package models

import (
	"time"

	"github.com/google/uuid"
)

// PostComment represents a comment on a post.
type PostComment struct {
	ID        uuid.UUID     `gorm:"type:uuid;default:gen_random_uuid();primaryKey" json:"id"`
	UserID    uuid.UUID     `gorm:"not null" json:"user_id"`
	User      User          `gorm:"foreignKey:UserID" json:"user"`
	PostID    uuid.UUID     `gorm:"not null" json:"post_id"`
	Post      Post          `gorm:"foreignKey:PostID" json:"post"`
	Title     string        `gorm:"type:varchar(254);not null" json:"title"`
	Body      string        `gorm:"type:text;not null" json:"body"`
	CreatedAt time.Time     `json:"created_at"`
	UpdatedAt time.Time     `json:"updated_at"`
	IsActive  bool          `gorm:"default:true" json:"is_active"`
	Slug      string        `gorm:"type:varchar(250);uniqueIndex:idx_post_comment_slug_parent;not null" json:"slug"`
	ParentID  *uuid.UUID    `gorm:"uniqueIndex:idx_post_comment_slug_parent" json:"parent_id,omitempty"`
	Parent    *PostComment  `gorm:"foreignKey:ParentID" json:"parent,omitempty"`
	Children  []PostComment `gorm:"foreignKey:ParentID" json:"children,omitempty"`
}

// TableName overrides the table name used by PostComment.
func (PostComment) TableName() string {
	return "post_comments"
}