import { DEFAULT_ACCOUNT_ID } from "openclaw/plugin-sdk/setup";
import { afterEach, describe, expect, it, vi } from "vitest";
import { createTestPluginApi } from "../../../test/helpers/extensions/plugin-api.js";
import plugin from "../index.js";
import type { OpenClawConfig, OpenClawPluginApi } from "../runtime-api.js";
import { mattermostSetupWizard } from "./setup-surface.js";

const resolveMattermostAccount = vi.hoisted(() => vi.fn());
const normalizeMattermostBaseUrl = vi.hoisted(() => vi.fn((value: string | undefined) => value));
const hasConfiguredSecretInput = vi.hoisted(() => vi.fn((value: unknown) => Boolean(value)));

vi.mock("./mattermost/accounts.js", async (importOriginal) => {
  const actual = await importOriginal<typeof import("./mattermost/accounts.js")>();
  return {
    ...actual,
    resolveMattermostAccount: (...args: Parameters<typeof actual.resolveMattermostAccount>) => {
      const mocked = resolveMattermostAccount(...args);
      return mocked === undefined ? actual.resolveMattermostAccount(...args) : mocked;
    },
  };
});

vi.mock("./mattermost/client.js", () => ({
  normalizeMattermostBaseUrl,
}));

vi.mock("./secret-input.js", async (importOriginal) => {
  const actual = await importOriginal<typeof import("./secret-input.js")>();
  return {
    ...actual,
    hasConfiguredSecretInput,
  };
});

function createApi(
  registrationMode: OpenClawPluginApi["registrationMode"],
  registerHttpRoute = vi.fn(),
): OpenClawPluginApi {
  return createTestPluginApi({
    id: "mattermost",
    name: "Mattermost",
    source: "test",
    config: {},
    runtime: {} as OpenClawPluginApi["runtime"],
    registrationMode,
    registerHttpRoute,
  });
}

describe("mattermost setup", () => {
  afterEach(() => {
    resolveMattermostAccount.mockReset();
    normalizeMattermostBaseUrl.mockReset();
    normalizeMattermostBaseUrl.mockImplementation((value: string | undefined) => value);
    hasConfiguredSecretInput.mockReset();
    hasConfiguredSecretInput.mockImplementation((value: unknown) => Boolean(value));
    vi.unstubAllEnvs();
  });

  it("reports configuration only when token and base url are both present", async () => {
    const { isMattermostConfigured } = await import("./setup-core.js");

    expect(
      isMattermostConfigured({
        botToken: "bot-token",
        baseUrl: "https://chat.example.com",
        config: {},
      } as never),
    ).toBe(true);

    expect(
      isMattermostConfigured({
        botToken: "",
        baseUrl: "https://chat.example.com",
        config: { botToken: "secret-ref" },
      } as never),
    ).toBe(true);

    expect(
      isMattermostConfigured({
        botToken: "",
        baseUrl: "",
        config: {},
      } as never),
    ).toBe(false);
  });

  it("resolves accounts with unresolved secret refs allowed", async () => {
    resolveMattermostAccount.mockReturnValue({ accountId: "default" });

    const { resolveMattermostAccountWithSecrets } = await import("./setup-core.js");
    const cfg = { channels: { mattermost: {} } };

    expect(resolveMattermostAccountWithSecrets(cfg as never, "default")).toEqual({
      accountId: "default",
    });
    expect(resolveMattermostAccount).toHaveBeenCalledWith({
      cfg,
      accountId: "default",
      allowUnresolvedSecretRef: true,
    });
  });

  it("validates env and explicit credential requirements", async () => {
    const { mattermostSetupAdapter } = await import("./setup-core.js");
    const validateInput = mattermostSetupAdapter.validateInput;
    expect(validateInput).toBeTypeOf("function");

    expect(
      validateInput!({
        accountId: "secondary",
        input: { useEnv: true },
      } as never),
    ).toBe("Mattermost env vars can only be used for the default account.");

    normalizeMattermostBaseUrl.mockReturnValue(undefined);
    expect(
      validateInput!({
        accountId: DEFAULT_ACCOUNT_ID,
        input: { useEnv: false, botToken: "tok", httpUrl: "not-a-url" },
      } as never),
    ).toBe("Mattermost requires --bot-token and --http-url (or --use-env).");

    normalizeMattermostBaseUrl.mockReturnValue("https://chat.example.com");
    expect(
      validateInput!({
        accountId: DEFAULT_ACCOUNT_ID,
        input: { useEnv: false, botToken: "tok", httpUrl: "https://chat.example.com" },
      } as never),
    ).toBeNull();
  });

