package rbac

import (
	"context"
	"cp-organization-management/errors"
	"cp-organization-management/model"
	pb_v1 "cp-organization-management/pb/v1"
	"cp-organization-management/utils"
	"encoding/json"
	"fmt"
	"github.com/jaryhe/gopkgs/database"
	"github.com/jaryhe/gopkgs/logger"
	"github.com/jinzhu/gorm"
	"go.uber.org/zap"
	"google.golang.org/grpc/status"
)


func getChild(pid int64, m map[int64][]*pb_v1.RbacNodeItem) (ret []*pb_v1.RbacNodeItem) {
	if _, ok := m[pid]; !ok {
		return ret
	}
	ret = append(ret, m[pid]...)
	for k, v := range ret {
		ret[k].Childs = getChild(v.Id, m)
	}
	return ret
}

func NodeTree(array []model.RbacNode) (ret []*pb_v1.RbacNodeItem) {
	m := map[int64][]*pb_v1.RbacNodeItem{}
	for _, v := range array {
		item := pb_v1.RbacNodeItem{
			Id:v.Id,
			Pid:v.Pid,
			Method:v.Method,
			Resource:v.Resource,
			Object:v.Object,
			Router:v.Router,
			Name:v.Name,
		}
		m[v.Pid] = append(m[v.Pid], &item)
	}

	return getChild(0, m)
}

func NodeTreeSelect(array []model.RbacNode) (ret []*pb_v1.RbacNodeItem) {
	m := map[int64][]*pb_v1.RbacNodeItem{}
	for _, v := range array {
		item := pb_v1.RbacNodeItem{
			Id:v.Id,
			Pid:v.Pid,
			Method:v.Method,
			Resource:v.Resource,
			Object:v.Object,
			Router:v.Router,
			Name:v.Name,
			Select:true,
		}
		m[v.Pid] = append(m[v.Pid], &item)
	}

	return getChild(0, m)
}


func RbacNodeList(ctx context.Context, req *pb_v1.RbacNodeListRequest) (reply *pb_v1.RbacNodeListReply, err error) {
	reply = &pb_v1.RbacNodeListReply{}

	// 捕获各个task中的异常并返回给调用者
	defer func() {
		if r := recover(); r != nil {
			err = fmt.Errorf("%+v", r)
			e := &status.Status{}
			if er := json.Unmarshal([]byte(err.Error()), e); er != nil {
				logger.Error("err",
					zap.String("system_err", err.Error()),
					zap.Stack("stacktrace"))
			}
		}
	}()

	if req.OrganizationCode == "" {
		return nil, errors.ParamsError
	}

	dbname := utils.GetDbName(req.OrganizationCode)
	p := model.NewRbacNode(dbname)
	list := []model.RbacNode{}
	where := map[string]interface{}{
		"is_super":false,
	}
	if req.IsAll {
		where = nil
	}
	err = p.QueryAll(database.DB(), where, &list)
	if err != nil {
		if err == gorm.ErrRecordNotFound {
			return reply, nil
		}
		return nil, errors.DataBaseError
	}

	reply.List = NodeTree(list)

	return reply, nil
}