param(
    [switch]$verbose
)

Write-Host "=== Verifying Build Health ===" -ForegroundColor Green

$errors = @()
$warnings = @()

# Check for common build issues
Write-Host "Checking for common build issues..." -ForegroundColor Yellow

# Check for mismatched .d.ts files in source directories
Write-Host "Checking for .d.ts files in source directories..." -ForegroundColor Blue
$sourceDtsFiles = Get-ChildItem -Path ".\libs\*\src\**\*.d.ts" -Recurse -ErrorAction SilentlyContinue
if ($sourceDtsFiles.Count -gt 0) {
    $warnings += "Found .d.ts files in source directories:"
    foreach ($file in $sourceDtsFiles) {
        $warnings += "  - $($file.FullName)"
    }
}

# Check for missing dist directories after build
Write-Host "Checking for missing dist directories..." -ForegroundColor Blue
$libraries = @("types", "config", "logger", "utils", "cache", "http")
foreach ($lib in $libraries) {
    $distPath = "libs\$lib\dist"
    if (-not (Test-Path $distPath)) {
        $errors += "Missing dist directory for $lib"
    } else {
        $indexFile = "$distPath\index.js"
        if (-not (Test-Path $indexFile)) {
            $errors += "Missing index.js in $lib dist directory"
        }
    }
}

# Check for stale tsbuildinfo files
Write-Host "Checking for stale tsbuildinfo files..." -ForegroundColor Blue
$tsbuildFiles = Get-ChildItem -Path ".\**\*.tsbuildinfo" -Recurse -ErrorAction SilentlyContinue
if ($tsbuildFiles.Count -gt 0) {
    $warnings += "Found stale .tsbuildinfo files:"
    foreach ($file in $tsbuildFiles) {
        $warnings += "  - $($file.FullName)"
    }
}

# Check package.json dependencies
Write-Host "Checking package.json files..." -ForegroundColor Blue
$packageFiles = Get-ChildItem -Path ".\**\package.json" -Recurse -ErrorAction SilentlyContinue
foreach ($packageFile in $packageFiles) {
    try {
        $packageContent = Get-Content $packageFile.FullName | ConvertFrom-Json
        if (-not $packageContent.name) {
            $errors += "Package.json missing name: $($packageFile.FullName)"
        }
        if (-not $packageContent.version) {
            $warnings += "Package.json missing version: $($packageFile.FullName)"
        }
    } catch {
        $errors += "Invalid package.json: $($packageFile.FullName)"
    }
}

# Report results
Write-Host "`n=== Build Health Report ===" -ForegroundColor Green

if ($errors.Count -gt 0) {
    Write-Host "❌ ERRORS FOUND:" -ForegroundColor Red
    foreach ($error in $errors) {
        Write-Host "  $error" -ForegroundColor Red
    }
}

if ($warnings.Count -gt 0) {
    Write-Host "⚠ WARNINGS:" -ForegroundColor Yellow
    foreach ($warning in $warnings) {
        Write-Host "  $warning" -ForegroundColor Yellow
    }
}

if ($errors.Count -eq 0 -and $warnings.Count -eq 0) {
    Write-Host "✅ No issues found - build environment is healthy!" -ForegroundColor Green
} elseif ($errors.Count -eq 0) {
    Write-Host "✅ No critical errors found (only warnings)" -ForegroundColor Green
} else {
    Write-Host "❌ Critical errors found - build may fail" -ForegroundColor Red
    exit 1
}

Write-Host "`nRecommended commands:" -ForegroundColor Cyan
Write-Host "  Clean build: bun run reset" -ForegroundColor Gray
Write-Host "  Quick build: bun run build" -ForegroundColor Gray
Write-Host "  Clean only: bun run clean:dist" -ForegroundColor Gray