package srv_appcategory

import (
	"context"
	"stat/common/genId"
	"stat/common/stdLog"
	"stat/models/appcategory"
	"time"

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

// GetAppCategory 按照参数搜索
func GetAppCategory(ctx context.Context, param *AppCategorySearch) (*AppCategorySearchResp, *stdLog.SrvErr) {
	filter := bson.M{}
	opt := &options.FindOptions{}
	resp := &AppCategorySearchResp{
		List:  make(appcategory.AppCategoryList, 0),
		Total: 0,
	}
	opt.SetSort(bson.M{"rank": 1})
	opt.SetSkip((param.PageNum - 1) * param.PageSize)
	opt.SetLimit(param.PageSize)

	if param.ParentAppId != nil {
		filter["parentAppId"] = param.ParentAppId
	}

	total, serr := appcategory.CountAppCategories(ctx, filter)
	if serr != nil {
		return resp, serr
	}
	if total == 0 {
		return resp, nil
	}

	list, serr := appcategory.FindManyAppCategory(ctx, filter, opt)
	if serr != nil {
		return resp, serr
	}
	if list != nil && len(list) > 0 {
		resp.List = list
		resp.Total = total
	}

	return resp, nil
}

// AddAppCategory 添加一个
func AddAppCategory(ctx context.Context,
	ac *appcategory.AppCategory) *stdLog.SrvErr {

	now := time.Now()
	ac.Id = genId.GetAppCategoryId()
	ac.CreatedAt = now
	ac.UpdatedAt = now

	if ac.Name == "" {
		return stdLog.New(stdLog.ParamError, "", "name不能传空")
	}
	_, serr := appcategory.FindOneAppCategory(ctx, bson.M{"name": ac.Name})
	if serr == nil {
		return stdLog.New(stdLog.ParamError, "", "name重名")
	}

	serr = appcategory.InsertOneAppCategory(ctx, ac)
	if serr != nil {
		return serr
	}
	return nil
}

// DelAppCategory 删除指定
func DelAppCategory(ctx context.Context, id int64) *stdLog.SrvErr {
	adFilter := bson.M{"_id": id}
	//删除
	_, serr := appcategory.DelOneAppCategory(ctx, adFilter)
	if serr != nil {
		return serr
	}
	return nil
}

// UpdateAppCategory 更新指定
func UpdateAppCategory(ctx context.Context, id int64,
	info *AppCategoryUpdate) *stdLog.SrvErr {
	now := time.Now()
	info.UpdatedAt = &now

	adFilter := bson.M{"_id": id}
	updateDoc := bson.M{"$set": info}
	serr := appcategory.UpdateOneAppCategory(ctx, adFilter, updateDoc)
	if serr != nil {
		return serr
	}
	return nil
}