package maintainance

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

	"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 StyleItem(ctx context.Context, req *v1.MaintainManualRequest) (reply *v1.StyleItemReply, err error) {
	reply = &v1.StyleItemReply{}
	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
	}

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

	reply.List = make([]*v1.StyleItem, 0, len(list))
	for _, v := range list {
		reply.List = append(reply.List, &v1.StyleItem{
			Id:            v.ID,
			C2Name:        v.C2Name,
			C2Id:          v.C2Id,
			Useage:        v.Useage,
			Detail:        v.Detail,
			AttributeRule: v.AttributeRule,
			StyleId:       req.StyleId,
		})
	}

	return reply, nil
}

func UpdateStyleItem(ctx context.Context, req *v1.UpdateStyleItemRequest) (reply *v1.EmptyReply, err error) {
	reply = &v1.EmptyReply{}
	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 len(req.List) == 0 {
		return reply, errors.ParamsError
	}

	var (
		insert []model.GdStyleItem
		tx     = database.DB().Begin()
	)

	defer func() {
		if err != nil {
			tx.Rollback()
			return
		}

		tx.Commit()
	}()

	for _, v := range req.List {
		if v.Id == 0 {
			insert = append(insert, model.GdStyleItem{
				StyleId:       v.StyleId,
				C2Id:          v.C2Id,
				Useage:        v.Useage,
				Detail:        v.Detail,
				AttributeRule: v.AttributeRule,
				CreatedAt:     time.Now().Unix(),
				UpdatedAt:     time.Now().Unix(),
			})
			continue
		}

		values := map[string]interface{}{
			"c2_id":          v.C2Id,
			"useage":         v.Useage,
			"detail":         v.Detail,
			"attribute_rule": v.AttributeRule,
			"updated_at":     time.Now().Unix(),
		}

		if err := model.NewStyleItemModel().Update(tx.Where("id = ?", v.Id), values); err != nil {
			return reply, errors.SystemError
		}
	}

	if len(insert) != 0 {
		if err := model.NewStyleItemModel().Insert(tx, insert); err != nil {
			return reply, errors.SystemError
		}
	}

	return reply, nil
}

func DeleteStyleItem(ctx context.Context, req *v1.DeleteStyleItemRequest) (reply *v1.EmptyReply, err error) {
	reply = &v1.EmptyReply{}
	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.Id == 0 {
		return reply, errors.ParamsError
	}

	if err := model.NewStyleItemModel().Delete(database.DB().Where("id = ?", req.Id)); err != nil {
		return reply, errors.SystemError
	}

	return reply, nil
}