param(
    [string]$TaskName = "RLCD Metrics BLE",
    [double]$IntervalSeconds = 1,
    [int]$StartupDelaySeconds = 20
)

$ErrorActionPreference = "Stop"

$scriptDir = Split-Path -Parent $MyInvocation.MyCommand.Path
$startScript = Join-Path $scriptDir "start-ble-metrics.ps1"

if (-not (Test-Path $startScript)) {
    throw "Cannot find start script: $startScript"
}

$currentUser = [System.Security.Principal.WindowsIdentity]::GetCurrent().Name
$powershellExe = Join-Path $env:SystemRoot "System32\WindowsPowerShell\v1.0\powershell.exe"
$quotedStartScript = '"' + $startScript + '"'
$actionArgs = "-NoProfile -ExecutionPolicy Bypass -File $quotedStartScript -IntervalSeconds $IntervalSeconds"

$action = New-ScheduledTaskAction -Execute $powershellExe -Argument $actionArgs
$trigger = New-ScheduledTaskTrigger -AtLogOn -User $currentUser
if ($StartupDelaySeconds -gt 0) {
    $trigger.Delay = "PT${StartupDelaySeconds}S"
}

$settings = New-ScheduledTaskSettingsSet `
    -AllowStartIfOnBatteries `
    -DontStopIfGoingOnBatteries `
    -StartWhenAvailable `
    -MultipleInstances IgnoreNew

$principal = New-ScheduledTaskPrincipal `
    -UserId $currentUser `
    -LogonType Interactive `
    -RunLevel Limited

Register-ScheduledTask `
    -TaskName $TaskName `
    -Action $action `
    -Trigger $trigger `
    -Settings $settings `
    -Principal $principal `
    -Description "Start the RLCD BLE metrics bridge when the current Windows user logs on." `
    -Force | Out-Null

Start-ScheduledTask -TaskName $TaskName

Write-Host "Installed scheduled task: $TaskName"
Write-Host "User: $currentUser"
Write-Host "Start script: $startScript"