# Rippy Windows-Worker - GRAFISCHER Installer (WinForms, keine externe Runtime).
# Wird ueber rippy-worker-setup.bat gestartet (Doppelklick). Braucht nur
# Python 3.10+ auf der Maschine - kein Docker, kein git.
#
# ASCII-only (PowerShell 5.1 liest .ps1 als ANSI - Sonderzeichen zerschiessen
# das Skript).

param(
    [string]$RippyHost = "",
    [string]$WorkerName = $env:COMPUTERNAME.ToLower()
)

$ErrorActionPreference = "Stop"
Add-Type -AssemblyName System.Windows.Forms
Add-Type -AssemblyName System.Drawing

$InstallDir = Join-Path $env:USERPROFILE "rippy-worker"

# --- Fenster ---------------------------------------------------------------
$form = New-Object System.Windows.Forms.Form
$form.Text = "Rippy Encoding-Worker - Installation"
$form.Size = New-Object System.Drawing.Size(560, 520)
$form.StartPosition = "CenterScreen"
$form.FormBorderStyle = "FixedDialog"
$form.MaximizeBox = $false
$form.BackColor = [System.Drawing.Color]::FromArgb(248, 250, 252)
$form.Font = New-Object System.Drawing.Font("Segoe UI", 9)

$titel = New-Object System.Windows.Forms.Label
$titel.Text = "Rippy Encoding-Worker einrichten"
$titel.Font = New-Object System.Drawing.Font("Segoe UI", 14, [System.Drawing.FontStyle]::Bold)
$titel.ForeColor = [System.Drawing.Color]::FromArgb(79, 70, 229)
$titel.Location = New-Object System.Drawing.Point(24, 20)
$titel.Size = New-Object System.Drawing.Size(500, 30)
$form.Controls.Add($titel)

$info = New-Object System.Windows.Forms.Label
$info.Text = "Diese Maschine uebernimmt die Video-Kompression fuer Rippy. Gerippt wird weiter auf der Rippy-Hauptmaschine."
$info.Location = New-Object System.Drawing.Point(24, 52)
$info.Size = New-Object System.Drawing.Size(500, 34)
$info.ForeColor = [System.Drawing.Color]::FromArgb(100, 116, 139)
$form.Controls.Add($info)

# Rippy-Adresse
$lblHost = New-Object System.Windows.Forms.Label
$lblHost.Text = "LAN-IP der Rippy-Maschine (Docker-Host) - NICHT dieser PC:"
$lblHost.Location = New-Object System.Drawing.Point(24, 96)
$lblHost.Size = New-Object System.Drawing.Size(500, 18)
$form.Controls.Add($lblHost)

$txtHost = New-Object System.Windows.Forms.TextBox
$txtHost.Location = New-Object System.Drawing.Point(24, 116)
$txtHost.Size = New-Object System.Drawing.Size(300, 26)
$txtHost.Text = $RippyHost
$txtHost.Font = New-Object System.Drawing.Font("Consolas", 10)
$form.Controls.Add($txtHost)

# Worker-Name
$lblName = New-Object System.Windows.Forms.Label
$lblName.Text = "Name dieses Workers (frei waehlbar):"
$lblName.Location = New-Object System.Drawing.Point(24, 152)
$lblName.Size = New-Object System.Drawing.Size(500, 18)
$form.Controls.Add($lblName)

$txtName = New-Object System.Windows.Forms.TextBox
$txtName.Location = New-Object System.Drawing.Point(24, 172)
$txtName.Size = New-Object System.Drawing.Size(300, 26)
$txtName.Text = $WorkerName
$form.Controls.Add($txtName)

# Autostart
$chkAuto = New-Object System.Windows.Forms.CheckBox
$chkAuto.Text = "Beim Anmelden automatisch starten (Tray-Symbol)"
$chkAuto.Location = New-Object System.Drawing.Point(24, 206)
$chkAuto.Size = New-Object System.Drawing.Size(400, 22)
$chkAuto.Checked = $true
$form.Controls.Add($chkAuto)

