. $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 = ""
$currentErrorActionPreference = $ErrorActionPreference
$ErrorActionPreference = "stop"

Describe "Get-EnvironmentData" {
    $fakeDotNetConfigPath = Join-Path -Path $TestDrive -ChildPath "machine.config"
    # Return each of the settings based on parameter filters
    Mock -CommandName Write-Host -ModuleName $moduleForMock -MockWith {}
    Mock -CommandName Write-Warning -ModuleName $moduleForMock -MockWith {}

    Mock -CommandName Get-UncPath -ModuleName $moduleForMock -MockWith { return $fakeDotNetConfigPath }
    Mock -CommandName Read-XmlFile -ModuleName $moduleForMock -MockWith {}
    Mock -CommandName Invoke-Parallel -ModuleName $moduleForMock -MockWith {}

    Context "When Successfully Getting EnvironmentData from AppSettings" {
        $packageData = @{}
        $packageData.DisableMicroserviceNewRelic = $true
        $appPackage1 = New-DummyPackageInstallationData -PackageName "app.package1" -PackageVersion "1.0.0" -IsFullScale
        $appPackage2 = New-DummyPackageInstallationData -PackageName "app.package2" -PackageVersion "1.0.0" -IsFullScale

        $packageArray = @($appPackage1, $appPackage2)

        $packageData.AppPackagesToInstall = $packageArray

        # these tests were essentially "does Get-EnvironmentThing work?"
        # there's no business logic to them
        # It "It Gets EnvironmentName" {
        #     $data = Get-EnvironmentData $packageData

        #     $data.EnvironmentName | Should -Match "UnitTest.Env"
        # }

        # It "It Gets EnvironmentType" {
        #     $data = Get-EnvironmentData $packageData

        #     $data.EnvironmentType | Should -Match "UnitTest.Type"
        # }

        # It "It Gets EnvironmentNameSafeDesignation" {
        #     $data = Get-EnvironmentData $packageData

        #     $data.EnvironmentNameSafeDesignation | Should -Match "UTT"
        # }

        # It "It Gets EnvironmentHosting" {
        #     $data = Get-EnvironmentData $packageData

        #     $data.EnvironmentHosting | Should -Match "local"
        # }
    }

    Context "When Getting Data from Tags" {
        $packageData = @{}
        $packageData.AppServers = @("APP123TEST.fh.local")
        $packageData.DisableMicroserviceNewRelic = $true
        $appPackage1 = New-DummyPackageInstallationData -PackageName "app.package1" -PackageVersion "1.0.0" -IsFullScale
        $appPackage2 = New-DummyPackageInstallationData -PackageName "app.package2" -PackageVersion "1.0.0" -IsFullScale

        $packageArray = @($appPackage1, $appPackage2)

        $packageData.AppPackagesToInstall = $packageArray

        Mock Get-InstanceTags -MockWith { # return tags
            $tag1 = @{
                PSComputerName = "Test.Machine"
                Key            = "alk:env"
                Value          = "dev"
            }

            $tag2 = @{
                PSComputerName = "Test.Machine"
                Key            = "alk:designation"
                Value          = "FAKEVALUE"
            }
            return @($tag1, $tag2)
        }

        Mock -CommandName Get-DesignationTagNameByEnvironment -ModuleName $moduleForMock -MockWith {
            return "designation"
        }

        # How was this mocked? It's a degree of separation away. It shouldnot have been being used.∫
        # Mock Get-AppSetting -MockWith {return "UnitTest.Env"} -ParameterFilter {$Key -eq "Environment.Name"}
        # Mock Get-AppSetting -MockWith {return "UnitTest.Type"} -ParameterFilter {$Key -eq "Environment.Type"}
        # Mock Get-AppSetting -MockWith {return "local"} -ParameterFilter {$Key -eq "Environment.Hosting"}
        # No available value locally
        Mock -CommandName Get-AppSetting -ModuleName $moduleForMock -MockWith { return $null } -ParameterFilter { $Key -eq "Environment.NameSafeDesignation" }

        Mock -CommandName Write-Error -ModuleName $moduleForMock -MockWith {}

        It "It Gets EnvironmentNameSafeDesignation" {
            $data = Get-EnvironmentData $packageData

            $data.EnvironmentNameSafeDesignation | Should -Match "FAKEVALUE"
        }
    }
}