package models

import (
	"time"

	"github.com/google/uuid"
)

// Post represents a blog post with category and tag relations.
type Post struct {
	ID         uuid.UUID   `gorm:"type:uuid;default:gen_random_uuid();primaryKey" json:"id"`
	Title      string      `gorm:"type:varchar(254);not null" json:"title"`
	Content    string      `gorm:"type:text" json:"content,omitempty"`
	Keywords   string      `gorm:"type:varchar(254);not null" json:"keywords"`
	Image      string      `gorm:"type:text" json:"image,omitempty"`
	Video      string      `gorm:"type:varchar(254);default:'none'" json:"video,omitempty"`
	Slug       string      `gorm:"type:varchar(250);uniqueIndex;not null" json:"slug"`
	CreatedAt  time.Time   `json:"created_at"`
	UpdatedAt  time.Time   `json:"updated_at"`
	IsActive   bool        `gorm:"default:true" json:"is_active"`
	IsFront    bool        `gorm:"default:true" json:"is_front"`
	ParentID   *uuid.UUID  `json:"parent_id,omitempty"`
	Parent     *Post       `gorm:"foreignKey:ParentID" json:"parent,omitempty"`
	Children   []Post      `gorm:"foreignKey:ParentID" json:"children,omitempty"`
	Categories []PostCategory `gorm:"many2many:post_post_categories;" json:"categories,omitempty"`
	Tags       []PostTag   `gorm:"many2many:post_post_tags;" json:"tags,omitempty"`
	Comments   []PostComment `gorm:"foreignKey:PostID" json:"comments,omitempty"`
}

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