package adapters

import (
	"context"
	"fmt"
	"github.com/shadow1ng/fscan/common"
	"github.com/shadow1ng/fscan/common/i18n"
	"github.com/shadow1ng/fscan/common/output"
	"github.com/shadow1ng/fscan/plugins/base"
	"time"
	
	// 导入新插件以触发注册
	_ "github.com/shadow1ng/fscan/plugins/services/mysql"
	_ "github.com/shadow1ng/fscan/plugins/services/redis" 
	_ "github.com/shadow1ng/fscan/plugins/services/ssh"
)

// PluginAdapter 插件适配器，将新插件架构与旧系统集成
type PluginAdapter struct {
	registry *base.PluginRegistry
}

// NewPluginAdapter 创建插件适配器
func NewPluginAdapter() *PluginAdapter {
	return &PluginAdapter{
		registry: base.GlobalPluginRegistry,
	}
}

// AdaptPluginScan 适配插件扫描调用
// 将传统的插件扫描函数调用转换为新架构的插件调用
func (a *PluginAdapter) AdaptPluginScan(pluginName string, info *common.HostInfo) error {
	// 创建插件实例
	plugin, err := a.registry.Create(pluginName)
	if err != nil {
		// 如果新架构中没有该插件，返回错误让旧系统处理
		return fmt.Errorf("plugin %s not found in new architecture: %v", pluginName, err)
	}
	
	// 初始化插件
	if err := plugin.Initialize(); err != nil {
		return fmt.Errorf("plugin %s initialization failed: %v", pluginName, err)
	}
	
	// 设置全局超时上下文
	ctx, cancel := context.WithTimeout(context.Background(), time.Duration(common.GlobalTimeout)*time.Second)
	defer cancel()
	
	// 执行扫描
	result, err := plugin.Scan(ctx, info)
	if err != nil {
		common.LogError(fmt.Sprintf("Plugin %s scan failed: %v", pluginName, err))
		return err
	}
	
	// 如果扫描成功，记录结果
	if result != nil && result.Success {
		target := fmt.Sprintf("%s:%s", info.Host, info.Ports)
		
		// 适配器层不输出扫描结果，由插件层负责输出
		// 这避免了重复输出的问题
		common.LogDebug(fmt.Sprintf("插件 %s 适配成功: %s", pluginName, target))
		
		// 保存结果到文件
		a.saveResult(info, result, pluginName)
		
		// 如果有漏洞信息，也记录下来
		for _, vuln := range result.Vulnerabilities {
			common.LogError(fmt.Sprintf("%s vulnerability found: %s - %s", 
				pluginName, vuln.ID, vuln.Description))
		}
	}
	
	return nil
}

// saveResult 保存扫描结果
func (a *PluginAdapter) saveResult(info *common.HostInfo, result *base.ScanResult, pluginName string) {
	// 使用原有的结果保存机制
	
	vulnResult := &output.ScanResult{
		Time:   time.Now(),
		Type:   output.TypeVuln,
		Target: info.Host,
		Status: "vulnerable",
		Details: map[string]interface{}{
			"plugin": pluginName,
			"port":   info.Ports,
			"host":   info.Host,
		},
	}
	
	if len(result.Credentials) > 0 {
		cred := result.Credentials[0]
		if cred.Username != "" {
			vulnResult.Details["username"] = cred.Username
			vulnResult.Details["password"] = cred.Password
			vulnResult.Details["credentials"] = fmt.Sprintf("%s:%s", cred.Username, cred.Password)
		} else {
			vulnResult.Details["password"] = cred.Password
			vulnResult.Details["credentials"] = cred.Password
		}
	} else {
		// 未授权访问
		vulnResult.Details["type"] = "unauthorized"
	}
	
	// 保存结果
	common.SaveResult(vulnResult)
}

// IsPluginSupported 检查插件是否在新架构中支持
func (a *PluginAdapter) IsPluginSupported(pluginName string) bool {
	plugins := a.registry.GetAll()
	for _, name := range plugins {
		if name == pluginName {
			return true
		}
	}
	return false
}

// GetSupportedPlugins 获取新架构支持的插件列表
func (a *PluginAdapter) GetSupportedPlugins() []string {
	return a.registry.GetAll()
}

// GetPluginMetadata 获取插件元数据
func (a *PluginAdapter) GetPluginMetadata(pluginName string) (*base.PluginMetadata, error) {
	metadata := a.registry.GetMetadata(pluginName)
	if metadata == nil {
		return nil, fmt.Errorf("plugin %s not found", pluginName)
	}
	return metadata, nil
}

// =============================================================================
// 全局适配器实例
// =============================================================================

// GlobalAdapter 全局插件适配器实例
var GlobalAdapter = NewPluginAdapter()

// =============================================================================
// 便捷函数
// =============================================================================

// TryNewArchitecture 尝试使用新架构执行插件扫描
// 如果新架构支持该插件，则使用新架构；否则返回false让调用方使用旧插件
func TryNewArchitecture(pluginName string, info *common.HostInfo) bool {
	if !GlobalAdapter.IsPluginSupported(pluginName) {
		common.LogDebug(i18n.GetText("plugin_legacy_using", pluginName))
		return false
	}
	
	common.LogDebug(i18n.GetText("plugin_new_arch_trying", pluginName))
	err := GlobalAdapter.AdaptPluginScan(pluginName, info)
	if err != nil {
		common.LogError(i18n.GetText("plugin_new_arch_fallback", pluginName, err))
		return false
	}
	
	common.LogDebug(i18n.GetText("plugin_new_arch_success", pluginName))
	return true
}