import "./test-helpers.js";
import fs from "node:fs/promises";
import os from "node:os";
import path from "node:path";
import { afterEach, beforeEach, describe, expect, it, vi } from "vitest";

vi.mock("../agents/pi-embedded.js", () => ({
  abortEmbeddedPiRun: vi.fn().mockReturnValue(false),
  isEmbeddedPiRunActive: vi.fn().mockReturnValue(false),
  isEmbeddedPiRunStreaming: vi.fn().mockReturnValue(false),
  runEmbeddedPiAgent: vi.fn(),
  queueEmbeddedPiMessage: vi.fn().mockReturnValue(false),
  resolveEmbeddedSessionLane: (key: string) => `session:${key.trim() || "main"}`,
}));

import { resetInboundDedupe } from "../auto-reply/reply/inbound-dedupe.js";
import { resetLogger, setLoggerOverride } from "../logging.js";
import { monitorWebChannel } from "./auto-reply.js";
import { resetBaileysMocks, resetLoadConfigMock, setLoadConfigMock } from "./test-helpers.js";

let previousHome: string | undefined;
let tempHome: string | undefined;

const rmDirWithRetries = async (dir: string): Promise<void> => {
  // Some tests can leave async session-store writes in-flight; recursive deletion can race and throw ENOTEMPTY.
  for (let attempt = 0; attempt < 10; attempt += 1) {
    try {
      await fs.rm(dir, { recursive: true, force: true });
      return;
    } catch (err) {
      const code =
        err && typeof err === "object" && "code" in err
          ? String((err as { code?: unknown }).code)
          : null;
      if (code === "ENOTEMPTY" || code === "EBUSY" || code === "EPERM") {
        await new Promise((resolve) => setTimeout(resolve, 25));
        continue;
      }
      throw err;
    }
  }

  await fs.rm(dir, { recursive: true, force: true });
};

beforeEach(async () => {
  resetInboundDedupe();
  previousHome = process.env.HOME;
  tempHome = await fs.mkdtemp(path.join(os.tmpdir(), "clawdbot-web-home-"));
  process.env.HOME = tempHome;
});

afterEach(async () => {
  process.env.HOME = previousHome;
  if (tempHome) {
    await rmDirWithRetries(tempHome);
    tempHome = undefined;
  }
});

const _makeSessionStore = async (
  entries: Record<string, unknown> = {},
): Promise<{ storePath: string; cleanup: () => Promise<void> }> => {
  const dir = await fs.mkdtemp(path.join(os.tmpdir(), "clawdbot-session-"));
  const storePath = path.join(dir, "sessions.json");
  await fs.writeFile(storePath, JSON.stringify(entries));
  const cleanup = async () => {
    // Session store writes can be in-flight when the test finishes (e.g. updateLastRoute
    // after a message flush). `fs.rm({ recursive })` can race and throw ENOTEMPTY.
    for (let attempt = 0; attempt < 10; attempt += 1) {
      try {
        await fs.rm(dir, { recursive: true, force: true });
        return;
      } catch (err) {
        const code =
          err && typeof err === "object" && "code" in err
            ? String((err as { code?: unknown }).code)
            : null;
        if (code === "ENOTEMPTY" || code === "EBUSY" || code === "EPERM") {
          await new Promise((resolve) => setTimeout(resolve, 25));
          continue;
        }
        throw err;
      }
    }

    await fs.rm(dir, { recursive: true, force: true });
  };
  return {
    storePath,
    cleanup,
  };
};

describe("web auto-reply", () => {
  beforeEach(() => {
    vi.clearAllMocks();
    resetBaileysMocks();
    resetLoadConfigMock();
  });

  afterEach(() => {
    resetLogger();
    setLoggerOverride(null);
    vi.useRealTimers();
  });

  it("sends tool summaries immediately with responsePrefix", async () => {
    setLoadConfigMock(() => ({
      channels: { whatsapp: { allowFrom: ["*"] } },
      messages: {
        messagePrefix: undefined,
        responsePrefix: "🦞",
      },
    }));

    let capturedOnMessage:
      | ((msg: import("./inbound.js").WebInboundMessage) => Promise<void>)
      | undefined;
    const reply = vi.fn();
    const listenerFactory = async (opts: {
      onMessage: (msg: import("./inbound.js").WebInboundMessage) => Promise<void>;
    }) => {
      capturedOnMessage = opts.onMessage;
      return { close: vi.fn() };
    };

