package user

import (
	"github.com/golangkit/formatime"
	"gorm.io/gorm"
	"live/app/lib/db"
)

type UserTrendComment struct {
	db.BaseModel
	Id           uint             `gorm:"column:id" json:"id"`
	UserId       uint             `gorm:"column:user_id" json:"userId"`
	ParentId     uint             `gorm:"column:parent_id" json:"parentId"`
	CreatedAt    formatime.Second `gorm:"column:created_at" json:"createdAt"`
	UpdatedAt    formatime.Second `gorm:"column:updated_at" json:"updatedAt"`
	Content      string           `gorm:"column:content" json:"content"`
	TrendId      uint             `gorm:"column:trend_id" json:"trendId"`
	IsDel        int              `gorm:"column:is_del" json:"isDel"`
	CommentCount uint             `gorm:"comment_count" json:"commentCount"`
	Praise       uint             `gorm:"praise" json:"praise"`
}

// 插入
func (c *UserTrendComment) Create(userTrendComment *UserTrendComment) uint {
	c.GetDb().Create(userTrendComment)
	if userTrendComment.Id > 0 {
		return userTrendComment.Id
	}
	return 0
}

// @Title 获取动态评论列表
// @Param userId uint true "会员id"
func (u *UserTrendComment) GetListByTrendId(trendId, parentId uint, start, limit int) *[]UserTrendComment {
	if trendId <= 0 {
		return &[]UserTrendComment{}
	}
	userTrendComments := []UserTrendComment{}
	u.GetDb().Model(u).Where("trend_id = ? and parent_id = ? and is_del = ?", trendId, parentId, 0).Limit(limit).Offset(start).Order("praise desc, id desc").Find(&userTrendComments)
	return &userTrendComments
}

// 获取动态评论数量
func (u *UserTrendComment) GetCountByUserId(trendId, parentId uint) (result int64) {
	if trendId <= 0 {
		return
	}
	u.GetDb().Model(u).Where("trend_id = ? and parent_id = ? and is_del = ?", trendId, parentId, 0).Count(&result)
	return
}

// @Title 获取动态评论列表
// @Param userId uint true "会员id"
func (u *UserTrendComment) GetFirstByParentIds(parentIds []uint) *[]UserTrendComment {
	if len(parentIds) == 0 {
		return &[]UserTrendComment{}
	}
	userTrendComments := []UserTrendComment{}
	u.GetDb().Model(u).Select("id, user_id, parent_id, created_at, updated_at,content,praise").Where("parent_id in (?) and is_del = ?", parentIds, 0).Group("parent_id").Find(&userTrendComments)
	return &userTrendComments
}

// @Title 新增了评论
func (u *UserTrendComment) AddComment(id uint) int64 {
	if id == 0 {
		return 0
	}
	return u.GetDb().Model(u).Where(&UserTrendComment{Id: id}).
		Where("is_del = ?", 0).Update("comment_count", gorm.Expr("comment_count + ?", 1)).RowsAffected
}

// @Title 根据id获取评论信息
func (u *UserTrendComment) GetById(commitId uint) (result UserTrendComment) {
	if commitId <= 0 {
		return
	}
	u.GetDb().Model(u).First(&result, "id = ?", commitId)
	return
}

// @Title 会员新增赞
func (u *UserTrendComment) AddPraise(commentId uint) int64 {
	if commentId <= 0 {
		return 0
	}
	return u.GetDb().Model(u).Where(&UserTrendComment{Id: commentId}).Update("praise", gorm.Expr("praise + ?", 1)).RowsAffected
}

// @Title 会员取消赞
func (u *UserTrendComment) CancelPraise(commentId uint) int64 {
	if commentId == 0 {
		return 0
	}
	return u.GetDb().Model(u).Where(&UserTrendComment{Id: commentId}).Update("praise", gorm.Expr("praise - ?", 1)).RowsAffected
}