import { Injectable } from '@nestjs/common';
import { getBlogImagePublicUrl } from '../../../config/uploadPaths';
import { BlogPost } from '../../blog/entities/BlogPost';
import type { StorefrontBlogPostCardView } from '../types/StorefrontBlogPostCardView';
import type { StorefrontBlogPostDetailView } from '../types/StorefrontBlogPostDetailView';

@Injectable()
export class StorefrontBlogViewService {
    toPostsIndexView(posts: BlogPost[]): StorefrontBlogPostCardView[] {
        return posts.map(post => ({
            id: post.id,
            title: post.title,
            thumbnailUrl: post.thumbnailStorageKey ? getBlogImagePublicUrl(post.thumbnailStorageKey) : null,
            detailHref: `/shop/blog/${post.id}`
        }));
    }

    toPostDetailView(post: BlogPost): StorefrontBlogPostDetailView {
        return {
            id: post.id,
            title: post.title,
            bannerUrl: post.bannerStorageKey ? getBlogImagePublicUrl(post.bannerStorageKey) : null,
            thumbnailUrl: post.thumbnailStorageKey ? getBlogImagePublicUrl(post.thumbnailStorageKey) : null,
            contentHtml: post.contentHtml
        };
    }
}