# 后端服务测试脚本
param(
    [switch]$StartBackend
)

Write-Host "🔍 后端服务诊断工具" -ForegroundColor Cyan
Write-Host "================================================" -ForegroundColor Cyan
Write-Host ""

# 检查后端服务状态
Write-Host "📋 检查后端服务状态..." -ForegroundColor Yellow

try {
    $response = Invoke-WebRequest -Uri "http://localhost:8080/health" -TimeoutSec 5 -ErrorAction Stop
    Write-Host "✅ 后端服务正在运行 (状态码: $($response.StatusCode))" -ForegroundColor Green
} catch {
    Write-Host "❌ 后端服务未运行或无法访问" -ForegroundColor Red
    Write-Host "   错误信息: $($_.Exception.Message)" -ForegroundColor Red
    
    if ($StartBackend) {
        Write-Host ""
        Write-Host "🚀 正在启动后端服务..." -ForegroundColor Yellow
        Start-Process powershell -ArgumentList "-NoExit", "-Command", "cd backend; go run main.go"
        Write-Host "⏳ 等待后端服务启动..." -ForegroundColor Yellow
        Start-Sleep -Seconds 5
        
        try {
            $response = Invoke-WebRequest -Uri "http://localhost:8080/health" -TimeoutSec 5 -ErrorAction Stop
            Write-Host "✅ 后端服务启动成功" -ForegroundColor Green
        } catch {
            Write-Host "❌ 后端服务启动失败" -ForegroundColor Red
        }
    }
}

Write-Host ""

# 测试API路由
Write-Host "🔍 测试API路由..." -ForegroundColor Yellow

$testRoutes = @(
    @{Path="/api/auth/roles/test"; Method="GET"; Name="角色列表(测试)"},
    @{Path="/api/auth/roles"; Method="GET"; Name="角色列表(正式)"},
    @{Path="/api/auth/login"; Method="POST"; Name="登录接口"},
    @{Path="/api/auth/captcha"; Method="GET"; Name="验证码接口"}
)

foreach ($route in $testRoutes) {
    try {
        $uri = "http://localhost:8080$($route.Path)"
        if ($route.Method -eq "GET") {
            $response = Invoke-WebRequest -Uri $uri -TimeoutSec 3 -ErrorAction Stop
        } else {
            $response = Invoke-WebRequest -Uri $uri -Method $route.Method -TimeoutSec 3 -ErrorAction Stop
        }
        
        $statusColor = if ($response.StatusCode -eq 200) { "Green" } else { "Yellow" }
        Write-Host "✅ $($route.Name): $($response.StatusCode)" -ForegroundColor $statusColor
    } catch {
        $errorMsg = if ($_.Exception.Response) { 
            "HTTP $($_.Exception.Response.StatusCode)" 
        } else { 
            $_.Exception.Message 
        }
        Write-Host "❌ $($route.Name): $errorMsg" -ForegroundColor Red
    }
}

Write-Host ""

# 检查数据库连接
Write-Host "🗄️  检查数据库配置..." -ForegroundColor Yellow
if (Test-Path "backend/config.yaml") {
    Write-Host "✅ 配置文件存在" -ForegroundColor Green
    $config = Get-Content "backend/config.yaml" -Raw
    if ($config -match "database") {
        Write-Host "✅ 数据库配置存在" -ForegroundColor Green
    } else {
        Write-Host "⚠️  数据库配置可能不完整" -ForegroundColor Yellow
    }
} else {
    Write-Host "❌ 配置文件不存在" -ForegroundColor Red
}

Write-Host ""

# 显示可用的测试命令
Write-Host "💡 可用的测试命令:" -ForegroundColor Cyan
Write-Host "   .\test-backend.ps1 -StartBackend  # 启动后端服务并测试" -ForegroundColor White
Write-Host "   curl http://localhost:8080/api/auth/roles/test  # 测试角色API" -ForegroundColor White
Write-Host "   curl http://localhost:8080/health  # 检查服务健康状态" -ForegroundColor White

Write-Host ""
Write-Host "🔧 故障排除建议:" -ForegroundColor Cyan
Write-Host "   1. 确保后端服务正在运行" -ForegroundColor White
Write-Host "   2. 检查端口8080是否被占用" -ForegroundColor White
Write-Host "   3. 检查数据库连接配置" -ForegroundColor White
Write-Host "   4. 查看后端日志文件" -ForegroundColor White
Write-Host "   5. 确保所有依赖已安装" -ForegroundColor White