package srv_translation

import (
	"context"
	"strings"
	"time"
	"videoweb/pub/common/srvdef"
	"videoweb/pub/models/translationmod"
	"videoweb/pub/mongos"

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

// GetTranslationInfos 按照参数搜索视频标签
func GetTranslationInfos(ctx context.Context, param *TranslationInfoReq) (*TranslationInfoResp, *srvdef.SrvErr) {
	filter := bson.M{}
	opt := &options.FindOptions{}
	resp := &TranslationInfoResp{}

	if param.Id > 0 {
		filter[translationmod.FN.TranslationInfo.Id] = param.Id
	}
	if name := strings.TrimSpace(param.Name); name != "" {
		filter[translationmod.FN.TranslationInfo.Name] = bson.M{"$regex": name}
	}
	if param.TransCategoryId > 0 {
		filter[translationmod.FN.TranslationInfo.TransCategoryId] = param.TransCategoryId
	}

	opt.SetSort(bson.M{translationmod.FN.TranslationInfo.Rank: -1})
	opt.SetSkip((param.PageNum - 1) * param.PageSize).SetLimit(param.PageSize)

	total, err1 := translationmod.CountTranslationInfos(ctx, filter)
	if err1 != nil {
		return resp, err1
	}
	resp.Total = total
	if total == 0 {
		return resp, nil
	}
	ads, err1 := translationmod.FindManyTranslationInfos(ctx, filter, opt)
	if err1 != nil {
		return resp, err1
	}
	resp.List = ads

	return resp, nil
}

// AddTranslationInfo 添加一视频标签
func AddTranslationInfo(ctx context.Context,
	ac *translationmod.TranslationInfo) *srvdef.SrvErr {

	ac.Id = mongos.Lid.Translation.Get()
	now := time.Now()
	ac.CreatedAt = now
	ac.UpdatedAt = now

	serr := translationmod.InsertOneTranslationInfo(ctx, ac)
	if serr != nil {
		return serr
	}
	return nil
}

// DelTranslationInfo 删除指定视频标签
func DelTranslationInfo(ctx context.Context, id int64) *srvdef.SrvErr {
	adFilter := bson.M{translationmod.FN.TranslationInfo.Id: id}
	//删除
	count, serr := translationmod.DelOneTranslationInfo(ctx, adFilter)
	if serr != nil {
		return serr
	}
	if count == 0 {
		return srvdef.New(srvdef.ErrNoData, "", "")
	}
	return nil
}

// UpdateTranslationInfo 更新指定视频标签
func UpdateTranslationInfo(ctx context.Context, id int64, param TranslationInfoUpdate) *srvdef.SrvErr {
	now := time.Now()
	param.UpdatedAt = now

	adFilter := bson.M{translationmod.FN.TranslationInfo.Id: id}
	updateDoc := bson.M{"$set": param}
	serr := translationmod.UpdateOneTranslationInfo(ctx, adFilter, updateDoc)
	if serr != nil {
		return serr
	}
	return nil
}