package policies

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 = &PolicyId{}

func TestNewPolicyID(t *testing.T) {
	id := NewPolicyID("12345678-1234-9876-4563-123456789012", "example-resource-group", "labName", "policySetName", "policyName")

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

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

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

func TestFormatPolicyID(t *testing.T) {
	actual := NewPolicyID("12345678-1234-9876-4563-123456789012", "example-resource-group", "labName", "policySetName", "policyName").ID()
	expected := "/subscriptions/12345678-1234-9876-4563-123456789012/resourceGroups/example-resource-group/providers/Microsoft.DevTestLab/labs/labName/policySets/policySetName/policies/policyName"
	if actual != expected {
		t.Fatalf("Expected the Formatted ID to be %q but got %q", expected, actual)
	}
}

func TestParsePolicyID(t *testing.T) {
	testData := []struct {
		Input    string
		Error    bool
		Expected *PolicyId
	}{
		{
			// 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.DevTestLab",
			Error: true,
		},
		{
			// Incomplete URI
			Input: "/subscriptions/12345678-1234-9876-4563-123456789012/resourceGroups/example-resource-group/providers/Microsoft.DevTestLab/labs",
			Error: true,
		},
		{
			// Incomplete URI
			Input: "/subscriptions/12345678-1234-9876-4563-123456789012/resourceGroups/example-resource-group/providers/Microsoft.DevTestLab/labs/labName",
			Error: true,
		},
		{
			// Incomplete URI
			Input: "/subscriptions/12345678-1234-9876-4563-123456789012/resourceGroups/example-resource-group/providers/Microsoft.DevTestLab/labs/labName/policySets",
			Error: true,
		},
		{
			// Incomplete URI
			Input: "/subscriptions/12345678-1234-9876-4563-123456789012/resourceGroups/example-resource-group/providers/Microsoft.DevTestLab/labs/labName/policySets/policySetName",
			Error: true,
		},
		{
			// Incomplete URI
			Input: "/subscriptions/12345678-1234-9876-4563-123456789012/resourceGroups/example-resource-group/providers/Microsoft.DevTestLab/labs/labName/policySets/policySetName/policies",
			Error: true,
		},
		{
			// Valid URI
			Input: "/subscriptions/12345678-1234-9876-4563-123456789012/resourceGroups/example-resource-group/providers/Microsoft.DevTestLab/labs/labName/policySets/policySetName/policies/policyName",
			Expected: &PolicyId{
				SubscriptionId:    "12345678-1234-9876-4563-123456789012",
				ResourceGroupName: "example-resource-group",
				LabName:           "labName",
				PolicySetName:     "policySetName",
				PolicyName:        "policyName",
			},
		},
		{
			// Invalid (Valid Uri with Extra segment)
			Input: "/subscriptions/12345678-1234-9876-4563-123456789012/resourceGroups/example-resource-group/providers/Microsoft.DevTestLab/labs/labName/policySets/policySetName/policies/policyName/extra",
			Error: true,
		},
	}
	for _, v := range testData {
		t.Logf("[DEBUG] Testing %q", v.Input)

