[CmdletBinding()]
param(
    [Parameter(Mandatory = $true)][string]$PidFile,
    [int]$WaitSeconds = 10
)

$ErrorActionPreference = 'Stop'
Set-StrictMode -Version Latest
. (Join-Path $PSScriptRoot 'ShadowScriptCommon.ps1')

$pidPath = Resolve-ShadowFile $PidFile
$record = Read-ShadowJson $pidPath
$deployment = Resolve-ShadowDirectory $record.deploymentDirectory
if (-not (Test-ShadowPathWithin $pidPath $deployment)) {
    throw 'PID_FILE_OUTSIDE_RECORDED_DEPLOYMENT'
}
$artifact = Resolve-ShadowFile $record.shadowArtifact
if ((Get-ShadowSha256 $artifact) -ne $record.shadowArtifactSha256) {
    throw 'RECORDED_SHADOW_ARTIFACT_HASH_MISMATCH'
}
$process = Get-Process -Id ([int]$record.pid) -ErrorAction Stop
$actualExecutable = [IO.Path]::GetFullPath($process.Path)
$recordedExecutable = [IO.Path]::GetFullPath($record.javaExecutable)
if (-not $actualExecutable.Equals($recordedExecutable,
        [StringComparison]::OrdinalIgnoreCase)) {
    throw 'RECORDED_PROCESS_EXECUTABLE_MISMATCH'
}
$recordedStart = [DateTime]::Parse($record.processStartTimeUtc).ToUniversalTime()
$actualStart = $process.StartTime.ToUniversalTime()
if ([Math]::Abs(($actualStart - $recordedStart).TotalSeconds) -gt 1) {
    throw 'RECORDED_PROCESS_START_TIME_MISMATCH'
}
$commandLine = Get-ShadowCommandLine $process.Id
if ([string]::IsNullOrWhiteSpace($commandLine) -or `
        $commandLine -notlike '*-jar*' -or `
        ($commandLine -notlike "*$artifact*" -and `
         $commandLine -notlike "*$([IO.Path]::GetFileName($artifact))*")) {
    throw 'RECORDED_PROCESS_COMMAND_MISMATCH'
}

Stop-Process -Id $process.Id -Force -ErrorAction Stop
$deadline = [DateTime]::UtcNow.AddSeconds($WaitSeconds)
while ([DateTime]::UtcNow -lt $deadline -and `
        $null -ne (Get-Process -Id $process.Id -ErrorAction SilentlyContinue)) {
    Start-Sleep -Milliseconds 100
}
if ($null -ne (Get-Process -Id $process.Id -ErrorAction SilentlyContinue)) {
    throw 'SHADOW_PROCESS_DID_NOT_STOP'
}
$archive = Join-Path $deployment `
    ("shadow.stopped.{0}.json" -f [DateTime]::UtcNow.ToString('yyyyMMddHHmmssfff'))
Move-Item -LiteralPath $pidPath -Destination $archive
return [pscustomobject]@{
    status = 'STOPPED'
    pid = [int]$record.pid
    stoppedAtUtc = [DateTime]::UtcNow.ToString('o')
    archivedPidRecord = $archive
}