/elasticSans/elasticSanName/volumeGroups/volumeGroupName/extra",
			Error: true,
		},
	}
	for _, v := range testData {
		t.Logf("[DEBUG] Testing %q", v.Input)

		actual, err := ParseVolumeGroupID(v.Input)
		if err != nil {
			if v.Error {
				continue
			}

			t.Fatalf("Expect a value but got an error: %+v", err)
		}
		if v.Error {
			t.Fatal("Expect an error but didn't get one")
		}

		if actual.SubscriptionId != v.Expected.SubscriptionId {
			t.Fatalf("Expected %q but got %q for SubscriptionId", v.Expected.SubscriptionId, actual.SubscriptionId)
		}

		if actual.ResourceGroupName != v.Expected.ResourceGroupName {
			t.Fatalf("Expected %q but got %q for ResourceGroupName", v.Expected.ResourceGroupName, actual.ResourceGroupName)
		}

		if actual.ElasticSanName != v.Expected.ElasticSanName {
			t.Fatalf("Expected %q but got %q for ElasticSanName", v.Expected.ElasticSanName, actual.ElasticSanName)
		}

		if actual.VolumeGroupName != v.Expected.VolumeGroupName {
			t.Fatalf("Expected %q but got %q for VolumeGroupName", v.Expected.VolumeGroupName, actual.VolumeGroupName)
		}

	}
}

func TestParseVolumeGroupIDInsensitively(t *testing.T) {
	testData := []struct {
		Input    string
		Error    bool
		Expected *VolumeGroupId
	}{
		{
			// Incomplete URI
			Input: "",
			Error: true,
		},
		{
			// Incomplete URI
			Input: "/subscriptions",
			Error: true,
		},
		{
			// Incomplete URI (mIxEd CaSe since this is insensitive)
			Input: "/sUbScRiPtIoNs",
			Error: true,
		},
		{
			// Incomplete URI
			Input: "/subscriptions/12345678-1234-9876-4563-123456789012",
			Error: true,
		},
		{
			// Incomplete URI (mIxEd CaSe since this is insensitive)
			Input: "/sUbScRiPtIoNs/12345678-1234-9876-4563-123456789012",
			Error: true,
		},
		{
			// Incomplete URI
			Input: "/subscriptions/12345678-1234-9876-4563-123456789012/resourceGroups",
			Error: true,
		},
		{
			// Incomplete URI (mIxEd CaSe since this is insensitive)
			Input: "/sUbScRiPtIoNs/12345678-1234-9876-4563-123456789012/rEsOuRcEgRoUpS",
			Error: true,
		},
		{
			// Incomplete URI
			Input: "/subscriptions/12345678-1234-9876-4563-123456789012/resourceGroups/example-resource-group",
			Error: true,
		},
		{
			// Incomplete URI (mIxEd CaSe since this is insensitive)
			Input: "/sUbScRiPtIoNs/12345678-1234-9876-4563-123456789012/rEsOuRcEgRoUpS/eXaMpLe-rEsOuRcE-GrOuP",
			Error: true,
		},
		{
			// Incomplete URI
			Input: "/subscriptions/12345678-1234-9876-4563-123456789012/resourceGroups/example-resource-group/providers",
			Error: true,
		},
		{
			// Incomplete URI (mIxEd CaSe since this is insensitive)
			Input: "/sUbScRiPtIoNs/12345678-1234-9876-4563-123456789012/rEsOuRcEgRoUpS/eXaMpLe-rEsOuRcE-GrOuP/pRoViDeRs",
			Error: true,
		},
		{
			// Incomplete URI
			Input: "/subscriptions/12345678-1234-9876-4563-123456789012/resourceGroups/example-resource-group/providers/Microsoft.ElasticSan",
			Error: true,
		},
		{
			// Incomplete URI (mIxEd CaSe since this is insensitive)
			Input: "/sUbScRiPtIoNs/12345678-1234-9876-4563-123456789012/rEsOuRcEgRoUpS/eXaMpLe-rEsOuRcE-GrOuP/pRoViDeRs/mIcRoSoFt.eLaStIcSaN",
			Error: true,
		},
		{
			// Incomplete URI
			Input: "/subscriptions/12345678-1234-9876-4563-123456789012/resourceGroups/example-resource-group/providers/Microsoft.ElasticSan/elasticSans",
			Error: true,
		},
		{
			// Incomplete URI (mIxEd CaSe since this is insensitive)
			Input: "/sUbScRiPtIoNs/12345678-1234-9876-4563-123456789012/rEsOuRcEgRoUpS/eXaMpLe-rEsOuRcE-GrOuP/pRoViDeRs/mIcRoSoFt.eLaStIcSaN/eLaStIcSaNs",
			Error: true,
		},
		{
			// Incomplete URI
			Input: "/subscriptions/12345678-1234-9876-4563-123456789012/resourceGroups/example-resource-group/providers/Microsoft.ElasticSan/elasticSans/elasticSanName",
			Error: true,
		},
		{
			// Incomplete URI (mIxEd CaSe since this is insensitive)
			Input: "/sUbScRiPtIoNs/12345678-1234-9876-4563-123456789012/rEsOuRcEgRoUpS/eXaMpLe-rEsOuRcE-GrOuP/pRoViDeRs/mIcRoSoFt.eLaStIcSaN/eLaStIcSaNs/eLaStIcSaNnAmE",
			Error: true,
		},
		{
			// Incomplete URI
			Input: "/subscriptions/12345678-1234-9876-4563-123456789012/resourceGroups/example-resource-group/providers/Microsoft.ElasticSan/elasticSans/elasticSanName/volumeGroups",
			Error: true,
		},
		{
			// Incomplete URI (mIxEd CaSe since this is insensitive)
			Input: "/sUbScRiPtIoNs/12345678-1234-9876-4563-123456789012/rEsOuRcEgRoUpS/eXaMpLe-rEsOuRcE-GrOuP/pRoViDeRs/mIcRoSoFt.eLaStIcSaN/eLaStIcSaNs/eLaStIcSaNnAmE/vOlUmEgRoUpS",
			Error: true,
		},
		{
			// Valid URI
			Input: "/subscriptions/12345678-1234-9876-4563-123456789012/resourceGroups/example-resource-group/providers/Microsoft.ElasticSan/elasticSans/elasticSanName/volumeGroups/volumeGroupName",
			Expected: &VolumeGroupId{
				SubscriptionId:    "12345678-1234-9876-4563-123456789012",
				ResourceGroupName: "example-resource-group",
				ElasticSanName:    "elasticSanName",
				VolumeGroupName:   "volumeGroupName",
			},
		},
		{
			// Invalid (Valid Uri with Extra segment)
			Input: "/subscriptions/12345678-1234-9876-4563-123456789012/resourceGroups/example-resource-group/providers/Microsoft.ElasticSan/elasticSans/elasticSanName/volumeGroups/volumeGroupName/extra",
			Error: true,
		},
		{
			// Valid URI (mIxEd CaSe since this is insensitive)
			Input: "/sUbScRiPtIoNs/12345678-1234-9876-4563-123456789012/rEsOuRcEgRoUpS/eXaMpLe-rEsOuRcE-GrOuP/pRoViDeRs/mIcRoSoFt.eLaStIcSaN/eLaStIcSaNs/eLaStIcSaNnAmE/vOlUmEgRoUpS/vOlUmEgRoUpNaMe",
			Expected: &VolumeGroupId{
				SubscriptionId:    "12345678-1234-9876-4563-123456789012",
				ResourceGroupName: "eXaMpLe-rEsOuRcE-GrOuP",
				ElasticSanName:    "eLaStIcSaNnAmE",
				VolumeGroupName:   "vOlUmEgRoUpNaMe",
			},
		},
		{
			// Invalid (Valid Uri with Extra segment - mIxEd CaSe since this is insensitive)
			Input: "/sUbScRiPtIoNs/12345678-1234-9876-4563-123456789012/rEsOuRcEgRoUpS/eXaMpLe-rEsOuRcE-GrOuP/pRoViDeRs/mIcRoSoFt.eLaStIcSaN/eLaStIcSaNs/eLaStIcSaNnAmE/vOlUmEgRoUpS/vOlUmEgRoUpNaMe/extra",
			Error: true,
		},
	}
	for _, v := range testData {
		t.Logf("[DEBUG] Testing %q", v.Input)

