package providerinstances

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 = &ProviderInstanceId{}

func TestNewProviderInstanceID(t *testing.T) {
	id := NewProviderInstanceID("12345678-1234-9876-4563-123456789012", "example-resource-group", "monitorName", "providerInstanceName")

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

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

func TestFormatProviderInstanceID(t *testing.T) {
	actual := NewProviderInstanceID("12345678-1234-9876-4563-123456789012", "example-resource-group", "monitorName", "providerInstanceName").ID()
	expected := "/subscriptions/12345678-1234-9876-4563-123456789012/resourceGroups/example-resource-group/providers/Microsoft.Workloads/monitors/monitorName/providerInstances/providerInstanceName"
	if actual != expected {
		t.Fatalf("Expected the Formatted ID to be %q but got %q", expected, actual)
	}
}

func TestParseProviderInstanceID(t *testing.T) {
	testData := []struct {
		Input    string
		Error    bool
		Expected *ProviderInstanceId
	}{
		{
			// 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.Workloads",
			Error: true,
		},
		{
			// Incomplete URI
			Input: "/subscriptions/12345678-1234-9876-4563-123456789012/resourceGroups/example-resource-group/providers/Microsoft.Workloads/monitors",
			Error: true,
		},
		{
			// Incomplete URI
			Input: "/subscriptions/12345678-1234-9876-4563-123456789012/resourceGroups/example-resource-group/providers/Microsoft.Workloads/monitors/monitorName",
			Error: true,
		},
		{
			// Incomplete URI
			Input: "/subscriptions/12345678-1234-9876-4563-123456789012/resourceGroups/example-resource-group/providers/Microsoft.Workloads/monitors/monitorName/providerInstances",
			Error: true,
		},
		{
			// Valid URI
			Input: "/subscriptions/12345678-1234-9876-4563-123456789012/resourceGroups/example-resource-group/providers/Microsoft.Workloads/monitors/monitorName/providerInstances/providerInstanceName",
			Expected: &ProviderInstanceId{
				SubscriptionId:       "12345678-1234-9876-4563-123456789012",
				ResourceGroupName:    "example-resource-group",
				MonitorName:          "monitorName",
				ProviderInstanceName: "providerInstanceName",
			},
		},
		{
			// Invalid (Valid Uri with Extra segment)
			Input: "/subscriptions/12345678-1234-9876-4563-123456789012/resourceGroups/example-resource-group/providers/Microsoft.Workloads/monitors/monitorName/providerInstances/providerInstanceName/extra",
			Error: true,
		},
	}
	for _, v := range testData {
		t.Logf("[DEBUG] Testing %q", v.Input)

		actual, err := ParseProviderInstanceID(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.MonitorName != v.Expected.MonitorName {
			t.Fatalf("Expected %q but got %q for MonitorName", v.Expected.MonitorName, actual.MonitorName)
		}

