import { describe, it, expect } from "vitest";
import { normalizeIncoming, TELEGRAM_CAPABILITIES } from "../src/channels/telegram/formatters/messages.js";
import type { IncomingMessage } from "../src/core/messages.js";

describe("normalizeIncoming", () => {
  it("maps a Telegram text message to the normalized contract", () => {
    const ctx = {
      from: { id: 42, first_name: "Ali", language_code: "en" },
      chat: { id: 7 },
      message: { text: "hello there" },
    } as never;

    const result = normalizeIncoming(ctx as never) as IncomingMessage;
    expect(result.channel).toBe("telegram");
    expect(result.externalUserId).toBe("42");
    expect(result.externalConversationId).toBe("7");
    expect(result.text).toBe("hello there");
  });

  it("captures photo attachments", () => {
    const ctx = {
      from: { id: 1 },
      chat: { id: 1 },
      message: { photo: [{ file_id: "last" }, { file_id: "big" }] },
    } as never;
    const result = normalizeIncoming(ctx as never) as IncomingMessage;
    expect(result.attachments).toHaveLength(1);
    expect(result.attachments?.[0].fileId).toBe("big");
  });
});

describe("TELEGRAM_CAPABILITIES", () => {
  it("declares Telegram-specific capabilities", () => {
    expect(TELEGRAM_CAPABILITIES.supportsButtons).toBe(true);
    expect(TELEGRAM_CAPABILITIES.supportsAttachments).toBe(true);
    expect(TELEGRAM_CAPABILITIES.supportsRichText).toBe(true);
    expect(TELEGRAM_CAPABILITIES.supportsCommands).toBe(true);
  });
});