#Requires -Version 5.1
<#
.SYNOPSIS
    Startet die NexusRMM Entwicklungsumgebung
.DESCRIPTION
    Startet Docker (Postgres), fuehrt DB-Migrationen aus,
    startet Backend und Frontend in separaten Fenstern.
#>

$ErrorActionPreference = "Continue"
$Root = "D:\001_Projekte\IT_Tool"

function Write-Step { param($msg) Write-Host "" ; Write-Host "==> $msg" -ForegroundColor Cyan }
function Write-OK   { param($msg) Write-Host "    [OK] $msg"     -ForegroundColor Green }
function Write-Warn { param($msg) Write-Host "    [!]  $msg"     -ForegroundColor Yellow }
function Write-Fail { param($msg) Write-Host "    [FEHLER] $msg" -ForegroundColor Red }

# ---------------------------------------------------------------------------
# 1. Voraussetzungen pruefen
# ---------------------------------------------------------------------------
Write-Step "Pruefe Voraussetzungen..."

$missing = $false
$tools = @(
    @{ Name = "docker";  Desc = "Docker Desktop" },
    @{ Name = "dotnet";  Desc = ".NET SDK" },
    @{ Name = "node";    Desc = "Node.js" },
    @{ Name = "npm";     Desc = "npm" }
)

foreach ($tool in $tools) {
    $cmd = Get-Command $tool.Name -ErrorAction SilentlyContinue
    if ($null -eq $cmd) {
        Write-Fail "$($tool.Desc) ($($tool.Name)) nicht gefunden."
        $missing = $true
    } else {
        Write-OK "$($tool.Desc): gefunden"
    }
}

if ($missing) {
    Write-Fail "Fehlende Voraussetzungen. Bitte installieren und erneut starten."
    exit 1
}

# dotnet-ef pruefen
$efCheck = dotnet tool list --global 2>$null | Select-String "dotnet-ef"
if (-not $efCheck) {
    Write-Warn "dotnet-ef nicht gefunden. Installiere..."
    dotnet tool install --global dotnet-ef
    if ($LASTEXITCODE -ne 0) {
        Write-Fail "dotnet-ef konnte nicht installiert werden."
        exit 1
    }
    Write-OK "dotnet-ef installiert."
} else {
    Write-OK "dotnet-ef: vorhanden"
}

# ---------------------------------------------------------------------------
# 2. PostgreSQL per Docker starten
# ---------------------------------------------------------------------------
Write-Step "Starte PostgreSQL..."

Set-Location $Root
docker compose up -d nexusrmm-postgres
if ($LASTEXITCODE -ne 0) {
    Write-Fail "docker compose up fehlgeschlagen. Laeuft Docker Desktop?"
    exit 1
}

Write-Host "    Warte auf PostgreSQL..." -ForegroundColor Cyan
$maxWait = 30
$waited  = 0
$pgReady = $false

while ($waited -lt $maxWait) {
    docker exec nexusrmm-postgres pg_isready -U nexusrmm -q 2>$null
    if ($LASTEXITCODE -eq 0) {
        $pgReady = $true
        break
    }
    Start-Sleep -Seconds 2
    $waited += 2
}

if (-not $pgReady) {
    Write-Fail "PostgreSQL ist nach $maxWait Sekunden nicht erreichbar."
    exit 1
}
Write-OK "PostgreSQL bereit (Port 5433)."

# ---------------------------------------------------------------------------
# 3. EF Core Migrationen
# ---------------------------------------------------------------------------
Write-Step "Fuehre Datenbank-Migrationen aus..."

Set-Location "$Root\Backend"

dotnet ef database update --project "src\NexusRMM.Infrastructure" --startup-project "src\NexusRMM.Api" --no-build 2>&1 | Out-Default
if ($LASTEXITCODE -ne 0) {
    Write-Warn "Migration mit --no-build fehlgeschlagen. Baue zuerst..."
    dotnet build "src\NexusRMM.Api" --configuration Debug -q
    if ($LASTEXITCODE -ne 0) {
        Write-Fail "dotnet build fehlgeschlagen."
        Set-Location $Root
        exit 1
    }
    dotnet ef database update --project "src\NexusRMM.Infrastructure" --startup-project "src\NexusRMM.Api"
    if ($LASTEXITCODE -ne 0) {
        Write-Fail "dotnet ef database update fehlgeschlagen."
        Set-Location $Root
        exit 1
    }
}

Set-Location $Root
Write-OK "Migrationen erfolgreich."

# ---------------------------------------------------------------------------
# 4. Backend in neuem PowerShell-Fenster starten
# ---------------------------------------------------------------------------
Write-Step "Starte Backend..."

$backendCmd = "Set-Location '$Root\Backend'; Write-Host 'NexusRMM Backend gestartet' -ForegroundColor Cyan; dotnet run --project src/NexusRMM.Api"
Start-Process powershell -ArgumentList "-NoExit", "-Command", $backendCmd -WindowStyle Normal
Write-OK "Backend-Fenster geoeffnet."

# ---------------------------------------------------------------------------
# 5. Kurz warten
# ---------------------------------------------------------------------------
Write-Host "    Warte 5 Sekunden fuer Backend-Start..." -ForegroundColor Cyan
Start-Sleep -Seconds 5

# ---------------------------------------------------------------------------
# 6. Frontend in neuem PowerShell-Fenster starten
# ---------------------------------------------------------------------------
Write-Step "Starte Frontend..."

$frontendCmd = "Set-Location '$Root\Frontend'; Write-Host 'NexusRMM Frontend gestartet' -ForegroundColor Cyan; npm run dev"
Start-Process powershell -ArgumentList "-NoExit", "-Command", $frontendCmd -WindowStyle Normal
Write-OK "Frontend-Fenster geoeffnet."

# ---------------------------------------------------------------------------
# 7. Zusammenfassung
# ---------------------------------------------------------------------------
Write-Host ""
Write-Host "+------------------------------------------+" -ForegroundColor Green
Write-Host "|       NexusRMM ist bereit!               |" -ForegroundColor Green
Write-Host "+------------------------------------------+" -ForegroundColor Green
Write-Host "|  Frontend:    http://localhost:5173      |" -ForegroundColor Green
Write-Host "|  Backend:     http://localhost:5000      |" -ForegroundColor Green
Write-Host "|  Swagger:     http://localhost:5000/swagger |" -ForegroundColor Green
Write-Host "|  gRPC:        http://localhost:5001      |" -ForegroundColor Green
Write-Host "|  MeshCentral: https://localhost:4430     |" -ForegroundColor Green
Write-Host "+------------------------------------------+" -ForegroundColor Green
Write-Host ""
Write-Host "Agent starten:  .\Agent\nexus-agent.exe" -ForegroundColor Yellow
Write-Host "Alles stoppen:  .\dev-stop.ps1" -ForegroundColor Yellow
Write-Host ""