<#
.SYNOPSIS
  Build an XPI from the repository contents.

.DESCRIPTION
  - Reads the version from manifest.json.
  - Packages the repo while excluding build scripts, release output, and local editor folders.
  - Writes the finished XPI to release/.
#>

$ScriptDir = Split-Path $MyInvocation.MyCommand.Path
$ReleaseDir = Join-Path $ScriptDir 'release'
$Manifest = Join-Path $ScriptDir 'manifest.json'

if (-not (Test-Path $Manifest)) {
  Write-Error "manifest.json not found at $Manifest"
  exit 1
}

if (-not (Test-Path $ReleaseDir)) {
  New-Item -ItemType Directory -Path $ReleaseDir | Out-Null
}

$version = (Get-Content $Manifest -Raw | ConvertFrom-Json).version
if (-not $version) {
  Write-Error "No version found in manifest.json"
  exit 1
}

$artifactBase = "psitransfer-filelink-$version"
$zipPath = Join-Path $ReleaseDir "$artifactBase.zip"
$xpiPath = Join-Path $ReleaseDir "$artifactBase.xpi"

Remove-Item -Path $zipPath, $xpiPath -Force -ErrorAction SilentlyContinue

$allFiles = Get-ChildItem -Path $ScriptDir -Recurse -File |
  Where-Object {
    $_.Extension -notin '.ps1', '.sh' -and
    $_.FullName -notmatch '\\release\\' -and
    $_.FullName -notmatch '\\.git\\' -and
    $_.FullName -notmatch '\\.idea\\' -and
    $_.FullName -notmatch '\\.vscode\\'
  }

if ($allFiles.Count -eq 0) {
  Write-Error "No files found to package."
  exit 1
}

foreach ($file in $allFiles) {
  $size = (Get-Item $file.FullName).Length
  $rel = $file.FullName.Substring($ScriptDir.Length + 1).TrimStart('\')
  $entryName = $rel.Replace('\', '/')
  Write-Host "Zipping: $entryName <- $($file.FullName) ($size bytes)"
}

Add-Type -AssemblyName System.IO.Compression.FileSystem

$zip = [System.IO.Compression.ZipFile]::Open($zipPath, 'Create')
foreach ($file in $allFiles) {
  $rel = $file.FullName.Substring($ScriptDir.Length + 1).TrimStart('\')
  $entryName = $rel.Replace('\', '/')

  [System.IO.Compression.ZipFileExtensions]::CreateEntryFromFile(
    $zip,
    $file.FullName,
    $entryName,
    [System.IO.Compression.CompressionLevel]::Optimal
  )
}
$zip.Dispose()

Rename-Item -Path $zipPath -NewName "$artifactBase.xpi" -Force

Write-Host "Built XPI at: $xpiPath"