package model

import (
	"encoding/json"
	"time"
)

type Article struct {
	ID        int       `json:"id"`
	Title     string    `json:"title"`
	Summary   string    `json:"summary"`
	Content   string    `json:"content"`
	CoverURL  string    `json:"cover_url"`
	ImageURLs []string  `json:"image_urls"`
	ImageJSON string    `json:"-"` // stored as JSON in DB
	CreatedAt time.Time `json:"created_at"`
}

// ScanImageJSON unmarshals image_urls from the JSON column.
func (a *Article) ScanImageJSON() {
	if a.ImageJSON != "" {
		json.Unmarshal([]byte(a.ImageJSON), &a.ImageURLs)
	}
	if a.ImageURLs == nil {
		a.ImageURLs = []string{}
	}
}

// SetImageJSON marshals image_urls for DB storage.
func (a *Article) SetImageJSON() {
	data, _ := json.Marshal(a.ImageURLs)
	a.ImageJSON = string(data)
}