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 ItemList(ctx context.Context, req *v1.ItemListRequest) (reply *v1.ItemListReply, err error) {
	reply = &v1.ItemListReply{}
	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.ItemType < 1 || req.ItemType > 3 {
		return reply, errors.ParamsError
	}

	list, err := model.NewMaintainDetailModel().MaintainDetailList(database.DB().Where("t1.style_id = ?", req.StyleId))
	if err != nil && err != gorm.ErrRecordNotFound {
		return nil, errors.SystemError
	}

	itemList, err := model.NewMaintainItemModel().
		List(database.DB().Where("item_type = ?", req.ItemType), "id, item_id, item_name")
	if err != nil {
		return nil, errors.SystemError
	}

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

		for _, v := range list {
			if itemId == v.ItemId {
				return true
			}
		}

		return false
	}

	reply.List = make([]*v1.ItemListReply_Item, 0, len(itemList))
	for _, v := range itemList {
		if !exist(v.ItemId, list) {
			reply.List = append(reply.List, &v1.ItemListReply_Item{
				ItemId:   v.ItemId,
				ItemName: v.ItemName,
			})
		}
	}

	return reply, nil
}

func TemplateItemList(ctx context.Context, req *v1.TemplateItemListRequest) (reply *v1.ItemListReply, err error) {
	reply = &v1.ItemListReply{}
	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.ItemType < 1 || req.ItemType > 3 {
		return reply, errors.ParamsError
	}

	list, err := model.NewMaintainDetailTemplateModel().ListByItem(database.DB().Where("t1.tid = ?", req.Tid))
	if err != nil && err != gorm.ErrRecordNotFound {
		return nil, errors.SystemError
	}

	itemList, err := model.NewMaintainItemModel().
		List(database.DB().Where("item_type = ?", req.ItemType), "id, item_id, item_name")
	if err != nil {
		return nil, errors.SystemError
	}

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

		for _, v := range list {
			if itemId == v.ItemId {
				return true
			}
		}

		return false
	}

	reply.List = make([]*v1.ItemListReply_Item, 0, len(itemList))
	for _, v := range itemList {
		if !exist(v.ItemId, list) {
			reply.List = append(reply.List, &v1.ItemListReply_Item{
				ItemId:   v.ItemId,
				ItemName: v.ItemName,
			})
		}
	}

	return reply, nil
}