  it("applies normalized config for default and named accounts", async () => {
    normalizeMattermostBaseUrl.mockReturnValue("https://chat.example.com");
    const { mattermostSetupAdapter } = await import("./setup-core.js");
    const applyAccountConfig = mattermostSetupAdapter.applyAccountConfig;
    expect(applyAccountConfig).toBeTypeOf("function");

    expect(
      applyAccountConfig!({
        cfg: { channels: { mattermost: {} } },
        accountId: DEFAULT_ACCOUNT_ID,
        input: {
          name: "Default",
          botToken: "tok",
          httpUrl: "https://chat.example.com",
        },
      } as never),
    ).toEqual({
      channels: {
        mattermost: {
          enabled: true,
          name: "Default",
          botToken: "tok",
          baseUrl: "https://chat.example.com",
        },
      },
    });

    expect(
      applyAccountConfig!({
        cfg: {
          channels: {
            mattermost: {
              name: "Legacy",
            },
          },
        },
        accountId: "Work Team",
        input: {
          name: "Work",
          botToken: "tok2",
          httpUrl: "https://chat.example.com",
        },
      } as never),
    ).toMatchObject({
      channels: {
        mattermost: {
          accounts: {
            default: { name: "Legacy" },
            "work-team": {
              enabled: true,
              name: "Work",
              botToken: "tok2",
              baseUrl: "https://chat.example.com",
            },
          },
        },
      },
    });
  });

  it("skips slash callback registration in setup-only mode", () => {
    const registerHttpRoute = vi.fn();

    plugin.register(createApi("setup-only", registerHttpRoute));

    expect(registerHttpRoute).not.toHaveBeenCalled();
  });

  it("registers slash callback routes in full mode", () => {
    const registerHttpRoute = vi.fn();

    plugin.register(createApi("full", registerHttpRoute));

    expect(registerHttpRoute).toHaveBeenCalledTimes(1);
    expect(registerHttpRoute).toHaveBeenCalledWith(
      expect.objectContaining({
        path: "/api/channels/mattermost/command",
        auth: "plugin",
      }),
    );
  });

  it.each(["https://chat.example.com", "https://chat.example.test"])(
    "treats secret-ref tokens plus base url as configured: %s",
    async (baseUrl) => {
      const configured = await mattermostSetupWizard.status.resolveConfigured({
        cfg: {
          channels: {
            mattermost: {
              baseUrl,
              botToken: {
                source: "env",
                provider: "default",
                id: "MATTERMOST_BOT_TOKEN",
              },
            },
          },
        } as OpenClawConfig,
      });

      expect(configured).toBe(true);
    },
  );

  it("shows intro note only when the target account is not configured", () => {
    expect(
      mattermostSetupWizard.introNote?.shouldShow?.({
        cfg: {
          channels: {
            mattermost: {},
          },
        } as OpenClawConfig,
        accountId: "default",
      } as never),
    ).toBe(true);

    expect(
      mattermostSetupWizard.introNote?.shouldShow?.({
        cfg: {
          channels: {
            mattermost: {
              baseUrl: "https://chat.example.com",
              botToken: {
                source: "env",
                provider: "default",
                id: "MATTERMOST_BOT_TOKEN",
              },
            },
          },
        } as OpenClawConfig,
        accountId: "default",
      } as never),
    ).toBe(false);
  });

  it("offers env shortcut only for the default account when env is present and config is empty", () => {
    vi.stubEnv("MATTERMOST_BOT_TOKEN", "bot-token");
    vi.stubEnv("MATTERMOST_URL", "https://chat.example.com");

    expect(
      mattermostSetupWizard.envShortcut?.isAvailable?.({
        cfg: { channels: { mattermost: {} } } as OpenClawConfig,
        accountId: "default",
      } as never),
    ).toBe(true);

    expect(
      mattermostSetupWizard.envShortcut?.isAvailable?.({
        cfg: { channels: { mattermost: {} } } as OpenClawConfig,
        accountId: "work",
      } as never),
    ).toBe(false);
  });

  it("keeps env shortcut as a no-op patch for the selected account", () => {
    expect(
      mattermostSetupWizard.envShortcut?.apply?.({
        cfg: { channels: { mattermost: { enabled: false } } } as OpenClawConfig,
        accountId: "default",
      } as never),
    ).toEqual({
      channels: {
        mattermost: {
          enabled: true,
        },
      },
    });
  });
});
