# Angular 项目缓存清理脚本
# 用法: .\clean-cache.ps1

Write-Host "================================" -ForegroundColor Cyan
Write-Host "  Angular 项目缓存清理工具" -ForegroundColor Cyan
Write-Host "================================" -ForegroundColor Cyan
Write-Host ""

# 检查当前项目大小
Write-Host "📊 检查当前项目大小..." -ForegroundColor Yellow
$beforeSize = (Get-ChildItem -Recurse -ErrorAction SilentlyContinue | Measure-Object -Property Length -Sum).Sum / 1GB
Write-Host "当前项目总大小: $([math]::Round($beforeSize, 2)) GB" -ForegroundColor White
Write-Host ""

# 检查各文件夹大小
Write-Host "📁 各文件夹大小:" -ForegroundColor Yellow
$folders = @('.angular', 'node_modules', 'dist', 'coverage')
foreach ($folder in $folders) {
    if (Test-Path $folder) {
        $size = (Get-ChildItem $folder -Recurse -ErrorAction SilentlyContinue | Measure-Object -Property Length -Sum).Sum / 1GB
        $sizeStr = [math]::Round($size, 2)
        if ($size -gt 5) {
            Write-Host "  $folder : $sizeStr GB" -ForegroundColor Red
        } elseif ($size -gt 1) {
            Write-Host "  $folder : $sizeStr GB" -ForegroundColor Yellow
        } else {
            Write-Host "  $folder : $sizeStr GB" -ForegroundColor Green
        }
    } else {
        Write-Host "  $folder : 不存在" -ForegroundColor Gray
    }
}
Write-Host ""

# 询问用户要清理什么
Write-Host "🧹 请选择要清理的内容:" -ForegroundColor Cyan
Write-Host "  1. 仅清理 .angular 缓存 (推荐)" -ForegroundColor White
Write-Host "  2. 清理 .angular 和 dist" -ForegroundColor White
Write-Host "  3. 清理 .angular, dist 和 coverage" -ForegroundColor White
Write-Host "  4. 清理所有 (包括 node_modules)" -ForegroundColor Red
Write-Host "  5. 取消" -ForegroundColor Gray
Write-Host ""

$choice = Read-Host "请输入选项 (1-5)"

switch ($choice) {
    "1" {
        Write-Host ""
        Write-Host "🗑️  正在清理 .angular 缓存..." -ForegroundColor Yellow
        if (Test-Path ".angular") {
            Remove-Item -Path ".angular" -Recurse -Force -ErrorAction SilentlyContinue
            Write-Host "✅ .angular 已删除" -ForegroundColor Green
        } else {
            Write-Host "ℹ️  .angular 不存在" -ForegroundColor Gray
        }
    }
    "2" {
        Write-Host ""
        Write-Host "🗑️  正在清理 .angular 和 dist..." -ForegroundColor Yellow
        if (Test-Path ".angular") {
            Remove-Item -Path ".angular" -Recurse -Force -ErrorAction SilentlyContinue
            Write-Host "✅ .angular 已删除" -ForegroundColor Green
        }
        if (Test-Path "dist") {
            Remove-Item -Path "dist" -Recurse -Force -ErrorAction SilentlyContinue
            Write-Host "✅ dist 已删除" -ForegroundColor Green
        }
    }
    "3" {
        Write-Host ""
        Write-Host "🗑️  正在清理 .angular, dist 和 coverage..." -ForegroundColor Yellow
        if (Test-Path ".angular") {
            Remove-Item -Path ".angular" -Recurse -Force -ErrorAction SilentlyContinue
            Write-Host "✅ .angular 已删除" -ForegroundColor Green
        }
        if (Test-Path "dist") {
            Remove-Item -Path "dist" -Recurse -Force -ErrorAction SilentlyContinue
            Write-Host "✅ dist 已删除" -ForegroundColor Green
        }
        if (Test-Path "coverage") {
            Remove-Item -Path "coverage" -Recurse -Force -ErrorAction SilentlyContinue
            Write-Host "✅ coverage 已删除" -ForegroundColor Green
        }
    }
    "4" {
        Write-Host ""
        Write-Host "⚠️  警告: 这将删除所有缓存和依赖!" -ForegroundColor Red
        $confirm = Read-Host "确认删除? (yes/no)"
        if ($confirm -eq "yes") {
            Write-Host "🗑️  正在清理所有文件..." -ForegroundColor Yellow
            Remove-Item -Path ".angular" -Recurse -Force -ErrorAction SilentlyContinue
            Remove-Item -Path "dist" -Recurse -Force -ErrorAction SilentlyContinue
            Remove-Item -Path "coverage" -Recurse -Force -ErrorAction SilentlyContinue
            Remove-Item -Path "node_modules" -Recurse -Force -ErrorAction SilentlyContinue
            Write-Host "✅ 所有文件已删除" -ForegroundColor Green
            Write-Host "💡 请运行 'npm install' 重新安装依赖" -ForegroundColor Cyan
        } else {
            Write-Host "❌ 已取消" -ForegroundColor Gray
            exit
        }
    }
    "5" {
        Write-Host "❌ 已取消" -ForegroundColor Gray
        exit
    }
    default {
        Write-Host "❌ 无效选项" -ForegroundColor Red
        exit
    }
}

# 显示清理后的大小
Write-Host ""
Write-Host "📊 清理后的项目大小..." -ForegroundColor Yellow
$afterSize = (Get-ChildItem -Recurse -ErrorAction SilentlyContinue | Measure-Object -Property Length -Sum).Sum / 1GB
$saved = $beforeSize - $afterSize
Write-Host "清理后项目大小: $([math]::Round($afterSize, 2)) GB" -ForegroundColor Green
Write-Host "节省空间: $([math]::Round($saved, 2)) GB" -ForegroundColor Green
Write-Host ""

Write-Host "✅ 清理完成!" -ForegroundColor Green
Write-Host ""