/**
 * Tests for setup-surface.ts helpers.
 *
 * Tests cover:
 * - promptToken helper
 * - promptUsername helper
 * - promptClientId helper
 * - promptChannelName helper
 * - promptRefreshTokenSetup helper
 * - configureWithEnvToken helper
 * - setTwitchAccount config updates
 */

import { afterEach, beforeEach, describe, expect, it, vi } from "vitest";
import type { WizardPrompter } from "../api.js";
import {
  configureWithEnvToken,
  promptChannelName,
  promptClientId,
  promptRefreshTokenSetup,
  promptToken,
  promptUsername,
  setTwitchAccount,
  twitchSetupPlugin,
  twitchSetupWizard,
} from "./setup-surface.js";
import type { TwitchAccountConfig } from "./types.js";

// Mock the helpers we're testing
const mockPromptText = vi.fn();
const mockPromptConfirm = vi.fn();
const mockPromptNote = vi.fn();
const mockPrompter: WizardPrompter = {
  text: mockPromptText,
  confirm: mockPromptConfirm,
  note: mockPromptNote,
} as unknown as WizardPrompter;
const originalEnvToken = process.env.OPENCLAW_TWITCH_ACCESS_TOKEN;

const mockAccount: TwitchAccountConfig = {
  username: "testbot",
  accessToken: "oauth:test123",
  clientId: "test-client-id",
  channel: "#testchannel",
};

describe("setup surface helpers", () => {
  beforeEach(() => {
    vi.clearAllMocks();
  });

  afterEach(() => {
    if (originalEnvToken === undefined) {
      delete process.env.OPENCLAW_TWITCH_ACCESS_TOKEN;
    } else {
      process.env.OPENCLAW_TWITCH_ACCESS_TOKEN = originalEnvToken;
    }
    // Don't restoreAllMocks as it breaks module-level mocks
  });

  describe("promptToken", () => {
    it("should return existing token when user confirms to keep it", async () => {
      mockPromptConfirm.mockResolvedValue(true);

      const result = await promptToken(mockPrompter, mockAccount, undefined);

      expect(result).toBe("oauth:test123");
      expect(mockPromptConfirm).toHaveBeenCalledWith({
        message: "Access token already configured. Keep it?",
        initialValue: true,
      });
      expect(mockPromptText).not.toHaveBeenCalled();
    });

    it("should validate token format", async () => {
      // Set up mocks - user doesn't want to keep existing token
      mockPromptConfirm.mockResolvedValueOnce(false);

      // Track how many times promptText is called
      let promptTextCallCount = 0;
      let capturedValidate: ((value: string) => string | undefined) | undefined;

      mockPromptText.mockImplementationOnce((_args) => {
        promptTextCallCount++;
        // Capture the validate function from the first argument
        if (_args?.validate) {
          capturedValidate = _args.validate;
        }
        return Promise.resolve("oauth:test123");
      });

      // Call promptToken
      const result = await promptToken(mockPrompter, mockAccount, undefined);

      // Verify promptText was called
      expect(promptTextCallCount).toBe(1);
      expect(result).toBe("oauth:test123");

      // Test the validate function
      if (!capturedValidate) {
        throw new Error("promptToken validate callback was not captured");
      }
      expect(capturedValidate("")).toBe("Required");
      expect(capturedValidate("notoauth")).toBe("Token should start with 'oauth:'");
      expect(capturedValidate("oauth:goodtoken")).toBeUndefined();
    });
  });

  describe("promptUsername", () => {
    it("should prompt for username with validation", async () => {
      mockPromptText.mockResolvedValue("mybot");

      const result = await promptUsername(mockPrompter, null);

      expect(result).toBe("mybot");
      const promptArgs = mockPromptText.mock.calls[0]?.[0];
      expect(promptArgs?.message).toBe("Twitch bot username");
      expect(promptArgs?.initialValue).toBe("");
      expect(promptArgs?.validate?.("")).toBe("Required");
      expect(promptArgs?.validate?.("mybot")).toBeUndefined();
    });
  });

  describe("promptClientId", () => {
    it("should prompt for client ID with validation", async () => {
      mockPromptText.mockResolvedValue("abc123xyz");