# Log-Bereich
$log = New-Object System.Windows.Forms.TextBox
$log.Location = New-Object System.Drawing.Point(24, 240)
$log.Size = New-Object System.Drawing.Size(500, 170)
$log.Multiline = $true
$log.ReadOnly = $true
$log.ScrollBars = "Vertical"
$log.BackColor = [System.Drawing.Color]::FromArgb(15, 23, 42)
$log.ForeColor = [System.Drawing.Color]::FromArgb(226, 232, 240)
$log.Font = New-Object System.Drawing.Font("Consolas", 8.5)
$form.Controls.Add($log)

# Knoepfe
$btnInstall = New-Object System.Windows.Forms.Button
$btnInstall.Text = "Installieren"
$btnInstall.Location = New-Object System.Drawing.Point(24, 424)
$btnInstall.Size = New-Object System.Drawing.Size(150, 40)
$btnInstall.BackColor = [System.Drawing.Color]::FromArgb(79, 70, 229)
$btnInstall.ForeColor = [System.Drawing.Color]::White
$btnInstall.FlatStyle = "Flat"
$btnInstall.Font = New-Object System.Drawing.Font("Segoe UI", 10, [System.Drawing.FontStyle]::Bold)
$form.Controls.Add($btnInstall)

$btnStart = New-Object System.Windows.Forms.Button
$btnStart.Text = "Worker starten"
$btnStart.Location = New-Object System.Drawing.Point(190, 424)
$btnStart.Size = New-Object System.Drawing.Size(150, 40)
$btnStart.BackColor = [System.Drawing.Color]::FromArgb(16, 185, 129)
$btnStart.ForeColor = [System.Drawing.Color]::White
$btnStart.FlatStyle = "Flat"
$btnStart.Font = New-Object System.Drawing.Font("Segoe UI", 10, [System.Drawing.FontStyle]::Bold)
$btnStart.Visible = $false
$form.Controls.Add($btnStart)

function Log($text) {
    $log.AppendText($text + "`r`n")
    [System.Windows.Forms.Application]::DoEvents()
}

# --- Installations-Logik ---------------------------------------------------
function Do-Install {
    $rHost = $txtHost.Text.Trim()
    $wName = $txtName.Text.Trim()
    if (-not $rHost) { [System.Windows.Forms.MessageBox]::Show("Bitte die LAN-IP der Rippy-Maschine eintragen.", "Fehlt"); return }
    if (-not $wName) { $wName = $env:COMPUTERNAME.ToLower() }

    $btnInstall.Enabled = $false
    $log.Clear()

    try {
        # 1. Python finden
        $python = $null
        foreach ($k in @("py -3", "python")) {
            try {
                $v = Invoke-Expression "$k --version" 2>&1
                if ("$v" -match "Python 3\.(\d+)" -and [int]$Matches[1] -ge 10) { $python = $k; break }
            } catch {}
        }
        if (-not $python) {
            Log "FEHLER: Python 3.10+ nicht gefunden."
            Log "Installieren mit:  winget install Python.Python.3.12"
            Log "Danach diesen Installer erneut starten."
            $btnInstall.Enabled = $true
            return
        }
        Log "Python gefunden: $python"

        # 2. Ordner + Worker-Code
        New-Item -ItemType Directory -Force $InstallDir | Out-Null
        Set-Location $InstallDir
        $HandBrakeVersion = "1.11.2"
        try {
            $rel = Invoke-RestMethod "https://api.github.com/repos/HandBrake/HandBrake/releases/latest" -TimeoutSec 15 -Headers @{ "User-Agent" = "rippy-installer" }
            if ($rel.tag_name) { $HandBrakeVersion = ([string]$rel.tag_name).TrimStart("v") }
        } catch {}

        Log "Lade Worker-Code von $rHost ..."
        Invoke-WebRequest "http://$rHost/api/worker-setup/paket" -OutFile worker.zip -UseBasicParsing
        Expand-Archive worker.zip -DestinationPath . -Force
        Remove-Item worker.zip

        # 3. venv + Abhaengigkeiten
        if (-not (Test-Path "venv")) { Log "Lege Python-Umgebung an ..."; Invoke-Expression "$python -m venv venv" }
        Log "Installiere Python-Abhaengigkeiten (kann 1-2 min dauern) ..."
        & .\venv\Scripts\python.exe -m pip install --quiet --upgrade pip
        & .\venv\Scripts\pip.exe install --quiet -r requirements.txt
        & .\venv\Scripts\pip.exe install --quiet pystray pillow
        Log "Abhaengigkeiten installiert."

