param(
    [int]$Port = 7863,
    [string]$ServerName = "127.0.0.1",
    [string]$VllmUrl = "https://veronicaulises0--virtual-characters-vllm-gemma-serve.modal.run",
    [string]$TtsUrl = "https://veronicaulises0--virtual-characters-tts-charactertts-tts.modal.run",
    [switch]$Mock
)

$ErrorActionPreference = "Stop"

$repoRoot = Split-Path -Parent $PSScriptRoot
$python = Join-Path $repoRoot ".venv\Scripts\python.exe"
if (-not (Test-Path $python)) {
    $python = "python"
}

$logsDir = Join-Path $repoRoot ".logs"
New-Item -ItemType Directory -Force -Path $logsDir | Out-Null

$stamp = Get-Date -Format "yyyyMMdd-HHmmss"
$stdout = Join-Path $logsDir "gradio-$Port-$stamp.out.log"
$stderr = Join-Path $logsDir "gradio-$Port-$stamp.err.log"

$env:VC_GRADIO_PORT = "$Port"
$env:VC_GRADIO_SERVER_NAME = $ServerName
$env:VC_MODAL_VLLM_URL = $VllmUrl
if ($TtsUrl) {
    $env:VC_MODAL_TTS_URL = $TtsUrl
} else {
    Remove-Item Env:\VC_MODAL_TTS_URL -ErrorAction SilentlyContinue
}
$env:PYTHONIOENCODING = "utf-8"
$env:PYTHONUTF8 = "1"
$env:PYTHONDONTWRITEBYTECODE = "1"
if ($Mock) {
    $env:VC_USE_MOCK = "1"
} elseif ($env:VC_USE_MOCK -ne "1") {
    Remove-Item Env:\VC_USE_MOCK -ErrorAction SilentlyContinue
}
Remove-Item Env:\VC_MODAL_LLM_URL -ErrorAction SilentlyContinue

$process = Start-Process `
    -FilePath $python `
    -ArgumentList "-B", "app.py" `
    -WorkingDirectory $repoRoot `
    -RedirectStandardOutput $stdout `
    -RedirectStandardError $stderr `
    -WindowStyle Hidden `
    -PassThru

[ordered]@{
    pid = $process.Id
    url = "http://$ServerName`:$Port"
    stdout = $stdout
    stderr = $stderr
    vllm_url = $VllmUrl
    tts_url = $TtsUrl
    mock = [bool]$Mock
} | ConvertTo-Json