      const result = await promptClientId(mockPrompter, null);

      expect(result).toBe("abc123xyz");
      const promptArgs = mockPromptText.mock.calls[0]?.[0];
      expect(promptArgs?.message).toBe("Twitch Client ID");
      expect(promptArgs?.initialValue).toBe("");
      expect(promptArgs?.validate?.("")).toBe("Required");
      expect(promptArgs?.validate?.("abc123xyz")).toBeUndefined();
    });
  });

  describe("promptChannelName", () => {
    it("should require a non-empty channel name", async () => {
      mockPromptText.mockResolvedValue("");

      await promptChannelName(mockPrompter, null);

      const { validate } = mockPromptText.mock.calls[0]?.[0] ?? {};
      expect(validate?.("")).toBe("Required");
      expect(validate?.("   ")).toBe("Required");
      expect(validate?.("#chan")).toBeUndefined();
    });
  });

  describe("promptRefreshTokenSetup", () => {
    it("should return empty object when user declines", async () => {
      mockPromptConfirm.mockResolvedValue(false);

      const result = await promptRefreshTokenSetup(mockPrompter, mockAccount);

      expect(result).toStrictEqual({});
      expect(mockPromptConfirm).toHaveBeenCalledWith({
        message: "Enable automatic token refresh (requires client secret and refresh token)?",
        initialValue: false,
      });
    });

    it("should prompt for credentials when user accepts", async () => {
      mockPromptConfirm
        .mockResolvedValueOnce(true) // First call: useRefresh
        .mockResolvedValueOnce("secret123") // clientSecret
        .mockResolvedValueOnce("refresh123"); // refreshToken

      mockPromptText.mockResolvedValueOnce("secret123").mockResolvedValueOnce("refresh123");

      const result = await promptRefreshTokenSetup(mockPrompter, null);

      expect(result).toEqual({
        clientSecret: "secret123",
        refreshToken: "refresh123",
      });
    });
  });

  describe("configureWithEnvToken", () => {
    it("should prompt for username and clientId when using env token", async () => {
      // Reset and set up mocks - user accepts env token
      mockPromptConfirm.mockReset().mockResolvedValue(true as never);

      // Set up mocks for username and clientId prompts
      mockPromptText
        .mockReset()
        .mockResolvedValueOnce("testbot" as never)
        .mockResolvedValueOnce("test-client-id" as never);

      const result = await configureWithEnvToken(
        {} as Parameters<typeof configureWithEnvToken>[0],
        mockPrompter,
        null,
        "oauth:fromenv",
        false,
        {} as Parameters<typeof configureWithEnvToken>[5],
      );

      // Should return config with username and clientId
      if (!result) {
        throw new Error("expected Twitch env-token setup result");
      }
      const defaultAccount = result.cfg.channels?.twitch?.accounts?.default as
        | { username?: string; clientId?: string }
        | undefined;
      expect(defaultAccount?.username).toBe("testbot");
      expect(defaultAccount?.clientId).toBe("test-client-id");
    });

    it("skips env-token shortcut for non-default accounts", async () => {
      mockPromptConfirm.mockReset().mockResolvedValue(true as never);
      mockPromptText
        .mockReset()
        .mockResolvedValueOnce("secondary-bot" as never)
        .mockResolvedValueOnce("secondary-client" as never);

      const result = await configureWithEnvToken(
        {
          channels: {
            twitch: {
              defaultAccount: "secondary",
            },
          },
        } as Parameters<typeof configureWithEnvToken>[0],
        mockPrompter,
        null,
        "oauth:fromenv",
        false,
        {} as Parameters<typeof configureWithEnvToken>[5],
      );

      expect(result).toBeNull();
      expect(mockPromptConfirm).not.toHaveBeenCalled();
      expect(mockPromptText).not.toHaveBeenCalled();
    });
  });

  describe("defaultAccount setup resolution", () => {
    it("reports status for the configured default account", () => {
      const lines = twitchSetupWizard.status?.resolveStatusLines?.({
        cfg: {
          channels: {
            twitch: {
              defaultAccount: "secondary",
              accounts: {
                secondary: {
                  username: "secondary-bot",
                  accessToken: "oauth:secondary",
                  clientId: "secondary-client",
                  channel: "#secondary",
                },
              },
            },
          },
        },
      } as never);

