# 诊断脚本 - 检查项目状态和问题
param(
    [switch]$Fix
)

# 设置控制台编码为 UTF-8
[Console]::OutputEncoding = [System.Text.Encoding]::UTF8
[Console]::InputEncoding = [System.Text.Encoding]::UTF8
$OutputEncoding = [System.Text.Encoding]::UTF8

Write-Host "🔍 GoFaster 项目诊断" -ForegroundColor Cyan
Write-Host "========================" -ForegroundColor Cyan
Write-Host ""

# 1. 检查 Node.js 和 npm
Write-Host "1️⃣ 检查 Node.js 环境..." -ForegroundColor Yellow
try {
    $nodeVersion = node --version 2>$null
    $npmVersion = npm --version 2>$null
    
    if ($nodeVersion) {
        Write-Host "   ✅ Node.js: $nodeVersion" -ForegroundColor Green
    } else {
        Write-Host "   ❌ Node.js 未安装或不在 PATH 中" -ForegroundColor Red
    }
    
    if ($npmVersion) {
        Write-Host "   ✅ npm: $npmVersion" -ForegroundColor Green
    } else {
        Write-Host "   ❌ npm 未安装或不在 PATH 中" -ForegroundColor Red
    }
} catch {
    Write-Host "   ❌ 检查 Node.js 环境失败: $($_.Exception.Message)" -ForegroundColor Red
}

Write-Host ""

# 2. 检查项目结构
Write-Host "2️⃣ 检查项目结构..." -ForegroundColor Yellow
$requiredFiles = @(
    "package.json",
    "vue.config.js",
    "src/main/index.js",
    "src/renderer/main.js",
    "public/index.html"
)

foreach ($file in $requiredFiles) {
    if (Test-Path $file) {
        Write-Host "   ✅ $file" -ForegroundColor Green
    } else {
        Write-Host "   ❌ $file (缺失)" -ForegroundColor Red
    }
}

Write-Host ""

# 3. 检查依赖
Write-Host "3️⃣ 检查依赖..." -ForegroundColor Yellow
if (Test-Path "node_modules") {
    Write-Host "   ✅ node_modules 存在" -ForegroundColor Green
    
    # 检查关键依赖
    $keyDependencies = @("vue", "electron", "@vue/cli-service")
    foreach ($dep in $keyDependencies) {
        $depPath = "node_modules/$dep"
        if (Test-Path $depPath) {
            Write-Host "   ✅ $dep" -ForegroundColor Green
        } else {
            Write-Host "   ❌ $dep (缺失)" -ForegroundColor Red
        }
    }
} else {
    Write-Host "   ❌ node_modules 不存在" -ForegroundColor Red
}

Write-Host ""

# 4. 检查构建文件
Write-Host "4️⃣ 检查构建文件..." -ForegroundColor Yellow
$buildFiles = @(
    "dist/renderer/index.html",
    "dist/renderer/js/index.js",
    "dist/renderer/js/vendors.js"
)

$buildFilesExist = $true
foreach ($file in $buildFiles) {
    if (Test-Path $file) {
        $size = (Get-Item $file).Length
        $sizeKB = [math]::Round($size / 1KB, 2)
        Write-Host "   ✅ $file ($sizeKB KB)" -ForegroundColor Green
    } else {
        Write-Host "   ❌ $file (缺失)" -ForegroundColor Red
        $buildFilesExist = $false
    }
}

Write-Host ""

# 5. 检查构建文件内容
if ($buildFilesExist) {
    Write-Host "5️⃣ 检查构建文件内容..." -ForegroundColor Yellow
    $indexHtml = Get-Content "dist/renderer/index.html" -Raw
    if ($indexHtml -match "vendors\.js") {
        Write-Host "   ✅ index.html 包含 vendors.js 引用" -ForegroundColor Green
    } else {
        Write-Host "   ❌ index.html 缺少 vendors.js 引用" -ForegroundColor Red
    }
    
    if ($indexHtml -match "index\.js") {
        Write-Host "   ✅ index.html 包含 index.js 引用" -ForegroundColor Green
    } else {
        Write-Host "   ❌ index.html 缺少 index.js 引用" -ForegroundColor Red
    }
}

Write-Host ""

# 6. 检查配置文件
Write-Host "6️⃣ 检查配置文件..." -ForegroundColor Yellow
$vueConfig = Get-Content "vue.config.js" -Raw
if ($vueConfig -match "publicPath.*['\""]\.\/['\""]") {
    Write-Host "   ⚠️  vue.config.js 中的 publicPath 可能导致资源加载问题" -ForegroundColor Yellow
} else {
    Write-Host "   ✅ vue.config.js 配置正常" -ForegroundColor Green
}

Write-Host ""

# 7. 总结和建议
Write-Host "📋 诊断总结" -ForegroundColor Cyan
Write-Host "=============" -ForegroundColor Cyan

$issues = @()

if (-not (Test-Path "node_modules")) {
    $issues += "依赖未安装"
}

if (-not $buildFilesExist) {
    $issues += "构建文件缺失"
}

if ($issues.Count -eq 0) {
    Write-Host "✅ 项目状态良好，没有发现明显问题" -ForegroundColor Green
} else {
    Write-Host "⚠️  发现以下问题:" -ForegroundColor Yellow
    foreach ($issue in $issues) {
        Write-Host "   • $issue" -ForegroundColor Red
    }
}

Write-Host ""

# 8. 修复建议
Write-Host "🔧 修复建议" -ForegroundColor Cyan
Write-Host "=============" -ForegroundColor Cyan
Write-Host "1. 如果依赖缺失，运行: npm install" -ForegroundColor White
Write-Host "2. 如果构建文件缺失，运行: npm run fix:build" -ForegroundColor White
Write-Host "3. 如果问题持续，运行: npm run fix:rebuild" -ForegroundColor White
Write-Host "4. 使用修复版启动脚本: npm run start:fixed" -ForegroundColor White

if ($Fix) {
    Write-Host ""
    Write-Host "🔨 自动修复..." -ForegroundColor Yellow
    
    if (-not (Test-Path "node_modules")) {
        Write-Host "   安装依赖..." -ForegroundColor Yellow
        npm install
    }
    
    if (-not $buildFilesExist) {
        Write-Host "   重新构建..." -ForegroundColor Yellow
        npm run fix:build
    }
    
    Write-Host "✅ 修复完成!" -ForegroundColor Green
}