param(
    [switch]$StartServices
)

$ErrorActionPreference = "Stop"

function Write-Step($msg) {
    Write-Host "[AIDOP INIT] $msg"
}

function Test-Command($name) {
    return [bool](Get-Command $name -ErrorAction SilentlyContinue)
}

function Invoke-Checked($command, [string[]]$arguments) {
    & $command @arguments
    if ($LASTEXITCODE -ne 0) {
        throw "$command failed with exit code $LASTEXITCODE"
    }
}

Write-Step "Workspace: $(Get-Location)"

if (-not (Test-Command "dotnet")) {
    throw "dotnet not found. Please install .NET SDK 8.x first."
}

$dotnetVersion = (dotnet --version)
Write-Step "dotnet version: $dotnetVersion"

if (-not (Test-Command "node")) {
    throw "node not found. Please install Node.js >=18 first."
}

$nodeVersion = (node --version)
Write-Step "node version: $nodeVersion"

$webDir = "d:/Projects/Ai-DOP/SourceCode/references/Admin.NET/Web"
$entryDir = "d:/Projects/Ai-DOP/SourceCode/references/Admin.NET/server/Admin.NET.Web.Entry"

if (-not (Test-Path $webDir)) { throw "Web directory not found: $webDir" }
if (-not (Test-Path $entryDir)) { throw "Web.Entry directory not found: $entryDir" }

Write-Step "Install frontend dependencies + hooks"
Push-Location $webDir
try {
    if (Test-Command "pnpm") {
        Invoke-Checked "pnpm" @("install")
    } else {
        Write-Step "pnpm not found, fallback to npm install --legacy-peer-deps"
        Invoke-Checked "npm" @("install", "--legacy-peer-deps")
    }
    Invoke-Checked "npm" @("run", "prepare")
} finally {
    Pop-Location
}

Write-Step "Build backend core (net8.0)"
Invoke-Checked "dotnet" @("build", "d:/Projects/Ai-DOP/SourceCode/references/Admin.NET/server/Admin.NET.Core/Admin.NET.Core.csproj", "--framework", "net8.0")

if ($StartServices) {
    Write-Step "Starting backend and frontend services"
    Start-Process powershell -ArgumentList "-NoExit", "-Command", "Set-Location '$entryDir'; dotnet run --framework net8.0"
    Start-Process powershell -ArgumentList "-NoExit", "-Command", "Set-Location '$webDir'; npm run dev"
    Write-Step "Services started. Backend: http://localhost:5005  Frontend: http://localhost:8888"
}

Write-Step "Initialization complete."