      expect(lines).toEqual(["Twitch (secondary): configured"]);
    });

    it("reports status for the requested account override", () => {
      const lines = twitchSetupWizard.status?.resolveStatusLines?.({
        cfg: {
          channels: {
            twitch: {
              accounts: {
                default: {
                  username: "default-bot",
                  accessToken: "oauth:default",
                  clientId: "default-client",
                  channel: "#default",
                },
                secondary: {
                  username: "secondary-bot",
                  accessToken: "oauth:secondary",
                  clientId: "secondary-client",
                  channel: "#secondary",
                },
              },
            },
          },
        },
        accountId: "secondary",
        configured: true,
      } as never);

      expect(lines).toEqual(["Twitch (secondary): configured"]);
    });

    it("reports env-token default account setup as configured", async () => {
      process.env.OPENCLAW_TWITCH_ACCESS_TOKEN = "oauth:fromenv";

      const cfg = {
        channels: {
          twitch: {
            accounts: {
              default: {
                username: "env-bot",
                accessToken: "",
                clientId: "env-client",
                channel: "#env",
              },
            },
          },
        },
      } as Parameters<NonNullable<typeof twitchSetupWizard.status>["resolveConfigured"]>[0]["cfg"];

      expect(twitchSetupWizard.status?.resolveConfigured({ cfg })).toBe(true);
      const account = twitchSetupPlugin.config.resolveAccount(cfg, "default");
      expect(await twitchSetupPlugin.config.isConfigured?.(account, cfg)).toBe(true);
    });
  });

  describe("setup wizard account routing", () => {
    type FinalizeArgs = Parameters<NonNullable<typeof twitchSetupWizard.finalize>>[0];

    async function finalizeTwitchSetupForAccount(cfg: FinalizeArgs["cfg"]) {
      return await twitchSetupWizard.finalize?.({
        cfg,
        accountId: "secondary",
        credentialValues: {},
        runtime: {} as FinalizeArgs["runtime"],
        prompter: mockPrompter,
        options: {},
        forceAllowFrom: false,
      });
    }

    it("rejects reserved account ids before using them as config keys", () => {
      expect(() =>
        setTwitchAccount(
          {} as Parameters<typeof setTwitchAccount>[0],
          {
            username: "reserved-bot",
            accessToken: "oauth:reserved",
            clientId: "reserved-client",
            channel: "#reserved",
          },
          "__proto__",
        ),
      ).toThrow("Invalid Twitch account id");

      expect(Object.prototype).not.toHaveProperty("username");
    });

    it("rejects reserved account ids before env-token writes", async () => {
      await expect(
        configureWithEnvToken(
          {} as Parameters<typeof configureWithEnvToken>[0],
          mockPrompter,
          null,
          "oauth:fromenv",
          false,
          {} as Parameters<typeof configureWithEnvToken>[5],
          "__proto__",
        ),
      ).rejects.toThrow("Invalid Twitch account id");

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

    it("normalizes account ids before rendering status lines", () => {
      expect(
        twitchSetupWizard.status?.resolveStatusLines?.({
          cfg: {},
          accountId: "Alerts\r\n\u001b[31m",
          configured: false,
        } as never),
      ).toEqual(["Twitch (alerts-31m): needs username, token, and clientId"]);
    });

    it("reports account-scoped DM policy config keys", () => {
      expect(
        twitchSetupWizard.dmPolicy?.resolveConfigKeys?.(
          {
            channels: {
              twitch: {
                defaultAccount: "secondary",
              },
            },
          } as Parameters<
            NonNullable<NonNullable<typeof twitchSetupWizard.dmPolicy>["resolveConfigKeys"]>
          >[0],
          undefined,
        ),
      ).toEqual({
        policyKey: "channels.twitch.accounts.secondary.allowedRoles",
        allowFromKey: "channels.twitch.accounts.secondary.allowFrom",
      });

