/**
 * rFeeds Automerge document schemas.
 *
 * Granularity: one Automerge document per space.
 * DocId format: {space}:rfeeds:data
 */

import type { DocSchema } from '../../shared/local-first/document';

// ── Feed source ──

export interface FeedSource {
	id: string;
	url: string;
	name: string;
	color: string;
	enabled: boolean;
	lastFetchedAt: number;
	lastError: string | null;
	itemCount: number;
	intervalMs: number; // default 300_000 (5 min)
	addedBy: string;    // DID of who added it
	addedAt: number;
}

// ── Imported feed item ──

export interface FeedItem {
	id: string;
	sourceId: string;
	guid: string;
	title: string;
	url: string;
	summary: string;    // 500 chars max, HTML stripped
	author: string;
	publishedAt: number;
	importedAt: number;
	reshared: boolean;  // included in outbound Atom feed
}

// ── Manual post ──

export interface ManualPost {
	id: string;
	content: string;
	authorDid: string;
	authorName: string;
	createdAt: number;
	updatedAt: number;
}

// ── Activity cache (Phase 2) ──

export interface ActivityCacheEntry {
	id: string;           // deterministic: `${moduleId}:${space}:${itemId}`
	moduleId: string;     // 'rcal' | 'rtasks' | 'rdocs' | etc
	itemType: string;     // 'event' | 'task' | 'note' | 'thread' | 'file' | etc
	title: string;
	summary: string;      // 280 char max
	url: string;          // e.g. https://demo.rspace.online/rcal
	author: string;
	publishedAt: number;
	reshared: boolean;
	syncedAt: number;
}

export interface ActivityModuleConfig {
	enabled: boolean;
	label: string;
	color: string;
}

// ── User feed profiles (Phase 2) ──

export interface UserFeedProfile {
	did: string;
	displayName: string;
	bio: string;
	publishModules: string[];   // which moduleIds appear in personal feed
	createdAt: number;
	updatedAt: number;
}

// ── Settings ──

export interface FeedsSettings {
	feedTitle: string;
	feedDescription: string;
	activityModules: Record<string, ActivityModuleConfig>;
}

// ── Document root ──

export interface FeedsDoc {
	meta: {
		module: string;
		collection: string;
		version: number;
		spaceSlug: string;
		createdAt: number;
	};
	sources: Record<string, FeedSource>;
	items: Record<string, FeedItem>;
	posts: Record<string, ManualPost>;
	activityCache: Record<string, ActivityCacheEntry>;
	userProfiles: Record<string, UserFeedProfile>;
	settings: FeedsSettings;
}

// ── Schema registration ──

export const feedsSchema: DocSchema<FeedsDoc> = {
	module: 'rfeeds',
	collection: 'data',
	version: 2,
	init: (): FeedsDoc => ({
		meta: {
			module: 'rfeeds',
			collection: 'data',
			version: 2,
			spaceSlug: '',
			createdAt: Date.now(),
		},
		sources: {},
		items: {},
		posts: {},
		activityCache: {},
		userProfiles: {},
		settings: {
			feedTitle: '',
			feedDescription: '',
			activityModules: {},
		},
	}),
	migrate: (doc: any): any => {
		if (!doc.activityCache) doc.activityCache = {};
		if (!doc.userProfiles) doc.userProfiles = {};
		if (!doc.settings.activityModules) doc.settings.activityModules = {};
		if (doc.meta) doc.meta.version = 2;
		return doc;
	},
};

// ── Helpers ──

export function feedsDocId(space: string) {
	return `${space}:rfeeds:data` as const;
}

/** Max items retained per source */
export const MAX_ITEMS_PER_SOURCE = 200;

/** Max activity cache entries */
export const MAX_ACTIVITY_CACHE = 500;

/** Default sync interval */
export const DEFAULT_SYNC_INTERVAL_MS = 5 * 60 * 1000;