import { ForbiddenException } from '@nestjs/common';
import { vi } from 'vitest';
import type { AuditService } from '../audit/audit.service.js';
import type { AppConfigService } from '../config/app-config.service.js';
import type { AuthUser } from '../auth/auth.types.js';
import type { PermissionsService } from '../permissions/permissions.service.js';
import type { SapClientService } from '../sap/sap-client.service.js';
import { SlProxyService } from './sl-proxy.service.js';

const user: AuthUser = { webUser: 'ana', empId: 7, firstName: 'Ana', lastName: 'P' };

describe('SlProxyService: auditoría', () => {
  let request: ReturnType<typeof vi.fn>;
  let record: ReturnType<typeof vi.fn>;
  let paths: string[];
  let service: SlProxyService;

  beforeEach(() => {
    request = vi.fn(async () => ({ data: { DocEntry: 316, DocNum: 12 } }));
    record = vi.fn(async () => undefined);
    paths = ['*'];
    service = new SlProxyService(
      { request } as unknown as SapClientService,
      { getPaths: async () => paths } as unknown as PermissionsService,
      { record } as unknown as AuditService,
    );
  });

  it('crear queda registrado con la clave creada y solo los nombres de los campos', async () => {
    await service.create(user, 'Orders', { CardCode: 'C1', Comments: 'privado', DocumentLines: [{ ItemCode: 'A' }, { ItemCode: 'B' }] }, {}, '10.0.0.5');
    expect(record).toHaveBeenCalledWith({
      action: 'sl_create',
      webUser: 'ana',
      ip: '10.0.0.5',
      resource: 'Orders',
      key: '316',
      detail: { fields: ['CardCode', 'Comments'], collections: { DocumentLines: 2 } },
    });
    expect(JSON.stringify(record.mock.calls)).not.toContain('privado');
  });

  it('modificar queda registrado con su clave y los campos tocados', async () => {
    request.mockResolvedValueOnce({ data: undefined });
    await service.update(user, 'BusinessPartners', 'C100', { Phone1: '123' }, {}, '10.0.0.5');
    expect(record).toHaveBeenCalledWith({ action: 'sl_update', webUser: 'ana', ip: '10.0.0.5', resource: 'BusinessPartners', key: 'C100', detail: { fields: ['Phone1'] } });
  });

  it('si SAP rechaza la operación queda registrada como error, con el mensaje, y el error sigue su camino', async () => {
    request.mockRejectedValueOnce(new Error('1250000110 - RUT is missing'));
    await expect(service.create(user, 'BusinessPartners', { CardCode: 'C9' }, {}, '10.0.0.5')).rejects.toThrow('RUT is missing');
    expect(record).toHaveBeenCalledWith({
      action: 'sl_create',
      webUser: 'ana',
      ip: '10.0.0.5',
      resource: 'BusinessPartners',
      outcome: 'error',
      detail: { fields: ['CardCode'], error: '1250000110 - RUT is missing' },
    });
    request.mockRejectedValueOnce(new Error('412'));
    await expect(service.update(user, 'Orders', '5', { Comments: 'x' }, {}, '10.0.0.5')).rejects.toThrow('412');
    expect(record).toHaveBeenLastCalledWith(expect.objectContaining({ action: 'sl_update', key: '5', outcome: 'error' }));
  });

  it('un usuario sin permiso de escritura queda registrado como denegado y no llega a SAP', async () => {
    paths = ['/ventas/ordenes'];
    await expect(service.create(user, 'Invoices', { CardCode: 'C1' }, {}, '10.0.0.5')).rejects.toBeInstanceOf(ForbiddenException);
    expect(request).not.toHaveBeenCalled();
    expect(record).toHaveBeenCalledWith({ action: 'sl_denied', webUser: 'ana', ip: '10.0.0.5', resource: 'Invoices', outcome: 'denied', detail: { method: 'POST' } });
  });

  it('las acciones de solo consulta (series de numeración) no se auditan', async () => {
    request.mockResolvedValueOnce({ data: { value: [] } });
    await service.create(user, 'SeriesService_GetDocumentSeries', { DocumentTypeParams: { Document: '17' } }, {}, '10.0.0.5');
    expect(record).not.toHaveBeenCalled();
  });

  it('las lecturas no se auditan', async () => {
    request.mockResolvedValueOnce({ data: { value: [] } });
    await service.list(user, 'Orders', {}, {});
    request.mockResolvedValueOnce({ data: {} });
    await service.get(user, 'Orders', '5', {});
    expect(record).not.toHaveBeenCalled();
  });

