$projectRoot = Resolve-Path "$PSScriptRoot\.."
$moduleRoot = Split-Path (Resolve-Path "$projectRoot\*\*.psd1")
$moduleName = Split-Path $moduleRoot -Leaf

Describe "General project validation: $moduleName" -Tags Build {

    Context "Valid Powershell" {
        $scripts = Get-ChildItem $projectRoot -Include *.ps1,*.psm1,*.psd1 -Recurse | where fullname -notmatch 'classes'
        # TestCases are splatted to the script so we need hashtables
        $testCase = $scripts | Foreach-Object{@{file=$_}}   

        It "Script <file> should be valid powershell" -TestCases $testCase {
            param($file)

            $file.fullname | Should Exist

            $contents = Get-Content -Path $file.fullname -ErrorAction Stop
            $errors = $null
            $null = [System.Management.Automation.PSParser]::Tokenize($contents, [ref]$errors)
            $errors.Count | Should Be 0
        }

        It "Classes are valid" {        
            $classes = Get-ChildItem $projectRoot -Include *.ps1,*.psm1,*.psd1 -Recurse | where fullname -match 'classes'
            
            # Must be imported togehter incase they depend on each other
            $contents = Get-Content -Path $classes.FullName | Out-String

            $errors = $null
            $null = [System.Management.Automation.PSParser]::Tokenize($contents, [ref]$errors)
            $errors.Count | Should Be 0
        }
    }
    
    Context "ScriptAnalyzer" {

        $scripts = Get-ChildItem $moduleRoot -Include *.ps1,*.psm1,*.psd1 -Recurse | where fullname -notmatch 'classes'
        $testCase = $scripts | Foreach-Object{@{file=$_}} 

        it "Script <file> should pass ScriptAnalyzer rules" -TestCases $testCase {
            param($file)

            $file.fullname | Should Exist 
            Invoke-ScriptAnalyzer $file| Should BeNullOrEmpty
        }
    }

    It "Module '$moduleName' can import cleanly" {
        {Import-Module (Join-Path $moduleRoot "$moduleName.psm1") -force } | Should Not Throw
    }
}