package query

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

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

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

type SeriesListRequest struct {
	BrandID string `json:"brand_id"`
}

type seriesItem struct {
	BrandID    string `json:"brand_id"`
	SeriesID   string `json:"series_id"`
	SeriesName string `json:"series_name"`
	SeriesImg  string `json:"series_img"`
}

type seriesList struct {
	Maker string `json:"maker"`
	SeriesList []seriesItem `json:"series_list"`
}

type SeriesListResponse struct {
	List []seriesList `json:"list"`
}

func SeriesList(ctx context.Context, params string) (reply *v1.QueryResponse, err error) {
	reply = &v1.QueryResponse{}

	// 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"))
			}
		}
	}()

	var req SeriesListRequest
	err = jsoniter.UnmarshalFromString(params, &req)
	if err != nil || req.BrandID == "" {
		return nil, errors.ParamsError
	}

	list, err := model.NewSySerieModel().SeriesList(database.DB().Where("brand_id = ? AND status = 1", req.BrandID))
	if err != nil && err != gorm.ErrRecordNotFound {
		return reply, errors.SystemError
	}

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

	seriesMap := make(map[string][]seriesItem)
	for k := range list {
		series := seriesItem{
			BrandID:    list[k].BrandId,
			SeriesID:   list[k].SeriesId,
			SeriesName: list[k].SeriesName,
			SeriesImg:  utils.GetSeriesLogoById(list[k].SeriesId, list[k].HasImg),
		}

		seriesMap[list[k].Maker] = append(seriesMap[list[k].Maker], series)
	}

	var keys []string
	for k := range seriesMap {
		keys = append(keys, k)
	}

	sort.Strings(keys)

	res := SeriesListResponse{}
	for _,v := range keys{
		si := seriesList{
			Maker: v,
			SeriesList: seriesMap[v],
		}
		res.List = append(res.List, si)
	}
	reply.Data, _ = jsoniter.MarshalToString(res)

	return reply, nil
}