# Start prescription AI consumers.
#   -Mode Restart : stop every existing consumer first (use only when no task is running)
#   -Mode Add     : leave running consumers alone and add missing instances
# Concurrency needs one process per concurrent task: keep the per-lane counts at or above
# prescription_analysis.max_parallel_per_model.
param(
    [ValidateSet('Restart', 'Add')][string]$Mode = 'Add',
    [int]$Prepare = 2,
    [int]$Qwen = 4,
    [int]$OpenAi = 4
)
$ErrorActionPreference = 'Stop'
$stamp = Get-Date -Format 'yyyyMMdd-HHmmss'
$art = 'D:\web\zyt\artifacts\prescription-ai-runtime'
$php = 'D:\phpstudy_pro\Extensions\php\php8.2.9nts\php.exe'
$server = 'D:\web\zyt\server'
$plan = @(
    @{ lane = 'prepare'; count = $Prepare },
    @{ lane = 'qwen'; count = $Qwen },
    @{ lane = 'openai'; count = $OpenAi }
)
$records = @()
foreach ($item in $plan) {
    $lane = $item.lane
    $existing = @(Get-CimInstance Win32_Process -Filter "Name='php.exe'" |
        Where-Object { $_.CommandLine -like "*prescription-ai:work*--lane=$lane*" })
    if ($Mode -eq 'Restart') {
        foreach ($p in $existing) { Stop-Process -Id $p.ProcessId -Force }
        Start-Sleep -Milliseconds 400
        $existing = @()
    }
    for ($i = $existing.Count + 1; $i -le $item.count; $i++) {
        $out = Join-Path $art "$lane-$i-$stamp.stdout.log"
        $err = Join-Path $art "$lane-$i-$stamp.stderr.log"
        $proc = Start-Process -FilePath $php -ArgumentList @('think', 'prescription-ai:work', "--lane=$lane") `
            -WorkingDirectory $server -WindowStyle Hidden -RedirectStandardOutput $out -RedirectStandardError $err -PassThru
        $records += [pscustomobject]@{ lane = $lane; instance = $i; pid = $proc.Id; stdout = $out; stderr = $err }
    }
}
$path = Join-Path $art "worker-start-$stamp.json"
$records | ConvertTo-Json -Depth 4 | Out-File -FilePath $path -Encoding utf8
Write-Output "mode=$Mode record=$path started=$($records.Count)"
Get-CimInstance Win32_Process -Filter "Name='php.exe'" |
    Where-Object { $_.CommandLine -like '*prescription-ai:work*' } |
    ForEach-Object { Write-Output ("{0} {1}" -f $_.ProcessId, ($_.CommandLine -replace '.*--lane=', 'lane=')) }