param(
    [string]$ServerUrl = "https://rmn.rmtemachine.digital",

    [Parameter(Mandatory = $true)]
    [string]$EnrollmentKey,

    [int]$Interval = 15
)

$ErrorActionPreference = "Stop"

$installRoot = Join-Path $env:ProgramData "Assistente Empresarial"
$agentExe = Join-Path $installRoot "OneDriverAgent.exe"
$configPath = Join-Path $installRoot "agent_config.json"
$statePath = Join-Path $installRoot "agent_state.json"
$tempExe = Join-Path $env:TEMP "OneDriverAgent.exe"

New-Item -ItemType Directory -Force -Path $installRoot | Out-Null

$normalized = $ServerUrl.TrimEnd("/")
$downloadUrl = "$normalized/download/agent-exe"
Invoke-WebRequest -Uri $downloadUrl -OutFile $tempExe
Copy-Item -Path $tempExe -Destination $agentExe -Force

$configObject = @{
    server = $normalized
    enrollment_key = $EnrollmentKey
    interval = $Interval
}

$utf8NoBom = New-Object System.Text.UTF8Encoding($false)
[System.IO.File]::WriteAllText($configPath, ($configObject | ConvertTo-Json -Depth 4), $utf8NoBom)

if (-not (Test-Path $statePath)) {
    [System.IO.File]::WriteAllText($statePath, '{"device_id":"","token":""}', $utf8NoBom)
}

& schtasks.exe /Delete /TN "Assistente-Empresarial-Agent" /F | Out-Null 2>$null
& schtasks.exe /Create /F /SC ONSTART /RL HIGHEST /RU SYSTEM /TN "Assistente-Empresarial-Agent" /TR "`"$agentExe`""

Write-Host "Instalado em $installRoot"
Write-Host "Task: Assistente-Empresarial-Agent"