package clusteraction

import (
	"context"
	"fmt"

	opent "github.com/tidbcloud/devops/entity/operation"
	"github.com/tidbcloud/devops/pkg/infra/utils/grpcutil"
	"github.com/tidbcloud/devops/pkg/service/operation/actions"

	"github.com/tidbcloud/core-svc/idl/pbgen/proto/core"
)

var (
	ActionResumeCluster opent.ActionMetadata = opent.ActionMetadata{
		Name: "ResumeCluster",
		Type: opent.ActionTypeAuto,
	}
)

type resumeCluster struct {
	actions.BaseAction
	comps *actions.Components
}

func NewResumeCluster(comps *actions.Components) actions.AutoAction {
	return &resumeCluster{comps: comps}
}

func (a *resumeCluster) Metadata() opent.ActionMetadata {
	return ActionResumeCluster
}

func (a *resumeCluster) PreCheck(ctx context.Context, instance *opent.Instance) error {
	param, err := a.getParam(instance)
	if err != nil {
		return err
	}

	_, err = a.comps.CoreSvc.GetCluster(ctx, param.ClusterId, false)
	return err
}

func (a *resumeCluster) Start(ctx context.Context, instance *opent.Instance) (*actions.ActionResult, error) {
	req, err := a.getParam(instance)
	if err != nil {
		return actions.FailedActionResult(err), nil
	}

	resp, err := a.comps.CoreSvc.Core.ResumeCluster(ctx, req)
	if err != nil {
		return actions.FailedActionResult(err), nil
	}
	if err := grpcutil.RespToErr(resp.BaseResp); err != nil {
		return actions.FailedActionResult(err), nil
	}

	return actions.RunningActionResult("sent request to resume this cluster", nil), nil
}

func (a *resumeCluster) Result(ctx context.Context, instance *opent.Instance) (*actions.ActionResult, error) {
	param, err := a.getParam(instance)
	if err != nil {
		return nil, err
	}

	cluster, err := a.comps.CoreSvc.GetCluster(ctx, param.ClusterId, false)
	if err != nil {
		return actions.NewActionResult(opent.ActionStatusUnknown, err.Error(), nil), nil
	}

	if cluster.Status == core.ClusterStatus_CLUSTER_STATUS_NORMAL {
		return actions.NewActionResult(opent.ActionStatusSucceeded, "", nil), nil
	}

	return actions.RunningActionResult(fmt.Sprintf("cluster status is '%s'", cluster.Status), nil), nil
}

func (a *resumeCluster) getParam(instance *opent.Instance) (*core.ResumeClusterReq, error) {
	cid, err := actions.GetClusterID(instance)
	if err != nil {
		return nil, err
	}

	p := &core.ResumeClusterReq{
		OperatorId: 0,
		ClusterId:  cid,
	}
	return p, nil
}