<#
.SYNOPSIS
    Runs tests for the Likwid project.
.DESCRIPTION
    Runs backend (Rust) and frontend tests.
    Use -Backend, -Frontend, or -All flags.
#>
[CmdletBinding()]
param(
    [switch]$Backend,
    [switch]$Frontend,
    [switch]$All
)

$ErrorActionPreference = 'Stop'
$root = Split-Path -Parent $PSScriptRoot

# Default to all if no flags
if (-not $Backend -and -not $Frontend) { $All = $true }

$results = @()

# Backend tests
if ($Backend -or $All) {
    Write-Host "=== Backend Tests ===" -ForegroundColor Cyan
    Push-Location (Join-Path $root 'backend')
    try {
        $env:DATABASE_URL = "postgres://likwid:likwid@127.0.0.1:5432/likwid"
        cargo test --no-fail-fast 2>&1 | Tee-Object -Variable backendOutput
        $results += @{ Component = 'Backend'; Success = ($LASTEXITCODE -eq 0) }
    } finally {
        Pop-Location
    }
}

# Frontend tests
if ($Frontend -or $All) {
    Write-Host ""
    Write-Host "=== Frontend Tests ===" -ForegroundColor Cyan
    Push-Location (Join-Path $root 'frontend')
    try {
        npm run build 2>&1 | Tee-Object -Variable frontendOutput
        $results += @{ Component = 'Frontend'; Success = ($LASTEXITCODE -eq 0) }
    } finally {
        Pop-Location
    }
}

# Summary
Write-Host ""
Write-Host "=== Test Summary ===" -ForegroundColor Cyan
foreach ($r in $results) {
    $status = if ($r.Success) { "PASS" } else { "FAIL" }
    $color = if ($r.Success) { "Green" } else { "Red" }
    Write-Host "$($r.Component): $status" -ForegroundColor $color
}

$failed = $results | Where-Object { -not $_.Success }
if ($failed) {
    exit 1
}