package model

import (
	"encoding/json"
)

// Article represents a help center article.
// Reference: Chatwoot Article model + P2B M9 spec
type Article struct {
	Base
	AccountID           uint            `gorm:"index;not null" json:"account_id"`
	PortalID            uint            `gorm:"index;not null" json:"portal_id"`
	CategoryID          *uint           `gorm:"index" json:"category_id,omitempty"`
	FolderID            *uint           `gorm:"index" json:"folder_id,omitempty"`
	AuthorID            *uint           `gorm:"index" json:"author_id,omitempty"`
	Title               string          `gorm:"size:255;not null" json:"title"`
	Slug                string          `gorm:"size:255;not null;uniqueIndex" json:"slug"`
	Description         string          `gorm:"type:text" json:"description"` // short description for list display + search weight B
	Content             string          `gorm:"type:text" json:"content"`
	Status              string          `gorm:"size:50;not null;default:'draft'" json:"status"` // draft/published/archived (ArticleStatus)
	Position            int             `gorm:"default:0" json:"position"`
	Views               int             `gorm:"default:0" json:"views"`
	Locale              string          `gorm:"size:10;default:'en';not null" json:"locale"`
	AssociatedArticleID *uint           `gorm:"index" json:"associated_article_id,omitempty"` // translations: root article
	Meta                json.RawMessage `gorm:"type:jsonb;serializer:json" json:"meta"`
	CustomAttributes    json.RawMessage `gorm:"type:jsonb;serializer:json" json:"custom_attributes"`

	Portal             Portal    `gorm:"foreignKey:PortalID" json:"portal,omitempty"`
	Category           *Category `gorm:"foreignKey:CategoryID" json:"category,omitempty"`
	Folder             *Folder   `gorm:"foreignKey:FolderID" json:"folder,omitempty"`
	Author             *User     `gorm:"foreignKey:AuthorID" json:"author,omitempty"`
	AssociatedArticle  *Article  `gorm:"foreignKey:AssociatedArticleID" json:"associated_article,omitempty"`
	AssociatedArticles []Article `gorm:"foreignKey:AssociatedArticleID" json:"associated_articles,omitempty"`
}

func (Article) TableName() string { return "articles" }