        # 4. HandBrakeCLI
        if (-not (Test-Path ".\HandBrakeCLI.exe") -and -not (Get-Command HandBrakeCLI.exe -ErrorAction SilentlyContinue)) {
            Log "Lade HandBrakeCLI $HandBrakeVersion (offizielles Release) ..."
            $url = "https://github.com/HandBrake/HandBrake/releases/download/$HandBrakeVersion/HandBrakeCLI-$HandBrakeVersion-win-x86_64.zip"
            Invoke-WebRequest $url -OutFile hb.zip -UseBasicParsing
            Expand-Archive hb.zip -DestinationPath . -Force
            Remove-Item hb.zip
        }
        Log "HandBrake bereit."

        # 5. Start-Skripte + Deinstaller erzeugen
        $trayBat = "@echo off`r`ncd /d `"%~dp0`"`r`nset REDIS_URL=redis://${rHost}:6379/0`r`nset DATABASE_URL=postgresql://rippy:rippy@${rHost}:5432/rippy`r`nset API_URL=http://${rHost}:8000`r`nset WORKER_NAME=$wName`r`nset RIPPY_TRAY_HOST=$rHost`r`nset PATH=%~dp0;%PATH%`r`nstart `"`" venv\Scripts\pythonw.exe tray.py"
        Set-Content -Path "start-tray.bat" -Value $trayBat -Encoding ASCII

        $workBat = "@echo off`r`ncd /d `"%~dp0`"`r`nset REDIS_URL=redis://${rHost}:6379/0`r`nset DATABASE_URL=postgresql://rippy:rippy@${rHost}:5432/rippy`r`nset API_URL=http://${rHost}:8000`r`nset WORKER_NAME=$wName`r`nset PATH=%~dp0;%PATH%`r`nvenv\Scripts\celery.exe -A celery_app worker --loglevel=info -Q transcode --pool=solo -n ${wName}@%%h"
        Set-Content -Path "start-worker.bat" -Value $workBat -Encoding ASCII

        $uninstall = @"
param([switch]`$Force)
if (-not `$Force) { if ([System.Windows.Forms.MessageBox]::Show("Rippy-Worker '$wName' deinstallieren?","Rippy",4) -ne "Yes") { exit } }
Add-Type -AssemblyName System.Windows.Forms
Get-CimInstance Win32_Process | Where-Object { `$_.ExecutablePath -like "`$PSScriptRoot*" } | ForEach-Object { Stop-Process -Id `$_.ProcessId -Force -ErrorAction SilentlyContinue }
Start-Sleep 2
schtasks /delete /tn "RippyWorker" /f 2>`$null | Out-Null
try { Invoke-RestMethod -Method Delete "http://$rHost/api/workers/$wName" -TimeoutSec 5 | Out-Null } catch {}
Set-Location (Split-Path `$PSScriptRoot -Parent)
Remove-Item -Recurse -Force `$PSScriptRoot
[System.Windows.Forms.MessageBox]::Show("Rippy-Worker deinstalliert.","Rippy")
"@
        Set-Content -Path "uninstall.ps1" -Value $uninstall -Encoding ASCII

        # 6. Autostart
        if ($chkAuto.Checked) {
            schtasks /create /f /tn "RippyWorker" /tr "`"$InstallDir\start-tray.bat`"" /sc onlogon | Out-Null
            Log "Autostart eingerichtet (Start bei Anmeldung)."
        }

        Log ""
        Log "FERTIG! Ordner: $InstallDir"
        Log "Klick 'Worker starten' - er erscheint dann in Rippy unter Einstellungen -> Worker."
        $btnStart.Visible = $true
        $btnInstall.Text = "Neu installieren"
        $btnInstall.Enabled = $true
    } catch {
        Log ""
        Log "FEHLER: $_"
        Log "Tipp: Ist die IP korrekt und die Rippy-Maschine im Heimnetz erreichbar?"
        $btnInstall.Enabled = $true
    }
}

$btnInstall.Add_Click({ Do-Install })
$btnStart.Add_Click({
    Start-Process -FilePath (Join-Path $InstallDir "start-tray.bat") -WindowStyle Hidden
    [System.Windows.Forms.MessageBox]::Show("Worker gestartet - Symbol erscheint unten rechts neben der Uhr.", "Rippy")
    $form.Close()
})

[void]$form.ShowDialog()