[CmdletBinding()]
param(
    [string]$Version
)

$ErrorActionPreference = 'Stop'
$repositoryRoot = [System.IO.Path]::GetFullPath((Join-Path $PSScriptRoot '..'))
$projectPath = Join-Path $repositoryRoot 'apps\KronaStaffTerminal\KronaStaffTerminal.csproj'
$installerScript = Join-Path $repositoryRoot 'installer\KronaStaffTerminal.nsi'
$stagingRoot = Join-Path $repositoryRoot 'artifacts\terminal-release'
$publishDirectory = Join-Path $stagingRoot 'publish'
$outputDirectory = Join-Path $repositoryRoot 'artifacts'

if ([string]::IsNullOrWhiteSpace($Version)) {
    [xml]$project = Get-Content -LiteralPath $projectPath -Raw
    $Version = [string]$project.Project.PropertyGroup.Version
}
if ($Version -notmatch '^\d+\.\d+\.\d+$') {
    throw "Version must use MAJOR.MINOR.PATCH format."
}

$expectedStagingPrefix = $repositoryRoot.TrimEnd('\') + '\artifacts\'
$resolvedStaging = [System.IO.Path]::GetFullPath($stagingRoot)
if (-not $resolvedStaging.StartsWith($expectedStagingPrefix, [StringComparison]::OrdinalIgnoreCase)) {
    throw "Refusing to clean staging outside repository artifacts."
}
if (Test-Path -LiteralPath $stagingRoot) {
    Remove-Item -LiteralPath $stagingRoot -Recurse -Force
}
New-Item -ItemType Directory -Path $publishDirectory -Force | Out-Null
New-Item -ItemType Directory -Path $outputDirectory -Force | Out-Null

$serviceProjectPath = Join-Path $repositoryRoot 'apps\KronaStaffService\KronaStaffService.csproj'

$publishArguments = @(
    'publish',
    $projectPath,
    '-c', 'Release',
    '-r', 'win-x64',
    '--self-contained', 'true',
    '-p:Platform=x64',
    "-p:Version=$Version",
    "-p:BaseOutputPath=$(Join-Path $stagingRoot 'bin')\",
    '-o', $publishDirectory
)
& dotnet @publishArguments
if ($LASTEXITCODE -ne 0) {
    throw "Terminal publish failed."
}

$servicePublishArguments = @(
    'publish',
    $serviceProjectPath,
    '-c', 'Release',
    '-r', 'win-x64',
    '--self-contained', 'true',
    '-p:Platform=x64',
    "-p:Version=$Version",
    "-p:BaseOutputPath=$(Join-Path $stagingRoot 'bin-service')\",
    '-o', $publishDirectory
)
& dotnet @servicePublishArguments
if ($LASTEXITCODE -ne 0) {
    throw "Service publish failed."
}

$nsisCandidates = @(
    (Join-Path ${env:ProgramFiles(x86)} 'NSIS\makensis.exe'),
    (Join-Path $env:ProgramFiles 'NSIS\makensis.exe'),
    (Join-Path ([Environment]::GetFolderPath('LocalApplicationData')) 'Programs\NSIS\makensis.exe')
)
$makensis = $nsisCandidates | Where-Object { Test-Path -LiteralPath $_ -PathType Leaf } | Select-Object -First 1
if ($null -eq $makensis) {
    throw "NSIS 3 is not installed."
}

$nsisArguments = @(
    '/INPUTCHARSET', 'UTF8',
    "/DAPP_VERSION=$Version",
    "/DPUBLISH_DIR=$publishDirectory",
    "/DOUTPUT_DIR=$outputDirectory",
    "/DPROJECT_ROOT=$repositoryRoot",
    $installerScript
)
& $makensis @nsisArguments
if ($LASTEXITCODE -ne 0) {
    throw "Installer compilation failed."
}

$installerPath = Join-Path $outputDirectory "KronaStaffTerminal-Setup-$Version.exe"
$hash = (Get-FileHash -LiteralPath $installerPath -Algorithm SHA256).Hash.ToLowerInvariant()
$checksumPath = "$installerPath.sha256"
$checksumLine = "$hash  $([System.IO.Path]::GetFileName($installerPath))" + [Environment]::NewLine
[System.IO.File]::WriteAllText(
    $checksumPath,
    $checksumLine,
    [System.Text.UTF8Encoding]::new($false))

Write-Output $installerPath
Write-Output $checksumPath