import { randomUUID } from 'node:crypto';

import { ConnectedAccountProvider } from 'twenty-shared/types';

import { ConnectedAccountEntity } from 'src/engine/metadata-modules/connected-account/entities/connected-account.entity';

import { gmailMessage } from 'test/integration/google/mocks/gmail-message.util';
import { setupGoogleMock } from 'test/integration/google/mocks/setup-google-mock.util';
import { connectMessagingAccount } from 'test/integration/utils/connect-messaging-account.util';
import { createCalendarEvent } from 'test/integration/utils/create-calendar-event.util';
import { findImportedCalendarEventTitles } from 'test/integration/utils/find-imported-records.util';
import { findRecordNodesByFilter } from 'test/integration/utils/find-records-by-filter.util';
import { getCoreRepository } from 'test/integration/utils/get-core-repository.util';
import { runMessageChannelSync } from 'test/integration/utils/run-message-channel-sync.util';
import { sendEmail } from 'test/integration/utils/send-email.util';

const HANDLE = 'gmail-outbound@apple.dev';
const ALIAS = 'gmail-outbound-alias@apple.dev';
const RECIPIENTS = {
  to: 'to-recipient@example.com',
  cc: 'cc-recipient@example.com',
  bcc: 'bcc-recipient@example.com',
};
const PARENT_MESSAGE = gmailMessage({
  id: 'gmail-parent',
  threadId: 'gmail-parent-thread',
  to: HANDLE,
});
const DRAFT_SUBJECT = `Gmail draft ${randomUUID()}`;
const DRAFT_MESSAGE = gmailMessage({
  id: 'gmail-draft-message',
  threadId: 'gmail-draft-thread',
  from: HANDLE,
  to: RECIPIENTS.to,
  labelIds: ['DRAFT'],
  payload: {
    mimeType: 'text/plain',
    headers: [
      { name: 'From', value: HANDLE },
      { name: 'To', value: RECIPIENTS.to },
      { name: 'Cc', value: RECIPIENTS.cc },
      { name: 'Bcc', value: RECIPIENTS.bcc },
      { name: 'Subject', value: DRAFT_SUBJECT },
      { name: 'Message-ID', value: '<gmail-draft@example.com>' },
      { name: 'Date', value: 'Wed, 15 Nov 2023 00:00:00 +0000' },
    ],
    body: {
      data: Buffer.from('Gmail draft body').toString('base64'),
      size: 16,
    },
  },
});

describe('Gmail outbound messaging and calendar creation (integration)', () => {
  const google = setupGoogleMock({
    handle: HANDLE,
    aliases: [ALIAS],
    inbox: [PARENT_MESSAGE, DRAFT_MESSAGE],
  });

  let channel: Awaited<ReturnType<typeof connectMessagingAccount>>;

  beforeAll(async () => {
    channel = await connectMessagingAccount({
      provider: ConnectedAccountProvider.GOOGLE,
      handle: HANDLE,
    });
    await runMessageChannelSync(channel.channelId);
  }, 60000);

  afterAll(async () => {
    await channel?.cleanup().catch(() => undefined);
  });

  it('sends a reply with recipients and RFC 5322 threading headers', async () => {
    const subject = `Gmail outbound ${randomUUID()}`;

    const result = await sendEmail({
      connectedAccountId: channel.connectedAccountId,
      to: RECIPIENTS.to,
      cc: RECIPIENTS.cc,
      bcc: RECIPIENTS.bcc,
      subject,
      body: '<p>Gmail reply body</p>',
      inReplyTo: '<gmail-parent@example.com>',
    });

    expect(result).toMatchObject({ success: true });
    expect(google.sentMessages).toHaveLength(1);

    const [{ raw, threadId }] = google.sentMessages;

    expect(threadId).toBe(PARENT_MESSAGE.threadId);
    expect(raw).toContain(`To: ${RECIPIENTS.to}`);
    expect(raw).toContain(`Cc: ${RECIPIENTS.cc}`);
    expect(raw).toContain(`Bcc: ${RECIPIENTS.bcc}`);
    expect(raw).toContain(`Subject: ${subject}`);
    expect(raw).toContain('In-Reply-To: <gmail-parent@example.com>');
    expect(raw).toContain('References: <gmail-parent@example.com>');

    const [message] = await findRecordNodesByFilter<{
      id: string;
      isDraft: boolean;
      messageThreadId: string | null;
      text: string | null;
    }>('message', 'messages', 'id isDraft messageThreadId text', {
      subject: { eq: subject },
    });

    expect(message).toMatchObject({
      isDraft: false,
      messageThreadId: expect.any(String),
      text: 'Gmail reply body',
    });
    expect(
      await findRecordNodesByFilter<{
        messageChannelId: string;
      }>(
        'messageChannelMessageAssociation',
        'messageChannelMessageAssociations',
        'messageChannelId',
        { messageId: { eq: message.id } },
      ),
    ).toEqual([
      expect.objectContaining({ messageChannelId: channel.channelId }),
    ]);
    expect(
      await findRecordNodesByFilter<{ handle: string; role: string }>(
        'messageParticipant',
        'messageParticipants',
        'handle role',
        { messageId: { eq: message.id } },
      ),
    ).toEqual(
      expect.arrayContaining([
        expect.objectContaining({ handle: RECIPIENTS.to, role: 'TO' }),
        expect.objectContaining({ handle: RECIPIENTS.cc, role: 'CC' }),
        expect.objectContaining({ handle: RECIPIENTS.bcc, role: 'BCC' }),
      ]),
    );
  }, 60000);

