. $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 "Start-ServicesChocolateyOnly" {

    Context "Logic" {

        It "Writes a Warning and Returns If No Choco Services are Stopped" {

            Mock -CommandName Get-ChocolateyServicesToStart -ModuleName $moduleForMock -MockWith {}
            Mock -CommandName Write-Warning -ModuleName $moduleForMock -MockWith {}
            Mock -CommandName Start-ServicesInParallel -ModuleName $moduleForMock -MockWith {}

            Start-ServicesChocolateyOnly
            Assert-MockCalled -ModuleName $moduleForMock Write-Warning -Times 1 -Exactly -Scope It `
                -ParameterFilter { $Message -match "No Chocolatey Services Found to Start"}
            Assert-MockCalled -ModuleName $moduleForMock Start-ServicesInParallel -Times 0 -Exactly -Scope It
        }

        It "Uses the Supplied MaxParallel Value" {

            Mock -CommandName Start-ServicesInParallel -ModuleName $moduleForMock -MockWith {}
            Mock -CommandName Get-ChocolateyServicesToStart -ModuleName $moduleForMock -MockWith {

                return New-Object PSObject -Property @{
                    ServiceName = "Alkami.Stopped.Service";
                    ServicePath = "C:\BogusPath\Bogus.exe";
                    Tier        = "1";
                }
            }

            Start-ServicesChocolateyOnly -MaxParallel 99
            Assert-MockCalled -ModuleName $moduleForMock Start-ServicesInParallel -Times 1 -Exactly -Scope It `
                -ParameterFilter { $maxParallel -eq 99}
        }

        It "Calls Start Services Split by Tier" {

            Mock -CommandName Start-ServicesInParallel -ModuleName $moduleForMock -MockWith {}
            Mock -CommandName Get-ChocolateyServicesToStart -ModuleName $moduleForMock -MockWith {

                $tier1 = New-Object PSObject -Property @{
                    ServiceName = "Alkami.Tier1.Service";
                    ServicePath = "C:\BogusPath\Bogus.exe";
                    Tier        = "1";
                }

                $tier2 = New-Object PSObject -Property @{
                    ServiceName = "Alkami.Tier2.Service";
                    ServicePath = "C:\BogusPath\Bogus.exe";
                    Tier        = "2";
                }

                $tier99 = New-Object PSObject -Property @{
                    ServiceName = "Alkami.Tier99.Service";
                    ServicePath = "C:\BogusPath\Bogus.exe";
                    Tier        = "99";
                }

                return @( $tier99, $tier2, $tier1 )
            }

            Start-ServicesChocolateyOnly
            Assert-MockCalled -ModuleName $moduleForMock Start-ServicesInParallel -Times 1 -Exactly -Scope It `
                -ParameterFilter { [string]$serviceNamestoStart -eq "Alkami.Tier1.Service" }
               Assert-MockCalled -ModuleName $moduleForMock Start-ServicesInParallel -Times 1 -Exactly -Scope It `
                -ParameterFilter { [string]$serviceNamestoStart -eq "Alkami.Tier2.Service" }
            Assert-MockCalled -ModuleName $moduleForMock Start-ServicesInParallel -Times 1 -Exactly -Scope It `
                -ParameterFilter { [string]$serviceNamestoStart -eq "Alkami.Tier99.Service" }
        }
    }
}