param(
    [Parameter(Mandatory = $true)][string]$RuntimePath,
    [string]$ConfigName = 'config-next.yaml',
    [string]$BinaryPath = '.cache/sw89/sw-new-complete.exe'
)

$ErrorActionPreference = 'Stop'
$workspaceRoot = (Resolve-Path (Join-Path $PSScriptRoot '..')).Path
$runtimeRoot = (Resolve-Path -LiteralPath $RuntimePath).Path
$configPath = (Resolve-Path -LiteralPath (Join-Path $runtimeRoot $ConfigName)).Path
if (-not [System.IO.Path]::IsPathRooted($BinaryPath)) {
    $BinaryPath = Join-Path $workspaceRoot $BinaryPath
}
$binary = (Resolve-Path -LiteralPath $BinaryPath).Path
$compat = Get-Content -LiteralPath (Join-Path $runtimeRoot 'sdk-compatibility.json') -Raw | ConvertFrom-Json
$previous = @{}
$settings = @{
    SW_SDK_AUTH_CODE = $compat.AUTH_CODE
    SW_SDK_MIGRATE_AUTH_CODE = $compat.MIGRATE_AUTH_CODE
    SW_SDK_TABLE_PREFIX = $compat.TABLE_PREFIX
}
try {
    foreach ($name in $settings.Keys) {
        $previous[$name] = [Environment]::GetEnvironmentVariable($name, 'Process')
        [Environment]::SetEnvironmentVariable($name, $settings[$name], 'Process')
    }
    $process = Start-Process -FilePath $binary -ArgumentList @('-conf', ('"' + $configPath + '"')) `
        -WorkingDirectory $workspaceRoot -WindowStyle Hidden `
        -RedirectStandardOutput (Join-Path $runtimeRoot 'rehearsal.stdout.log') `
        -RedirectStandardError (Join-Path $runtimeRoot 'rehearsal.stderr.log') -PassThru
    $process.Id | Set-Content -LiteralPath (Join-Path $runtimeRoot 'rehearsal.pid')
    Write-Output "Rehearsal process: $($process.Id)"
} finally {
    foreach ($name in $previous.Keys) {
        [Environment]::SetEnvironmentVariable($name, $previous[$name], 'Process')
    }
}