param(
    [Parameter(Mandatory = $true)]
    [string]$TemplateDir,

    [Parameter(Mandatory = $true)]
    [string]$AssembliesDir,

    [Parameter(Mandatory = $true)]
    [string]$OutputRoot,

    [Parameter(Mandatory = $true)]
    [string]$PackageName,

    [Parameter(Mandatory = $true)]
    [string]$PackageVersion
)

$ErrorActionPreference = 'Stop'

function Normalize-FullPath {
    param([string]$Path)
    return [System.IO.Path]::GetFullPath($Path)
}

function Normalize-TextFileLineEndings {
    param([string]$Path)

    $content = [System.IO.File]::ReadAllText($Path)
    $content = [regex]::Replace($content, '(?<!\r)\n', "`r`n")
    [System.IO.File]::WriteAllText($Path, $content, [System.Text.UTF8Encoding]::new($true))
}

$templateDirFull = Normalize-FullPath $TemplateDir
$assembliesDirFull = Normalize-FullPath $AssembliesDir
$outputRootFull = Normalize-FullPath $OutputRoot
$packageDir = Join-Path $outputRootFull "$PackageName v$PackageVersion"
$zipPath = "$packageDir.zip"

if (-not (Test-Path -LiteralPath (Join-Path $templateDirFull 'package.json'))) {
    throw "Package template not found: $templateDirFull"
}

if (-not (Test-Path -LiteralPath (Join-Path $assembliesDirFull 'C4ITF4SDM42WebApi.dll'))) {
    throw "Package assemblies not found: $assembliesDirFull"
}

if (Test-Path -LiteralPath $packageDir) {
    Remove-Item -LiteralPath $packageDir -Recurse -Force
}

if (Test-Path -LiteralPath $zipPath) {
    Remove-Item -LiteralPath $zipPath -Force
}

New-Item -ItemType Directory -Path $packageDir -Force | Out-Null
Copy-Item -Path (Join-Path $templateDirFull '*') -Destination $packageDir -Recurse -Force
Copy-Item -Path $assembliesDirFull -Destination (Join-Path $packageDir 'Assemblies') -Recurse -Force

$packageJsonPath = Join-Path $packageDir 'package.json'
$packageJson = [System.IO.File]::ReadAllText($packageJsonPath)
$packageJson = [regex]::Replace($packageJson, '"Version"\s*:\s*"[^"]+"', "`"Version`": `"$PackageVersion`"")
$packageJson = [regex]::Replace($packageJson, '"LastUpdatedDate"\s*:\s*"[^"]+"', "`"LastUpdatedDate`": `"$(Get-Date -Format 'yyyy-MM-ddTHH:mm:ss')`"")
[System.IO.File]::WriteAllText($packageJsonPath, $packageJson, [System.Text.UTF8Encoding]::new($true))

$textFileExtensions = @('.json', '.xml', '.dat', '.type', '.class', '.config', '.host')
Get-ChildItem -LiteralPath $packageDir -Recurse -File |
    Where-Object { $textFileExtensions -contains $_.Extension.ToLowerInvariant() } |
    ForEach-Object { Normalize-TextFileLineEndings $_.FullName }

Compress-Archive -Path (Join-Path $packageDir '*') -DestinationPath $zipPath -Force

Write-Host "Matrix42 package folder: $packageDir"
Write-Host "Matrix42 package zip: $zipPath"