# Install or update the Grok side of the agent loop on Windows.
#   powershell -NoProfile -ExecutionPolicy Bypass -File install-grok.ps1            install / update + register task
#   powershell -NoProfile -ExecutionPolicy Bypass -File install-grok.ps1 -Uninstall  remove the scheduled task
#   ... -RunOnce   run one tick now in this window (for the first test)
# Copies this folder to %USERPROFILE%\.jyotisha-agent\bin and runs from there,
# because each tick checks out other branches in the loop worktree.
# ASCII only (see grok-tick.ps1).
param([switch]$Uninstall, [switch]$RunOnce)
$ErrorActionPreference = 'Stop'
$TaskName = 'JyotishaAgentGrokTick'
$Src = Split-Path -Parent $MyInvocation.MyCommand.Path
$Bin = Join-Path $HOME '.jyotisha-agent\bin'

if ($Uninstall) {
  Unregister-ScheduledTask -TaskName $TaskName -Confirm:$false -ErrorAction SilentlyContinue
  Write-Host "removed scheduled task $TaskName"
  exit 0
}

if ($Src -ne $Bin) {
  if (Test-Path $Bin) { Remove-Item -Recurse -Force $Bin }
  New-Item -ItemType Directory -Force (Split-Path $Bin) | Out-Null
  Copy-Item -Recurse $Src $Bin
  Write-Host "copied $Src -> $Bin"
}

$cfg = Get-Content -Raw -Encoding UTF8 (Join-Path $Bin 'grok-config.json') | ConvertFrom-Json
$tokenFile = Join-Path $HOME '.config\jyotisha-agent\gitea-token'
if (-not (Test-Path $tokenFile)) { throw "token file missing: $tokenFile" }
$token = ([IO.File]::ReadAllText($tokenFile)).Trim()
$login = (Invoke-RestMethod -UseBasicParsing -Uri "$($cfg.gitea_url)/api/v1/user" -Headers @{ Authorization = "token $token" }).login
Write-Host "gitea user: $login"
foreach ($p in @($cfg.repo, $cfg.worktree, $cfg.git_bash_dir, $cfg.grok_exe)) {
  if (-not (Test-Path $p)) { throw "path from grok-config.json not found: $p" }
}

if ($RunOnce) {
  & powershell -NoProfile -ExecutionPolicy Bypass -File (Join-Path $Bin 'grok-tick.ps1')
  Get-Content (Join-Path $HOME '.jyotisha-agent\state\grok-tick.log') -Tail 5
  exit 0
}

$action  = New-ScheduledTaskAction -Execute 'powershell.exe' `
             -Argument "-NoProfile -ExecutionPolicy Bypass -WindowStyle Hidden -File `"$(Join-Path $Bin 'grok-tick.ps1')`""
$trigger = New-ScheduledTaskTrigger -Once -At (Get-Date).AddMinutes(1) `
             -RepetitionInterval (New-TimeSpan -Minutes $cfg.tick_minutes)
$settings = New-ScheduledTaskSettingsSet -MultipleInstances IgnoreNew -StartWhenAvailable `
             -ExecutionTimeLimit (New-TimeSpan -Hours 2) -AllowStartIfOnBatteries -DontStopIfGoingOnBatteries
Register-ScheduledTask -TaskName $TaskName -Action $action -Trigger $trigger -Settings $settings `
  -Description 'Jyotisha agent loop: Grok executes agent/todo issues' -Force | Out-Null
Write-Host "registered ${TaskName}: every $($cfg.tick_minutes) min while you are logged on"
Write-Host "pause: create $HOME\.config\jyotisha-agent\STOP   log: $HOME\.jyotisha-agent\state\grok-tick.log"