package videoser

import (
	"context"
	"strings"
	"videoweb/pub/common/srvdef"
	"videoweb/pub/models/videoinformationmod"
	"videoweb/pub/models/videotopicmod"

	"go.mongodb.org/mongo-driver/bson"
	"go.mongodb.org/mongo-driver/mongo/options"
)

func resolveVideoID(ctx context.Context, id int64, slug string, required bool) (int64, *srvdef.SrvErr) {
	slug = strings.TrimSpace(slug)
	if slug != "" {
		item, err := videoinformationmod.FindOneVideoInformationWithOptions(ctx, bson.M{
			videoinformationmod.FN.VideoInformation.Slug: slug,
		}, options.FindOne().SetProjection(bson.D{
			{Key: videoinformationmod.FN.VideoInformation.Id, Value: 1},
		}))
		if err != nil {
			return 0, err
		}
		return item.Id, nil
	}
	if required && id <= 0 {
		return 0, srvdef.New(srvdef.ErrParamError, "视频ID不能为空", "视频ID不能为空")
	}
	return id, nil
}

func resolveVideoTopicID(ctx context.Context, id int64, slug string) (int64, *srvdef.SrvErr) {
	slug = strings.TrimSpace(slug)
	if slug == "" {
		return id, nil
	}
	item, err := videotopicmod.FindOneVideoTopicModel(ctx, bson.M{
		videotopicmod.FN.VideoTopicModel.Slug: slug,
	})
	if err != nil {
		return 0, err
	}
	return item.Id, nil
}