package brand

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 Search(ctx context.Context, req *v1.SearchRequest) (reply *v1.SearchReply, err error) {
	reply = &v1.SearchReply{}

	// 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"))
			}
		}
	}()

	db := database.DB()
	if req.MakerId != "" {
		db = db.Where("maker_id = ?", req.MakerId)
	}
	if req.SeriesId != "" {
		db = db.Where("series_id = ?", req.SeriesId)
	}

	pagination := model.NewPagination(0, 100000, 0).GetLimitOffset()
	switch req.Type {
	case 1:
		// 品牌搜索
		// 构造分页类
		if req.Search != "" {
			db = db.Where("brand_name like ?", "%"+req.Search+"%")
		}
		list, err := model.NewSyBrand().List(db, pagination)
		if err != nil && err != gorm.ErrRecordNotFound {
			return reply, errors.SystemError
		}

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

		reply.List = make([]*v1.SearchList, 0, len(list))
		for _, v := range list {
			reply.List = append(reply.List, &v1.SearchList{
				Id:   v.BrandId,
				Name: v.BrandName,
			})
		}
	case 2:
		// 厂商搜索
		if req.Search != "" {
			db = db.Where("maker like ?", "%"+req.Search+"%")
		}
		if req.BrandId != "" {
			db = db.Where("brand_id = ?", req.BrandId)
		}
		list, err := model.NewSySerieModel().MakerList(db)
		if err != nil && err != gorm.ErrRecordNotFound {
			return reply, errors.SystemError
		}

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

		reply.List = make([]*v1.SearchList, 0, len(list))
		for _, v := range list {
			reply.List = append(reply.List, &v1.SearchList{
				Id:   v.MakerId,
				Name: v.Maker,
			})
		}
	case 3:
		// 车系搜索
		if req.BrandId != "" {
			db = db.Where("t1.brand_id = ?", req.BrandId)
		}
		if req.Search != "" {
			db = db.Where("series_name like ?", "%"+req.Search+"%")
		}
		list, err := model.NewSySerieModel().List(db, pagination, false)
		if err != nil && err != gorm.ErrRecordNotFound {
			return reply, errors.SystemError
		}

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

		reply.List = make([]*v1.SearchList, 0, len(list))
		for _, v := range list {
			reply.List = append(reply.List, &v1.SearchList{
				Id:   v.SeriesId,
				Name: v.SeriesName,
			})
		}
	case 4:
		// 车型搜索
		if req.Search != "" {
			db = db.Where("style_name like ?", "%"+req.Search+"%")
		}

		list, err := model.NewSyStyleModel().List(db, pagination, false)
		if err != nil && err != gorm.ErrRecordNotFound {
			return reply, errors.SystemError
		}

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

		reply.List = make([]*v1.SearchList, 0, len(list))
		for _, v := range list {
			reply.List = append(reply.List, &v1.SearchList{
				Id:   v.StyleId,
				Name: v.StyleName,
			})
		}
	}

	return reply, nil
}