		actual, err := ParseVolumeGroupIDInsensitively(v.Input)
		if err != nil {
			if v.Error {
				continue
			}

			t.Fatalf("Expect a value but got an error: %+v", err)
		}
		if v.Error {
			t.Fatal("Expect an error but didn't get one")
		}

		if actual.SubscriptionId != v.Expected.SubscriptionId {
			t.Fatalf("Expected %q but got %q for SubscriptionId", v.Expected.SubscriptionId, actual.SubscriptionId)
		}

		if actual.ResourceGroupName != v.Expected.ResourceGroupName {
			t.Fatalf("Expected %q but got %q for ResourceGroupName", v.Expected.ResourceGroupName, actual.ResourceGroupName)
		}

		if actual.ElasticSanName != v.Expected.ElasticSanName {
			t.Fatalf("Expected %q but got %q for ElasticSanName", v.Expected.ElasticSanName, actual.ElasticSanName)
		}

		if actual.VolumeGroupName != v.Expected.VolumeGroupName {
			t.Fatalf("Expected %q but got %q for VolumeGroupName", v.Expected.VolumeGroupName, actual.VolumeGroupName)
		}

	}
}

func TestSegmentsForVolumeGroupId(t *testing.T) {
	segments := VolumeGroupId{}.Segments()
	if len(segments) == 0 {
		t.Fatalf("VolumeGroupId has no segments")
	}

	uniqueNames := make(map[string]struct{}, 0)
	for _, segment := range segments {
		uniqueNames[segment.Name] = struct{}{}
	}
	if len(uniqueNames) != len(segments) {
		t.Fatalf("Expected the Segments to be unique but got %q unique segments and %d total segments", len(uniqueNames), len(segments))
	}
}