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

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

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

	}
}

func TestParsePolicyIDInsensitively(t *testing.T) {
	testData := []struct {
		Input    string
		Error    bool
		Expected *PolicyId
	}{
		{
			// 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.DevTestLab",
			Error: true,
		},
		{
			// Incomplete URI (mIxEd CaSe since this is insensitive)
			Input: "/sUbScRiPtIoNs/12345678-1234-9876-4563-123456789012/rEsOuRcEgRoUpS/eXaMpLe-rEsOuRcE-GrOuP/pRoViDeRs/mIcRoSoFt.dEvTeStLaB",
			Error: true,
		},
		{
			// Incomplete URI
			Input: "/subscriptions/12345678-1234-9876-4563-123456789012/resourceGroups/example-resource-group/providers/Microsoft.DevTestLab/labs",
			Error: true,
		},
		{
			// Incomplete URI (mIxEd CaSe since this is insensitive)
			Input: "/sUbScRiPtIoNs/12345678-1234-9876-4563-123456789012/rEsOuRcEgRoUpS/eXaMpLe-rEsOuRcE-GrOuP/pRoViDeRs/mIcRoSoFt.dEvTeStLaB/lAbS",
			Error: true,
		},
		{
			// Incomplete URI
			Input: "/subscriptions/12345678-1234-9876-4563-123456789012/resourceGroups/example-resource-group/providers/Microsoft.DevTestLab/labs/labName",
			Error: true,
		},
		{
			// Incomplete URI (mIxEd CaSe since this is insensitive)
			Input: "/sUbScRiPtIoNs/12345678-1234-9876-4563-123456789012/rEsOuRcEgRoUpS/eXaMpLe-rEsOuRcE-GrOuP/pRoViDeRs/mIcRoSoFt.dEvTeStLaB/lAbS/lAbNaMe",
			Error: true,
		},
		{
			// Incomplete URI
			Input: "/subscriptions/12345678-1234-9876-4563-123456789012/resourceGroups/example-resource-group/providers/Microsoft.DevTestLab/labs/labName/policySets",
			Error: true,
		},
		{
			// Incomplete URI (mIxEd CaSe since this is insensitive)
			Input: "/sUbScRiPtIoNs/12345678-1234-9876-4563-123456789012/rEsOuRcEgRoUpS/eXaMpLe-rEsOuRcE-GrOuP/pRoViDeRs/mIcRoSoFt.dEvTeStLaB/lAbS/lAbNaMe/pOlIcYsEtS",
			Error: true,
		},
		{
			// Incomplete URI
			Input: "/subscriptions/12345678-1234-9876-4563-123456789012/resourceGroups/example-resource-group/providers/Microsoft.DevTestLab/labs/labName/policySets/policySetName",
			Error: true,
		},
		{
			// Incomplete URI (mIxEd CaSe since this is insensitive)
			Input: "/sUbScRiPtIoNs/12345678-1234-9876-4563-123456789012/rEsOuRcEgRoUpS/eXaMpLe-rEsOuRcE-GrOuP/pRoViDeRs/mIcRoSoFt.dEvTeStLaB/lAbS/lAbNaMe/pOlIcYsEtS/pOlIcYsEtNaMe",
			Error: true,
		},
		{
			// Incomplete URI
			Input: "/subscriptions/12345678-1234-9876-4563-123456789012/resourceGroups/example-resource-group/providers/Microsoft.DevTestLab/labs/labName/policySets/policySetName/policies",
			Error: true,
		},
		{
			// Incomplete URI (mIxEd CaSe since this is insensitive)
			Input: "/sUbScRiPtIoNs/12345678-1234-9876-4563-123456789012/rEsOuRcEgRoUpS/eXaMpLe-rEsOuRcE-GrOuP/pRoViDeRs/mIcRoSoFt.dEvTeStLaB/lAbS/lAbNaMe/pOlIcYsEtS/pOlIcYsEtNaMe/pOlIcIeS",
			Error: true,
		},
		{
			// Valid URI
			Input: "/subscriptions/12345678-1234-9876-4563-123456789012/resourceGroups/example-resource-group/providers/Microsoft.DevTestLab/labs/labName/policySets/policySetName/policies/policyName",
			Expected: &PolicyId{
				SubscriptionId:    "12345678-1234-9876-4563-123456789012",
				ResourceGroupName: "example-resource-group",
				LabName:           "labName",
				PolicySetName:     "policySetName",
				PolicyName:        "policyName",
			},
		},
		{
			// Invalid (Valid Uri with Extra segment)
			Input: "/subscriptions/12345678-1234-9876-4563-123456789012/resourceGroups/example-resource-group/providers/Microsoft.DevTestLab/labs/labName/policySets/policySetName/policies/policyName/extra",
			Error: true,
		},
		{
			// Valid URI (mIxEd CaSe since this is insensitive)
			Input: "/sUbScRiPtIoNs/12345678-1234-9876-4563-123456789012/rEsOuRcEgRoUpS/eXaMpLe-rEsOuRcE-GrOuP/pRoViDeRs/mIcRoSoFt.dEvTeStLaB/lAbS/lAbNaMe/pOlIcYsEtS/pOlIcYsEtNaMe/pOlIcIeS/pOlIcYnAmE",
			Expected: &PolicyId{
				SubscriptionId:    "12345678-1234-9876-4563-123456789012",
				ResourceGroupName: "eXaMpLe-rEsOuRcE-GrOuP",
				LabName:           "lAbNaMe",
				PolicySetName:     "pOlIcYsEtNaMe",
				PolicyName:        "pOlIcYnAmE",
			},
		},
		{
			// 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.dEvTeStLaB/lAbS/lAbNaMe/pOlIcYsEtS/pOlIcYsEtNaMe/pOlIcIeS/pOlIcYnAmE/extra",
			Error: true,
		},
	}
	for _, v := range testData {
		t.Logf("[DEBUG] Testing %q", v.Input)

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

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

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

	}
}

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