package clusters

import (
	"strconv"
	"strings"

	"github.com/TeaOSLab/EdgeAdmin/internal/web/actions/actionutils"
	"github.com/TeaOSLab/EdgeAdmin/internal/web/actions/default/httpdns/httpdnsutils"
	"github.com/TeaOSLab/EdgeCommon/pkg/rpc/pb"
	"github.com/TeaOSLab/EdgeCommon/pkg/systemconfigs"
	"github.com/iwind/TeaGo/actions"
)

type CreateAction struct {
	actionutils.ParentAction
}

func (this *CreateAction) Init() {
	this.Nav("httpdns", "cluster", "")
}

func (this *CreateAction) RunGet(params struct{}) {
	httpdnsutils.AddLeftMenu(this.Parent())
	this.Show()
}

func (this *CreateAction) RunPost(params struct {
	Name             string
	GatewayDomain    string
	CacheTtl         int32
	FallbackTimeout  int32
	InstallDir       string
	IsOn             bool
	IsDefaultPrimary bool
	IsDefaultBackup  bool

	Must *actions.Must
}) {
	params.Name = strings.TrimSpace(params.Name)
	params.GatewayDomain = strings.TrimSpace(params.GatewayDomain)
	params.InstallDir = strings.TrimSpace(params.InstallDir)
	if len(params.InstallDir) == 0 {
		params.InstallDir = "/opt/edge-httpdns"
	}
	if params.CacheTtl <= 0 {
		params.CacheTtl = 30
	}
	if params.FallbackTimeout <= 0 {
		params.FallbackTimeout = 300
	}

	params.Must.Field("name", params.Name).Require("请输入集群名称")
	params.Must.Field("gatewayDomain", params.GatewayDomain).Require("请输入服务域名")

	if params.IsDefaultPrimary && !params.IsOn {
		this.Fail("默认主集群必须保持启用状态")
		return
	}
	if params.IsDefaultBackup && !params.IsOn {
		this.Fail("默认备用集群必须保持启用状态")
		return
	}
	if params.IsDefaultPrimary && params.IsDefaultBackup {
		this.Fail("默认主集群和默认备用集群不能是同一个集群")
		return
	}

	resp, err := this.RPC().HTTPDNSClusterRPC().CreateHTTPDNSCluster(this.AdminContext(), &pb.CreateHTTPDNSClusterRequest{
		Name:              params.Name,
		ServiceDomain:     params.GatewayDomain,
		DefaultTTL:        params.CacheTtl,
		FallbackTimeoutMs: params.FallbackTimeout,
		InstallDir:        params.InstallDir,
		IsOn:              params.IsOn,
		IsDefault:         params.IsDefaultPrimary,
	})
	if err != nil {
		this.ErrorPage(err)
		return
	}

	if params.IsDefaultBackup {
		_, err = this.RPC().SysSettingRPC().UpdateSysSetting(this.AdminContext(), &pb.UpdateSysSettingRequest{
			Code:      string(systemconfigs.SettingCodeHTTPDNSDefaultBackupClusterId),
			ValueJSON: []byte(strconv.FormatInt(resp.GetClusterId(), 10)),
		})
		if err != nil {
			this.ErrorPage(err)
			return
		}
	}

	this.Data["clusterId"] = resp.GetClusterId()
	this.Success()
}