import { BaseResource } from "../base/BaseResource.js";
import type { ResourceContent, ResourceMetadata } from "../types.js";
import type { WAHAClient } from "../../client/index.js";
import { formatChatsOverview } from "../../tools/formatters.js";
/**
* Resource: waha://chats/overview
* Provides current chat list as a readable resource for context
*/
export class ChatsOverviewResource extends BaseResource {
private wahaClient: WAHAClient;
constructor(wahaClient: WAHAClient) {
super();
this.wahaClient = wahaClient;
}
getMetadata(): ResourceMetadata {
return {
uri: "waha://chats/overview",
name: "WhatsApp Chats Overview",
description:
"Overview of recent WhatsApp chats with last message previews. " +
"Supports parameters: limit (default: 10, max: 100), offset (for pagination), " +
"ids (comma-separated chat IDs to filter)",
mimeType: "text/plain",
};
}
canHandle(uri: string): boolean {
// Handle exact match or with query parameters
return (
uri === "waha://chats/overview" ||
uri.startsWith("waha://chats/overview?")
);
}
async read(uri: string): Promise<ResourceContent> {
const params = this.parseUriParams(uri);
// Parse parameters
const limit = this.getNumberParam(params, "limit", 10, 100);
const offset = this.getNumberParam(params, "offset", 0);
// Parse chat IDs if provided (comma-separated)
let chatIds: string[] | undefined;
if (params.ids) {
chatIds = params.ids.split(",").map(id => id.trim());
}
// Fetch chats from WAHA API
const chats = await this.wahaClient.getChatsOverview({
limit,
offset,
ids: chatIds,
});
// Format for LLM consumption
const formattedText = formatChatsOverview(chats);
// Add metadata footer
const footer = `\n\n--- Resource Info ---\nURI: ${uri}\nFetched: ${new Date().toISOString()}\nTotal Chats: ${chats.length}`;
return {
uri,
mimeType: "text/plain",
text: formattedText + footer,
};
}
}
