package srv_videocreater

import (
	"context"
	"time"
	"videoweb/pub/common/log"
	"videoweb/pub/common/srvdef"
	"videoweb/pub/models/videocreatermod"
	"videoweb/pub/mongos"
	"videoweb/web/service/srv_videoslug"

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

// GetVideoCreaters 按照参数搜索视频标签
func GetVideoCreaters(ctx context.Context, param *VideoCreaterReq) (*VideoCreaterResp, *srvdef.SrvErr) {
	filter := bson.M{}
	opt := &options.FindOptions{}
	resp := &VideoCreaterResp{}
	if param.ID > 0 {
		filter[videocreatermod.FN.VideoCreaterInfo.Id] = param.ID
	}
	if param.Name != "" {
		filter[videocreatermod.FN.VideoCreaterInfo.Name] = bson.M{
			"$regex": param.Name,
		}
	}

	opt.SetSort(bson.M{videocreatermod.FN.VideoCreaterInfo.Id: 1})
	opt.SetSkip((param.PageNum - 1) * param.PageSize).SetLimit(param.PageSize)

	total, serr := videocreatermod.CountVideoCreaterInfos(ctx, filter)
	if serr != nil {
		return resp, serr
	}
	resp.Total = total
	if total == 0 {
		return resp, nil
	}
	ads, serr := videocreatermod.FindManyVideoCreaterInfos(ctx, filter, opt)
	if serr != nil {
		return resp, serr
	}
	resp.List = ads

	return resp, nil
}

// AddVideoCreater 添加一视频标签
func AddVideoCreater(ctx context.Context,
	ac *videocreatermod.VideoCreaterInfo) *srvdef.SrvErr {

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

	if ac.Name == "" {
		return srvdef.New(srvdef.ErrParamError, "", "")
	}
	if serr := srv_videoslug.EnsureCreater(ctx, ac, 0); serr != nil {
		return serr
	}

	log.Info("InsertOneVideoCreaterInfo", log.Any("", *ac))
	serr := videocreatermod.InsertOneVideoCreaterInfo(ctx, ac)
	if serr != nil {
		return serr
	}
	return nil
}

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

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

	info, serr := videocreatermod.FindOneVideoCreaterInfo(ctx, bson.M{videocreatermod.FN.VideoCreaterInfo.Id: id})
	if serr != nil {
		return serr
	}
	name := info.Name
	if param.Name != nil {
		name = *param.Name
	}
	keywords := info.SeoInfo.Keyworld
	if param.SeoInfo != nil {
		keywords = param.SeoInfo.Keyworld
	}
	slug, changed, slugErr := srv_videoslug.PrepareCreaterOnUpdate(ctx, info, param.Slug, name, keywords)
	if slugErr != nil {
		return slugErr
	}
	if changed {
		param.Slug = &slug
	} else {
		param.Slug = nil
	}

	adFilter := bson.M{videocreatermod.FN.VideoCreaterInfo.Id: id}
	param.IndexNow = nil
	if param.IsReIndexNow != nil && *param.IsReIndexNow {
		indexNow := int64(0)
		param.IndexNow = &indexNow
	}

	updateDoc := bson.M{"$set": param}
	serr = videocreatermod.UpdateOneVideoCreaterInfo(ctx, adFilter, updateDoc)
	if serr != nil {
		return serr
	}
	return nil
}