package maintainance

import (
	"context"
	"encoding/json"
	"fmt"

	"adm-vehicle-style/errors"
	"adm-vehicle-style/model"
	v1 "adm-vehicle-style/pb/v1"

	"git.getensh.com/common/gopkgsv2/database"
	"git.getensh.com/common/gopkgsv2/logger"
	"go.uber.org/zap"
	"google.golang.org/grpc/status"
	"gorm.io/gorm"
)

func C2List(ctx context.Context, req *v1.C2ListRequest) (reply *v1.C2ListReply, err error) {
	reply = &v1.C2ListReply{}
	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"))
			}
		}
	}()

	list, err := model.NewStyleItemModel().List(database.DB().Where("style_id = ?", req.StyleId))
	if err != nil && err != gorm.ErrRecordNotFound {
		return nil, errors.SystemError
	}

	c2List, err := model.NewC2ItemModel().List(database.DB())
	if err != nil && err != gorm.ErrRecordNotFound {
		return nil, errors.SystemError
	}

	if err == gorm.ErrRecordNotFound {
		return reply, nil
	}

	exist := func(c2Id int64, list []model.StyleItem) bool {
		if len(list) == 0 {
			return false
		}

		for _, v := range list {
			if c2Id == v.C2Id {
				return true
			}
		}

		return false
	}

	reply.List = make([]*v1.C2ListReply_Info, 0, len(c2List))
	for _, v := range c2List {
		if !exist(v.ID, list) {
			reply.List = append(reply.List, &v1.C2ListReply_Info{
				Id:   v.ID,
				Name: v.Name,
			})
		}
	}

	return reply, nil
}