#region HEADER
$here = Split-Path -Parent $MyInvocation.MyCommand.Path
# $RepoRoot = (Get-Item -Path $here).Parent.Parent.FullName
$RepoRoot = (Get-GitDirectory).replace('\.git', '')
$sut = (Split-Path -Leaf $MyInvocation.MyCommand.Path) -replace '\.Tests\.', '.'
$sut = $sut -replace "\d{2}`_", ''
$suthome = (Get-ChildItem -Path $RepoRoot -Exclude ".\tests\" -Filter $sut -Recurse).FullName
# Skip try loading the source file if it doesn't exists.
If ($suthome.Length -gt 0) {
    . $suthome
}
Else {
    Write-Warning ("Could not find source file {0}" -f $sut)
}

# load additional functions defined in the repository. Replace the expression <FunctionName>.
#. (Get-ChildItem -Path $RepoRoot -Filter "Test-CredentialStore.ps1" -Recurse).FullName
#. (Get-ChildItem -Path $RepoRoot -Filter "New-CredentialStore.ps1" -Recurse).FullName
#. (Get-ChildItem -Path $RepoRoot -Filter "Get-CredentialStore.ps1" -Recurse).FullName
#. (Get-ChildItem -Path $RepoRoot -Filter "Get-CredentialStoreItem.ps1" -Recurse).FullName
. (Get-ChildItem -Path $RepoRoot -Filter "Test-ChallengeFile.ps1" -Recurse).FullName
. (Get-ChildItem -Path $RepoRoot -Filter "Get-ChallengeFile.ps1" -Recurse).FullName
. (Get-ChildItem -Path $RepoRoot -Filter "Set-ChallengeFile.ps1" -Recurse).FullName
. (Get-ChildItem -Path $RepoRoot -Filter "Get-RandomKey.ps1" -Recurse).FullName

#endregion HEADER

Describe "New-CredentialStoreItem" {
    Context "Private Credential Store tests" {
        It "Test1: Add entry to existing private store." {
            If (-not (Test-CredentialStore)) {
                New-CredentialStore
            }
            [String]$tmp = (65..90) + (97..122) | Get-Random -Count 5 | % {[char]$_}
            $tmp = $tmp.Replace(' ', '')
            $tmpUser = "MyUser"
            $tmpPwd = "fooobarysdfsfs" | ConvertTo-SecureString -AsPlainText -Force
            $creds = New-Object -TypeName PsCredential -ArgumentList $tmpUser, $tmpPwd
            New-CredentialStoreItem -RemoteHost $tmp -Credential $creds
            # Had to remove the `{ <exp> } | Shoud Not Throw` because the return would be empty.
            $content = Get-CredentialStoreItem -RemoteHost $tmp
            $content.UserName | Should Be "MyUser"
            #Cleanup Temp entry
            $CS = Get-CredentialStore
            $CS.PSObject.Properties.Remove($tmp)
            ConvertTo-Json -InputObject $CS | Out-File -FilePath ("{0}\CredentialStore.json" -f $env:AppData)
        }
    }
    Context "Test with new shared Credential Store" {
        It "Test2: Create new RemoteHost entry" {
            # prepare test environment
            $tmpCS = 'C:\CredentialStore.json'
            New-CredentialStore -Shared -Path $tmpCS

            $UserName = "myuser"
            $Password = ConvertTo-SecureString -String "mypasswd" -AsPlainText -Force
            $mycreds = New-Object -TypeName PSCredential -ArgumentList $UserName, $Password
            $RemoteHost = "foobar"
            { New-CredentialStoreItem -Path $tmpCS -RemoteHost $RemoteHost -Credential $mycreds -Shared } | Should Not Throw
            $tmpCS = Get-Content -Path $tmpCS -Raw | ConvertFrom-Json
            $res = Get-Member -InputObject $tmpCS -Name $RemoteHost -Membertype Properties
            $res.Name | Should Be $RemoteHost
        }
        It "Adds Item with identifier to shared store" {
            $tmpCS = 'C:\CredentialStore.json'
            $UserName = "myuser"
            $Password = ConvertTo-SecureString -String "mypasswd" -AsPlainText -Force
            $mycreds = New-Object -TypeName PSCredential -ArgumentList $UserName, $Password
            $RemoteHost = "foobar2"
            New-CredentialStoreItem -Path $tmpCS -RemoteHost $RemoteHost -Credential $mycreds -Identifier 'Foo'
            $writtenItem = Get-CredentialStoreItem -Path $tmpCS -RemoteHost $RemoteHost -Identifier 'Foo'
            ($writtenItem.UserName -eq $UserName) -and ($writtenItem.Password.Length -gt 0) | Should -Be $true
        }
    }
    Context "Test optional parameter lookup" {
        Mock Get-Credential {
            $UserName = 'testuser'
            $Password = ConvertTo-SecureString -String "mypasswd" -AsPlainText -Force
            return [PSCredential]::new($UserName, $Password)

        }
        It "Test missing Credential" {
            $tmpCS = 'C:\CredentialStore.json'
            New-CredentialStoreItem -Path $tmpCs -Shared -RemoteHost 'foobar3'
            $writtenItem = Get-CredentialStoreItem -Path $tmpCS -Shared -RemoteHost 'foobar3'
            $writtenItem.UserName | Should -Be "testuser"
        }
    }
    Context "General Exception handling" {
        Mock Test-CredentialStore {return $false}
        Mock Get-Credential {
            $UserName = 'myUser'
            $Password = ConvertTo-SecureString -String "mypasswd" -AsPlainText -Force
            return [PSCredential]::new($UserName, $Password)

        }
        It "Missing CredentialStore should throw" {
            { New-CredentialStoreItem -Path 'C:\missingStore.json' -RemoteHost 'notrelevant' } | Should -Throw "Could not add anything"
        }
    }
    Context "Testing pipeline paramter" {
        It "Add the item with credential value from pipe" {
            $UserName = 'pipeUser'
            $Password = ConvertTo-SecureString -String "pipePasswd" -AsPlainText -Force
            { [PSCredential]::new($UserName, $Password) | New-CredentialStoreItem -RemoteHost 'PipeHost' } | Should -Not -Throw
        }

        It "Testing written item" {
            (Get-CredentialStoreItem -RemoteHost 'PipeHost').UserName | Should -Be 'PipeHost'
        }
    }

}