$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."
    }
}

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 v0.4.2 source update" -ForegroundColor Cyan
Write-Host "Your Gitea token, repository mappings and deployment profiles are stored outside this source folder and are not reset." -ForegroundColor DarkGray

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

$package = Get-Content ".\package.json" -Raw | ConvertFrom-Json
if ($package.version -ne "0.4.2") {
    throw "This folder does not contain ForgeFlow v0.4.2. Detected version: $($package.version)"
}

Invoke-Step "Updating project dependencies..." {
    npm install --no-audit --no-fund
}

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

Invoke-Step "Running source verification and all automated tests..." {
    npm run check
}

Write-Host "`nForgeFlow v0.4.2 is ready." -ForegroundColor Green
Write-Host "Starting ForgeFlow with your existing local configuration..." -ForegroundColor Green
npm start