  it('sends a synced Gmail draft through GraphQL and replaces it in the database', async () => {
    const [draft] = await findRecordNodesByFilter<{
      id: string;
      isDraft: boolean;
    }>('message', 'messages', 'id isDraft', {
      subject: { eq: DRAFT_SUBJECT },
    });

    expect(draft).toMatchObject({
      isDraft: true,
    });
    expect(
      await findRecordNodesByFilter<{
        messageChannelId: string;
        messageExternalId: string;
      }>(
        'messageChannelMessageAssociation',
        'messageChannelMessageAssociations',
        'messageChannelId messageExternalId',
        { messageId: { eq: draft.id } },
      ),
    ).toEqual([
      expect.objectContaining({
        messageChannelId: channel.channelId,
        messageExternalId: DRAFT_MESSAGE.id,
      }),
    ]);
    expect(
      await findRecordNodesByFilter<{ handle: string; role: string }>(
        'messageParticipant',
        'messageParticipants',
        'handle role',
        { messageId: { eq: draft.id } },
      ),
    ).toEqual(
      expect.arrayContaining([
        expect.objectContaining({ handle: RECIPIENTS.to, role: 'TO' }),
        expect.objectContaining({ handle: RECIPIENTS.cc, role: 'CC' }),
        expect.objectContaining({ handle: RECIPIENTS.bcc, role: 'BCC' }),
      ]),
    );

    const result = await sendEmail({
      connectedAccountId: channel.connectedAccountId,
      to: RECIPIENTS.to,
      cc: RECIPIENTS.cc,
      bcc: RECIPIENTS.bcc,
      subject: DRAFT_SUBJECT,
      body: 'Gmail draft body',
      draftMessageId: draft.id,
    });

    expect(result).toMatchObject({ success: true });
    const [sentMessage] = await findRecordNodesByFilter<{
      id: string;
      isDraft: boolean;
      messageThreadId: string | null;
      text: string | null;
    }>('message', 'messages', 'id isDraft messageThreadId text', {
      subject: { eq: DRAFT_SUBJECT },
    });

    expect(sentMessage).toEqual(
      expect.objectContaining({
        isDraft: false,
        messageThreadId: expect.any(String),
        text: 'Gmail draft body',
      }),
    );
    const [association] = await findRecordNodesByFilter<{
      messageChannelId: string;
      messageExternalId: string;
    }>(
      'messageChannelMessageAssociation',
      'messageChannelMessageAssociations',
      'messageChannelId messageExternalId',
      { messageId: { eq: sentMessage.id } },
    );

    expect(association.messageChannelId).toBe(channel.channelId);
    expect(association.messageExternalId).not.toBe(DRAFT_MESSAGE.id);
    expect(result.messageThreadId).toEqual(expect.any(String));
  }, 60000);

  it('imports the verified aliases during sync and sends from one of them', async () => {
    const connectedAccount = await getCoreRepository<ConnectedAccountEntity>(
      ConnectedAccountEntity,
    ).findOneByOrFail({ id: channel.connectedAccountId });

    expect(connectedAccount.handleAliases).toEqual([ALIAS]);

    const subject = `Gmail alias outbound ${randomUUID()}`;

    const result = await sendEmail({
      connectedAccountId: channel.connectedAccountId,
      fromHandle: ALIAS,
      to: RECIPIENTS.to,
      subject,
      body: '<p>Gmail alias body</p>',
    });

    expect(result).toMatchObject({ success: true });

    const [{ raw }] = google.sentMessages.slice(-1);

    expect(raw).toContain(`<${ALIAS}>`);
  }, 60000);

  it('refuses to send from an address the account has not verified', async () => {
    const sentMessageCount = google.sentMessages.length;

    const result = await sendEmail({
      connectedAccountId: channel.connectedAccountId,
      fromHandle: 'not-my-alias@apple.dev',
      to: RECIPIENTS.to,
      subject: `Gmail rejected sender ${randomUUID()}`,
      body: '<p>Gmail rejected body</p>',
    });

    expect(result).toMatchObject({
      success: false,
      error: expect.stringContaining(
        'is not the connected account handle nor one of its verified aliases',
      ),
    });
    expect(google.sentMessages).toHaveLength(sentMessageCount);
  }, 60000);

  it('creates and persists a calendar event with invitations and conferencing', async () => {
    const title = `Google calendar outbound ${randomUUID()}`;

    const result = await createCalendarEvent({
      connectedAccountId: channel.connectedAccountId,
      title,
      description: 'Planning meeting',
      location: 'Room 101',
      startsAt: '2026-08-13T09:00:00Z',
      endsAt: '2026-08-13T10:00:00Z',
      timeZone: 'UTC',
      attendees: RECIPIENTS.to,
      sendInvitations: true,
      addConferencing: true,
    });

    expect(result).toMatchObject({ success: true });
    expect(result.iCalUid).toContain('@google.com');
    expect(google.createdCalendarEvents).toEqual([
      expect.objectContaining({
        summary: title,
        attendees: [expect.objectContaining({ email: RECIPIENTS.to })],
        conferenceData: expect.objectContaining({
          createRequest: expect.any(Object),
        }),
      }),
    ]);
    expect(await findImportedCalendarEventTitles([title])).toEqual([title]);
  }, 60000);
});