package topic

import (
	"errors"
	"live/app/lib"
	"live/app/lib/aliyun"
	"live/app/lib/config"
	"live/app/model/topic"
)

type Topic struct {
}

// @Title 根据关键字获取话题列表
func (t *Topic) List(keyword string, page lib.Page) (result *[]topic.Topic, count int64) {
	result = &[]topic.Topic{}

	topicModel := &topic.Topic{}
	start := (page.GetPage() - 1) * page.GetLimit()
	count = topicModel.GetlistCount(keyword)
	if count <= int64(start) {
		// 没有数据，不需要查库
		return
	}
	*result = topicModel.Getlist(keyword, start, page.GetLimit())
	return
}

// @Title 添加话题
func (t *Topic) Add(title string) (uint, error) {
	topicModel := &topic.Topic{}
	topicInfo := topicModel.GetByTitle(title)
	if topicInfo.Id > 0 {
		return topicInfo.Id, nil
	}
	text, err := aliyun.Text.CheckText(title)
	if err != nil {
		return 0, err
	}
	if len(text.Politics) > 0 || len(text.Contraband) > 0 || len(text.Salacity) > 0 || len(text.Abuse) > 0 {
		return 0, errors.New("包含敏感词汇")
	}
	data := topic.Topic{
		Title: title,
	}
	topicModel.Create(&data)
	if data.Id <= 0 {
		return 0, errors.New("网络异常")
	}
	return data.Id, nil
}

// @Title 获取热门话题
func (t *Topic) Hot() []topic.Topic {
	topicModel := &topic.Topic{}
	return topicModel.GetHotlist(config.Config.Section("topic").Key("hotCount").MustInt(10))
}

// @Title 根据ids获取列表
func (t *Topic) GetListByIds(topicIds []uint) (result *[]topic.Topic) {
	result = &[]topic.Topic{}
	if len(topicIds) == 0 {
		return
	}

	topicModel := &topic.Topic{}
	*result = topicModel.GetlistByIds(topicIds)
	return
}

type replyTopicInfo struct {
	topic.Topic
	IsFollow int `json:"isFollow"`
}

// @Title 根据id获取单条信息
func (t *Topic) GetInfo(userId, topicId uint) (result *replyTopicInfo) {
	result = &replyTopicInfo{}
	if topicId <= 0 {
		return
	}
	topicModel := &topic.Topic{}
	result.Topic = topicModel.GetById(topicId)
	if result.Id > 0 {
		// 获取关注相关
		topicFollow := &topic.TopicFollow{}
		followInfo := topicFollow.GetByUserIdAndTopicId(userId, topicId)
		if followInfo.Id > 0 && followInfo.IsDel == 0 {
			result.IsFollow = 1
		}
	}
	return
}