. $PSScriptRoot\..\..\Load-PesterModules.ps1
$here = Split-Path -Parent $MyInvocation.MyCommand.Path
$sut = (Split-Path -Leaf $MyInvocation.MyCommand.Path) -replace '\.tests\.', '.'
$functionPath = Join-Path -Path $here -ChildPath $sut
Write-Host "Overriding SUT: $functionPath"
Import-Module $functionPath -Force
$moduleForMock = ""

Describe "Get-NewRelicObjects" {
    $apiKey = "this key is garbage"

    Mock -ModuleName $moduleForMock Get-LogLeadName -MockWith { return "[UUT]" }
    Mock -ModuleName $moduleForMock Write-Warning -MockWith { }
    Mock -ModuleName $moduleForMock Get-NewRelicNextLink -MockWith { }

    Context "Gets an empty response from NR if no data returned" {
        Mock -ModuleName $moduleForMock Invoke-WebRequest -MockWith {
            $response = New-MockObject -Type  ([Microsoft.PowerShell.Commands.BasicHtmlWebResponseObject])
            $content = '{"applications": []}'
            $statusCode = 200
            $response | Add-Member -NotePropertyName Content -NotePropertyValue $content -Force
            $response | Add-Member -NotePropertyName StatusCode -NotePropertyValue $statusCode -Force

            return $response
        }

        It "is empty" {
            $applications = (Get-NewRelicObjects -apiKey $apiKey -initialUrl "https://api.newrelic.com/v2/applications.json" -ObjectKey "applications" -FilterKey "name" -FilterValue "Some.Package.Id").applications
            $applications | Should -BeNullOrEmpty
        }
    }

    Context "Gets a response with values from NR if some data returned" {
        Mock -ModuleName $moduleForMock Invoke-WebRequest -MockWith {
            $response = New-MockObject -Type  ([Microsoft.PowerShell.Commands.BasicHtmlWebResponseObject])
            $content = @"
{"applications": [
    {"id":1234,"name":"Unit Test Environment sample application"},
    {"id":5678,"name":"Unit Test Environment Alkami.Microservice Test 1"},
    {"id":1010,"name":"Unit Test Environment Alkami.Microservice Test 2"},
    {"id":9876,"name":"Fake Pod 12 Alkami.Microservice Test 3"},
    {"id":8765,"name":"Fake Pod 12.1 Alkami.Microservice Test 4"}
]}
"@
            $statusCode = 200
            $response | Add-Member -NotePropertyName Content -NotePropertyValue $content -Force
            $response | Add-Member -NotePropertyName StatusCode -NotePropertyValue $statusCode -Force

            return $response
        }

        $applications = (Get-NewRelicObjects -apiKey $apiKey -initialUrl "https://api.newrelic.com/v2/applications.json" -ObjectKey "applications").applications

        It "is not empty" {
            $applications | Should -Not -BeNullOrEmpty
        }

        It "has 5 elements" {
            $applications | Should -HaveCount 5
        }
    }

    Context "Gets a response with values from NR if some data returned" {
        Mock -ModuleName $moduleForMock Invoke-WebRequest -MockWith {
            $response = New-MockObject -Type  ([Microsoft.PowerShell.Commands.BasicHtmlWebResponseObject])
            $content = @"
{"applications": [
    {"id":1234,"name":"Unit Test Environment 1 sample application"},
    {"id":5678,"name":"Unit Test Environment 1 Alkami.Microservice Test 1"},
    {"id":1010,"name":"Unit Test Environment 1 Alkami.Microservice Test 2"},
    {"id":1234,"name":"Unit Test Environment 12 sample application"},
    {"id":5678,"name":"Unit Test Environment 12 Alkami.Microservice Test 1"},
    {"id":1010,"name":"Unit Test Environment 12 Alkami.Microservice Test 2"}
]}
"@
            $statusCode = 200
            $response | Add-Member -NotePropertyName Content -NotePropertyValue $content -Force
            $response | Add-Member -NotePropertyName StatusCode -NotePropertyValue $statusCode -Force

            return $response
        }

        $applications = (Get-NewRelicObjects -apiKey $apiKey -initialUrl "https://api.newrelic.com/v2/applications.json" -ObjectKey "applications" -FilterKey "name" -FilterValue "Unit Test Environment 1").applications

        It "is not empty" {
            $applications | Should -Not -BeNullOrEmpty
        }

        It "has 3 filtered elements" {
            $applications | Should -HaveCount 3
        }
    }
}