package query

import (
	"time"

	"github.com/AmanTahiliani/box-box/internal/store"
)

// NewsItem is the frontend-facing cached briefing shape.
type NewsItem struct {
	Source      string     `json:"source"`
	Title       string     `json:"title"`
	URL         string     `json:"url"`
	PublishedAt *time.Time `json:"published_at,omitempty"`
	Summary     string     `json:"summary,omitempty"`
	Category    string     `json:"category,omitempty"`
	FetchedAt   time.Time  `json:"fetched_at"`
}

// ListNews returns cached briefing items.
func (s *Service) ListNews(limit int, source string) ([]NewsItem, error) {
	rows, err := s.store.ListNewsItems(limit, source)
	if err != nil {
		return nil, err
	}
	out := make([]NewsItem, 0, len(rows))
	for _, row := range rows {
		out = append(out, NewsItem{
			Source:      row.Source,
			Title:       row.Title,
			URL:         row.URL,
			PublishedAt: row.PublishedAt,
			Summary:     row.Summary,
			Category:    row.Category,
			FetchedAt:   row.FetchedAt,
		})
	}
	return out, nil
}

func NewsItemToStore(item NewsItem) store.NewsItem {
	return store.NewsItem{
		URL:         item.URL,
		Source:      item.Source,
		Title:       item.Title,
		PublishedAt: item.PublishedAt,
		Summary:     item.Summary,
		Category:    item.Category,
		FetchedAt:   item.FetchedAt,
	}
}