import { describe, expect, it, vi } from "vitest";
import {
  createEmailImportAccountController,
  createImapFlowOptions,
  type EmailImportConfig,
  isEmailImportServiceRunning,
  startConfiguredEmailImportService,
  stopEmailImportService,
  validateEmailImportConfiguration,
} from "./emailImportService";

const baseConfig: EmailImportConfig = {
  userId: 2,
  emailAddress: "compta@example.org",
  password: "secret",
  host: "outlook.office365.com",
  port: 993,
};

describe("createImapFlowOptions", () => {
  it("transmet le jeton brut à ImapFlow pour une authentification OAuth2", () => {
    const options = createImapFlowOptions(
      { ...baseConfig, authMode: "oauth2" },
      "access-token-value",
    );

    expect(options.secure).toBe(true);
    expect(options.auth).toEqual({
      user: "compta@example.org",
      accessToken: "access-token-value",
    });
    expect(options.auth).not.toHaveProperty("pass");
    expect(options.tls?.rejectUnauthorized).toBe(true);
    expect(options.disableAutoIdle).toBe(true);
  });

  it("conserve le mot de passe uniquement pour le mode basique", () => {
    const options = createImapFlowOptions({ ...baseConfig, authMode: "basic" });

    expect(options.auth).toEqual({
      user: "compta@example.org",
      pass: "secret",
    });
    expect(options.auth).not.toHaveProperty("accessToken");
  });
});

describe("validateEmailImportConfiguration", () => {
  it("accepte une boîte OAuth2 configurée même lorsque la planification automatique est désactivée", () => {
    const error = validateEmailImportConfiguration({
      emailImportEnabled: 0,
      emailImportAddress: "compta@example.org",
      emailImportPassword: null,
      emailImportHost: "outlook.office365.com",
      emailImportPort: 993,
      emailImportSinceDate: null,
      emailImportAuthMode: "oauth2",
      azureTenantId: "tenant",
      azureClientId: "client",
      azureClientSecret: "secret",
    });

    expect(error).toBeNull();
  });

  it("refuse une boîte dont la configuration IMAP est incomplète", () => {
    const error = validateEmailImportConfiguration({
      emailImportEnabled: 0,
      emailImportAddress: "compta@example.org",
      emailImportPassword: null,
      emailImportHost: null,
      emailImportPort: 993,
      emailImportSinceDate: null,
      emailImportAuthMode: "oauth2",
      azureTenantId: "tenant",
      azureClientId: "client",
      azureClientSecret: "secret",
    });

    expect(error).toBe("Configuration IMAP incomplète");
  });
});

describe("startConfiguredEmailImportService", () => {
  it("ne crée aucune planification si le test IMAP préalable échoue", async () => {
    const userId = 901;
    stopEmailImportService(userId);

    const result = await startConfiguredEmailImportService(
      { ...baseConfig, userId, authMode: "basic" },
      5,
      async () => ({
        success: false,
        message: "Authentification IMAP refusée.",
      }),
    );

    expect(result).toEqual({
      success: false,
      message: "Authentification IMAP refusée.",
    });
    expect(isEmailImportServiceRunning(userId)).toBe(false);
  });

  it("démarre après un test IMAP concluant et exécute le contrôle initial", async () => {
    const userId = 902;
    const runEmailCheck = vi.fn(async () => undefined);

    try {
      const result = await startConfiguredEmailImportService(
        { ...baseConfig, userId, authMode: "basic" },
        5,
        async () => ({ success: true, message: "Connexion IMAP réussie." }),
        runEmailCheck,
      );

      expect(result).toEqual({
        success: true,
        message: "Service de réception e-mail démarré",
      });
      expect(isEmailImportServiceRunning(userId)).toBe(true);
      expect(runEmailCheck).toHaveBeenCalledWith(expect.objectContaining({ userId }));
    } finally {
      stopEmailImportService(userId);
    }
  });
});

describe("createEmailImportAccountController", () => {
  it("cible exclusivement le compte sélectionné par un administrateur", async () => {
    const start = vi.fn(async () => ({ success: true, message: "Service de réception e-mail démarré" }));
    const stop = vi.fn();
    const isRunning = vi.fn(() => true);
    const controller = createEmailImportAccountController({ start, stop, isRunning });

    await expect(controller.startAccount(42)).resolves.toEqual({
      success: true,
      message: "Service de réception e-mail démarré",
    });
    expect(start).toHaveBeenCalledWith(42);

    expect(controller.stopAccount(42)).toEqual({
      success: true,
      message: "Service de réception e-mail arrêté",
    });
    expect(stop).toHaveBeenCalledWith(42);
    expect(controller.accountStatus(42)).toEqual({ isRunning: true });
    expect(isRunning).toHaveBeenCalledWith(42);
  });
});