  describe('acciones sobre un registro (anular un pago)', () => {
    it('anular un pago llama a Entidad(clave)/Cancel y queda registrado', async () => {
      request.mockResolvedValueOnce({ data: undefined });
      await service.action(user, 'IncomingPayments', '512', 'Cancel', '10.0.0.5');
      expect(request).toHaveBeenCalledWith(expect.objectContaining({ method: 'POST', path: 'IncomingPayments(512)/Cancel' }));
      expect(record).toHaveBeenCalledWith({ action: 'sl_action', webUser: 'ana', ip: '10.0.0.5', resource: 'IncomingPayments', key: '512', detail: { action: 'Cancel' } });
    });

    it('una acción que no está en la lista blanca del recurso no llega a SAP', async () => {
      await expect(service.action(user, 'IncomingPayments', '512', 'Delete', '10.0.0.5')).rejects.toThrow(/no disponible/i);
      await expect(service.action(user, 'Orders', '5', 'Cancel', '10.0.0.5')).rejects.toThrow(/no disponible/i);
      expect(request).not.toHaveBeenCalled();
    });

    it('sin permiso de escritura queda denegado y no llega a SAP', async () => {
      paths = ['/bancos/pagos-efectuados'];
      await expect(service.action(user, 'IncomingPayments', '512', 'Cancel', '10.0.0.5')).rejects.toBeInstanceOf(ForbiddenException);
      expect(request).not.toHaveBeenCalled();
      expect(record).toHaveBeenCalledWith(expect.objectContaining({ action: 'sl_denied', resource: 'IncomingPayments', outcome: 'denied' }));
    });

    it('si SAP rechaza la anulación queda registrada como error y el error sigue su camino', async () => {
      request.mockRejectedValueOnce(new Error('ya está anulado'));
      await expect(service.action(user, 'VendorPayments', '9', 'Cancel', '10.0.0.5')).rejects.toThrow('ya está anulado');
      expect(record).toHaveBeenCalledWith(expect.objectContaining({ action: 'sl_action', resource: 'VendorPayments', key: '9', outcome: 'error', detail: { action: 'Cancel', error: 'ya está anulado' } }));
    });

    it('la clave del registro se valida (solo números en los pagos)', async () => {
      await expect(service.action(user, 'IncomingPayments', "1);DROP", 'Cancel', '10.0.0.5')).rejects.toThrow();
      expect(request).not.toHaveBeenCalled();
    });
  });
});

describe('SlProxyService: modo solo lectura', () => {
  const make = (readOnly: boolean) => {
    const request = vi.fn(async () => ({ data: { value: [] } }));
    const record = vi.fn(async () => undefined);
    const service = new SlProxyService(
      { request } as unknown as SapClientService,
      { getPaths: async () => ['*'] } as unknown as PermissionsService,
      { record } as unknown as AuditService,
      { get: (k: string) => (k === 'SAPB1_SL_READ_ONLY' ? readOnly : undefined) } as unknown as AppConfigService,
    );
    return { service, request, record };
  };

  it('rechaza crear, modificar y las acciones sin llegar a SAP, y lo audita', async () => {
    const { service, request, record } = make(true);
    await expect(service.create(user, 'Orders', { CardCode: 'C1' }, {}, '10.0.0.5')).rejects.toThrow('solo lectura');
    await expect(service.update(user, 'Orders', '1', { Comments: 'x' }, {}, '10.0.0.5')).rejects.toThrow('solo lectura');
    await expect(service.action(user, 'IncomingPayments', '1', 'Cancel', '10.0.0.5')).rejects.toThrow('solo lectura');
    expect(request).not.toHaveBeenCalled();
    expect(record).toHaveBeenCalledWith(expect.objectContaining({ action: 'sl_denied', outcome: 'denied' }));
  });

  it('las consultas y las acciones de solo consulta (series) siguen funcionando', async () => {
    const { service, request } = make(true);
    await service.list(user, 'Orders', {}, {});
    await service.create(user, 'SeriesService_GetDocumentSeries', { DocumentTypeParams: { Document: '30' } }, {}, '10.0.0.5');
    expect(request).toHaveBeenCalledTimes(2);
  });

  it('sin el modo solo lectura todo sigue igual', async () => {
    const { service, request } = make(false);
    await service.create(user, 'Orders', { CardCode: 'C1' }, {}, '10.0.0.5');
    expect(request).toHaveBeenCalledTimes(1);
  });
});