    const resolver = vi
      .fn()
      .mockImplementation(
        async (_ctx, opts?: { onToolResult?: (r: { text: string }) => Promise<void> }) => {
          await opts?.onToolResult?.({ text: "🧩 tool1" });
          await opts?.onToolResult?.({ text: "🧩 tool2" });
          return { text: "final" };
        },
      );

    await monitorWebChannel(false, listenerFactory, false, resolver);
    expect(capturedOnMessage).toBeDefined();

    await capturedOnMessage?.({
      body: "hi",
      from: "+1555",
      to: "+2666",
      id: "msg1",
      sendComposing: vi.fn(),
      reply,
      sendMedia: vi.fn(),
    });

    const replies = reply.mock.calls.map((call) => call[0]);
    expect(replies).toEqual(["🦞 🧩 tool1", "🦞 🧩 tool2", "🦞 final"]);
    resetLoadConfigMock();
  });
  it("uses identity.name for messagePrefix when set", async () => {
    setLoadConfigMock(() => ({
      agents: {
        list: [
          {
            id: "main",
            default: true,
            identity: { name: "Mainbot", emoji: "🦞", theme: "space lobster" },
          },
          {
            id: "rich",
            identity: { name: "Richbot", emoji: "🦁", theme: "lion bot" },
          },
        ],
      },
      bindings: [
        {
          agentId: "rich",
          match: {
            channel: "whatsapp",
            peer: { kind: "dm", id: "+1555" },
          },
        },
      ],
    }));

    let capturedOnMessage:
      | ((msg: import("./inbound.js").WebInboundMessage) => Promise<void>)
      | undefined;
    const reply = vi.fn();
    const listenerFactory = async (opts: {
      onMessage: (msg: import("./inbound.js").WebInboundMessage) => Promise<void>;
    }) => {
      capturedOnMessage = opts.onMessage;
      return { close: vi.fn() };
    };

    const resolver = vi.fn().mockResolvedValue({ text: "hello" });

    await monitorWebChannel(false, listenerFactory, false, resolver);
    expect(capturedOnMessage).toBeDefined();

    await capturedOnMessage?.({
      body: "hi",
      from: "+1555",
      to: "+2666",
      id: "msg1",
      sendComposing: vi.fn(),
      reply,
      sendMedia: vi.fn(),
    });

    // Check that resolver received the message with identity-based prefix
    expect(resolver).toHaveBeenCalled();
    const resolverArg = resolver.mock.calls[0][0];
    expect(resolverArg.Body).toContain("[Richbot]");
    expect(resolverArg.Body).not.toContain("[clawdbot]");
    resetLoadConfigMock();
  });
  it("does not derive responsePrefix from identity.name when unset", async () => {
    setLoadConfigMock(() => ({
      agents: {
        list: [
          {
            id: "main",
            default: true,
            identity: { name: "Mainbot", emoji: "🦞", theme: "space lobster" },
          },
          {
            id: "rich",
            identity: { name: "Richbot", emoji: "🦁", theme: "lion bot" },
          },
        ],
      },
      bindings: [
        {
          agentId: "rich",
          match: {
            channel: "whatsapp",
            peer: { kind: "dm", id: "+1555" },
          },
        },
      ],
    }));

    let capturedOnMessage:
      | ((msg: import("./inbound.js").WebInboundMessage) => Promise<void>)
      | undefined;
    const reply = vi.fn();
    const listenerFactory = async (opts: {
      onMessage: (msg: import("./inbound.js").WebInboundMessage) => Promise<void>;
    }) => {
      capturedOnMessage = opts.onMessage;
      return { close: vi.fn() };
    };

    const resolver = vi.fn().mockResolvedValue({ text: "hello there" });

    await monitorWebChannel(false, listenerFactory, false, resolver);
    expect(capturedOnMessage).toBeDefined();

    await capturedOnMessage?.({
      body: "hi",
      from: "+1555",
      to: "+2666",
      id: "msg1",
      sendComposing: vi.fn(),
      reply,
      sendMedia: vi.fn(),
    });

    // No implicit responsePrefix.
    expect(reply).toHaveBeenCalledWith("hello there");
    resetLoadConfigMock();
  });
});
