$ErrorActionPreference = "Stop"
Set-StrictMode -Version Latest
Set-Location $PSScriptRoot

function Assert-Command {
    param([Parameter(Mandatory = $true)][string]$Name)
    if (-not (Get-Command $Name -ErrorAction SilentlyContinue)) {
        throw "Required command '$Name' was not found on PATH. Read START_HERE.md for prerequisites."
    }
}

function Invoke-Step {
    param(
        [Parameter(Mandatory = $true)][string]$Title,
        [Parameter(Mandatory = $true)][scriptblock]$Action
    )
    Write-Host "`n$Title" -ForegroundColor Yellow
    & $Action
    if ($LASTEXITCODE -ne 0) {
        throw "$Title failed with exit code $LASTEXITCODE."
    }
}

Write-Host "ForgeFlow Windows executable build" -ForegroundColor Cyan
Write-Host "Artifacts are unsigned and intended for local testing." -ForegroundColor DarkGray

Assert-Command node
Assert-Command npm
Assert-Command git

$nodeVersionText = (node --version).Trim()
$nodeMajor = [int]($nodeVersionText.TrimStart('v').Split('.')[0])
if ($nodeMajor -lt 22) {
    throw "Node.js 22 or newer is required. Detected: $nodeVersionText"
}

Invoke-Step "Installing exact project dependencies..." {
    if (Test-Path ".\package-lock.json") {
        npm ci --no-audit --no-fund
    } else {
        npm install --no-audit --no-fund
    }
}

Invoke-Step "Running the environment doctor..." {
    npm run doctor
}

Invoke-Step "Running the release quality gate..." {
    npm run check
}

Invoke-Step "Building NSIS installer and portable package..." {
    npm run dist:win
}

Write-Host "`nBuild complete. Artifacts are available in .\dist" -ForegroundColor Green
Get-ChildItem -Path .\dist -File | Select-Object Name, Length, LastWriteTime