      expect(twitchSetupWizard.dmPolicy?.resolveConfigKeys?.({} as never, "alerts")).toEqual({
        policyKey: "channels.twitch.accounts.alerts.allowedRoles",
        allowFromKey: "channels.twitch.accounts.alerts.allowFrom",
      });
    });

    it("writes to the requested account when defaultAccount is not created yet", async () => {
      mockPromptText
        .mockReset()
        .mockResolvedValueOnce("secondary-bot" as never)
        .mockResolvedValueOnce("oauth:secondary" as never)
        .mockResolvedValueOnce("secondary-client" as never)
        .mockResolvedValueOnce("#secondary" as never);
      mockPromptConfirm.mockReset().mockResolvedValue(false as never);

      const result = await finalizeTwitchSetupForAccount({
        channels: {
          twitch: {
            defaultAccount: "secondary",
            accounts: {
              default: {
                username: "default-bot",
                accessToken: "oauth:default",
                clientId: "default-client",
                channel: "#default",
              },
            },
          },
        },
      } as FinalizeArgs["cfg"]);

      const twitch = result?.cfg?.channels?.twitch;
      expect(twitch?.accounts?.secondary?.username).toBe("secondary-bot");
      expect(twitch?.accounts?.secondary?.accessToken).toBe("oauth:secondary");
      expect(twitch?.accounts?.default?.username).toBe("default-bot");
    });

    it("persists a token instead of using env-token shortcut for non-default finalize", async () => {
      process.env.OPENCLAW_TWITCH_ACCESS_TOKEN = "oauth:fromenv";
      mockPromptText
        .mockReset()
        .mockResolvedValueOnce("secondary-bot" as never)
        .mockResolvedValueOnce("oauth:persisted" as never)
        .mockResolvedValueOnce("secondary-client" as never)
        .mockResolvedValueOnce("#secondary" as never);
      mockPromptConfirm.mockReset().mockResolvedValue(false as never);

      const result = await finalizeTwitchSetupForAccount({
        channels: {
          twitch: {
            accounts: {},
          },
        },
      } as FinalizeArgs["cfg"]);

      const twitch = result?.cfg?.channels?.twitch;
      expect(twitch?.accounts?.secondary?.accessToken).toBe("oauth:persisted");
      expect(mockPromptConfirm).toHaveBeenCalledTimes(1);
      expect(mockPromptConfirm).toHaveBeenCalledWith({
        message: "Enable automatic token refresh (requires client secret and refresh token)?",
        initialValue: false,
      });
    });
  });

  describe("setup-only plugin config", () => {
    it("lists all configured Twitch accounts", () => {
      const cfg = {
        channels: {
          twitch: {
            defaultAccount: "secondary",
            accounts: {
              default: {
                username: "default-bot",
                accessToken: "oauth:default",
                clientId: "default-client",
                channel: "#default",
              },
              secondary: {
                username: "secondary-bot",
                accessToken: "oauth:secondary",
                clientId: "secondary-client",
                channel: "#secondary",
              },
            },
          },
        },
      } as Parameters<typeof twitchSetupPlugin.config.listAccountIds>[0];

      expect(twitchSetupPlugin.config.listAccountIds(cfg)).toEqual(["default", "secondary"]);
      expect(twitchSetupPlugin.config.defaultAccountId?.(cfg)).toBe("secondary");
    });

    it("normalizes exposed account ids", () => {
      const cfg = {
        channels: {
          twitch: {
            accounts: {
              Secondary: {
                username: "secondary-bot",
                accessToken: "oauth:secondary",
                clientId: "secondary-client",
                channel: "#secondary",
              },
            },
          },
        },
      } as Parameters<typeof twitchSetupPlugin.config.listAccountIds>[0];

      expect(twitchSetupPlugin.config.listAccountIds(cfg)).toEqual(["secondary"]);
      expect(twitchSetupPlugin.config.defaultAccountId?.(cfg)).toBe("secondary");
      expect(twitchSetupPlugin.config.resolveAccount(cfg, "SECONDARY\r\n").accountId).toBe(
        "secondary",
      );
      expect(twitchSetupPlugin.config.resolveAccount(cfg, "SECONDARY\r\n").username).toBe(
        "secondary-bot",
      );
    });
  });
});