package clusters

import (
	"encoding/json"
	"net"
	"regexp"
	"strings"

	"github.com/TeaOSLab/EdgeAdmin/internal/web/actions/actionutils"
	"github.com/TeaOSLab/EdgeCommon/pkg/rpc/pb"
	"github.com/iwind/TeaGo/actions"
	"github.com/iwind/TeaGo/maps"
)

type UpdateNodeSSHAction struct {
	actionutils.ParentAction
}

func (this *UpdateNodeSSHAction) RunGet(params struct {
	NodeId int64
}) {
	resp, err := this.RPC().HTTPDNSNodeRPC().FindHTTPDNSNode(this.AdminContext(), &pb.FindHTTPDNSNodeRequest{
		NodeId: params.NodeId,
	})
	if err != nil {
		this.ErrorPage(err)
		return
	}

	clusterId := int64(0)
	nodeName := ""
	if resp.GetNode() != nil {
		clusterId = resp.GetNode().GetClusterId()
		nodeName = resp.GetNode().GetName()
	}

	this.Data["nodeId"] = params.NodeId
	this.Data["clusterId"] = clusterId
	this.Data["node"] = maps.Map{
		"id":   params.NodeId,
		"name": nodeName,
	}
	loginParams := maps.Map{
		"host":    "",
		"port":    22,
		"grantId": 0,
	}
	this.Data["loginId"] = 0

	// 从 NodeLogin 读取 SSH 信息
	if resp.GetNode() != nil && resp.GetNode().GetNodeLogin() != nil {
		nodeLogin := resp.GetNode().GetNodeLogin()
		this.Data["loginId"] = nodeLogin.Id
		if len(nodeLogin.Params) > 0 {
			_ = json.Unmarshal(nodeLogin.Params, &loginParams)
		}
	}

	this.Data["params"] = loginParams

	// 认证信息
	grantId := loginParams.GetInt64("grantId")
	var grantMap maps.Map = nil
	if grantId > 0 {
		grantResp, grantErr := this.RPC().NodeGrantRPC().FindEnabledNodeGrant(this.AdminContext(), &pb.FindEnabledNodeGrantRequest{
			NodeGrantId: grantId,
		})
		if grantErr == nil && grantResp.GetNodeGrant() != nil {
			g := grantResp.GetNodeGrant()
			grantMap = maps.Map{
				"id":         g.Id,
				"name":       g.Name,
				"method":     g.Method,
				"methodName": g.Method,
			}
		}
	}
	this.Data["grant"] = grantMap

	this.Show()
}

func (this *UpdateNodeSSHAction) RunPost(params struct {
	NodeId  int64
	LoginId int64
	SshHost string
	SshPort int
	GrantId int64

	Must *actions.Must
}) {
	params.SshHost = strings.TrimSpace(params.SshHost)
	params.Must.
		Field("sshHost", params.SshHost).
		Require("请输入 SSH 主机地址").
		Field("sshPort", params.SshPort).
		Gt(0, "SSH 端口必须大于 0").
		Lt(65535, "SSH 端口必须小于 65535")
	if params.GrantId <= 0 {
		this.Fail("请选择节点登录认证信息")
	}

	if regexp.MustCompile(`^\d+\.\d+\.\d+\.\d+$`).MatchString(params.SshHost) && net.ParseIP(params.SshHost) == nil {
		this.Fail("SSH 主机地址 IP 格式错误")
	}

	login := &pb.NodeLogin{
		Id:   params.LoginId,
		Name: "SSH",
		Type: "ssh",
		Params: maps.Map{
			"grantId": params.GrantId,
			"host":    params.SshHost,
			"port":    params.SshPort,
		}.AsJSON(),
	}

	_, err := this.RPC().HTTPDNSNodeRPC().UpdateHTTPDNSNodeLogin(this.AdminContext(), &pb.UpdateHTTPDNSNodeLoginRequest{
		NodeId:    params.NodeId,
		NodeLogin: login,
	})
	if err != nil {
		this.Fail("保存SSH登录信息失败: " + err.Error())
		return
	}

	this.Success()
}