#!/usr/bin/env pwsh
Set-StrictMode -Version Latest
$ErrorActionPreference = 'Stop'

if (-not (Test-Path '.env'))
{
    Write-Warning ".env file not found. Exiting without running Docker steps."
    exit 0
}

$cpuCount = [Environment]::ProcessorCount
if ($cpuCount -lt 4)
{
    Write-Error "Insufficient CPU cores: $cpuCount detected. Minimum 4 required."
    exit 1
}

$totalMemBytes = (Get-CimInstance Win32_ComputerSystem).TotalPhysicalMemory
$totalMemGB = [Math]::Round($totalMemBytes / 1GB, 2)
if ($totalMemGB -lt 6)
{
    Write-Error "Insufficient RAM: $totalMemGB GB detected. Minimum 6 GB required."
    exit 1
}

$currentDrive = Split-Path -Qualifier $PWD
$driveLetter = $currentDrive.Substring(0, 1)
$driveInfo = Get-PSDrive -Name $driveLetter
$freeGB = [Math]::Round($driveInfo.Free / 1GB, 2)
if ($freeGB -lt 20)
{
    Write-Error "Insufficient free disk space on drive $driveLetter`: $freeGB GB available. Minimum 20 GB required."
    exit 1
}

Write-Host "System requirements met:" `
    "CPU cores=$cpuCount," `
    "RAM=${totalMemGB}GB," `
    "FreeDisk=${freeGB}GB" -ForegroundColor Green

Write-Host "Pulling related images..." -ForegroundColor Green
docker compose pull

Write-Host "Building the project's images..." -ForegroundColor Green
docker compose build