package content

import (
	"context"
	"time"

	"github.com/google/uuid"
)

// AuthorProfile is a simplified author representation for plugins.
type AuthorProfile struct {
	ID          uuid.UUID
	Name        string
	Slug        string
	Bio         string
	AvatarURL   string
	Website     string
	SocialLinks map[string]string
}

// PageInfo is a simplified page representation for plugins.
type PageInfo struct {
	ID    uuid.UUID
	Slug  string
	Title string
}

// PostInfo is a simplified post representation for plugins. It carries enough
// for both a blog index (title/slug/excerpt/author/date/featured image) and a
// post detail view (Body — the rendered HTML). Body is populated by GetPost and
// by ListPosts when ListPostsParams.IncludeBody is set; it is empty otherwise.
type PostInfo struct {
	ID               uuid.UUID
	Slug             string
	Title            string
	Excerpt          string
	Body             string // rendered HTML; populated by GetPost / ListPosts(IncludeBody)
	FeaturedImageURL string
	AuthorID         uuid.UUID
	AuthorName       string
	AuthorSlug       string
	PublishedAt      time.Time
}

// ListPostsParams filters and shapes a ListPosts query. The zero value lists
// published posts from the start with no category filter, excerpts included and
// bodies omitted (the cheap blog-index shape).
type ListPostsParams struct {
	Limit          int    // 0 = host default
	Offset         int    // pagination offset
	Category       string // optional category slug filter ("" = all)
	PublishedOnly  bool   // reserved: plugins only ever see published posts
	IncludeBody    bool   // render each post's body to HTML (expensive)
	IncludeExcerpt bool   // include the post excerpt
}

// Content provides content access for plugins.
// The CMS implements this interface and wires it into CoreServices.
type Content interface {
	GetAuthorProfile(ctx context.Context, id uuid.UUID) (*AuthorProfile, error)
	GetPage(ctx context.Context, slug string) (*PageInfo, error)
	GetPost(ctx context.Context, slug string) (*PostInfo, error)
	ListPosts(ctx context.Context, params ListPostsParams) ([]PostInfo, error)
	Slugify(text string) string
	BlockNoteToHTML(ctx context.Context, doc map[string]any) string
	GenerateExcerpt(html string, maxLen int) string
	StripHTML(s string) string
}