import { describe, expect, it } from "vitest";
import { resolveLastChannelRaw, resolveLastToRaw } from "./session-delivery.js";

describe("session delivery direct-session routing overrides", () => {
  it.each([
    "agent:main:direct:user-1",
    "agent:main:telegram:direct:123456",
    "agent:main:telegram:account-a:direct:123456",
    "agent:main:telegram:dm:123456",
    "agent:main:telegram:direct:123456:thread:99",
    "agent:main:telegram:account-a:direct:123456:topic:ops",
  ])(
    "preserves persisted external route when webchat accesses channel-peer session %s (fixes #47745)",
    (sessionKey) => {
      // Webchat/dashboard viewing an external-channel session must not overwrite
      // the delivery route — subagents must still deliver to the original channel.
      expect(
        resolveLastChannelRaw({
          originatingChannelRaw: "webchat",
          persistedLastChannel: "telegram",
          sessionKey,
        }),
      ).toBe("telegram");
      expect(
        resolveLastToRaw({
          originatingChannelRaw: "webchat",
          originatingToRaw: "session:dashboard",
          persistedLastChannel: "telegram",
          persistedLastTo: "123456",
          sessionKey,
        }),
      ).toBe("123456");
    },
  );

  it.each([
    "agent:main:main:direct",
    "agent:main:cron:job-1:dm",
    "agent:main:subagent:worker:direct:user-1",
    "agent:main:telegram:channel:direct",
    "agent:main:telegram:account-a:direct",
    "agent:main:telegram:direct:123456:cron:job-1",
  ])("keeps persisted external routes for malformed direct-like key %s", (sessionKey) => {
    expect(
      resolveLastChannelRaw({
        originatingChannelRaw: "webchat",
        persistedLastChannel: "telegram",
        sessionKey,
      }),
    ).toBe("telegram");
    expect(
      resolveLastToRaw({
        originatingChannelRaw: "webchat",
        originatingToRaw: "session:dashboard",
        persistedLastChannel: "telegram",
        persistedLastTo: "group:12345",
        sessionKey,
      }),
    ).toBe("group:12345");
  });
});