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

	}
}

func TestParseProviderInstanceIDInsensitively(t *testing.T) {
	testData := []struct {
		Input    string
		Error    bool
		Expected *ProviderInstanceId
	}{
		{
			// 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.Workloads",
			Error: true,
		},
		{
			// Incomplete URI (mIxEd CaSe since this is insensitive)
			Input: "/sUbScRiPtIoNs/12345678-1234-9876-4563-123456789012/rEsOuRcEgRoUpS/eXaMpLe-rEsOuRcE-GrOuP/pRoViDeRs/mIcRoSoFt.wOrKlOaDs",
			Error: true,
		},
		{
			// Incomplete URI
			Input: "/subscriptions/12345678-1234-9876-4563-123456789012/resourceGroups/example-resource-group/providers/Microsoft.Workloads/monitors",
			Error: true,
		},
		{
			// Incomplete URI (mIxEd CaSe since this is insensitive)
			Input: "/sUbScRiPtIoNs/12345678-1234-9876-4563-123456789012/rEsOuRcEgRoUpS/eXaMpLe-rEsOuRcE-GrOuP/pRoViDeRs/mIcRoSoFt.wOrKlOaDs/mOnItOrS",
			Error: true,
		},
		{
			// Incomplete URI
			Input: "/subscriptions/12345678-1234-9876-4563-123456789012/resourceGroups/example-resource-group/providers/Microsoft.Workloads/monitors/monitorName",
			Error: true,
		},
		{
			// Incomplete URI (mIxEd CaSe since this is insensitive)
			Input: "/sUbScRiPtIoNs/12345678-1234-9876-4563-123456789012/rEsOuRcEgRoUpS/eXaMpLe-rEsOuRcE-GrOuP/pRoViDeRs/mIcRoSoFt.wOrKlOaDs/mOnItOrS/mOnItOrNaMe",
			Error: true,
		},
		{
			// Incomplete URI
			Input: "/subscriptions/12345678-1234-9876-4563-123456789012/resourceGroups/example-resource-group/providers/Microsoft.Workloads/monitors/monitorName/providerInstances",
			Error: true,
		},
		{
			// Incomplete URI (mIxEd CaSe since this is insensitive)
			Input: "/sUbScRiPtIoNs/12345678-1234-9876-4563-123456789012/rEsOuRcEgRoUpS/eXaMpLe-rEsOuRcE-GrOuP/pRoViDeRs/mIcRoSoFt.wOrKlOaDs/mOnItOrS/mOnItOrNaMe/pRoViDeRiNsTaNcEs",
			Error: true,
		},
		{
			// Valid URI
			Input: "/subscriptions/12345678-1234-9876-4563-123456789012/resourceGroups/example-resource-group/providers/Microsoft.Workloads/monitors/monitorName/providerInstances/providerInstanceName",
			Expected: &ProviderInstanceId{
				SubscriptionId:       "12345678-1234-9876-4563-123456789012",
				ResourceGroupName:    "example-resource-group",
				MonitorName:          "monitorName",
				ProviderInstanceName: "providerInstanceName",
			},
		},
		{
			// Invalid (Valid Uri with Extra segment)
			Input: "/subscriptions/12345678-1234-9876-4563-123456789012/resourceGroups/example-resource-group/providers/Microsoft.Workloads/monitors/monitorName/providerInstances/providerInstanceName/extra",
			Error: true,
		},
		{
			// Valid URI (mIxEd CaSe since this is insensitive)
			Input: "/sUbScRiPtIoNs/12345678-1234-9876-4563-123456789012/rEsOuRcEgRoUpS/eXaMpLe-rEsOuRcE-GrOuP/pRoViDeRs/mIcRoSoFt.wOrKlOaDs/mOnItOrS/mOnItOrNaMe/pRoViDeRiNsTaNcEs/pRoViDeRiNsTaNcEnAmE",
			Expected: &ProviderInstanceId{
				SubscriptionId:       "12345678-1234-9876-4563-123456789012",
				ResourceGroupName:    "eXaMpLe-rEsOuRcE-GrOuP",
				MonitorName:          "mOnItOrNaMe",
				ProviderInstanceName: "pRoViDeRiNsTaNcEnAmE",
			},
		},
		{
			// 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.wOrKlOaDs/mOnItOrS/mOnItOrNaMe/pRoViDeRiNsTaNcEs/pRoViDeRiNsTaNcEnAmE/extra",
			Error: true,
		},
	}
	for _, v := range testData {
		t.Logf("[DEBUG] Testing %q", v.Input)

		actual, err := ParseProviderInstanceIDInsensitively(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.MonitorName != v.Expected.MonitorName {
			t.Fatalf("Expected %q but got %q for MonitorName", v.Expected.MonitorName, actual.MonitorName)
		}

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

	}
}

func TestSegmentsForProviderInstanceId(t *testing.T) {
	segments := ProviderInstanceId{}.Segments()
	if len(segments) == 0 {
		t.Fatalf("ProviderInstanceId 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))
	}
}
